X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fsignal%2Fsigaction.c;h=18956c6b24a84724143df86e1679fcc52a683620;hb=8aeee8db21858becb45a8e9f6b5bc23109638bcb;hp=9a362262174c8838f52f7bf9d7023f0aeec445ce;hpb=e1d8d25a5024ec7832250e62825aab71ed8a253d;p=musl

diff --git a/src/signal/sigaction.c b/src/signal/sigaction.c
index 9a362262..18956c6b 100644
--- a/src/signal/sigaction.c
+++ b/src/signal/sigaction.c
@@ -4,10 +4,7 @@
 #include "syscall.h"
 #include "pthread_impl.h"
 
-static void restorer()
-{
-	syscall0(__NR_rt_sigreturn);
-}
+void __restore(), __restore_rt();
 
 int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
 {
@@ -21,12 +18,12 @@ int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
 	if (sa) {
 		ksa.handler = sa->sa_handler;
 		ksa.flags = sa->sa_flags | SA_RESTORER;
-		ksa.restorer = restorer;
+		ksa.restorer = (sa->sa_flags & SA_SIGINFO) ? __restore_rt : __restore;
 		ksa.mask = sa->sa_mask;
 		pksa = (long)&ksa;
 	}
 	if (old) pkold = (long)&kold;
-	if (syscall4(__NR_rt_sigaction, sig, pksa, pkold, 8))
+	if (syscall(SYS_rt_sigaction, sig, pksa, pkold, 8))
 		return -1;
 	if (old) {
 		old->sa_handler = kold.handler;
@@ -38,7 +35,7 @@ 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;
 	}