summaryrefslogtreecommitdiff
path: root/libc/signal/sigismem.c
diff options
context:
space:
mode:
authorEric Andersen <andersen@codepoet.org>2000-10-27 21:38:32 +0000
committerEric Andersen <andersen@codepoet.org>2000-10-27 21:38:32 +0000
commit8fee51d63a5ca4a119850c9831a7219fe496df6c (patch)
tree02eaf5249266e387053017c691cb3eb214126fd0 /libc/signal/sigismem.c
parent7ebd0b18cf73522febdce2c0df08f56cb20c331e (diff)
Fix up signal handling
Diffstat (limited to 'libc/signal/sigismem.c')
-rw-r--r--libc/signal/sigismem.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/libc/signal/sigismem.c b/libc/signal/sigismem.c
new file mode 100644
index 000000000..3e9b67c6c
--- /dev/null
+++ b/libc/signal/sigismem.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "errno.h"
+#define _EXTERN_INLINE
+#define __USE_EXTERN_INLINES 1
+#include "signal.h"
+
+/* Return 1 if SIGNO is in SET, 0 if not. */
+int sigismember ( const sigset_t *set, int signo)
+{
+ if (set == NULL || signo <= 0 || signo >= NSIG) {
+ errno=EINVAL;
+ return -1;
+ }
+
+ return __sigismember (set, signo);
+}