diff options
| author |   otto <otto@openbsd.org> | 2006-02-22 07:16:31 +0000 |
|---|---|---|
| committer | otto <otto@openbsd.org> | 2006-02-22 07:16:31 +0000 |
| commit | 882a3f0680aa778b013f4c220223d00b28019a86 (patch) | |
| tree | 0862b8b2a97ace2964bdca1d67de26262731407e /lib/libc/include | |
| parent | Expect PMU_INT_SNDBRT while resetting the adb bus; although this brings the (diff) | |
| download | wireguard-openbsd-882a3f0680aa778b013f4c220223d00b28019a86.tar.xz wireguard-openbsd-882a3f0680aa778b013f4c220223d00b28019a86.zip | |
Avouid a race in atexit() handling by introducing a lock. Problem
originally reported by Gergely Kovacs; help from dhartmei@;
ok tedu@ millert@
Diffstat (limited to 'lib/libc/include')
| -rw-r--r-- | lib/libc/include/thread_private.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/lib/libc/include/thread_private.h b/lib/libc/include/thread_private.h index 9fbadce008e..5fbbf592a41 100644 --- a/lib/libc/include/thread_private.h +++ b/lib/libc/include/thread_private.h @@ -1,4 +1,4 @@ -/* $OpenBSD: thread_private.h,v 1.17 2005/11/15 11:56:40 millert Exp $ */ +/* $OpenBSD: thread_private.h,v 1.18 2006/02/22 07:16:31 otto Exp $ */ /* PUBLIC DOMAIN: No Rights Reserved. Marco S Hyman <marc@snafu.org> */ @@ -123,5 +123,16 @@ void _thread_malloc_unlock(void); _thread_malloc_init();\ } while (0) +void _thread_atexit_lock(void); +void _thread_atexit_unlock(void); + +#define _ATEXIT_LOCK() do { \ + if (__isthreaded) \ + _thread_atexit_lock(); \ + } while (0) +#define _ATEXIT_UNLOCK() do { \ + if (__isthreaded) \ + _thread_atexit_unlock();\ + } while (0) #endif /* _THREAD_PRIVATE_H_ */ |