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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /misc/bsd-compat.c
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initial import
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+/* BSD-compatible versions of functions where BSD and POSIX.1 conflict.
+
+Copyright (C) 1991, 1992, 1994 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., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#define _BSD_SOURCE
+
+#include <ansidecl.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <gnu-stabs.h>
+#include <limits.h>
+#include <setjmp.h>
+
+#undef getpgrp
+function_alias(getpgrp, __getpgrp, pid_t, (pid),
+ DEFUN(getpgrp, (pid), pid_t pid))
+
+/* These entry points allow for things compiled for another C library
+ that want the BSD-compatible definitions. (Of course, their jmp_buf
+ must be big enough.) */
+
+#undef longjmp
+#ifdef __STDC__
+#define void __NORETURN void
+#endif
+function_alias_void(longjmp, siglongjmp, (env, val),
+ DEFUN(longjmp, (env, val), CONST jmp_buf env AND int val))
+
+#undef setjmp
+int
+DEFUN(setjmp, (env), jmp_buf env)
+{
+ return sigsetjmp (env, 1);
+}