From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 12 Feb 2011 00:22:29 -0500
Subject: initial check-in, version 0.5.0

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

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

diff --git a/src/signal/siglongjmp.c b/src/signal/siglongjmp.c
new file mode 100644
index 00000000..33ac30ea
--- /dev/null
+++ b/src/signal/siglongjmp.c
@@ -0,0 +1,12 @@
+#include <setjmp.h>
+#include <signal.h>
+#include <stdlib.h>
+
+void siglongjmp(sigjmp_buf buf, int ret)
+{
+	long *flag = buf + sizeof(jmp_buf)/sizeof(long);
+	sigset_t *mask = (void *)(flag + 1);
+	if (*flag)
+		sigprocmask (SIG_SETMASK, mask, NULL);
+	longjmp((void *)buf, ret);
+}
-- 
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