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--- origsrc/gcc-4.7.2/boehm-gc/win32_threads.c 2009-05-17 21:07:18.000000000 +0100
+++ src/gcc-4.7.2/boehm-gc/win32_threads.c 2013-03-31 19:34:57.203125000 +0100
@@ -707,6 +707,54 @@ void * GC_start_routine(void * arg)
return(result);
}
+void GC_register_my_thread()
+{
+ GC_thread me;
+ pthread_t my_pthread;
+
+ my_pthread = pthread_self();
+# if DEBUG_CYGWIN_THREADS
+ GC_printf1("Attaching thread 0x%lx\n", my_pthread);
+ GC_printf1("pid = %ld\n", (long) getpid());
+# endif
+
+ /* Check to ensure this thread isn't attached already. */
+ LOCK();
+ me = GC_lookup_thread (my_pthread);
+ UNLOCK();
+ if (me != 0)
+ {
+# if DEBUG_CYGWIN_THREADS
+ GC_printf1("Attempt to re-attach known thread 0x%lx\n", my_pthread);
+# endif
+ return;
+ }
+
+ LOCK();
+ me = GC_new_thread();
+ me -> flags |= DETACHED;
+ me -> pthread_id = pthread_self();
+ UNLOCK();
+}
+
+void GC_unregister_my_thread()
+{
+ pthread_t my_pthread;
+ GC_thread me;
+
+ my_pthread = pthread_self();
+
+# if DEBUG_CYGWIN_THREADS
+ GC_printf1("Detaching thread 0x%lx\n", my_pthread);
+# endif
+
+ LOCK();
+ me = GC_lookup_thread(my_pthread);
+ UNLOCK();
+ GC_thread_exit_proc ((void *)me);
+}
+
+
void GC_thread_exit_proc(void *arg)
{
GC_thread me = (GC_thread)arg;
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