glibc/sysdeps/mach/hurd/malloc-machine.h
Ulrich Drepper 1b6f6a92e3 Update.
2003-10-02  Jeroen Dekkers  <jeroen@dekkers.cx>

	* sysdeps/mach/hurd/malloc-machine.h: Copy the tsd code from
        the old thread-m.h header too.
2003-10-02 18:56:20 +00:00

69 lines
2.3 KiB
C

/* Basic platform-independent macro definitions for mutexes,
thread-specific data and parameters for malloc.
Copyright (C) 2003 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _MALLOC_MACHINE_H
#define _MALLOC_MACHINE_H
#undef thread_atfork_static
#include <atomic.h>
#include <bits/libc-lock.h>
/* Assume hurd, with cthreads */
/* Cthreads `mutex_t' is a pointer to a mutex, and malloc wants just the
mutex itself. */
#undef mutex_t
#define mutex_t struct mutex
#undef mutex_init
#define mutex_init(m) (__mutex_init(m), 0)
#undef mutex_lock
#define mutex_lock(m) (__mutex_lock(m), 0)
#undef mutex_unlock
#define mutex_unlock(m) (__mutex_unlock(m), 0)
#define mutex_trylock(m) (!__mutex_trylock(m))
#define thread_atfork(prepare, parent, child) do {} while(0)
#define thread_atfork_static(prepare, parent, child) \
text_set_element(_hurd_fork_prepare_hook, prepare); \
text_set_element(_hurd_fork_parent_hook, parent); \
text_set_element(_hurd_fork_child_hook, child);
/* No we're *not* using pthreads. */
#define __pthread_initialize ((void (*)(void))0)
/* thread specific data for glibc */
#include <bits/libc-tsd.h>
typedef int tsd_key_t[1]; /* no key data structure, libc magic does it */
__libc_tsd_define (static, MALLOC) /* declaration/common definition */
#define tsd_key_create(key, destr) ((void) (key))
#define tsd_setspecific(key, data) __libc_tsd_set (MALLOC, (data))
#define tsd_getspecific(key, vptr) ((vptr) = __libc_tsd_get (MALLOC))
#include <sysdeps/generic/malloc-machine.h>
#endif /* !defined(_MALLOC_MACHINE_H) */