diff options
| -rw-r--r-- | src/signal/sigaction.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/signal/sigaction.c b/src/signal/sigaction.c index 2331dc93..d9535032 100644 --- a/src/signal/sigaction.c +++ b/src/signal/sigaction.c @@ -15,12 +15,13 @@ int __libc_sigaction(int sig, const struct sigaction *restrict sa, struct sigact { struct k_sigaction ksa; if (sa) { + if ((uintptr_t)sa->sa_handler > 1UL) + __pthread_self_def(); ksa.handler = sa->sa_handler; ksa.flags = sa->sa_flags | SA_RESTORER; ksa.restorer = (sa->sa_flags & SA_SIGINFO) ? __restore_rt : __restore; memcpy(&ksa.mask, &sa->sa_mask, sizeof ksa.mask); } - __pthread_self_def(); if (syscall(SYS_rt_sigaction, sig, sa?&ksa:0, old?&ksa:0, sizeof ksa.mask)) return -1; if (old) { |