Mercurial > hg > octave-lyh
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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new file mode 100644 --- /dev/null +++ b/liboctave/safe-xstat.hin @@ -0,0 +1,71 @@ +/* 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_ */