From b732a73bc773789894466b0e5320b2f1fe42c7e9 Mon Sep 17 00:00:00 2001
From: John Denker <jsd@av8n.com>
Date: Fri, 1 Jun 2012 18:58:45 -0700
Subject: original, as downloaded from
 http://www.qmail.org/netqmail-1.06.tar.gz

---
 sig_block.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 sig_block.c

(limited to 'sig_block.c')

diff --git a/sig_block.c b/sig_block.c
new file mode 100644
index 0000000..c6b096a
--- /dev/null
+++ b/sig_block.c
@@ -0,0 +1,40 @@
+#include <signal.h>
+#include "sig.h"
+#include "hassgprm.h"
+
+void sig_block(sig)
+int sig;
+{
+#ifdef HASSIGPROCMASK
+  sigset_t ss;
+  sigemptyset(&ss);
+  sigaddset(&ss,sig);
+  sigprocmask(SIG_BLOCK,&ss,(sigset_t *) 0);
+#else
+  sigblock(1 << (sig - 1));
+#endif
+}
+
+void sig_unblock(sig)
+int sig;
+{
+#ifdef HASSIGPROCMASK
+  sigset_t ss;
+  sigemptyset(&ss);
+  sigaddset(&ss,sig);
+  sigprocmask(SIG_UNBLOCK,&ss,(sigset_t *) 0);
+#else
+  sigsetmask(sigsetmask(~0) & ~(1 << (sig - 1)));
+#endif
+}
+
+void sig_blocknone()
+{
+#ifdef HASSIGPROCMASK
+  sigset_t ss;
+  sigemptyset(&ss);
+  sigprocmask(SIG_SETMASK,&ss,(sigset_t *) 0);
+#else
+  sigsetmask(0);
+#endif
+}
-- 
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