From f2ea0f5b0d6ff2bbf261a5fd3d61f967e36f22e6 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 15 Oct 1997 05:34:02 +0000 Subject: Update. 1997-10-15 06:56 Ulrich Drepper * Rules: Remove ruls to magically install .h headers. Reported by Mark Kettenis . * glibcbug.in: Fix @gnu.ai.mit.edu -> @gnu.org. * version.c: Likewise. * catgets/gencat.c: Likewise. * db2/makedb.c: Likewise. * locale/programs/locale.c: Likewise. * locale/programs/localedef.c: Likewise. * libc.map: Move _IO_list_all back to GLIBC_2.0. * elf/rtld.c: Provide name of running program to _dl_new_object. * Rules: Implement shared-only-sources. * include/libc-symbols.h: Define default_symbol_version. * libio/Makefile (shared-only-sources): Define. * libio/freopen.c: Define as default version. * libio/iofopen.c: Likewise. * libio/genops.c: Define _IO_list_all here. * libio/stdfiles.c: Create linked list with public names. * libio/oldstdfiles.c: Likewise. * stdio-common/printf.c: Optimize. * stdio-common/scanf.c: Optimize. * sysdeps/generic/setfpucw.c: Include #include <...> not "...". * sysdeps/i386/i486/bits/string.h: Add optimized versions of index and rindex. 1997-10-14 Andreas Jaeger * manual/arith.texi: Spelling fixes. * manual/conf.texi: Likewise. * manual/creature.texi: Likewise. * manual/filesys.texi: Likewise. * manual/intro.texi: Likewise. * manual/llio.texi: Likewise. * manual/math.texi: Likewise. * manual/message.texi: Likewise. * manual/pattern.texi: Likewise. * manual/search.texi: Likewise. * manual/signal.texi: Likewise. * manual/socket.texi: Likewise. * manual/startup.texi: Likewise. * manual/stdio.texi: Likewise. * manual/string.texi: Likewise. * manual/time.texi: Likewise. * manual/users.texi: Likewise. 1997-10-13 05:25 Ulrich Drepper * sysdeps/generic/sys/mman.h: Use __ptr_t instead of __caddr_t. * sysdeps/unix/bsd/osf/sys/mman.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/sys/mman.h: Likewise. * sysdeps/unix/bsd/ultrix4/sys/mman.h: Likewise. * sysdeps/unix/sysv/irix4/sys/mman.h: Likewise. * sysdeps/unix/sysv/linux/sys/mman.h: Likewise. * sysdeps/mach/hurd/mmap.c: Likewise. * sysdeps/generic/mmap.c: Likewise. * sysdeps/unix/bsd/sun/sunos4/mmap.c: Likewise. * sysdeps/mach/munmap.c: Likewise. * sysdeps/generic/munmap.c: Likewise. * sysdeps/mach/mprotect.c: Likewise. * sysdeps/generic/mprotect.c: Likewise. * sysdeps/generic/msync.c: Likewise. * sysdeps/generic/madvise.c: Likewise. * sysdeps/unix/sysv/linux/madvise.c: Include stub version from generic subdir. 1997-10-12 20:27 Zack Weinberg * sysdeps/stub (all files): Moved to sysdeps/generic. * all files using stub_warning: Include . * include/stub-tag.h: New file, marks stubs in .d files. * Makerules: Look for stub-tag.h, not sysdeps/stub, when building . * configure.in: Don't add sysdeps/stub to $sysnames. * sysdeps/unix/Makefile: Look for generic headers, not stub headers. * sysdeps/generic/Makefile: Likewise. * manual/maint.texi: Delete references to sysdeps/stub. * INSTALL: Rebuilt. * configure: Rebuilt. --- bits/libc-lock.h | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) create mode 100644 bits/libc-lock.h (limited to 'bits/libc-lock.h') diff --git a/bits/libc-lock.h b/bits/libc-lock.h new file mode 100644 index 0000000000..c24dcd047a --- /dev/null +++ b/bits/libc-lock.h @@ -0,0 +1,109 @@ +/* libc-internal interface for mutex locks. Stub version. + Copyright (C) 1996, 1997 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. */ + +#ifndef _BITS_LIBC_LOCK_H +#define _BITS_LIBC_LOCK_H 1 + + +/* Define a lock variable NAME with storage class CLASS. The lock must be + initialized with __libc_lock_init before it can be used (or define it + with __libc_lock_define_initialized, below). Use `extern' for CLASS to + declare a lock defined in another module. In public structure + definitions you must use a pointer to the lock structure (i.e., NAME + begins with a `*'), because its storage size will not be known outside + of libc. */ +#define __libc_lock_define(CLASS,NAME) + +/* Define an initialized lock variable NAME with storage class CLASS. */ +#define __libc_lock_define_initialized(CLASS,NAME) + +/* Define an initialized recursive lock variable NAME with storage + class CLASS. */ +#define __libc_lock_define_initialized_recursive(CLASS,NAME) + +/* Initialize the named lock variable, leaving it in a consistent, unlocked + state. */ +#define __libc_lock_init(NAME) + +/* Same as last but this time we initialize a recursive mutex. */ +#define __libc_lock_init_recursive(NAME) + +/* Finalize the named lock variable, which must be locked. It cannot be + used again until __libc_lock_init is called again on it. This must be + called on a lock variable before the containing storage is reused. */ +#define __libc_lock_fini(NAME) + +/* Finalize recursive named lock. */ +#define __libc_lock_fini_recursive(NAME) + +/* Lock the named lock variable. */ +#define __libc_lock_lock(NAME) + +/* Lock the recursive named lock variable. */ +#define __libc_lock_lock_recursive(NAME) + +/* Try to lock the named lock variable. */ +#define __libc_lock_trylock(NAME) 0 + +/* Try to lock the recursive named lock variable. */ +#define __libc_lock_trylock_recursive(NAME) 0 + +/* Unlock the named lock variable. */ +#define __libc_lock_unlock(NAME) + +/* Unlock the recursive named lock variable. */ +#define __libc_lock_unlock_recursive(NAME) + + +/* Define once control variable. */ +#define __libc_once_define(CLASS, NAME) CLASS int NAME = 0 + +/* Call handler iff the first call. */ +#define __libc_once(ONCE_CONTROL, INIT_FUNCTION) \ + do { \ + if ((ONCE_CONTROL) == 0) { \ + INIT_FUNCTION (); \ + (ONCE_CONTROL) = 1; \ + } \ + } while (0) + + +/* Start critical region with cleanup. */ +#define __libc_cleanup_region_start(FCT, ARG) + +/* End critical region with cleanup. */ +#define __libc_cleanup_region_end(DOIT) + + +/* We need portable names for some of the functions. */ +#define __libc_mutex_unlock + +/* Type for key of thread specific data. */ +typedef int __libc_key_t; + +/* Create key for thread specific data. */ +#define __libc_key_create(KEY,DEST) -1 + +/* Set thread-specific data associated with KEY to VAL. */ +#define __libc_setspecific(KEY,VAL) -1 + +/* Get thread-specific data associated with KEY. */ +#define __libc_getspecific(KEY) 0 + +#endif /* bits/libc-lock.h */ -- cgit 1.4.1