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1998-04-21 21:49  Zack Weinberg  <zack@rabi.phys.columbia.edu>

	* misc/sys/cdefs.h: New macro __REDIRECT to support changing the
	asm symbol name of functions.
	* include/features.h: Kill redundant test.

	* dirent/dirent.h: Use new macros to implement __USE_FILE_OFFSET64.
	* io/ftw.h: Likewise.
	* io/sys/stat.h: Likewise.
	* io/sys/statfs.h: Likewise.
	* io/sys/statvfs.h: Likewise.
	* libio/stdio.h: Likewise.
	* resource/sys/resource.h: Likewise.
	* rt/aio.h: Likewise.

	* posix/unistd.h: Use new macros for __USE_FILE_OFFSET64 and
	 __FAVOR_BSD.
	* signal/signal.h: Use new macros for BSD vs. SysV signal().

	* misc/Makefile: Drop bsd-compat.c.  Make libbsd-compat.a
	a dummy library.
	* misc/bsd-compat.c: Removed.
This commit is contained in:
Ulrich Drepper
1998-04-21 22:58:23 +00:00
parent 28f1c862dd
commit 01cad72266
16 changed files with 518 additions and 432 deletions
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10
misc/Makefile
View File

@ -58,24 +58,16 @@ routines := brk sbrk sstk ioctl \
err error ustat \
getsysstats dirname regexp
aux := init-misc
distribute := bsd-compat.c
extra-objs := bsd-compat.o
install-lib := libbsd-compat.a libg.a
non-lib.a := libbsd-compat.a
gpl2lgpl := error.c error.h
tests := tst-dirname tst-tsearch tst-fdset tst-efgcvt
include ../Rules
$(objpfx)libbsd-compat.a: $(objpfx)bsd-compat.o
rm -f $@
ln $< $@
$(objpfx)libbsd-compat.a: $(dep-dummy-lib); $(make-dummy-lib)
$(objpfx)libg.a: $(dep-dummy-lib); $(make-dummy-lib)
CFLAGS-init-misc.c = -fkeep-inline-functions
ifeq ($(build-shared),yes)

37
misc/bsd-compat.c
View File

@ -1,37 +0,0 @@
/* BSD-compatible versions of functions where BSD and POSIX.1 conflict.
Copyright (C) 1991, 92, 94, 95, 96, 97 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sys/types.h>
/* Don't include unistd.h because it declares a conflicting
prototype for the POSIX.1 `getpgrp' function. */
extern pid_t __getpgid __P ((pid_t));
extern int __setpgid __P ((pid_t, pid_t));
pid_t
getpgrp (pid_t pid)
{
return __getpgid (pid);
}
int
setpgrp (pid_t pid, pid_t pgrp)
{
return __setpgid (pid, pgrp);
}

36
misc/sys/cdefs.h
View File

@ -95,15 +95,39 @@
# define __END_DECLS
#endif
/* GCC2 has various useful declarations that can be made with the
`__attribute__' syntax. All of the ways we use this do fine if
they are omitted for compilers that don't understand it. */
#if !defined __GNUC__ || __GNUC__ < 2
# define __attribute__(xyz) /* Ignore. */
/* __asm__ ("xyz") is used throughout the headers to rename functions
at the assembly language level. This is wrapped by the __REDIRECT
macro, in order to support compilers that can do this some other
way. When compilers don't support asm-names at all, we have to do
preprocessor tricks instead (which don't have exactly the right
semantics, but it's the best we can do).
Example:
int __REDIRECT(setpgrp, __P((__pid_t pid, __pid_t pgrp)), setpgid); */
#if defined __GNUC__ && __GNUC__ >= 2
# define __REDIRECT(name, proto, asname) name proto __asm__ (#asname)
/*
#elif __SOME_OTHER_COMPILER__
# define __attribute__(xyz)
# define __ALIAS(name, proto, asname) name proto; \
_Pragma("let " #name " = " #asname)
*/
#endif
/* GCC has various useful declarations that can be made with the
`__attribute__' syntax. All of the ways we use this do fine if
they are omitted for compilers that don't understand it. */
#if !defined __GNUC__ || __GNUC__ < 2
/* For now no version of gcc knows the `restrict' keyword. Define it
# define __attribute__(xyz) /* Ignore. */
#endif
/* No current version of gcc knows the `restrict' keyword. Define it
for now unconditionally to the empty string. */
#define __restrict