diff options
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/Makefile | 10 | ||||
| -rw-r--r-- | misc/bsd-compat.c | 37 | ||||
| -rw-r--r-- | misc/sys/cdefs.h | 34 |
3 files changed, 30 insertions, 51 deletions
diff --git a/misc/Makefile b/misc/Makefile index 6c120ba..c8b2302 100644 --- a/misc/Makefile +++ b/misc/Makefile @@ -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) diff --git a/misc/bsd-compat.c b/misc/bsd-compat.c deleted file mode 100644 index f18cf38..0000000 --- a/misc/bsd-compat.c +++ /dev/null @@ -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); -} diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 5f40a0a..c0c442e 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -95,15 +95,39 @@ # define __END_DECLS #endif -/* GCC2 has various useful declarations that can be made with the +/* __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. */ + they are omitted for compilers that don't understand it. */ #if !defined __GNUC__ || __GNUC__ < 2 -# define __attribute__(xyz) /* Ignore. */ -#endif +# define __attribute__(xyz) /* Ignore. */ + +#endif -/* For now no version of gcc knows the `restrict' keyword. Define it +/* No current version of gcc knows the `restrict' keyword. Define it for now unconditionally to the empty string. */ #define __restrict |