diff options
Diffstat (limited to 'lib/libc/stdlib/abort.c')
| -rw-r--r-- | lib/libc/stdlib/abort.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/lib/libc/stdlib/abort.c b/lib/libc/stdlib/abort.c index e56e7e9..4fd34dc 100644 --- a/lib/libc/stdlib/abort.c +++ b/lib/libc/stdlib/abort.c @@ -35,31 +35,52 @@ static char sccsid[] = "@(#)abort.c 8.1 (Berkeley) 6/4/93"; #endif /* LIBC_SCCS and not lint */ -#include <sys/signal.h> +#include <signal.h> #include <stdlib.h> #include <stddef.h> #include <unistd.h> +#ifdef _THREAD_SAFE +#include <pthread.h> +#include "pthread_private.h" +#endif + +void (*__cleanup)(); void abort() { sigset_t mask; + /* + * POSIX requires we flush stdio buffers on abort + */ + if (__cleanup) + (*__cleanup)(); + sigfillset(&mask); /* * don't block SIGABRT to give any handler a chance; we ignore * any errors -- X311J doesn't allow abort to return anyway. */ sigdelset(&mask, SIGABRT); +#ifdef _THREAD_SAFE + (void) _thread_sys_sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL); +#else (void)sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL); +#endif (void)kill(getpid(), SIGABRT); /* * if SIGABRT ignored, or caught and the handler returns, do * it again, only harder. */ +#ifdef _THREAD_SAFE + (void) _thread_sys_signal(SIGABRT, SIG_DFL); + (void) _thread_sys_sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL); +#else (void)signal(SIGABRT, SIG_DFL); (void)sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL); +#endif (void)kill(getpid(), SIGABRT); exit(1); } |
