1 files changed, 15 insertions, 0 deletions
diff --git a/lib/libc/signal/sysv_signal.c b/lib/libc/signal/sysv_signal.c
new file mode 100644
index 00000000..2aa0221a
--- /dev/null
+++ b/lib/libc/signal/sysv_signal.c
@@ -0,0 +1,15 @@
+#include <signal.h>
+
+sighandler_t sysv_signal(int signum, sighandler_t handler)
+{
+	struct sigaction new_action, old_action;
+
+	new_action.sa_handler = handler;
+	sigemptyset(&new_action.sa_mask);
+	new_action.sa_flags = 0;
+
+	if (sigaction(signum, &new_action, &old_action) < 0)
+		return SIG_ERR;
+
+	return old_action.sa_handler;
+}