[macruby-changes] [4422] MacRuby/trunk/thread.c

[source_changes at macosforge.org]

Revision: 4422
          http://trac.macosforge.org/projects/ruby/changeset/4422
Author:   martinlagardette at apple.com
Date:     2010-08-11 13:42:44 -0700 (Wed, 11 Aug 2010)
Log Message:
-----------
`Mutex#try_unlock`: Add the mutex to the current thread mutexes on success

 - Fixes #847

Modified Paths:
--------------
    MacRuby/trunk/thread.c

Modified: MacRuby/trunk/thread.c
===================================================================
--- MacRuby/trunk/thread.c	2010-08-11 01:55:41 UTC (rev 4421)
+++ MacRuby/trunk/thread.c	2010-08-11 20:42:44 UTC (rev 4422)
@@ -1363,10 +1363,18 @@
 static VALUE
 rb_mutex_trylock(VALUE self, SEL sel)
 {
-    if (pthread_mutex_trylock(&GetMutexPtr(self)->mutex) == 0) {
-	GetMutexPtr(self)->thread = GetThreadPtr(rb_vm_current_thread());
+    rb_vm_mutex_t *m = GetMutexPtr(self);
+
+    if (pthread_mutex_trylock(&m->mutex) == 0) {
+	rb_vm_thread_t *current = GetThreadPtr(rb_vm_current_thread());
+	m->thread = current;
+	if (current->mutexes == Qnil) {
+	    GC_WB(&current->mutexes, rb_ary_new());
+	}
+	rb_ary_push(current->mutexes, self);
 	return Qtrue;
     }
+
     return Qfalse;
 }
 
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