X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fsignal%2Fsigaction.c;h=d9535032d89d960f170e6b457b80cf86e8d5ad62;hb=7669d1e334e6b96455eece78da43bf830b93d697;hp=2331dc93b6886a3abe9b141c16f350fa519aa974;hpb=400c5e5c8307a2ebe44ef1f203f5a15669f20347;p=musl

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) {