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- /* Basic platform-independent macro definitions for mutexes,
- thread-specific data and parameters for malloc.
- Copyright (C) 2003, 2007, 2008 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>
- __libc_lock_define (typedef, mutex_t)
- #define mutex_init(m) __libc_lock_init (*(m))
- #define mutex_lock(m) __libc_lock_lock (*(m))
- #define mutex_trylock(m) __libc_lock_trylock (*(m))
- #define mutex_unlock(m) __libc_lock_unlock (*(m))
- /* This is defined by newer gcc version unique for each module. */
- extern void *__dso_handle __attribute__ ((__weak__));
- #include <fork.h>
- #define ATFORK_MEM static struct fork_handler atfork_mem
- #ifdef SHARED
- # define thread_atfork(prepare, parent, child) \
- atfork_mem.prepare_handler = prepare; \
- atfork_mem.parent_handler = parent; \
- atfork_mem.child_handler = child; \
- atfork_mem.dso_handle = __dso_handle; \
- atfork_mem.refcntr = 1; \
- __linkin_atfork (&atfork_mem)
- #else
- # define thread_atfork(prepare, parent, child) \
- atfork_mem.prepare_handler = prepare; \
- atfork_mem.parent_handler = parent; \
- atfork_mem.child_handler = child; \
- atfork_mem.dso_handle = &__dso_handle == NULL ? NULL : __dso_handle; \
- atfork_mem.refcntr = 1; \
- __linkin_atfork (&atfork_mem)
- #endif
- /* 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))
- #include <sysdeps/generic/malloc-machine.h>
- #endif /* !defined(_MALLOC_MACHINE_H) */
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