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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /signal/sysv_signal.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'signal/sysv_signal.c')
-rw-r--r--signal/sysv_signal.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/signal/sysv_signal.c b/signal/sysv_signal.c
new file mode 100644
index 0000000000..86dbb1d093
--- /dev/null
+++ b/signal/sysv_signal.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 1991, 1992, 1996, 1997 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <signal.h>
+
+/* Set the handler for the signal SIG to HANDLER,
+   returning the old handler, or SIG_ERR on error.  */
+__sighandler_t
+__sysv_signal (sig, handler)
+     int sig;
+     __sighandler_t handler;
+{
+  /* Check signal extents to protect __sigismember.  */
+  if (handler == SIG_ERR || sig < 1 || sig >= NSIG)
+    {
+      __set_errno (EINVAL);
+      return SIG_ERR;
+    }
+
+  __set_errno (ENOSYS);
+
+  return SIG_ERR;
+}
+weak_alias (__sysv_signal, sysv_signal)
+
+stub_warning (sysv_signal)
+#include <stub-tag.h>