diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/pthread/malloc-machine.h')
-rw-r--r-- | libpthread/nptl/sysdeps/pthread/malloc-machine.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/pthread/malloc-machine.h b/libpthread/nptl/sysdeps/pthread/malloc-machine.h new file mode 100644 index 000000000..efab230aa --- /dev/null +++ b/libpthread/nptl/sysdeps/pthread/malloc-machine.h @@ -0,0 +1,62 @@ +/* Basic platform-independent macro definitions for mutexes, + thread-specific data and parameters for malloc. + Copyright (C) 2003 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> + +#ifdef SHARED +# define thread_atfork(prepare, parent, child) \ + __register_atfork (prepare, parent, child, __dso_handle) +#else +# define thread_atfork(prepare, parent, child) \ + __register_atfork (prepare, parent, child, \ + &__dso_handle == NULL ? NULL : __dso_handle) +#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, MALLOC) /* declaration/common definition */ +#define tsd_key_create(key, destr) ((void) (key)) +#define tsd_setspecific(key, data) __libc_tsd_set (MALLOC, (data)) +#define tsd_getspecific(key, vptr) ((vptr) = __libc_tsd_get (MALLOC)) + +#include <sysdeps/generic/malloc-machine.h> + +#endif /* !defined(_MALLOC_MACHINE_H) */ |