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| author | Keith Seitz <keiths@redhat.com> | 2007-04-23 21:10:09 +0000 |
|---|---|---|
| committer | Ivan Maidanski <ivmai@mail.ru> | 2015-11-20 01:34:53 +0300 |
| commit | d34d5b53d67b3ef6fa2d70a945e21f023cb9e3e7 (patch) | |
| tree | 669d8261eb05049a21e21afee885c79b92473771 | |
| parent | 0dae57c4db20c1ebc22d8cc6e9ed0531f6c12652 (diff) | |
| download | bdwgc-d34d5b53d67b3ef6fa2d70a945e21f023cb9e3e7.tar.gz | |
Add GC_is_thread_suspended API function
(Cherry-picked commit 30c2f0e from 'gcc_boehmgc' branch.)
* include/gc.h (GC_is_thread_suspended): Declare.
* pthread_stop_world.c (GC_is_thread_suspended): New function.
Conflicts:
* ChangeLog
* include/gc.h
* pthread_stop_world.c
| -rw-r--r-- | include/gc.h | 1 | ||||
| -rw-r--r-- | pthread_stop_world.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/gc.h b/include/gc.h index d9f4e397..f8f764e1 100644 --- a/include/gc.h +++ b/include/gc.h @@ -1921,6 +1921,7 @@ GC_API void GC_CALL GC_win32_free_heap(void); && !defined(GC_WIN32_THREADS) && !defined(GC_DARWIN_THREADS) GC_API void GC_suspend_thread(pthread_t); GC_API void GC_resume_thread(pthread_t); +GC_API int GC_is_thread_suspended(pthread_t); #endif #ifdef __cplusplus diff --git a/pthread_stop_world.c b/pthread_stop_world.c index f9e86c55..d8096332 100644 --- a/pthread_stop_world.c +++ b/pthread_stop_world.c @@ -412,6 +412,14 @@ void GC_resume_thread(pthread_t thread) { t -> flags &= ~SUSPENDED_EXT; } +int GC_is_thread_suspended(pthread_t thread) { + GC_thread t = GC_lookup_thread(thread); + if (t == NULL) + ABORT("querying suspension state of unknown thread"); + + return (t -> flags & SUSPENDED_EXT); +} + #endif /* !GC_OPENBSD_UTHREADS && !NACL */ #ifdef IA64 |