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authortromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>2001-05-20 22:36:34 +0000
committertromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>2001-05-20 22:36:34 +0000
commit0d489dae6cc0356ddfeaaf78805bf015486b543e (patch)
treebb912f33fd2185851d06bbae554211ac338240ff /boehm-gc/linux_threads.c
parentb1ff8ab1599b3b2a32fc7aa82166b29a3ac11545 (diff)
downloadgcc-0d489dae6cc0356ddfeaaf78805bf015486b543e.tar.gz
* configure.host: Build with -fexceptions.
* linux_threads.c: Remember which thread stopped world for git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@42362 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'boehm-gc/linux_threads.c')
-rw-r--r--boehm-gc/linux_threads.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/boehm-gc/linux_threads.c b/boehm-gc/linux_threads.c
index 2c856f567a0..92da410e3da 100644
--- a/boehm-gc/linux_threads.c
+++ b/boehm-gc/linux_threads.c
@@ -326,6 +326,11 @@ GC_thread GC_lookup_thread(pthread_t id)
return(p);
}
+/* There seems to be a very rare thread stopping problem. To help us */
+/* debug that, we save the ids of the stopping thread. */
+pthread_t GC_stopping_thread;
+int GC_stopping_pid;
+
/* Caller holds allocation lock. */
void GC_stop_world()
{
@@ -335,6 +340,8 @@ void GC_stop_world()
register int n_live_threads = 0;
register int result;
+ GC_stopping_thread = my_thread; /* debugging only. */
+ GC_stopping_pid = getpid(); /* debugging only. */
for (i = 0; i < THREAD_TABLE_SZ; i++) {
for (p = GC_threads[i]; p != 0; p = p -> next) {
if (p -> id != my_thread) {
@@ -403,6 +410,7 @@ void GC_start_world()
#if DEBUG_THREADS
GC_printf0("World started\n");
#endif
+ GC_stopping_thread = 0; /* debugging only */
}
# ifdef IA64