diff options
| -rw-r--r-- | src/alloca/needstack.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/alloca/needstack.c b/src/alloca/needstack.c index 9fce7c2..149914c 100644 --- a/src/alloca/needstack.c +++ b/src/alloca/needstack.c @@ -54,6 +54,9 @@ int stack_will_overflow(intptr_t n) sigset_t new_mask; void* old_sigsegv_handler; + if (sigemptyset(&new_mask) || sigaddset(&new_mask, SIGSEGV)) + return 1; + old_sigsegv_handler = signal(SIGSEGV, SIG_DFL); if (old_sigsegv_handler == SIG_ERR) return 1; |