X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Fsignal%2Fsigaction.c;h=5bc9383b66f34ed6f57e6d1f6a56bc57b8a8dc3c;hb=bc63e4fa2c9302c422e3bebd2653e4e36ee6372b;hp=b1603b9f4772e8b6e30625b4d8c1ca3fa7626cf4;hpb=dc3776d445957cd3ea4a682db518701b93d34292;p=musl

diff --git a/src/signal/sigaction.c b/src/signal/sigaction.c
index b1603b9f..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 {
@@ -23,7 +27,8 @@ int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
 		pksa = (long)&ksa;
 	}
 	if (old) pkold = (long)&kold;
-	if (syscall4(__NR_rt_sigaction, sig, pksa, pkold, 8))
+	__pthread_self_def();
+	if (syscall(SYS_rt_sigaction, sig, pksa, pkold, 8))
 		return -1;
 	if (old) {
 		old->sa_handler = kold.handler;
@@ -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;
 	}