| /* 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) */ |