X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fsignal%2Fsigprocmask.c;h=3f003afbef890b8965dd17c45db50787246ca89e;hp=1bc5baa6c88809d49b7bf861c2b611ef4a370e1e;hb=e8dbf00a789e3b56ca6c3d88e8048b7b2c18b797;hpb=96f2197494791f5884c01b5caa908074cc7e90a6

diff --git a/src/signal/sigprocmask.c b/src/signal/sigprocmask.c
index 1bc5baa6..3f003afb 100644
--- a/src/signal/sigprocmask.c
+++ b/src/signal/sigprocmask.c
@@ -1,25 +1,14 @@
 #include <signal.h>
+#include <errno.h>
 #include "syscall.h"
 #include "libc.h"
 #include "pthread_impl.h"
 
-int __libc_sigprocmask(int how, const sigset_t *set, sigset_t *old)
+int sigprocmask(int how, const sigset_t *set, sigset_t *old)
 {
-	return syscall4(__NR_rt_sigprocmask, how, (long)set, (long)old, 8);
-}
-
-int __sigprocmask(int how, const sigset_t *set, sigset_t *old)
-{
-	sigset_t tmp;
-	/* Disallow blocking thread control signals */
-	if (set && how != SIG_UNBLOCK) {
-		tmp = *set;
-		set = &tmp;
-		sigdelset(&tmp, SIGCANCEL);
-		sigdelset(&tmp, SIGSYSCALL);
+	if (how > 2U) {
+		errno = EINVAL;
+		return -1;
 	}
-	return __libc_sigprocmask(how, set, old);
+	return syscall(SYS_rt_sigprocmask, how, set, old, 8);
 }
-
-weak_alias(__sigprocmask, sigprocmask);
-weak_alias(__sigprocmask, pthread_sigmask);