1 files changed, 20 insertions, 0 deletions
diff --git a/libc/signal/signal.c b/libc/signal/signal.c
new file mode 100644
index 000000000..62af55f38
--- /dev/null
+++ b/libc/signal/signal.c
@@ -0,0 +1,20 @@
+#include <string.h>
+#include <signal.h>
+
+__sighandler_t
+__signal (int sig, __sighandler_t handler, int flags)
+{
+  int ret;
+  struct sigaction action, oaction;
+  memset(&action, 0, sizeof(struct sigaction));
+  action.sa_handler = handler;
+  action.sa_flags = flags;
+  ret = sigaction (sig, &action, &oaction); 
+  return (ret == -1) ? SIG_ERR : oaction.sa_handler;
+}
+
+__sighandler_t
+signal (int sig, __sighandler_t handler)
+{
+  return __signal(sig, handler, (SA_ONESHOT | SA_NOMASK | SA_INTERRUPT) & ~SA_RESTART);
+}