diff options
Diffstat (limited to 'newlib/libc/stdlib/__call_atexit.c')
| -rw-r--r-- | newlib/libc/stdlib/__call_atexit.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/newlib/libc/stdlib/__call_atexit.c b/newlib/libc/stdlib/__call_atexit.c index e7f956184..1e2a9f5fa 100644 --- a/newlib/libc/stdlib/__call_atexit.c +++ b/newlib/libc/stdlib/__call_atexit.c @@ -10,6 +10,10 @@ /* Make this a weak reference to avoid pulling in free. */ void free(void *) _ATTRIBUTE((__weak__)); +#ifndef __SINGLE_THREAD__ +extern _LOCK_T __atexit_lock; +#endif + /* * Call registered exit handlers. If D is null then all handlers are called, * otherwise only the handlers from that DSO are called. @@ -26,6 +30,11 @@ _DEFUN (__call_exitprocs, (code, d), int i; void (*fn) (void); + +#ifndef __SINGLE_THREAD__ + __lock_acquire(__atexit_lock); +#endif + restart: p = _GLOBAL_REENT->_atexit; @@ -104,4 +113,8 @@ _DEFUN (__call_exitprocs, (code, d), } #endif } +#ifndef __SINGLE_THREAD__ + __lock_release(__atexit_lock); +#endif + } |