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-rw-r--r--libc/sysdeps/linux/i386/sigaction.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/i386/sigaction.c b/libc/sysdeps/linux/i386/sigaction.c
index cf6daa787..515ef99f2 100644
--- a/libc/sysdeps/linux/i386/sigaction.c
+++ b/libc/sysdeps/linux/i386/sigaction.c
@@ -31,15 +31,16 @@
extern void restore_rt(void) __asm__ ("__restore_rt") attribute_hidden;
extern void restore(void) __asm__ ("__restore") attribute_hidden;
-/* If ACT is not NULL, change the action for SIG to *ACT.
+/* If ACT is not NULL, change mask, handler and flags for SIG to ACT's
If OACT is not NULL, put the old action for SIG in *OACT. */
int __libc_sigaction(int sig, const struct sigaction *act, struct sigaction *oact)
{
struct sigaction kact;
if (act) {
- memcpy(&kact, act, sizeof(kact));
- kact.sa_flags |= SA_RESTORER;
+ memcpy(&kact.sa_mask, &act->sa_mask, sizeof(sigset_t));
+ kact.sa_handler = act->sa_handler;
+ kact.sa_flags = act->sa_flags;
kact.sa_restorer = (act->sa_flags & SA_SIGINFO) ? &restore_rt : &restore;
act = &kact;
}