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/sigandset.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 src/signal/sigandset.c

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

diff --git a/src/signal/sigandset.c b/src/signal/sigandset.c
new file mode 100644
index 0000000..974186f
--- /dev/null
+++ b/src/signal/sigandset.c
@@ -0,0 +1,12 @@
+#define _GNU_SOURCE
+#include <signal.h>
+
+#define SST_SIZE (_NSIG/8/sizeof(long))
+
+int sigandset(sigset_t *dest, const sigset_t *left, const sigset_t *right)
+{
+	unsigned long i = 0, *d = (void*) dest, *l = (void*) left, *r = (void*) right;
+	for(; i < SST_SIZE; i++) d[i] = l[i] & r[i];
+	return 0;
+}
+
-- 
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