[DRE-commits] r2114 - in packages-wip: . libfastthread-ruby libfastthread-ruby/branches libfastthread-ruby/branches/upstream libfastthread-ruby/branches/upstream/current libfastthread-ruby/branches/upstream/current/ext libfastthread-ruby/branches/upstream/current/ext/fastthread libfastthread-ruby/branches/upstream/current/test

micah at alioth.debian.org micah at alioth.debian.org
Fri Dec 7 21:39:25 UTC 2007


Author: micah
Date: 2007-12-07 21:39:24 +0000 (Fri, 07 Dec 2007)
New Revision: 2114

Added:
   packages-wip/libfastthread-ruby/
   packages-wip/libfastthread-ruby/branches/
   packages-wip/libfastthread-ruby/branches/upstream/
   packages-wip/libfastthread-ruby/branches/upstream/current/
   packages-wip/libfastthread-ruby/branches/upstream/current/CHANGELOG
   packages-wip/libfastthread-ruby/branches/upstream/current/Manifest
   packages-wip/libfastthread-ruby/branches/upstream/current/ext/
   packages-wip/libfastthread-ruby/branches/upstream/current/ext/fastthread/
   packages-wip/libfastthread-ruby/branches/upstream/current/ext/fastthread/extconf.rb
   packages-wip/libfastthread-ruby/branches/upstream/current/ext/fastthread/fastthread.c
   packages-wip/libfastthread-ruby/branches/upstream/current/fastthread.gemspec
   packages-wip/libfastthread-ruby/branches/upstream/current/setup.rb
   packages-wip/libfastthread-ruby/branches/upstream/current/test/
   packages-wip/libfastthread-ruby/branches/upstream/current/test/test_all.rb
   packages-wip/libfastthread-ruby/branches/upstream/current/test/test_condvar.rb
   packages-wip/libfastthread-ruby/branches/upstream/current/test/test_mutex.rb
   packages-wip/libfastthread-ruby/branches/upstream/current/test/test_queue.rb
Log:
[svn-inject] Installing original source of libfastthread-ruby

Added: packages-wip/libfastthread-ruby/branches/upstream/current/CHANGELOG
===================================================================
--- packages-wip/libfastthread-ruby/branches/upstream/current/CHANGELOG	                        (rev 0)
+++ packages-wip/libfastthread-ruby/branches/upstream/current/CHANGELOG	2007-12-07 21:39:24 UTC (rev 2114)
@@ -0,0 +1,3 @@
+
+  v1.0.1. Signed gem.
+  
\ No newline at end of file

Added: packages-wip/libfastthread-ruby/branches/upstream/current/Manifest
===================================================================
--- packages-wip/libfastthread-ruby/branches/upstream/current/Manifest	                        (rev 0)
+++ packages-wip/libfastthread-ruby/branches/upstream/current/Manifest	2007-12-07 21:39:24 UTC (rev 2114)
@@ -0,0 +1,9 @@
+test/test_queue.rb
+test/test_mutex.rb
+test/test_condvar.rb
+test/test_all.rb
+setup.rb
+Manifest
+ext/fastthread/fastthread.c
+ext/fastthread/extconf.rb
+CHANGELOG

Added: packages-wip/libfastthread-ruby/branches/upstream/current/ext/fastthread/extconf.rb
===================================================================
--- packages-wip/libfastthread-ruby/branches/upstream/current/ext/fastthread/extconf.rb	                        (rev 0)
+++ packages-wip/libfastthread-ruby/branches/upstream/current/ext/fastthread/extconf.rb	2007-12-07 21:39:24 UTC (rev 2114)
@@ -0,0 +1,3 @@
+require 'mkmf'
+
+create_makefile('fastthread')

Added: packages-wip/libfastthread-ruby/branches/upstream/current/ext/fastthread/fastthread.c
===================================================================
--- packages-wip/libfastthread-ruby/branches/upstream/current/ext/fastthread/fastthread.c	                        (rev 0)
+++ packages-wip/libfastthread-ruby/branches/upstream/current/ext/fastthread/fastthread.c	2007-12-07 21:39:24 UTC (rev 2114)
@@ -0,0 +1,1186 @@
+/*
+ * Optimized Ruby Mutex implementation, loosely based on thread.rb by
+ * Yukihiro Matsumoto <matz at ruby-lang.org>
+ *
+ *  Copyright 2006-2007  MenTaLguY <mental at rydia.net>
+ *
+ * RDoc taken from original.
+ *
+ * This file is made available under the same terms as Ruby.
+ */
+
+#include <ruby.h>
+#include <intern.h>
+#include <rubysig.h>
+
+static VALUE rb_cMutex;
+static VALUE rb_cConditionVariable;
+static VALUE rb_cQueue;
+static VALUE rb_cSizedQueue;
+/* earlier versions of ruby do not export rb_eThreadError */
+static VALUE private_eThreadError;
+
+static VALUE set_critical(VALUE value);
+
+/*
+ *  call-seq:
+ *     Thread.exclusive { block }   => obj
+ *  
+ *  Wraps a block in Thread.critical, restoring the original value
+ *  upon exit from the critical section, and returns the value of the
+ *  block.
+ */
+
+typedef struct _Entry {
+    VALUE value;
+    struct _Entry *next;
+} Entry;
+
+typedef struct _List {
+    Entry *entries;
+    Entry *last_entry;
+    Entry *entry_pool;
+    unsigned long size;
+} List;
+
+static void
+init_list(List *list)
+{
+    list->entries = NULL;
+    list->last_entry = NULL;
+    list->entry_pool = NULL;
+    list->size = 0;
+}
+
+static void
+mark_list(List *list)
+{
+    Entry *entry;
+    for (entry = list->entries; entry; entry = entry->next) {
+        rb_gc_mark(entry->value);
+    }
+}
+
+static void
+free_entries(Entry *first)
+{
+    Entry *next;
+    while (first) {
+        next = first->next;
+        xfree(first);
+        first = next;
+    }
+}
+
+static void
+finalize_list(List *list)
+{
+    free_entries(list->entries);
+    free_entries(list->entry_pool);
+}
+
+static void
+push_list(List *list, VALUE value)
+{
+    Entry *entry;
+
+    if (list->entry_pool) {
+        entry = list->entry_pool;
+        list->entry_pool = entry->next;
+    } else {
+        entry = ALLOC(Entry);
+    }
+
+    entry->value = value;
+    entry->next = NULL;
+
+    if (list->last_entry) {
+        list->last_entry->next = entry;
+    } else {
+        list->entries = entry;
+    }
+    list->last_entry = entry;
+
+    ++list->size;
+}
+
+static void
+push_multiple_list(List *list, VALUE *values, unsigned count)
+{
+    unsigned i;
+    for (i = 0; i < count; i++) {
+        push_list(list, values[i]);
+    }
+}
+
+static void
+recycle_entries(List *list, Entry *first_entry, Entry *last_entry)
+{
+#ifdef USE_MEM_POOLS
+    last_entry->next = list->entry_pool;
+    list->entry_pool = first_entry;
+#else
+    last_entry->next = NULL;
+    free_entries(first_entry);
+#endif
+}
+
+static VALUE
+shift_list(List *list)
+{
+    Entry *entry;
+    VALUE value;
+
+    entry = list->entries;
+    if (!entry) return Qundef;
+
+    list->entries = entry->next;
+    if (entry == list->last_entry) {
+        list->last_entry = NULL;
+    }
+
+    --list->size;
+
+    value = entry->value;
+    recycle_entries(list, entry, entry);
+
+    return value;
+}
+
+static void
+remove_one(List *list, VALUE value)
+{
+    Entry **ref;
+    Entry *prev;
+    Entry *entry;
+
+    for (ref = &list->entries, prev = NULL, entry = list->entries;
+              entry != NULL;
+              ref = &entry->next, prev = entry, entry = entry->next) {
+        if (entry->value == value) {
+            *ref = entry->next;
+            list->size--;
+            if (!entry->next) {
+                list->last_entry = prev;
+            }
+            recycle_entries(list, entry, entry);
+            break;
+        }
+    }
+}
+
+static void
+clear_list(List *list)
+{
+    if (list->last_entry) {
+        recycle_entries(list, list->entries, list->last_entry);
+        list->entries = NULL;
+        list->last_entry = NULL;
+        list->size = 0;
+    }
+}
+
+static VALUE
+array_from_list(List const *list)
+{
+    VALUE ary;
+    Entry *entry;
+    ary = rb_ary_new();
+    for (entry = list->entries; entry; entry = entry->next) {
+        rb_ary_push(ary, entry->value);
+    }
+    return ary;
+}
+
+static VALUE
+wake_thread(VALUE thread)
+{
+    return rb_rescue2(rb_thread_wakeup, thread,
+      NULL, Qundef, private_eThreadError, 0);
+}
+
+static VALUE
+run_thread(VALUE thread)
+{
+    return rb_rescue2(rb_thread_run, thread,
+      NULL, Qundef, private_eThreadError, 0);
+}
+
+static VALUE
+wake_one(List *list)
+{
+    VALUE waking;
+
+    waking = Qnil;
+    while (list->entries && !RTEST(waking)) {
+        waking = wake_thread(shift_list(list));
+    }
+
+    return waking;
+}
+
+static VALUE
+wake_all(List *list)
+{
+    while (list->entries) {
+        wake_one(list);
+    }
+    return Qnil;
+}
+
+static VALUE
+wait_list_inner(List *list)
+{
+    push_list(list, rb_thread_current());
+    rb_thread_stop();
+    return Qnil;
+}
+
+static VALUE
+wait_list_cleanup(List *list)
+{
+    /* cleanup in case of spurious wakeups */
+    remove_one(list, rb_thread_current());
+    return Qnil;
+}
+
+static void
+wait_list(List *list)
+{
+    rb_ensure(wait_list_inner, (VALUE)list, wait_list_cleanup, (VALUE)list);
+}
+
+static void
+assert_no_survivors(List *waiting, const char *label, void *addr)
+{
+    Entry *entry;
+    for (entry = waiting->entries; entry; entry = entry->next) {
+        if (RTEST(wake_thread(entry->value))) {
+            rb_bug("%s %p freed with live thread(s) waiting", label, addr);
+        }
+    }
+}
+
+/*
+ * Document-class: Mutex
+ *
+ * Mutex implements a simple semaphore that can be used to coordinate access to
+ * shared data from multiple concurrent threads.
+ *
+ * Example:
+ *
+ *   require 'thread'
+ *   semaphore = Mutex.new
+ *
+ *   a = Thread.new {
+ *     semaphore.synchronize {
+ *       # access shared resource
+ *     }
+ *   }
+ *
+ *   b = Thread.new {
+ *     semaphore.synchronize {
+ *       # access shared resource
+ *     }
+ *   }
+ *
+ */
+
+typedef struct _Mutex {
+    VALUE owner;
+    List waiting;
+} Mutex;
+
+static void
+mark_mutex(Mutex *mutex)
+{
+    rb_gc_mark(mutex->owner);
+    mark_list(&mutex->waiting);
+}
+
+static void
+finalize_mutex(Mutex *mutex)
+{
+    finalize_list(&mutex->waiting);
+}
+
+static void
+free_mutex(Mutex *mutex)
+{
+    assert_no_survivors(&mutex->waiting, "mutex", mutex);
+    finalize_mutex(mutex);
+    xfree(mutex);
+}
+
+static void
+init_mutex(Mutex *mutex)
+{
+    mutex->owner = Qnil;
+    init_list(&mutex->waiting);
+}
+
+/*
+ * Document-method: new
+ * call-seq: Mutex.new
+ * 
+ * Creates a new Mutex
+ *
+ */
+
+static VALUE 
+rb_mutex_alloc(VALUE klass)
+{
+    Mutex *mutex;
+    mutex = ALLOC(Mutex);
+    init_mutex(mutex);
+    return Data_Wrap_Struct(klass, mark_mutex, free_mutex, mutex);
+}
+
+/*
+ * Document-method: locked?
+ * call-seq: locked?
+ *
+ * Returns +true+ if this lock is currently held by some thread.
+ *
+ */
+
+static VALUE
+rb_mutex_locked_p(VALUE self)
+{
+    Mutex *mutex;
+    Data_Get_Struct(self, Mutex, mutex);
+    return RTEST(mutex->owner) ? Qtrue : Qfalse;
+}
+
+/*
+ * Document-method: try_lock
+ * call-seq: try_lock
+ *
+ * Attempts to obtain the lock and returns immediately. Returns +true+ if the
+ * lock was granted.
+ *
+ */
+
+static VALUE
+rb_mutex_try_lock(VALUE self)
+{
+    Mutex *mutex;
+
+    Data_Get_Struct(self, Mutex, mutex);
+
+    if (RTEST(mutex->owner))
+        return Qfalse;
+
+    mutex->owner = rb_thread_current();
+    return Qtrue;
+}
+
+/*
+ * Document-method: lock
+ * call-seq: lock
+ *
+ * Attempts to grab the lock and waits if it isn't available.
+ *
+ */
+
+static VALUE
+lock_mutex(Mutex *mutex)
+{
+    VALUE current;
+    current = rb_thread_current();
+
+    rb_thread_critical = 1;
+
+    while (RTEST(mutex->owner)) {
+        wait_list(&mutex->waiting);
+        rb_thread_critical = 1;
+    }
+    mutex->owner = current; 
+
+    rb_thread_critical = 0;
+    return Qnil;
+}
+
+static VALUE
+rb_mutex_lock(VALUE self)
+{
+    Mutex *mutex;
+    Data_Get_Struct(self, Mutex, mutex);
+    lock_mutex(mutex);
+    return self;
+}
+
+/*
+ * Document-method: unlock
+ *
+ * Releases the lock. Returns +nil+ if ref wasn't locked.
+ *
+ */
+
+static VALUE
+unlock_mutex_inner(Mutex *mutex)
+{
+    VALUE waking;
+
+    if (!RTEST(mutex->owner)) {
+	return Qundef;
+    }
+
+    mutex->owner = Qnil;
+    waking = wake_one(&mutex->waiting);
+
+    return waking;
+}
+
+static VALUE
+set_critical(VALUE value)
+{
+    rb_thread_critical = (int)value;
+    return Qundef;
+}
+
+static VALUE
+unlock_mutex(Mutex *mutex)
+{
+    VALUE waking;
+
+    rb_thread_critical = 1;
+    waking = rb_ensure(unlock_mutex_inner, (VALUE)mutex, set_critical, 0);
+
+    if (waking == Qundef) {
+        return Qfalse;
+    }
+
+    if (RTEST(waking)) {
+        run_thread(waking);
+    }
+
+    return Qtrue;
+}
+
+static VALUE
+rb_mutex_unlock(VALUE self)
+{
+    Mutex *mutex;
+    Data_Get_Struct(self, Mutex, mutex);
+
+    if (RTEST(unlock_mutex(mutex))) {
+        return self;
+    } else {
+        return Qnil;
+    }
+}
+
+/*
+ * Document-method: exclusive_unlock
+ * call-seq: exclusive_unlock { ... }
+ *
+ * If the mutex is locked, unlocks the mutex, wakes one waiting thread, and
+ * yields in a critical section.
+ *
+ */
+
+static VALUE
+rb_mutex_exclusive_unlock_inner(Mutex *mutex)
+{
+    VALUE waking;
+    waking = unlock_mutex_inner(mutex);
+    rb_yield(Qundef);
+    return waking;
+}
+
+static VALUE
+rb_mutex_exclusive_unlock(VALUE self)
+{
+    Mutex *mutex;
+    VALUE waking;
+    Data_Get_Struct(self, Mutex, mutex);
+
+    rb_thread_critical = 1;
+    waking = rb_ensure(rb_mutex_exclusive_unlock_inner, (VALUE)mutex, set_critical, 0);
+
+    if (waking == Qundef) {
+        return Qnil;
+    }
+
+    if (RTEST(waking)) {
+        run_thread(waking);
+    }
+
+    return self;
+}
+
+/*
+ * Document-method: synchronize
+ * call-seq: synchronize { ... }
+ *
+ * Obtains a lock, runs the block, and releases the lock when the block
+ * completes.  See the example under Mutex.
+ *
+ */
+
+static VALUE
+rb_mutex_synchronize(VALUE self)
+{
+    rb_mutex_lock(self);
+    return rb_ensure(rb_yield, Qundef, rb_mutex_unlock, self);
+}
+
+/*
+ * Document-class: ConditionVariable
+ *
+ * ConditionVariable objects augment class Mutex. Using condition variables,
+ * it is possible to suspend while in the middle of a critical section until a
+ * resource becomes available.
+ *
+ * Example:
+ *
+ *   require 'thread'
+ *
+ *   mutex = Mutex.new
+ *   resource = ConditionVariable.new
+ *
+ *   a = Thread.new {
+ *     mutex.synchronize {
+ *       # Thread 'a' now needs the resource
+ *       resource.wait(mutex)
+ *       # 'a' can now have the resource
+ *     }
+ *   }
+ *
+ *   b = Thread.new {
+ *     mutex.synchronize {
+ *       # Thread 'b' has finished using the resource
+ *       resource.signal
+ *     }
+ *   }
+ *
+ */
+
+typedef struct _ConditionVariable {
+    List waiting;
+} ConditionVariable;
+
+static void
+mark_condvar(ConditionVariable *condvar)
+{
+    mark_list(&condvar->waiting);
+}
+
+static void
+finalize_condvar(ConditionVariable *condvar)
+{
+    finalize_list(&condvar->waiting);
+}
+
+static void
+free_condvar(ConditionVariable *condvar)
+{
+    assert_no_survivors(&condvar->waiting, "condition variable", condvar);
+    finalize_condvar(condvar);
+    xfree(condvar);
+}
+
+static void
+init_condvar(ConditionVariable *condvar)
+{
+    init_list(&condvar->waiting);
+}
+
+/*
+ * Document-method: new
+ * call-seq: ConditionVariable.new
+ *
+ * Creates a new ConditionVariable
+ *
+ */
+
+static VALUE
+rb_condvar_alloc(VALUE klass)
+{
+    ConditionVariable *condvar;
+
+    condvar = ALLOC(ConditionVariable);
+    init_condvar(condvar);
+
+    return Data_Wrap_Struct(klass, mark_condvar, free_condvar, condvar);
+}
+
+/*
+ * Document-method: wait
+ * call-seq: wait
+ *
+ * Releases the lock held in +mutex+ and waits; reacquires the lock on wakeup.
+ *
+ */
+
+static void
+wait_condvar(ConditionVariable *condvar, Mutex *mutex)
+{
+    rb_thread_critical = 1;
+    if (rb_thread_current() != mutex->owner) {
+        rb_thread_critical = 0;
+        rb_raise(private_eThreadError, "not owner of the synchronization mutex");
+    }
+    unlock_mutex_inner(mutex);
+    rb_ensure(wait_list, (VALUE)&condvar->waiting, lock_mutex, (VALUE)mutex);
+}
+
+static VALUE
+legacy_exclusive_unlock(VALUE mutex)
+{
+    return rb_funcall(mutex, rb_intern("exclusive_unlock"), 0);
+}
+
+typedef struct {
+    ConditionVariable *condvar;
+    VALUE mutex;
+} legacy_wait_args;
+
+static VALUE
+legacy_wait(VALUE unused, legacy_wait_args *args)
+{
+    wait_list(&args->condvar->waiting);
+    rb_funcall(args->mutex, rb_intern("lock"), 0);
+    return Qnil;
+}
+
+static VALUE
+rb_condvar_wait(VALUE self, VALUE mutex_v)
+{
+    ConditionVariable *condvar;
+    Data_Get_Struct(self, ConditionVariable, condvar);
+
+    if (CLASS_OF(mutex_v) != rb_cMutex) {
+        /* interoperate with legacy mutex */
+        legacy_wait_args args;
+        args.condvar = condvar;
+        args.mutex = mutex_v;
+        rb_iterate(legacy_exclusive_unlock, mutex_v, legacy_wait, (VALUE)&args);
+    } else {
+        Mutex *mutex;
+        Data_Get_Struct(mutex_v, Mutex, mutex);
+        wait_condvar(condvar, mutex);
+    }
+
+    return self;
+}
+
+/*
+ * Document-method: broadcast
+ * call-seq: broadcast
+ *
+ * Wakes up all threads waiting for this condition.
+ *
+ */
+
+static VALUE
+rb_condvar_broadcast(VALUE self)
+{
+    ConditionVariable *condvar;
+
+    Data_Get_Struct(self, ConditionVariable, condvar);
+  
+    rb_thread_critical = 1;
+    rb_ensure(wake_all, (VALUE)&condvar->waiting, set_critical, 0);
+    rb_thread_schedule();
+
+    return self;
+}
+
+/*
+ * Document-method: signal
+ * call-seq: signal
+ *
+ * Wakes up the first thread in line waiting for this condition.
+ *
+ */
+
+static void
+signal_condvar(ConditionVariable *condvar)
+{
+    VALUE waking;
+    rb_thread_critical = 1;
+    waking = rb_ensure(wake_one, (VALUE)&condvar->waiting, set_critical, 0);
+    if (RTEST(waking)) {
+        run_thread(waking);
+    }
+}
+
+static VALUE
+rb_condvar_signal(VALUE self)
+{
+    ConditionVariable *condvar;
+    Data_Get_Struct(self, ConditionVariable, condvar);
+    signal_condvar(condvar);
+    return self;
+}
+
+/*
+ * Document-class: Queue
+ *
+ * This class provides a way to synchronize communication between threads.
+ *
+ * Example:
+ *
+ *   require 'thread'
+ *
+ *   queue = Queue.new
+ *
+ *   producer = Thread.new do
+ *     5.times do |i|
+ *       sleep rand(i) # simulate expense
+ *       queue << i
+ *       puts "#{i} produced"
+ *     end
+ *   end
+ *
+ *   consumer = Thread.new do
+ *     5.times do |i|
+ *       value = queue.pop
+ *       sleep rand(i/2) # simulate expense
+ *       puts "consumed #{value}"
+ *     end
+ *   end
+ *
+ *   consumer.join
+ *
+ */
+
+typedef struct _Queue {
+    Mutex mutex;
+    ConditionVariable value_available;
+    ConditionVariable space_available;
+    List values;
+    unsigned long capacity;
+} Queue;
+
+static void
+mark_queue(Queue *queue)
+{
+    mark_mutex(&queue->mutex);
+    mark_condvar(&queue->value_available);
+    mark_condvar(&queue->space_available);
+    mark_list(&queue->values);
+}
+
+static void
+finalize_queue(Queue *queue)
+{
+    finalize_mutex(&queue->mutex);
+    finalize_condvar(&queue->value_available);
+    finalize_condvar(&queue->space_available);
+    finalize_list(&queue->values);
+}
+
+static void
+free_queue(Queue *queue)
+{
+    assert_no_survivors(&queue->mutex.waiting, "queue", queue);
+    assert_no_survivors(&queue->space_available.waiting, "queue", queue);
+    assert_no_survivors(&queue->value_available.waiting, "queue", queue);
+    finalize_queue(queue);
+    xfree(queue);
+}
+
+static void
+init_queue(Queue *queue)
+{
+    init_mutex(&queue->mutex);
+    init_condvar(&queue->value_available);
+    init_condvar(&queue->space_available);
+    init_list(&queue->values);
+    queue->capacity = 0;
+}
+
+/*
+ * Document-method: new
+ * call-seq: new
+ *
+ * Creates a new queue.
+ *
+ */
+
+static VALUE
+rb_queue_alloc(VALUE klass)
+{
+    Queue *queue;
+    queue = ALLOC(Queue);
+    init_queue(queue);
+    return Data_Wrap_Struct(klass, mark_queue, free_queue, queue);
+}
+
+static VALUE
+rb_queue_marshal_load(VALUE self, VALUE data)
+{
+    Queue *queue;
+    VALUE array;
+    Data_Get_Struct(self, Queue, queue);
+
+    array = rb_marshal_load(data);
+    if (TYPE(array) != T_ARRAY) {
+        rb_raise(rb_eRuntimeError, "expected Array of queue data");
+    }
+    if (RARRAY(array)->len < 1) {
+        rb_raise(rb_eRuntimeError, "missing capacity value");
+    }
+    queue->capacity = NUM2ULONG(rb_ary_shift(array));
+    push_multiple_list(&queue->values, RARRAY(array)->ptr, (unsigned)RARRAY(array)->len);
+
+    return self;
+}
+
+static VALUE
+rb_queue_marshal_dump(VALUE self)
+{
+    Queue *queue;
+    VALUE array;
+    Data_Get_Struct(self, Queue, queue);
+
+    array = array_from_list(&queue->values);
+    rb_ary_unshift(array, ULONG2NUM(queue->capacity));
+    return rb_marshal_dump(array, Qnil);
+}
+
+/*
+ * Document-method: clear
+ * call-seq: clear
+ *
+ * Removes all objects from the queue.
+ *
+ */
+
+static VALUE
+rb_queue_clear(VALUE self)
+{
+    Queue *queue;
+    Data_Get_Struct(self, Queue, queue);
+
+    lock_mutex(&queue->mutex);
+    clear_list(&queue->values);
+    signal_condvar(&queue->space_available);
+    unlock_mutex(&queue->mutex);
+
+    return self;
+}
+
+/*
+ * Document-method: empty?
+ * call-seq: empty?
+ *
+ * Returns +true+ if the queue is empty.
+ *
+ */
+
+static VALUE
+rb_queue_empty_p(VALUE self)
+{
+    Queue *queue;
+    VALUE result;
+    Data_Get_Struct(self, Queue, queue);
+
+    lock_mutex(&queue->mutex);
+    result = queue->values.size == 0 ? Qtrue : Qfalse;
+    unlock_mutex(&queue->mutex);
+
+    return result;
+}
+
+/*
+ * Document-method: length
+ * call-seq: length
+ *
+ * Returns the length of the queue.
+ *
+ */
+
+static VALUE
+rb_queue_length(VALUE self)
+{
+    Queue *queue;
+    VALUE result;
+    Data_Get_Struct(self, Queue, queue);
+
+    lock_mutex(&queue->mutex);
+    result = ULONG2NUM(queue->values.size);
+    unlock_mutex(&queue->mutex);
+
+    return result;
+}
+
+/*
+ * Document-method: num_waiting
+ * call-seq: num_waiting
+ *
+ * Returns the number of threads waiting on the queue.
+ *
+ */
+
+static VALUE
+rb_queue_num_waiting(VALUE self)
+{
+    Queue *queue;
+    VALUE result;
+    Data_Get_Struct(self, Queue, queue);
+
+    lock_mutex(&queue->mutex);
+    result = ULONG2NUM(queue->value_available.waiting.size +
+      queue->space_available.waiting.size);
+    unlock_mutex(&queue->mutex);
+
+    return result;
+}
+
+/*
+ * Document-method: pop
+ * call_seq: pop(non_block=false)
+ *
+ * Retrieves data from the queue.  If the queue is empty, the calling thread is
+ * suspended until data is pushed onto the queue.  If +non_block+ is true, the
+ * thread isn't suspended, and an exception is raised.
+ *
+ */
+
+static VALUE
+rb_queue_pop(int argc, VALUE *argv, VALUE self)
+{
+    Queue *queue;
+    int should_block;
+    VALUE result;
+    Data_Get_Struct(self, Queue, queue);
+
+    if (argc == 0) {
+        should_block = 1;
+    } else if (argc == 1) {
+        should_block = !RTEST(argv[0]);
+    } else {
+        rb_raise(rb_eArgError, "wrong number of arguments (%d for 1)", argc);
+    }
+
+    lock_mutex(&queue->mutex);
+    if (!queue->values.entries && !should_block) {
+        unlock_mutex(&queue->mutex);
+        rb_raise(private_eThreadError, "queue empty");
+    }
+
+    while (!queue->values.entries) {
+        wait_condvar(&queue->value_available, &queue->mutex);
+    }
+
+    result = shift_list(&queue->values);
+    if (queue->capacity && queue->values.size < queue->capacity) {
+        signal_condvar(&queue->space_available);
+    }
+    unlock_mutex(&queue->mutex);
+
+    return result;
+}
+
+/*
+ * Document-method: push
+ * call-seq: push(obj)
+ *
+ * Pushes +obj+ to the queue.
+ *
+ */
+
+static VALUE
+rb_queue_push(VALUE self, VALUE value)
+{
+    Queue *queue;
+    Data_Get_Struct(self, Queue, queue);
+
+    lock_mutex(&queue->mutex);
+    while (queue->capacity && queue->values.size >= queue->capacity) {
+        wait_condvar(&queue->space_available, &queue->mutex);
+    }
+    push_list(&queue->values, value);
+    signal_condvar(&queue->value_available);
+    unlock_mutex(&queue->mutex);
+
+    return self;
+}
+
+/*
+ * Document-class: SizedQueue
+ *
+ * This class represents queues of specified size capacity.  The push operation
+ * may be blocked if the capacity is full.
+ *
+ * See Queue for an example of how a SizedQueue works.
+ *
+ */
+
+/*
+ * Document-method: new
+ * call-seq: new
+ *
+ * Creates a fixed-length queue with a maximum size of +max+.
+ *
+ */
+
+/*
+ * Document-method: max
+ * call-seq: max
+ *
+ * Returns the maximum size of the queue.
+ *
+ */
+
+static VALUE
+rb_sized_queue_max(VALUE self)
+{
+    Queue *queue;
+    VALUE result;
+    Data_Get_Struct(self, Queue, queue);
+
+    lock_mutex(&queue->mutex);
+    result = ULONG2NUM(queue->capacity);
+    unlock_mutex(&queue->mutex);
+
+    return result;
+}
+
+/*
+ * Document-method: max=
+ * call-seq: max=(size)
+ *
+ * Sets the maximum size of the queue.
+ *
+ */
+
+static VALUE
+rb_sized_queue_max_set(VALUE self, VALUE value)
+{
+    Queue *queue;
+    unsigned long new_capacity;
+    unsigned long difference;
+    Data_Get_Struct(self, Queue, queue);
+
+    new_capacity = NUM2ULONG(value);
+
+    if (new_capacity < 1) {
+        rb_raise(rb_eArgError, "value must be positive");
+    }
+
+    lock_mutex(&queue->mutex);
+    if (queue->capacity && new_capacity > queue->capacity) {
+        difference = new_capacity - queue->capacity;
+    } else {
+        difference = 0;
+    }
+    queue->capacity = new_capacity;
+    for (; difference > 0; --difference) {
+        signal_condvar(&queue->space_available);
+    }
+    unlock_mutex(&queue->mutex);
+
+    return self;
+}
+
+/*
+ * Document-method: push
+ * call-seq: push(obj)
+ *
+ * Pushes +obj+ to the queue.  If there is no space left in the queue, waits
+ * until space becomes available.
+ *
+ */
+
+/*
+ * Document-method: pop
+ * call-seq: pop(non_block=false)
+ *
+ * Retrieves data from the queue and runs a waiting thread, if any.
+ *
+ */
+
+/* for marshalling mutexes and condvars */
+
+static VALUE
+dummy_load(VALUE self, VALUE string)
+{
+    return Qnil;
+}
+
+static VALUE
+dummy_dump(VALUE self)
+{
+    return rb_str_new2("");
+}
+
+
+static VALUE
+setup_classes(VALUE unused)
+{
+    rb_mod_remove_const(rb_cObject, ID2SYM(rb_intern("Mutex")));
+    rb_cMutex = rb_define_class("Mutex", rb_cObject);
+    rb_define_alloc_func(rb_cMutex, rb_mutex_alloc);
+    rb_define_method(rb_cMutex, "marshal_load", dummy_load, 1);
+    rb_define_method(rb_cMutex, "marshal_dump", dummy_dump, 0);
+    rb_define_method(rb_cMutex, "locked?", rb_mutex_locked_p, 0);
+    rb_define_method(rb_cMutex, "try_lock", rb_mutex_try_lock, 0);
+    rb_define_method(rb_cMutex, "lock", rb_mutex_lock, 0);
+    rb_define_method(rb_cMutex, "unlock", rb_mutex_unlock, 0);
+    rb_define_method(rb_cMutex, "exclusive_unlock", rb_mutex_exclusive_unlock, 0);
+    rb_define_method(rb_cMutex, "synchronize", rb_mutex_synchronize, 0);
+
+    rb_mod_remove_const(rb_cObject, ID2SYM(rb_intern("ConditionVariable")));
+    rb_cConditionVariable = rb_define_class("ConditionVariable", rb_cObject);
+    rb_define_alloc_func(rb_cConditionVariable, rb_condvar_alloc);
+    rb_define_method(rb_cConditionVariable, "marshal_load", dummy_load, 1);
+    rb_define_method(rb_cConditionVariable, "marshal_dump", dummy_dump, 0);
+    rb_define_method(rb_cConditionVariable, "wait", rb_condvar_wait, 1);
+    rb_define_method(rb_cConditionVariable, "broadcast", rb_condvar_broadcast, 0);
+    rb_define_method(rb_cConditionVariable, "signal", rb_condvar_signal, 0);
+
+    rb_mod_remove_const(rb_cObject, ID2SYM(rb_intern("Queue")));
+    rb_cQueue = rb_define_class("Queue", rb_cObject);
+    rb_define_alloc_func(rb_cQueue, rb_queue_alloc);
+    rb_define_method(rb_cQueue, "marshal_load", rb_queue_marshal_load, 1);
+    rb_define_method(rb_cQueue, "marshal_dump", rb_queue_marshal_dump, 0);
+    rb_define_method(rb_cQueue, "clear", rb_queue_clear, 0);
+    rb_define_method(rb_cQueue, "empty?", rb_queue_empty_p, 0);
+    rb_define_method(rb_cQueue, "length", rb_queue_length, 0);
+    rb_define_method(rb_cQueue, "num_waiting", rb_queue_num_waiting, 0);
+    rb_define_method(rb_cQueue, "pop", rb_queue_pop, -1);
+    rb_define_method(rb_cQueue, "push", rb_queue_push, 1);
+    rb_alias(rb_cQueue, rb_intern("enq"), rb_intern("push"));
+    rb_alias(rb_cQueue, rb_intern("<<"), rb_intern("push"));
+    rb_alias(rb_cQueue, rb_intern("deq"), rb_intern("pop"));
+    rb_alias(rb_cQueue, rb_intern("shift"), rb_intern("pop"));
+    rb_alias(rb_cQueue, rb_intern("size"), rb_intern("length"));
+
+    rb_mod_remove_const(rb_cObject, ID2SYM(rb_intern("SizedQueue")));
+    rb_cSizedQueue = rb_define_class("SizedQueue", rb_cQueue);
+    rb_define_method(rb_cSizedQueue, "initialize", rb_sized_queue_max_set, 1);
+    rb_define_method(rb_cSizedQueue, "clear", rb_queue_clear, 0);
+    rb_define_method(rb_cSizedQueue, "empty?", rb_queue_empty_p, 0);
+    rb_define_method(rb_cSizedQueue, "length", rb_queue_length, 0);
+    rb_define_method(rb_cSizedQueue, "num_waiting", rb_queue_num_waiting, 0);
+    rb_define_method(rb_cSizedQueue, "pop", rb_queue_pop, -1);
+    rb_define_method(rb_cSizedQueue, "push", rb_queue_push, 1);
+    rb_define_method(rb_cSizedQueue, "max", rb_sized_queue_max, 0);
+    rb_define_method(rb_cSizedQueue, "max=", rb_sized_queue_max_set, 1);
+    rb_alias(rb_cSizedQueue, rb_intern("<<"), rb_intern("push"));
+    rb_alias(rb_cSizedQueue, rb_intern("deq"), rb_intern("pop"));
+    rb_alias(rb_cSizedQueue, rb_intern("shift"), rb_intern("pop"));
+
+    return Qnil;
+}
+
+void
+Init_fastthread()
+{
+    int saved_critical;
+
+    rb_require("thread");
+
+    private_eThreadError = rb_const_get(rb_cObject, rb_intern("ThreadError"));
+
+    /* ensure that classes get replaced atomically */
+    saved_critical = rb_thread_critical;
+    rb_thread_critical = 1;
+    rb_ensure(setup_classes, Qnil, set_critical, (VALUE)saved_critical);
+}
+

Added: packages-wip/libfastthread-ruby/branches/upstream/current/fastthread.gemspec
===================================================================
--- packages-wip/libfastthread-ruby/branches/upstream/current/fastthread.gemspec	                        (rev 0)
+++ packages-wip/libfastthread-ruby/branches/upstream/current/fastthread.gemspec	2007-12-07 21:39:24 UTC (rev 2114)
@@ -0,0 +1,52 @@
+
+# Gem::Specification for Fastthread-1.0.1
+# Originally generated by Echoe
+
+Gem::Specification.new do |s|
+  s.name = %q{fastthread}
+  s.version = "1.0.1"
+
+  s.specification_version = 2 if s.respond_to? :specification_version=
+
+  s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
+  s.authors = ["MenTaLguY <mental at rydia.net>"]
+  s.date = %q{2007-10-26}
+  s.description = %q{Optimized replacement for thread.rb primitives}
+  s.email = %q{}
+  s.extensions = ["ext/fastthread/extconf.rb"]
+  s.files = ["test/test_queue.rb", "test/test_mutex.rb", "test/test_condvar.rb", "test/test_all.rb", "setup.rb", "Manifest", "ext/fastthread/fastthread.c", "ext/fastthread/extconf.rb", "CHANGELOG", "fastthread.gemspec"]
+  s.has_rdoc = true
+  s.homepage = %q{}
+  s.require_paths = ["lib", "ext"]
+  s.rubyforge_project = %q{mongrel}
+  s.rubygems_version = %q{0.9.4.6}
+  s.summary = %q{Optimized replacement for thread.rb primitives}
+  s.test_files = ["test/test_all.rb"]
+end
+
+
+# # Original Rakefile source (requires the Echoe gem):
+# 
+# 
+# require 'echoe'
+# 
+# Echoe.new("fastthread") do |p|
+#   p.project = "mongrel"
+#   p.author = "MenTaLguY <mental at rydia.net>"
+#   p.summary = "Optimized replacement for thread.rb primitives"
+#   p.extensions = "ext/fastthread/extconf.rb"
+#   p.clean_pattern = ['build/*', '**/*.o', '**/*.so', '**/*.a', 'lib/*-*', '**/*.log', "ext/fastthread/*.{bundle,so,obj,pdb,lib,def,exp}", "ext/fastthread/Makefile", "pkg", "lib/*.bundle", "*.gem", ".config"]
+# 
+#   p.need_tar_gz = false
+#   p.need_tgz = true
+#   p.require_signed = true
+# 
+#   p.eval = proc do  
+#     if RUBY_PLATFORM.match("win32")
+#       platform = Gem::Platform::WIN32
+#       files += ['lib/fastthread.so']
+#       task :package => [:clean, :compile]
+#     end
+#   end
+# 
+# end

Added: packages-wip/libfastthread-ruby/branches/upstream/current/setup.rb
===================================================================
--- packages-wip/libfastthread-ruby/branches/upstream/current/setup.rb	                        (rev 0)
+++ packages-wip/libfastthread-ruby/branches/upstream/current/setup.rb	2007-12-07 21:39:24 UTC (rev 2114)
@@ -0,0 +1,1585 @@
+#
+# setup.rb
+#
+# Copyright (c) 2000-2005 Minero Aoki
+#
+# This program is free software.
+# You can distribute/modify this program under the terms of
+# the GNU LGPL, Lesser General Public License version 2.1.
+#
+
+unless Enumerable.method_defined?(:map)   # Ruby 1.4.6
+  module Enumerable
+    alias map collect
+  end
+end
+
+unless File.respond_to?(:read)   # Ruby 1.6
+  def File.read(fname)
+    open(fname) {|f|
+      return f.read
+    }
+  end
+end
+
+unless Errno.const_defined?(:ENOTEMPTY)   # Windows?
+  module Errno
+    class ENOTEMPTY
+      # We do not raise this exception, implementation is not needed.
+    end
+  end
+end
+
+def File.binread(fname)
+  open(fname, 'rb') {|f|
+    return f.read
+  }
+end
+
+# for corrupted Windows' stat(2)
+def File.dir?(path)
+  File.directory?((path[-1,1] == '/') ? path : path + '/')
+end
+
+
+class ConfigTable
+
+  include Enumerable
+
+  def initialize(rbconfig)
+    @rbconfig = rbconfig
+    @items = []
+    @table = {}
+    # options
+    @install_prefix = nil
+    @config_opt = nil
+    @verbose = true
+    @no_harm = false
+  end
+
+  attr_accessor :install_prefix
+  attr_accessor :config_opt
+
+  attr_writer :verbose
+
+  def verbose?
+    @verbose
+  end
+
+  attr_writer :no_harm
+
+  def no_harm?
+    @no_harm
+  end
+
+  def [](key)
+    lookup(key).resolve(self)
+  end
+
+  def []=(key, val)
+    lookup(key).set val
+  end
+
+  def names
+    @items.map {|i| i.name }
+  end
+
+  def each(&block)
+    @items.each(&block)
+  end
+
+  def key?(name)
+    @table.key?(name)
+  end
+
+  def lookup(name)
+    @table[name] or setup_rb_error "no such config item: #{name}"
+  end
+
+  def add(item)
+    @items.push item
+    @table[item.name] = item
+  end
+
+  def remove(name)
+    item = lookup(name)
+    @items.delete_if {|i| i.name == name }
+    @table.delete_if {|name, i| i.name == name }
+    item
+  end
+
+  def load_script(path, inst = nil)
+    if File.file?(path)
+      MetaConfigEnvironment.new(self, inst).instance_eval File.read(path), path
+    end
+  end
+
+  def savefile
+    '.config'
+  end
+
+  def load_savefile
+    begin
+      File.foreach(savefile()) do |line|
+        k, v = *line.split(/=/, 2)
+        self[k] = v.strip
+      end
+    rescue Errno::ENOENT
+      setup_rb_error $!.message + "\n#{File.basename($0)} config first"
+    end
+  end
+
+  def save
+    @items.each {|i| i.value }
+    File.open(savefile(), 'w') {|f|
+      @items.each do |i|
+        f.printf "%s=%s\n", i.name, i.value if i.value? and i.value
+      end
+    }
+  end
+
+  def load_standard_entries
+    standard_entries(@rbconfig).each do |ent|
+      add ent
+    end
+  end
+
+  def standard_entries(rbconfig)
+    c = rbconfig
+
+    rubypath = File.join(c['bindir'], c['ruby_install_name'] + c['EXEEXT'])
+
+    major = c['MAJOR'].to_i
+    minor = c['MINOR'].to_i
+    teeny = c['TEENY'].to_i
+    version = "#{major}.#{minor}"
+
+    # ruby ver. >= 1.4.4?
+    newpath_p = ((major >= 2) or
+                 ((major == 1) and
+                  ((minor >= 5) or
+                   ((minor == 4) and (teeny >= 4)))))
+
+    if c['rubylibdir']
+      # V > 1.6.3
+      libruby         = "#{c['prefix']}/lib/ruby"
+      librubyver      = c['rubylibdir']
+      librubyverarch  = c['archdir']
+      siteruby        = c['sitedir']
+      siterubyver     = c['sitelibdir']
+      siterubyverarch = c['sitearchdir']
+    elsif newpath_p
+      # 1.4.4 <= V <= 1.6.3
+      libruby         = "#{c['prefix']}/lib/ruby"
+      librubyver      = "#{c['prefix']}/lib/ruby/#{version}"
+      librubyverarch  = "#{c['prefix']}/lib/ruby/#{version}/#{c['arch']}"
+      siteruby        = c['sitedir']
+      siterubyver     = "$siteruby/#{version}"
+      siterubyverarch = "$siterubyver/#{c['arch']}"
+    else
+      # V < 1.4.4
+      libruby         = "#{c['prefix']}/lib/ruby"
+      librubyver      = "#{c['prefix']}/lib/ruby/#{version}"
+      librubyverarch  = "#{c['prefix']}/lib/ruby/#{version}/#{c['arch']}"
+      siteruby        = "#{c['prefix']}/lib/ruby/#{version}/site_ruby"
+      siterubyver     = siteruby
+      siterubyverarch = "$siterubyver/#{c['arch']}"
+    end
+    parameterize = lambda {|path|
+      path.sub(/\A#{Regexp.quote(c['prefix'])}/, '$prefix')
+    }
+
+    if arg = c['configure_args'].split.detect {|arg| /--with-make-prog=/ =~ arg }
+      makeprog = arg.sub(/'/, '').split(/=/, 2)[1]
+    else
+      makeprog = 'make'
+    end
+
+    [
+      ExecItem.new('installdirs', 'std/site/home',
+                   'std: install under libruby; site: install under site_ruby; home: install under $HOME')\
+          {|val, table|
+            case val
+            when 'std'
+              table['rbdir'] = '$librubyver'
+              table['sodir'] = '$librubyverarch'
+            when 'site'
+              table['rbdir'] = '$siterubyver'
+              table['sodir'] = '$siterubyverarch'
+            when 'home'
+              setup_rb_error '$HOME was not set' unless ENV['HOME']
+              table['prefix'] = ENV['HOME']
+              table['rbdir'] = '$libdir/ruby'
+              table['sodir'] = '$libdir/ruby'
+            end
+          },
+      PathItem.new('prefix', 'path', c['prefix'],
+                   'path prefix of target environment'),
+      PathItem.new('bindir', 'path', parameterize.call(c['bindir']),
+                   'the directory for commands'),
+      PathItem.new('libdir', 'path', parameterize.call(c['libdir']),
+                   'the directory for libraries'),
+      PathItem.new('datadir', 'path', parameterize.call(c['datadir']),
+                   'the directory for shared data'),
+      PathItem.new('mandir', 'path', parameterize.call(c['mandir']),
+                   'the directory for man pages'),
+      PathItem.new('sysconfdir', 'path', parameterize.call(c['sysconfdir']),
+                   'the directory for system configuration files'),
+      PathItem.new('localstatedir', 'path', parameterize.call(c['localstatedir']),
+                   'the directory for local state data'),
+      PathItem.new('libruby', 'path', parameterize.call(libruby),
+                   'the directory for ruby libraries'),
+      PathItem.new('librubyver', 'path', parameterize.call(librubyver),
+                   'the directory for standard ruby libraries'),
+      PathItem.new('librubyverarch', 'path', parameterize.call(librubyverarch),
+                   'the directory for standard ruby extensions'),
+      PathItem.new('siteruby', 'path', parameterize.call(siteruby),
+          'the directory for version-independent aux ruby libraries'),
+      PathItem.new('siterubyver', 'path', parameterize.call(siterubyver),
+                   'the directory for aux ruby libraries'),
+      PathItem.new('siterubyverarch', 'path', parameterize.call(siterubyverarch),
+                   'the directory for aux ruby binaries'),
+      PathItem.new('rbdir', 'path', '$siterubyver',
+                   'the directory for ruby scripts'),
+      PathItem.new('sodir', 'path', '$siterubyverarch',
+                   'the directory for ruby extentions'),
+      PathItem.new('rubypath', 'path', rubypath,
+                   'the path to set to #! line'),
+      ProgramItem.new('rubyprog', 'name', rubypath,
+                      'the ruby program using for installation'),
+      ProgramItem.new('makeprog', 'name', makeprog,
+                      'the make program to compile ruby extentions'),
+      SelectItem.new('shebang', 'all/ruby/never', 'ruby',
+                     'shebang line (#!) editing mode'),
+      BoolItem.new('without-ext', 'yes/no', 'no',
+                   'does not compile/install ruby extentions')
+    ]
+  end
+  private :standard_entries
+
+  def load_multipackage_entries
+    multipackage_entries().each do |ent|
+      add ent
+    end
+  end
+
+  def multipackage_entries
+    [
+      PackageSelectionItem.new('with', 'name,name...', '', 'ALL',
+                               'package names that you want to install'),
+      PackageSelectionItem.new('without', 'name,name...', '', 'NONE',
+                               'package names that you do not want to install')
+    ]
+  end
+  private :multipackage_entries
+
+  ALIASES = {
+    'std-ruby'         => 'librubyver',
+    'stdruby'          => 'librubyver',
+    'rubylibdir'       => 'librubyver',
+    'archdir'          => 'librubyverarch',
+    'site-ruby-common' => 'siteruby',     # For backward compatibility
+    'site-ruby'        => 'siterubyver',  # For backward compatibility
+    'bin-dir'          => 'bindir',
+    'bin-dir'          => 'bindir',
+    'rb-dir'           => 'rbdir',
+    'so-dir'           => 'sodir',
+    'data-dir'         => 'datadir',
+    'ruby-path'        => 'rubypath',
+    'ruby-prog'        => 'rubyprog',
+    'ruby'             => 'rubyprog',
+    'make-prog'        => 'makeprog',
+    'make'             => 'makeprog'
+  }
+
+  def fixup
+    ALIASES.each do |ali, name|
+      @table[ali] = @table[name]
+    end
+    @items.freeze
+    @table.freeze
+    @options_re = /\A--(#{@table.keys.join('|')})(?:=(.*))?\z/
+  end
+
+  def parse_opt(opt)
+    m = @options_re.match(opt) or setup_rb_error "config: unknown option #{opt}"
+    m.to_a[1,2]
+  end
+
+  def dllext
+    @rbconfig['DLEXT']
+  end
+
+  def value_config?(name)
+    lookup(name).value?
+  end
+
+  class Item
+    def initialize(name, template, default, desc)
+      @name = name.freeze
+      @template = template
+      @value = default
+      @default = default
+      @description = desc
+    end
+
+    attr_reader :name
+    attr_reader :description
+
+    attr_accessor :default
+    alias help_default default
+
+    def help_opt
+      "--#{@name}=#{@template}"
+    end
+
+    def value?
+      true
+    end
+
+    def value
+      @value
+    end
+
+    def resolve(table)
+      @value.gsub(%r<\$([^/]+)>) { table[$1] }
+    end
+
+    def set(val)
+      @value = check(val)
+    end
+
+    private
+
+    def check(val)
+      setup_rb_error "config: --#{name} requires argument" unless val
+      val
+    end
+  end
+
+  class BoolItem < Item
+    def config_type
+      'bool'
+    end
+
+    def help_opt
+      "--#{@name}"
+    end
+
+    private
+
+    def check(val)
+      return 'yes' unless val
+      case val
+      when /\Ay(es)?\z/i, /\At(rue)?\z/i then 'yes'
+      when /\An(o)?\z/i, /\Af(alse)\z/i  then 'no'
+      else
+        setup_rb_error "config: --#{@name} accepts only yes/no for argument"
+      end
+    end
+  end
+
+  class PathItem < Item
+    def config_type
+      'path'
+    end
+
+    private
+
+    def check(path)
+      setup_rb_error "config: --#{@name} requires argument"  unless path
+      path[0,1] == '$' ? path : File.expand_path(path)
+    end
+  end
+
+  class ProgramItem < Item
+    def config_type
+      'program'
+    end
+  end
+
+  class SelectItem < Item
+    def initialize(name, selection, default, desc)
+      super
+      @ok = selection.split('/')
+    end
+
+    def config_type
+      'select'
+    end
+
+    private
+
+    def check(val)
+      unless @ok.include?(val.strip)
+        setup_rb_error "config: use --#{@name}=#{@template} (#{val})"
+      end
+      val.strip
+    end
+  end
+
+  class ExecItem < Item
+    def initialize(name, selection, desc, &block)
+      super name, selection, nil, desc
+      @ok = selection.split('/')
+      @action = block
+    end
+
+    def config_type
+      'exec'
+    end
+
+    def value?
+      false
+    end
+
+    def resolve(table)
+      setup_rb_error "$#{name()} wrongly used as option value"
+    end
+
+    undef set
+
+    def evaluate(val, table)
+      v = val.strip.downcase
+      unless @ok.include?(v)
+        setup_rb_error "invalid option --#{@name}=#{val} (use #{@template})"
+      end
+      @action.call v, table
+    end
+  end
+
+  class PackageSelectionItem < Item
+    def initialize(name, template, default, help_default, desc)
+      super name, template, default, desc
+      @help_default = help_default
+    end
+
+    attr_reader :help_default
+
+    def config_type
+      'package'
+    end
+
+    private
+
+    def check(val)
+      unless File.dir?("packages/#{val}")
+        setup_rb_error "config: no such package: #{val}"
+      end
+      val
+    end
+  end
+
+  class MetaConfigEnvironment
+    def initialize(config, installer)
+      @config = config
+      @installer = installer
+    end
+
+    def config_names
+      @config.names
+    end
+
+    def config?(name)
+      @config.key?(name)
+    end
+
+    def bool_config?(name)
+      @config.lookup(name).config_type == 'bool'
+    end
+
+    def path_config?(name)
+      @config.lookup(name).config_type == 'path'
+    end
+
+    def value_config?(name)
+      @config.lookup(name).config_type != 'exec'
+    end
+
+    def add_config(item)
+      @config.add item
+    end
+
+    def add_bool_config(name, default, desc)
+      @config.add BoolItem.new(name, 'yes/no', default ? 'yes' : 'no', desc)
+    end
+
+    def add_path_config(name, default, desc)
+      @config.add PathItem.new(name, 'path', default, desc)
+    end
+
+    def set_config_default(name, default)
+      @config.lookup(name).default = default
+    end
+
+    def remove_config(name)
+      @config.remove(name)
+    end
+
+    # For only multipackage
+    def packages
+      raise '[setup.rb fatal] multi-package metaconfig API packages() called for single-package; contact application package vendor' unless @installer
+      @installer.packages
+    end
+
+    # For only multipackage
+    def declare_packages(list)
+      raise '[setup.rb fatal] multi-package metaconfig API declare_packages() called for single-package; contact application package vendor' unless @installer
+      @installer.packages = list
+    end
+  end
+
+end   # class ConfigTable
+
+
+# This module requires: #verbose?, #no_harm?
+module FileOperations
+
+  def mkdir_p(dirname, prefix = nil)
+    dirname = prefix + File.expand_path(dirname) if prefix
+    $stderr.puts "mkdir -p #{dirname}" if verbose?
+    return if no_harm?
+
+    # Does not check '/', it's too abnormal.
+    dirs = File.expand_path(dirname).split(%r<(?=/)>)
+    if /\A[a-z]:\z/i =~ dirs[0]
+      disk = dirs.shift
+      dirs[0] = disk + dirs[0]
+    end
+    dirs.each_index do |idx|
+      path = dirs[0..idx].join('')
+      Dir.mkdir path unless File.dir?(path)
+    end
+  end
+
+  def rm_f(path)
+    $stderr.puts "rm -f #{path}" if verbose?
+    return if no_harm?
+    force_remove_file path
+  end
+
+  def rm_rf(path)
+    $stderr.puts "rm -rf #{path}" if verbose?
+    return if no_harm?
+    remove_tree path
+  end
+
+  def remove_tree(path)
+    if File.symlink?(path)
+      remove_file path
+    elsif File.dir?(path)
+      remove_tree0 path
+    else
+      force_remove_file path
+    end
+  end
+
+  def remove_tree0(path)
+    Dir.foreach(path) do |ent|
+      next if ent == '.'
+      next if ent == '..'
+      entpath = "#{path}/#{ent}"
+      if File.symlink?(entpath)
+        remove_file entpath
+      elsif File.dir?(entpath)
+        remove_tree0 entpath
+      else
+        force_remove_file entpath
+      end
+    end
+    begin
+      Dir.rmdir path
+    rescue Errno::ENOTEMPTY
+      # directory may not be empty
+    end
+  end
+
+  def move_file(src, dest)
+    force_remove_file dest
+    begin
+      File.rename src, dest
+    rescue
+      File.open(dest, 'wb') {|f|
+        f.write File.binread(src)
+      }
+      File.chmod File.stat(src).mode, dest
+      File.unlink src
+    end
+  end
+
+  def force_remove_file(path)
+    begin
+      remove_file path
+    rescue
+    end
+  end
+
+  def remove_file(path)
+    File.chmod 0777, path
+    File.unlink path
+  end
+
+  def install(from, dest, mode, prefix = nil)
+    $stderr.puts "install #{from} #{dest}" if verbose?
+    return if no_harm?
+
+    realdest = prefix ? prefix + File.expand_path(dest) : dest
+    realdest = File.join(realdest, File.basename(from)) if File.dir?(realdest)
+    str = File.binread(from)
+    if diff?(str, realdest)
+      verbose_off {
+        rm_f realdest if File.exist?(realdest)
+      }
+      File.open(realdest, 'wb') {|f|
+        f.write str
+      }
+      File.chmod mode, realdest
+
+      File.open("#{objdir_root()}/InstalledFiles", 'a') {|f|
+        if prefix
+          f.puts realdest.sub(prefix, '')
+        else
+          f.puts realdest
+        end
+      }
+    end
+  end
+
+  def diff?(new_content, path)
+    return true unless File.exist?(path)
+    new_content != File.binread(path)
+  end
+
+  def command(*args)
+    $stderr.puts args.join(' ') if verbose?
+    system(*args) or raise RuntimeError,
+        "system(#{args.map{|a| a.inspect }.join(' ')}) failed"
+  end
+
+  def ruby(*args)
+    command config('rubyprog'), *args
+  end
+  
+  def make(task = nil)
+    command(*[config('makeprog'), task].compact)
+  end
+
+  def extdir?(dir)
+    File.exist?("#{dir}/MANIFEST") or File.exist?("#{dir}/extconf.rb")
+  end
+
+  def files_of(dir)
+    Dir.open(dir) {|d|
+      return d.select {|ent| File.file?("#{dir}/#{ent}") }
+    }
+  end
+
+  DIR_REJECT = %w( . .. CVS SCCS RCS CVS.adm .svn )
+
+  def directories_of(dir)
+    Dir.open(dir) {|d|
+      return d.select {|ent| File.dir?("#{dir}/#{ent}") } - DIR_REJECT
+    }
+  end
+
+end
+
+
+# This module requires: #srcdir_root, #objdir_root, #relpath
+module HookScriptAPI
+
+  def get_config(key)
+    @config[key]
+  end
+
+  alias config get_config
+
+  # obsolete: use metaconfig to change configuration
+  def set_config(key, val)
+    @config[key] = val
+  end
+
+  #
+  # srcdir/objdir (works only in the package directory)
+  #
+
+  def curr_srcdir
+    "#{srcdir_root()}/#{relpath()}"
+  end
+
+  def curr_objdir
+    "#{objdir_root()}/#{relpath()}"
+  end
+
+  def srcfile(path)
+    "#{curr_srcdir()}/#{path}"
+  end
+
+  def srcexist?(path)
+    File.exist?(srcfile(path))
+  end
+
+  def srcdirectory?(path)
+    File.dir?(srcfile(path))
+  end
+  
+  def srcfile?(path)
+    File.file?(srcfile(path))
+  end
+
+  def srcentries(path = '.')
+    Dir.open("#{curr_srcdir()}/#{path}") {|d|
+      return d.to_a - %w(. ..)
+    }
+  end
+
+  def srcfiles(path = '.')
+    srcentries(path).select {|fname|
+      File.file?(File.join(curr_srcdir(), path, fname))
+    }
+  end
+
+  def srcdirectories(path = '.')
+    srcentries(path).select {|fname|
+      File.dir?(File.join(curr_srcdir(), path, fname))
+    }
+  end
+
+end
+
+
+class ToplevelInstaller
+
+  Version   = '3.4.1'
+  Copyright = 'Copyright (c) 2000-2005 Minero Aoki'
+
+  TASKS = [
+    [ 'all',      'do config, setup, then install' ],
+    [ 'config',   'saves your configurations' ],
+    [ 'show',     'shows current configuration' ],
+    [ 'setup',    'compiles ruby extentions and others' ],
+    [ 'install',  'installs files' ],
+    [ 'test',     'run all tests in test/' ],
+    [ 'clean',    "does `make clean' for each extention" ],
+    [ 'distclean',"does `make distclean' for each extention" ]
+  ]
+
+  def ToplevelInstaller.invoke
+    config = ConfigTable.new(load_rbconfig())
+    config.load_standard_entries
+    config.load_multipackage_entries if multipackage?
+    config.fixup
+    klass = (multipackage?() ? ToplevelInstallerMulti : ToplevelInstaller)
+    klass.new(File.dirname($0), config).invoke
+  end
+
+  def ToplevelInstaller.multipackage?
+    File.dir?(File.dirname($0) + '/packages')
+  end
+
+  def ToplevelInstaller.load_rbconfig
+    if arg = ARGV.detect {|arg| /\A--rbconfig=/ =~ arg }
+      ARGV.delete(arg)
+      load File.expand_path(arg.split(/=/, 2)[1])
+      $".push 'rbconfig.rb'
+    else
+      require 'rbconfig'
+    end
+    ::Config::CONFIG
+  end
+
+  def initialize(ardir_root, config)
+    @ardir = File.expand_path(ardir_root)
+    @config = config
+    # cache
+    @valid_task_re = nil
+  end
+
+  def config(key)
+    @config[key]
+  end
+
+  def inspect
+    "#<#{self.class} #{__id__()}>"
+  end
+
+  def invoke
+    run_metaconfigs
+    case task = parsearg_global()
+    when nil, 'all'
+      parsearg_config
+      init_installers
+      exec_config
+      exec_setup
+      exec_install
+    else
+      case task
+      when 'config', 'test'
+        ;
+      when 'clean', 'distclean'
+        @config.load_savefile if File.exist?(@config.savefile)
+      else
+        @config.load_savefile
+      end
+      __send__ "parsearg_#{task}"
+      init_installers
+      __send__ "exec_#{task}"
+    end
+  end
+  
+  def run_metaconfigs
+    @config.load_script "#{@ardir}/metaconfig"
+  end
+
+  def init_installers
+    @installer = Installer.new(@config, @ardir, File.expand_path('.'))
+  end
+
+  #
+  # Hook Script API bases
+  #
+
+  def srcdir_root
+    @ardir
+  end
+
+  def objdir_root
+    '.'
+  end
+
+  def relpath
+    '.'
+  end
+
+  #
+  # Option Parsing
+  #
+
+  def parsearg_global
+    while arg = ARGV.shift
+      case arg
+      when /\A\w+\z/
+        setup_rb_error "invalid task: #{arg}" unless valid_task?(arg)
+        return arg
+      when '-q', '--quiet'
+        @config.verbose = false
+      when '--verbose'
+        @config.verbose = true
+      when '--help'
+        print_usage $stdout
+        exit 0
+      when '--version'
+        puts "#{File.basename($0)} version #{Version}"
+        exit 0
+      when '--copyright'
+        puts Copyright
+        exit 0
+      else
+        setup_rb_error "unknown global option '#{arg}'"
+      end
+    end
+    nil
+  end
+
+  def valid_task?(t)
+    valid_task_re() =~ t
+  end
+
+  def valid_task_re
+    @valid_task_re ||= /\A(?:#{TASKS.map {|task,desc| task }.join('|')})\z/
+  end
+
+  def parsearg_no_options
+    unless ARGV.empty?
+      task = caller(0).first.slice(%r<`parsearg_(\w+)'>, 1)
+      setup_rb_error "#{task}: unknown options: #{ARGV.join(' ')}"
+    end
+  end
+
+  alias parsearg_show       parsearg_no_options
+  alias parsearg_setup      parsearg_no_options
+  alias parsearg_test       parsearg_no_options
+  alias parsearg_clean      parsearg_no_options
+  alias parsearg_distclean  parsearg_no_options
+
+  def parsearg_config
+    evalopt = []
+    set = []
+    @config.config_opt = []
+    while i = ARGV.shift
+      if /\A--?\z/ =~ i
+        @config.config_opt = ARGV.dup
+        break
+      end
+      name, value = *@config.parse_opt(i)
+      if @config.value_config?(name)
+        @config[name] = value
+      else
+        evalopt.push [name, value]
+      end
+      set.push name
+    end
+    evalopt.each do |name, value|
+      @config.lookup(name).evaluate value, @config
+    end
+    # Check if configuration is valid
+    set.each do |n|
+      @config[n] if @config.value_config?(n)
+    end
+  end
+
+  def parsearg_install
+    @config.no_harm = false
+    @config.install_prefix = ''
+    while a = ARGV.shift
+      case a
+      when '--no-harm'
+        @config.no_harm = true
+      when /\A--prefix=/
+        path = a.split(/=/, 2)[1]
+        path = File.expand_path(path) unless path[0,1] == '/'
+        @config.install_prefix = path
+      else
+        setup_rb_error "install: unknown option #{a}"
+      end
+    end
+  end
+
+  def print_usage(out)
+    out.puts 'Typical Installation Procedure:'
+    out.puts "  $ ruby #{File.basename $0} config"
+    out.puts "  $ ruby #{File.basename $0} setup"
+    out.puts "  # ruby #{File.basename $0} install (may require root privilege)"
+    out.puts
+    out.puts 'Detailed Usage:'
+    out.puts "  ruby #{File.basename $0} <global option>"
+    out.puts "  ruby #{File.basename $0} [<global options>] <task> [<task options>]"
+
+    fmt = "  %-24s %s\n"
+    out.puts
+    out.puts 'Global options:'
+    out.printf fmt, '-q,--quiet',   'suppress message outputs'
+    out.printf fmt, '   --verbose', 'output messages verbosely'
+    out.printf fmt, '   --help',    'print this message'
+    out.printf fmt, '   --version', 'print version and quit'
+    out.printf fmt, '   --copyright',  'print copyright and quit'
+    out.puts
+    out.puts 'Tasks:'
+    TASKS.each do |name, desc|
+      out.printf fmt, name, desc
+    end
+
+    fmt = "  %-24s %s [%s]\n"
+    out.puts
+    out.puts 'Options for CONFIG or ALL:'
+    @config.each do |item|
+      out.printf fmt, item.help_opt, item.description, item.help_default
+    end
+    out.printf fmt, '--rbconfig=path', 'rbconfig.rb to load',"running ruby's"
+    out.puts
+    out.puts 'Options for INSTALL:'
+    out.printf fmt, '--no-harm', 'only display what to do if given', 'off'
+    out.printf fmt, '--prefix=path',  'install path prefix', ''
+    out.puts
+  end
+
+  #
+  # Task Handlers
+  #
+
+  def exec_config
+    @installer.exec_config
+    @config.save   # must be final
+  end
+
+  def exec_setup
+    @installer.exec_setup
+  end
+
+  def exec_install
+    @installer.exec_install
+  end
+
+  def exec_test
+    @installer.exec_test
+  end
+
+  def exec_show
+    @config.each do |i|
+      printf "%-20s %s\n", i.name, i.value if i.value?
+    end
+  end
+
+  def exec_clean
+    @installer.exec_clean
+  end
+
+  def exec_distclean
+    @installer.exec_distclean
+  end
+
+end   # class ToplevelInstaller
+
+
+class ToplevelInstallerMulti < ToplevelInstaller
+
+  include FileOperations
+
+  def initialize(ardir_root, config)
+    super
+    @packages = directories_of("#{@ardir}/packages")
+    raise 'no package exists' if @packages.empty?
+    @root_installer = Installer.new(@config, @ardir, File.expand_path('.'))
+  end
+
+  def run_metaconfigs
+    @config.load_script "#{@ardir}/metaconfig", self
+    @packages.each do |name|
+      @config.load_script "#{@ardir}/packages/#{name}/metaconfig"
+    end
+  end
+
+  attr_reader :packages
+
+  def packages=(list)
+    raise 'package list is empty' if list.empty?
+    list.each do |name|
+      raise "directory packages/#{name} does not exist"\
+              unless File.dir?("#{@ardir}/packages/#{name}")
+    end
+    @packages = list
+  end
+
+  def init_installers
+    @installers = {}
+    @packages.each do |pack|
+      @installers[pack] = Installer.new(@config,
+                                       "#{@ardir}/packages/#{pack}",
+                                       "packages/#{pack}")
+    end
+    with    = extract_selection(config('with'))
+    without = extract_selection(config('without'))
+    @selected = @installers.keys.select {|name|
+                  (with.empty? or with.include?(name)) \
+                      and not without.include?(name)
+                }
+  end
+
+  def extract_selection(list)
+    a = list.split(/,/)
+    a.each do |name|
+      setup_rb_error "no such package: #{name}"  unless @installers.key?(name)
+    end
+    a
+  end
+
+  def print_usage(f)
+    super
+    f.puts 'Inluded packages:'
+    f.puts '  ' + @packages.sort.join(' ')
+    f.puts
+  end
+
+  #
+  # Task Handlers
+  #
+
+  def exec_config
+    run_hook 'pre-config'
+    each_selected_installers {|inst| inst.exec_config }
+    run_hook 'post-config'
+    @config.save   # must be final
+  end
+
+  def exec_setup
+    run_hook 'pre-setup'
+    each_selected_installers {|inst| inst.exec_setup }
+    run_hook 'post-setup'
+  end
+
+  def exec_install
+    run_hook 'pre-install'
+    each_selected_installers {|inst| inst.exec_install }
+    run_hook 'post-install'
+  end
+
+  def exec_test
+    run_hook 'pre-test'
+    each_selected_installers {|inst| inst.exec_test }
+    run_hook 'post-test'
+  end
+
+  def exec_clean
+    rm_f @config.savefile
+    run_hook 'pre-clean'
+    each_selected_installers {|inst| inst.exec_clean }
+    run_hook 'post-clean'
+  end
+
+  def exec_distclean
+    rm_f @config.savefile
+    run_hook 'pre-distclean'
+    each_selected_installers {|inst| inst.exec_distclean }
+    run_hook 'post-distclean'
+  end
+
+  #
+  # lib
+  #
+
+  def each_selected_installers
+    Dir.mkdir 'packages' unless File.dir?('packages')
+    @selected.each do |pack|
+      $stderr.puts "Processing the package `#{pack}' ..." if verbose?
+      Dir.mkdir "packages/#{pack}" unless File.dir?("packages/#{pack}")
+      Dir.chdir "packages/#{pack}"
+      yield @installers[pack]
+      Dir.chdir '../..'
+    end
+  end
+
+  def run_hook(id)
+    @root_installer.run_hook id
+  end
+
+  # module FileOperations requires this
+  def verbose?
+    @config.verbose?
+  end
+
+  # module FileOperations requires this
+  def no_harm?
+    @config.no_harm?
+  end
+
+end   # class ToplevelInstallerMulti
+
+
+class Installer
+
+  FILETYPES = %w( bin lib ext data conf man )
+
+  include FileOperations
+  include HookScriptAPI
+
+  def initialize(config, srcroot, objroot)
+    @config = config
+    @srcdir = File.expand_path(srcroot)
+    @objdir = File.expand_path(objroot)
+    @currdir = '.'
+  end
+
+  def inspect
+    "#<#{self.class} #{File.basename(@srcdir)}>"
+  end
+
+  def noop(rel)
+  end
+
+  #
+  # Hook Script API base methods
+  #
+
+  def srcdir_root
+    @srcdir
+  end
+
+  def objdir_root
+    @objdir
+  end
+
+  def relpath
+    @currdir
+  end
+
+  #
+  # Config Access
+  #
+
+  # module FileOperations requires this
+  def verbose?
+    @config.verbose?
+  end
+
+  # module FileOperations requires this
+  def no_harm?
+    @config.no_harm?
+  end
+
+  def verbose_off
+    begin
+      save, @config.verbose = @config.verbose?, false
+      yield
+    ensure
+      @config.verbose = save
+    end
+  end
+
+  #
+  # TASK config
+  #
+
+  def exec_config
+    exec_task_traverse 'config'
+  end
+
+  alias config_dir_bin noop
+  alias config_dir_lib noop
+
+  def config_dir_ext(rel)
+    extconf if extdir?(curr_srcdir())
+  end
+
+  alias config_dir_data noop
+  alias config_dir_conf noop
+  alias config_dir_man noop
+
+  def extconf
+    ruby "#{curr_srcdir()}/extconf.rb", *@config.config_opt
+  end
+
+  #
+  # TASK setup
+  #
+
+  def exec_setup
+    exec_task_traverse 'setup'
+  end
+
+  def setup_dir_bin(rel)
+    files_of(curr_srcdir()).each do |fname|
+      update_shebang_line "#{curr_srcdir()}/#{fname}"
+    end
+  end
+
+  alias setup_dir_lib noop
+
+  def setup_dir_ext(rel)
+    make if extdir?(curr_srcdir())
+  end
+
+  alias setup_dir_data noop
+  alias setup_dir_conf noop
+  alias setup_dir_man noop
+
+  def update_shebang_line(path)
+    return if no_harm?
+    return if config('shebang') == 'never'
+    old = Shebang.load(path)
+    if old
+      $stderr.puts "warning: #{path}: Shebang line includes too many args.  It is not portable and your program may not work." if old.args.size > 1
+      new = new_shebang(old)
+      return if new.to_s == old.to_s
+    else
+      return unless config('shebang') == 'all'
+      new = Shebang.new(config('rubypath'))
+    end
+    $stderr.puts "updating shebang: #{File.basename(path)}" if verbose?
+    open_atomic_writer(path) {|output|
+      File.open(path, 'rb') {|f|
+        f.gets if old   # discard
+        output.puts new.to_s
+        output.print f.read
+      }
+    }
+  end
+
+  def new_shebang(old)
+    if /\Aruby/ =~ File.basename(old.cmd)
+      Shebang.new(config('rubypath'), old.args)
+    elsif File.basename(old.cmd) == 'env' and old.args.first == 'ruby'
+      Shebang.new(config('rubypath'), old.args[1..-1])
+    else
+      return old unless config('shebang') == 'all'
+      Shebang.new(config('rubypath'))
+    end
+  end
+
+  def open_atomic_writer(path, &block)
+    tmpfile = File.basename(path) + '.tmp'
+    begin
+      File.open(tmpfile, 'wb', &block)
+      File.rename tmpfile, File.basename(path)
+    ensure
+      File.unlink tmpfile if File.exist?(tmpfile)
+    end
+  end
+
+  class Shebang
+    def Shebang.load(path)
+      line = nil
+      File.open(path) {|f|
+        line = f.gets
+      }
+      return nil unless /\A#!/ =~ line
+      parse(line)
+    end
+
+    def Shebang.parse(line)
+      cmd, *args = *line.strip.sub(/\A\#!/, '').split(' ')
+      new(cmd, args)
+    end
+
+    def initialize(cmd, args = [])
+      @cmd = cmd
+      @args = args
+    end
+
+    attr_reader :cmd
+    attr_reader :args
+
+    def to_s
+      "#! #{@cmd}" + (@args.empty? ? '' : " #{@args.join(' ')}")
+    end
+  end
+
+  #
+  # TASK install
+  #
+
+  def exec_install
+    rm_f 'InstalledFiles'
+    exec_task_traverse 'install'
+  end
+
+  def install_dir_bin(rel)
+    install_files targetfiles(), "#{config('bindir')}/#{rel}", 0755
+  end
+
+  def install_dir_lib(rel)
+    install_files libfiles(), "#{config('rbdir')}/#{rel}", 0644
+  end
+
+  def install_dir_ext(rel)
+    return unless extdir?(curr_srcdir())
+    install_files rubyextentions('.'),
+                  "#{config('sodir')}/#{File.dirname(rel)}",
+                  0555
+  end
+
+  def install_dir_data(rel)
+    install_files targetfiles(), "#{config('datadir')}/#{rel}", 0644
+  end
+
+  def install_dir_conf(rel)
+    # FIXME: should not remove current config files
+    # (rename previous file to .old/.org)
+    install_files targetfiles(), "#{config('sysconfdir')}/#{rel}", 0644
+  end
+
+  def install_dir_man(rel)
+    install_files targetfiles(), "#{config('mandir')}/#{rel}", 0644
+  end
+
+  def install_files(list, dest, mode)
+    mkdir_p dest, @config.install_prefix
+    list.each do |fname|
+      install fname, dest, mode, @config.install_prefix
+    end
+  end
+
+  def libfiles
+    glob_reject(%w(*.y *.output), targetfiles())
+  end
+
+  def rubyextentions(dir)
+    ents = glob_select("*.#{@config.dllext}", targetfiles())
+    if ents.empty?
+      setup_rb_error "no ruby extention exists: 'ruby #{$0} setup' first"
+    end
+    ents
+  end
+
+  def targetfiles
+    mapdir(existfiles() - hookfiles())
+  end
+
+  def mapdir(ents)
+    ents.map {|ent|
+      if File.exist?(ent)
+      then ent                         # objdir
+      else "#{curr_srcdir()}/#{ent}"   # srcdir
+      end
+    }
+  end
+
+  # picked up many entries from cvs-1.11.1/src/ignore.c
+  JUNK_FILES = %w( 
+    core RCSLOG tags TAGS .make.state
+    .nse_depinfo #* .#* cvslog.* ,* .del-* *.olb
+    *~ *.old *.bak *.BAK *.orig *.rej _$* *$
+
+    *.org *.in .*
+  )
+
+  def existfiles
+    glob_reject(JUNK_FILES, (files_of(curr_srcdir()) | files_of('.')))
+  end
+
+  def hookfiles
+    %w( pre-%s post-%s pre-%s.rb post-%s.rb ).map {|fmt|
+      %w( config setup install clean ).map {|t| sprintf(fmt, t) }
+    }.flatten
+  end
+
+  def glob_select(pat, ents)
+    re = globs2re([pat])
+    ents.select {|ent| re =~ ent }
+  end
+
+  def glob_reject(pats, ents)
+    re = globs2re(pats)
+    ents.reject {|ent| re =~ ent }
+  end
+
+  GLOB2REGEX = {
+    '.' => '\.',
+    '$' => '\$',
+    '#' => '\#',
+    '*' => '.*'
+  }
+
+  def globs2re(pats)
+    /\A(?:#{
+      pats.map {|pat| pat.gsub(/[\.\$\#\*]/) {|ch| GLOB2REGEX[ch] } }.join('|')
+    })\z/
+  end
+
+  #
+  # TASK test
+  #
+
+  TESTDIR = 'test'
+
+  def exec_test
+    unless File.directory?('test')
+      $stderr.puts 'no test in this package' if verbose?
+      return
+    end
+    $stderr.puts 'Running tests...' if verbose?
+    begin
+      require 'test/unit'
+    rescue LoadError
+      setup_rb_error 'test/unit cannot loaded.  You need Ruby 1.8 or later to invoke this task.'
+    end
+    runner = Test::Unit::AutoRunner.new(true)
+    runner.to_run << TESTDIR
+    runner.run
+  end
+
+  #
+  # TASK clean
+  #
+
+  def exec_clean
+    exec_task_traverse 'clean'
+    rm_f @config.savefile
+    rm_f 'InstalledFiles'
+  end
+
+  alias clean_dir_bin noop
+  alias clean_dir_lib noop
+  alias clean_dir_data noop
+  alias clean_dir_conf noop
+  alias clean_dir_man noop
+
+  def clean_dir_ext(rel)
+    return unless extdir?(curr_srcdir())
+    make 'clean' if File.file?('Makefile')
+  end
+
+  #
+  # TASK distclean
+  #
+
+  def exec_distclean
+    exec_task_traverse 'distclean'
+    rm_f @config.savefile
+    rm_f 'InstalledFiles'
+  end
+
+  alias distclean_dir_bin noop
+  alias distclean_dir_lib noop
+
+  def distclean_dir_ext(rel)
+    return unless extdir?(curr_srcdir())
+    make 'distclean' if File.file?('Makefile')
+  end
+
+  alias distclean_dir_data noop
+  alias distclean_dir_conf noop
+  alias distclean_dir_man noop
+
+  #
+  # Traversing
+  #
+
+  def exec_task_traverse(task)
+    run_hook "pre-#{task}"
+    FILETYPES.each do |type|
+      if type == 'ext' and config('without-ext') == 'yes'
+        $stderr.puts 'skipping ext/* by user option' if verbose?
+        next
+      end
+      traverse task, type, "#{task}_dir_#{type}"
+    end
+    run_hook "post-#{task}"
+  end
+
+  def traverse(task, rel, mid)
+    dive_into(rel) {
+      run_hook "pre-#{task}"
+      __send__ mid, rel.sub(%r[\A.*?(?:/|\z)], '')
+      directories_of(curr_srcdir()).each do |d|
+        traverse task, "#{rel}/#{d}", mid
+      end
+      run_hook "post-#{task}"
+    }
+  end
+
+  def dive_into(rel)
+    return unless File.dir?("#{@srcdir}/#{rel}")
+
+    dir = File.basename(rel)
+    Dir.mkdir dir unless File.dir?(dir)
+    prevdir = Dir.pwd
+    Dir.chdir dir
+    $stderr.puts '---> ' + rel if verbose?
+    @currdir = rel
+    yield
+    Dir.chdir prevdir
+    $stderr.puts '<--- ' + rel if verbose?
+    @currdir = File.dirname(rel)
+  end
+
+  def run_hook(id)
+    path = [ "#{curr_srcdir()}/#{id}",
+             "#{curr_srcdir()}/#{id}.rb" ].detect {|cand| File.file?(cand) }
+    return unless path
+    begin
+      instance_eval File.read(path), path, 1
+    rescue
+      raise if $DEBUG
+      setup_rb_error "hook #{path} failed:\n" + $!.message
+    end
+  end
+
+end   # class Installer
+
+
+class SetupError < StandardError; end
+
+def setup_rb_error(msg)
+  raise SetupError, msg
+end
+
+if $0 == __FILE__
+  begin
+    ToplevelInstaller.invoke
+  rescue SetupError
+    raise if $DEBUG
+    $stderr.puts $!.message
+    $stderr.puts "Try 'ruby #{$0} --help' for detailed usage."
+    exit 1
+  end
+end


Property changes on: packages-wip/libfastthread-ruby/branches/upstream/current/setup.rb
___________________________________________________________________
Name: svn:executable
   + 

Added: packages-wip/libfastthread-ruby/branches/upstream/current/test/test_all.rb
===================================================================
--- packages-wip/libfastthread-ruby/branches/upstream/current/test/test_all.rb	                        (rev 0)
+++ packages-wip/libfastthread-ruby/branches/upstream/current/test/test_all.rb	2007-12-07 21:39:24 UTC (rev 2114)
@@ -0,0 +1,6 @@
+require 'test/unit'
+$:.unshift File.expand_path( File.dirname( __FILE__ ) )
+require 'test_mutex'
+require 'test_condvar'
+require 'test_queue'
+

Added: packages-wip/libfastthread-ruby/branches/upstream/current/test/test_condvar.rb
===================================================================
--- packages-wip/libfastthread-ruby/branches/upstream/current/test/test_condvar.rb	                        (rev 0)
+++ packages-wip/libfastthread-ruby/branches/upstream/current/test/test_condvar.rb	2007-12-07 21:39:24 UTC (rev 2114)
@@ -0,0 +1,34 @@
+require 'test/unit'
+require 'thread'
+if RUBY_PLATFORM != "java"
+  $:.unshift File.expand_path( File.join( File.dirname( __FILE__ ), "../ext/fastthread" ) )
+  require 'fastthread'
+end
+
+class TestCondVar < Test::Unit::TestCase
+  def test_signal
+    s = ""
+    m = Mutex.new
+    cv = ConditionVariable.new
+    ready = false
+
+    t = Thread.new do
+      nil until ( Thread.pass ; m.synchronize { ready } )
+      m.synchronize { s << "b" }
+      cv.signal
+    end
+
+    m.synchronize do
+      s << "a"
+      ready = true
+      cv.wait m
+      assert m.locked?
+      s << "c"
+    end
+
+    t.join
+
+    assert_equal "abc", s
+  end
+end 
+

Added: packages-wip/libfastthread-ruby/branches/upstream/current/test/test_mutex.rb
===================================================================
--- packages-wip/libfastthread-ruby/branches/upstream/current/test/test_mutex.rb	                        (rev 0)
+++ packages-wip/libfastthread-ruby/branches/upstream/current/test/test_mutex.rb	2007-12-07 21:39:24 UTC (rev 2114)
@@ -0,0 +1,74 @@
+require 'test/unit'
+require 'thread'
+if RUBY_PLATFORM != "java"
+  $:.unshift File.expand_path( File.join( File.dirname( __FILE__ ), "../ext/fastthread" ) )
+  require 'fastthread'
+end
+
+class TestMutex < Test::Unit::TestCase
+  def self.mutex_test( name, &body )
+    define_method( "test_#{ name }" ) do
+      body.call( self, Mutex.new, "" )
+    end
+    # at one time we also tested Mutex_m here, but it's no longer
+    # part of fastthread
+  end
+
+  mutex_test( :locked_p ) do |test, m, prefix|
+    test.instance_eval do
+      assert_equal false, m.send( "#{ prefix }locked?" )
+      m.send "#{ prefix }lock"
+      assert_equal true, m.send( "#{ prefix }locked?" )
+      m.send "#{ prefix }unlock"
+      assert_equal false, m.send( "#{ prefix }locked?" )
+    end
+  end
+
+  mutex_test( :synchronize ) do |test, m, prefix|
+    test.instance_eval do
+      assert !m.send( "#{ prefix }locked?" )
+      m.send "#{ prefix }synchronize" do
+        assert m.send( "#{ prefix }locked?" )
+      end
+      assert !m.send( "#{ prefix }locked?" )
+    end
+  end
+
+  mutex_test( :synchronize_exception ) do |test, m, prefix|
+    test.instance_eval do
+      assert !m.send( "#{ prefix }locked?" )
+      assert_raise ArgumentError do
+        m.send "#{ prefix }synchronize" do
+          assert m.send( "#{ prefix }locked?" )
+          raise ArgumentError
+        end
+      end
+      assert !m.send( "#{ prefix }locked?" )
+    end
+  end
+
+  mutex_test( :mutual_exclusion ) do |test, m, prefix|
+    test.instance_eval do
+      s = ""
+
+      ("a".."c").map do |c|
+        Thread.new do
+          Thread.pass
+          5.times do
+            m.send "#{ prefix }synchronize" do
+              s << c
+              Thread.pass
+              s << c
+            end
+          end
+        end
+      end.each do |thread|
+        thread.join
+      end
+
+      assert_equal 30, s.length
+      assert s.match( /^(aa|bb|cc)+$/ )
+    end
+  end
+end 
+

Added: packages-wip/libfastthread-ruby/branches/upstream/current/test/test_queue.rb
===================================================================
--- packages-wip/libfastthread-ruby/branches/upstream/current/test/test_queue.rb	                        (rev 0)
+++ packages-wip/libfastthread-ruby/branches/upstream/current/test/test_queue.rb	2007-12-07 21:39:24 UTC (rev 2114)
@@ -0,0 +1,79 @@
+require 'test/unit'
+require 'thread'
+if RUBY_PLATFORM != "java"
+  $:.unshift File.expand_path( File.join( File.dirname( __FILE__ ), "../ext/fastthread" ) )
+  require 'fastthread'
+end
+
+class TestQueue < Test::Unit::TestCase
+  def check_sequence( q )
+    range = "a".."f"
+
+    s = ""
+    e = nil
+
+    t = Thread.new do
+      begin
+        for c in range
+          q.push c
+          s << c
+          Thread.pass
+        end
+      rescue Exception => e
+      end
+    end
+
+    for c in range
+      unless t.alive?
+        raise e if e
+        assert_equal range.to_a.join, s, "expected all values pushed"
+      end
+      x = q.shift
+      assert_equal c, x, "sequence error: expected #{ c } but got #{ x }"
+    end
+  end
+
+  def test_queue
+    check_sequence( Queue.new )
+  end
+
+  def test_sized_queue_full
+    check_sequence( SizedQueue.new( 6 ) )
+  end
+
+  def test_sized_queue_half
+    check_sequence( SizedQueue.new( 3 ) )
+  end
+
+  def test_sized_queue_one
+    check_sequence( SizedQueue.new( 1 ) )
+  end
+
+  def check_serialization( k, *args )
+    q1 = k.new *args
+    %w(a b c d e f).each { |c| q1.push c }
+    q2 = Marshal.load(Marshal.dump(q1))
+    assert( ( q1.size == q2.size ), "queues are same size" )
+    q1.size.times do
+      assert( ( q1.pop == q2.pop ), "same data" )
+    end
+    [ q1, q2 ]
+  end
+
+  def test_queue_serialization
+    check_serialization Queue
+  end
+
+  def test_sized_queue_serialization
+    (q1, q2) = check_serialization SizedQueue, 20
+    assert( ( q1.max == q2.max ), "maximum sizes equal" )
+  end
+
+  def test_sized_queue_size
+    q = SizedQueue.new 3
+    assert_equal 3, q.max, "queue has expected max (3)"
+    q.max = 5
+    assert_equal 5, q.max, "queue has expected max (5)"
+  end
+end 
+




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