X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fsignal%2Fsigaction.c;h=5bc9383b66f34ed6f57e6d1f6a56bc57b8a8dc3c;hb=6255c4c6a5599724d18311a7776aebe67f8e6d4a;hp=3d374e1f45bf661a7a278fc1ba060ada8e3e6735;hpb=aa398f56fa398f2202b04e82c67f822f3233786f;p=musl

diff --git a/src/signal/sigaction.c b/src/signal/sigaction.c
index 3d374e1f..5bc9383b 100644
--- a/src/signal/sigaction.c
+++ b/src/signal/sigaction.c
@@ -3,9 +3,13 @@
 #include <errno.h>
 #include "syscall.h"
 #include "pthread_impl.h"
+#include "libc.h"
 
 void __restore(), __restore_rt();
 
+static pthread_t dummy(void) { return 0; }
+weak_alias(dummy, __pthread_self_def);
+
 int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
 {
 	struct {
@@ -23,6 +27,7 @@ int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
 		pksa = (long)&ksa;
 	}
 	if (old) pkold = (long)&kold;
+	__pthread_self_def();
 	if (syscall(SYS_rt_sigaction, sig, pksa, pkold, 8))
 		return -1;
 	if (old) {
@@ -35,7 +40,7 @@ int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
 
 int __sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
 {
-	if (sig == SIGCANCEL || sig == SIGSYSCALL) {
+	if (sig-32U < 3) {
 		errno = EINVAL;
 		return -1;
 	}