diff options
| -rw-r--r-- | src/exit/abort.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/exit/abort.c b/src/exit/abort.c index ecc0f735..5e5a87c3 100644 --- a/src/exit/abort.c +++ b/src/exit/abort.c @@ -1,13 +1,31 @@ #include <stdlib.h> #include <signal.h> +#include <string.h> #include "syscall.h" #include "pthread_impl.h" #include "atomic.h" _Noreturn void abort(void) { + struct sigaction abrtaction; + sigset_t abrtset; + raise(SIGABRT); __block_all_sigs(0); + + /* Unblock just SIGABRT, and set default handler */ + sigemptyset(&abrtset); + sigaddset(&abrtset, SIGABRT); + sigprocmask(SIG_UNBLOCK, &abrtset, 0); + + memset(&abrtaction, 0, sizeof(struct sigaction)); + abrtaction.sa_handler = SIG_DFL; + + sigaction(SIGABRT, &abrtaction, NULL); + + raise(SIGABRT); + + /* Ok, give up. */ a_crash(); raise(SIGKILL); _Exit(127); |