diff options
Diffstat (limited to 'lib/sys_file.in.h')
| -rw-r--r-- | lib/sys_file.in.h | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/lib/sys_file.in.h b/lib/sys_file.in.h index 0973edcc7..bdf664d5c 100644 --- a/lib/sys_file.in.h +++ b/lib/sys_file.in.h @@ -1,6 +1,6 @@ /* Provide a more complete sys/file.h. - Copyright (C) 2007-2008 Free Software Foundation, Inc. + Copyright (C) 2007-2010 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by @@ -31,28 +31,30 @@ #ifndef _GL_SYS_FILE_H #define _GL_SYS_FILE_H +#ifndef LOCK_SH +/* Operations for the 'flock' call (same as Linux kernel constants). */ +# define LOCK_SH 1 /* Shared lock. */ +# define LOCK_EX 2 /* Exclusive lock. */ +# define LOCK_UN 8 /* Unlock. */ + +/* Can be OR'd in to one of the above. */ +# define LOCK_NB 4 /* Don't block when locking. */ +#endif + +/* The definition of _GL_WARN_ON_USE is copied here. */ #if @GNULIB_FLOCK@ /* Apply or remove advisory locks on an open file. Return 0 if successful, otherwise -1 and errno set. */ # if !@HAVE_FLOCK@ extern int flock (int fd, int operation); - -/* Operations for the 'flock' call (same as Linux kernel constants). */ -#define LOCK_SH 1 /* Shared lock. */ -#define LOCK_EX 2 /* Exclusive lock. */ -#define LOCK_UN 8 /* Unlock. */ - -/* Can be OR'd in to one of the above. */ -#define LOCK_NB 4 /* Don't block when locking. */ - # endif #elif defined GNULIB_POSIXCHECK # undef flock -# define flock(fd,op) \ - (GL_LINK_WARNING ("flock is unportable - " \ - "use gnulib module flock for portability"), \ - flock ((fd), (op))) +# if HAVE_RAW_DECL_FLOCK +_GL_WARN_ON_USE (flock, "flock is unportable - " + "use gnulib module flock for portability"); +# endif #endif |