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-rw-r--r--src/signal/sigaction.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/signal/sigaction.c b/src/signal/sigaction.c
index 2203471b..e45308fa 100644
--- a/src/signal/sigaction.c
+++ b/src/signal/sigaction.c
@@ -44,8 +44,11 @@ int __libc_sigaction(int sig, const struct sigaction *restrict sa, struct sigact
}
}
ksa.handler = sa->sa_handler;
- ksa.flags = sa->sa_flags | SA_RESTORER;
+ ksa.flags = sa->sa_flags;
+#ifdef SA_RESTORER
+ ksa.flags |= SA_RESTORER;
ksa.restorer = (sa->sa_flags & SA_SIGINFO) ? __restore_rt : __restore;
+#endif
memcpy(&ksa.mask, &sa->sa_mask, _NSIG/8);
}
int r = __syscall(SYS_rt_sigaction, sig, sa?&ksa:0, old?&ksa_old:0, _NSIG/8);