1 /* Basic platform-independent macro definitions for mutexes,
2 thread-specific data and parameters for malloc.
3 Copyright (C) 2003, 2008 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #ifndef _MALLOC_MACHINE_H
22 #define _MALLOC_MACHINE_H
24 #undef thread_atfork_static
27 #include <bits/libc-lock.h>
29 /* Assume hurd, with cthreads */
31 /* Cthreads `mutex_t' is a pointer to a mutex, and malloc wants just the
34 #define mutex_t struct mutex
37 #define mutex_init(m) (__mutex_init(m), 0)
40 #define mutex_lock(m) (__mutex_lock(m), 0)
43 #define mutex_unlock(m) (__mutex_unlock(m), 0)
45 #define mutex_trylock(m) (!__mutex_trylock(m))
47 #define thread_atfork(prepare, parent, child) do {} while(0)
48 #define thread_atfork_static(prepare, parent, child) \
49 text_set_element(_hurd_fork_prepare_hook, prepare); \
50 text_set_element(_hurd_fork_parent_hook, parent); \
51 text_set_element(_hurd_fork_child_hook, child);
53 /* No we're *not* using pthreads. */
54 #define __pthread_initialize ((void (*)(void))0)
56 /* thread specific data for glibc */
58 #include <bits/libc-tsd.h>
60 typedef int tsd_key_t
[1]; /* no key data structure, libc magic does it */
61 __libc_tsd_define (static, void *, MALLOC
) /* declaration/common definition */
62 #define tsd_key_create(key, destr) ((void) (key))
63 #define tsd_setspecific(key, data) __libc_tsd_set (void *, MALLOC, (data))
64 #define tsd_getspecific(key, vptr) ((vptr) = __libc_tsd_get (void *, MALLOC))
66 #include <sysdeps/generic/malloc-machine.h>
68 #endif /* !defined(_MALLOC_MACHINE_H) */