1 files changed, 11 insertions, 0 deletions
diff --git a/src/signal/sighold.c b/src/signal/sighold.c
new file mode 100644
index 00000000..5b0f6b18
--- /dev/null
+++ b/src/signal/sighold.c
@@ -0,0 +1,11 @@
+#include <signal.h>
+#include <stdlib.h>
+
+int sighold(int sig)
+{
+	sigset_t mask;
+
+	sigemptyset(&mask);
+	if (sigaddset(&mask, sig) < 0) return -1;
+	return sigprocmask(SIG_BLOCK, &mask, NULL);
+}