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/* Basic platform-independent macro definitions for mutexes,
thread-specific data and parameters for malloc.
Copyright (C) 2003-2015 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 <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 <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. */
#include <sys/mman.h>
#undef __madvise
#define __madvise(addr, len, advice) \
((void) (addr), (void) (len), (void) (advice))
#include <sysdeps/generic/malloc-machine.h>
#endif /* !defined(_MALLOC_MACHINE_H) */
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