diff liboctave/safe-xstat.hin @ 1408:f1fbe4cdd75c

[project @ 1995-09-15 06:39:28 by jwe] Initial revision
author jwe
date Fri, 15 Sep 1995 06:39:28 +0000
parents
children 635d28024664
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+/* safe-@l@stat.h -- EINTR-safe interface to @l@stat
+   Copyright (C) 1994 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   
+/* Written by Jim Meyering <meyering@comco.com>.  */
+
+#ifndef _safe_@l@stat_h_
+#define _safe_@l@stat_h_ 1
+
+/* NOTE: you must include the following headers (in the listed order)
+   before this one: <sys/types.h>, <sys/stat.h>.  */
+
+#if !defined(S_ISLNK) && defined(S_IFLNK)			@LSTAT_ONLY@
+#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)			@LSTAT_ONLY@
+#endif								@LSTAT_ONLY@
+								@LSTAT_ONLY@
+#ifndef S_ISLNK							@LSTAT_ONLY@
+#include "safe-stat.h"						@LSTAT_ONLY@
+#define SAFE_LSTAT SAFE_STAT					@LSTAT_ONLY@
+#define safe_lstat safe_stat					@LSTAT_ONLY@
+#else								@LSTAT_ONLY@
+								@LSTAT_ONLY@
+#include <errno.h>
+
+#ifndef errno
+extern int errno;
+#endif
+
+#ifndef __GNUC__
+#define __inline /* empty */
+#endif
+
+/* On some systems, @l@stat can return EINTR.  */
+
+#ifndef EINTR
+# define SAFE_@L@STAT(name, buf) @l@stat (name, buf)
+#else
+# ifndef __static
+#   define __static static
+# endif
+# define SAFE_@L@STAT(name, buf) safe_@l@stat (name, buf)
+__static __inline int
+safe_@l@stat (name, buf)
+     const char *name;
+     struct stat *buf;
+{
+  int ret;
+
+  do
+    ret = @l@stat (name, buf);
+  while (ret < 0 && errno == EINTR);
+
+  return ret;
+}
+#endif
+
+#endif /* S_ISLNK */						@LSTAT_ONLY@
+#endif /* _safe_@l@stat_h_ */