summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/signal/sigaction.c3
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) {