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-rw-r--r--src/signal/sigprocmask.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/src/signal/sigprocmask.c b/src/signal/sigprocmask.c
index 3f003afb..67e2b82e 100644
--- a/src/signal/sigprocmask.c
+++ b/src/signal/sigprocmask.c
@@ -1,14 +1,10 @@
 #include <signal.h>
 #include <errno.h>
-#include "syscall.h"
-#include "libc.h"
-#include "pthread_impl.h"
 
 int sigprocmask(int how, const sigset_t *set, sigset_t *old)
 {
-	if (how > 2U) {
-		errno = EINVAL;
-		return -1;
-	}
-	return syscall(SYS_rt_sigprocmask, how, set, old, 8);
+	int r = pthread_sigmask(how, set, old);
+	if (!r) return r;
+	errno = r;
+	return -1;
 }