From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001
From: Vladimir Azarov <avm@intermediate-node.net>
Date: Tue, 1 Oct 2024 15:47:05 +0200
Subject: Initial version

---
 src/signal/sighold.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 src/signal/sighold.c

(limited to 'src/signal/sighold.c')

diff --git a/src/signal/sighold.c b/src/signal/sighold.c
new file mode 100644
index 0000000..cfa2306
--- /dev/null
+++ b/src/signal/sighold.c
@@ -0,0 +1,10 @@
+#include <signal.h>
+
+int sighold(int sig)
+{
+	sigset_t mask;
+
+	sigemptyset(&mask);
+	if (sigaddset(&mask, sig) < 0) return -1;
+	return sigprocmask(SIG_BLOCK, &mask, 0);
+}
-- 
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