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authorWaldemar Brodkorb <wbx@openadk.org>2014-03-30 21:56:07 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2014-03-30 21:56:07 +0200
commit1a81ab3b835f3b77bb16e47ddb1be9c751e79e0e (patch)
treeb325e977182b293bb8382072f2e4f0a3f88f3089 /package/heirloom-cpio/src/signal.c
parente56895aca43c2de824228aa3ae00345318a0cb51 (diff)
parent712a7998a6e64638154c2cc3b3262b0881ca0138 (diff)
Merge branch 'master' of git+ssh://openadk.org/git/openadk
Diffstat (limited to 'package/heirloom-cpio/src/signal.c')
-rw-r--r--package/heirloom-cpio/src/signal.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/package/heirloom-cpio/src/signal.c b/package/heirloom-cpio/src/signal.c
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index 000000000..1f9d51cb7
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+++ b/package/heirloom-cpio/src/signal.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2004 Gunnar Ritter
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute
+ * it freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source distribution.
+ */
+/* Sccsid @(#)signal.c 1.6 (gritter) 1/22/06 */
+
+#if defined (__FreeBSD__) || defined (__dietlibc__) || defined (__NetBSD__) || \
+ defined (__OpenBSD__) || defined (__DragonFly__) || defined (__APPLE__) || \
+ defined (__UCLIBC__)
+#include <signal.h>
+#include "sigset.h"
+
+void (*signal(int sig, void (*func)(int)))(int)
+{
+ struct sigaction nact, oact;
+
+ if (sig <= 0)
+ return SIG_ERR;
+ nact.sa_handler = func;
+ nact.sa_flags = SA_RESETHAND|SA_NODEFER;
+ if (sig == SIGCHLD && func == SIG_IGN)
+ nact.sa_flags |= SA_NOCLDSTOP|SA_NOCLDWAIT;
+ sigemptyset(&nact.sa_mask);
+ if (sigaction(sig, &nact, &oact) == -1)
+ return SIG_ERR;
+ return oact.sa_handler;
+}
+#endif /* __FreeBSD__ || __dietlibc__ || __NetBSD__ || __OpenBSD__ ||
+ __DragonFly__ || __APPLE__ || __UCLIBC__ */