[thirdparty/glibc.git] / sysdeps / mach / hurd / malloc-machine.h

/* Basic platform-independent macro definitions for mutexes,
   thread-specific data and parameters for malloc.
   Copyright (C) 2003-2012 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, see
   <http://www.gnu.org/licenses/>.  */

#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, void *, MALLOC)	/* declaration/common definition */
#define tsd_key_create(key, destr)	((void) (key))
#define tsd_setspecific(key, data)	__libc_tsd_set (void *, MALLOC, (data))
#define tsd_getspecific(key, vptr)	((vptr) = __libc_tsd_get (void *, MALLOC))

/* madvise is a stub on Hurd, so don't bother calling it.  */
#undef	madvise
#define madvise(addr, len, advice)	((void) ((addr), (len), (advice)))

#include <sysdeps/generic/malloc-machine.h>

#endif /* !defined(_MALLOC_MACHINE_H) */
Commit	Line	Data
3c6904fb UD	1	/* Basic platform-independent macro definitions for mutexes,
3c6904fb UD	2	thread-specific data and parameters for malloc.
d2c736f8	3	Copyright (C) 2003-2012 Free Software Foundation, Inc.
3c6904fb UD	4	This file is part of the GNU C Library.
	5
	6	The GNU C Library is free software; you can redistribute it and/or
	7	modify it under the terms of the GNU Lesser General Public
	8	License as published by the Free Software Foundation; either
	9	version 2.1 of the License, or (at your option) any later version.
	10
	11	The GNU C Library is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	Lesser General Public License for more details.
	15
	16	You should have received a copy of the GNU Lesser General Public
59ba27a6 PE	17	License along with the GNU C Library; if not, see
59ba27a6 PE	18	<http://www.gnu.org/licenses/>. */
3c6904fb UD	19
	20	#ifndef _MALLOC_MACHINE_H
	21	#define _MALLOC_MACHINE_H
	22
	23	#undef thread_atfork_static
	24
	25	#include <atomic.h>
	26	#include <bits/libc-lock.h>
	27
	28	/* Assume hurd, with cthreads */
	29
	30	/* Cthreads `mutex_t' is a pointer to a mutex, and malloc wants just the
	31	mutex itself. */
	32	#undef mutex_t
	33	#define mutex_t struct mutex
	34
	35	#undef mutex_init
	36	#define mutex_init(m) (__mutex_init(m), 0)
	37
	38	#undef mutex_lock
	39	#define mutex_lock(m) (__mutex_lock(m), 0)
	40
	41	#undef mutex_unlock
	42	#define mutex_unlock(m) (__mutex_unlock(m), 0)
	43
	44	#define mutex_trylock(m) (!__mutex_trylock(m))
	45
	46	#define thread_atfork(prepare, parent, child) do {} while(0)
	47	#define thread_atfork_static(prepare, parent, child) \
	48	text_set_element(_hurd_fork_prepare_hook, prepare); \
	49	text_set_element(_hurd_fork_parent_hook, parent); \
	50	text_set_element(_hurd_fork_child_hook, child);
	51
	52	/* No we're not using pthreads. */
	53	#define __pthread_initialize ((void (*)(void))0)
	54
1b6f6a92 UD	55	/* thread specific data for glibc */
	56
	57	#include <bits/libc-tsd.h>
	58
	59	typedef int tsd_key_t[1]; /* no key data structure, libc magic does it */
4b23f9bd	60	__libc_tsd_define (static, void , MALLOC) / declaration/common definition */
1b6f6a92	61	#define tsd_key_create(key, destr) ((void) (key))
4b23f9bd JJ	62	#define tsd_setspecific(key, data) __libc_tsd_set (void *, MALLOC, (data))
4b23f9bd JJ	63	#define tsd_getspecific(key, vptr) ((vptr) = __libc_tsd_get (void *, MALLOC))
1b6f6a92	64
d2c736f8 RM	65	/* madvise is a stub on Hurd, so don't bother calling it. */
	66	#undef madvise
	67	#define madvise(addr, len, advice) ((void) ((addr), (len), (advice)))
	68
3c6904fb UD	69	#include <sysdeps/generic/malloc-machine.h>
	70
	71	#endif /* !defined(_MALLOC_MACHINE_H) */