/* Threads compatibility routines for libgcc2 and libobjc. */
/* Compile this one with gcc. */
-/* Copyright (C) 1997, 1999, 2000, 2001, 2004, 2005
+/* Copyright (C) 1997, 1999, 2000, 2001, 2004, 2005, 2008, 2009
Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
-/* As a special exception, if you link this library with other files,
- some of which are compiled with GCC, to produce an executable,
- this library does not by itself cause the resulting executable
- to be covered by the GNU General Public License.
- This exception does not however invalidate any other reasons why
- the executable file might be covered by the GNU General Public License. */
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
#ifndef GCC_GTHR_DCE_H
#define GCC_GTHR_DCE_H
DCE threads are based on POSIX threads draft 4, and many things
have changed since then. */
+/* Make sure CONST_CAST2 (original in system.h) is defined. */
+#ifndef CONST_CAST2
+#ifdef __cplusplus
+#define CONST_CAST2(TOTYPE,FROMTYPE,X) (const_cast<TOTYPE> (X))
+#else
+#define CONST_CAST2(TOTYPE,FROMTYPE,X) ((__extension__(union {FROMTYPE _q; TOTYPE _nq;})(X))._nq)
+#endif
+#endif
+
#define __GTHREADS 1
#include <pthread.h>
#else /* _LIBOBJC */
static inline int
-__gthread_once (__gthread_once_t *once, void (*func) (void))
+__gthread_once (__gthread_once_t *__once, void (*__func) (void))
{
if (__gthread_active_p ())
- return __gthrw_(pthread_once) (once, func);
+ return __gthrw_(pthread_once) (__once, __func);
else
return -1;
}
static inline int
-__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
+__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
{
- return __gthrw_(pthread_keycreate) (key, dtor);
+ return __gthrw_(pthread_keycreate) (__key, __dtor);
}
static inline int
-__gthread_key_delete (__gthread_key_t key __attribute__ ((__unused__)))
+__gthread_key_delete (__gthread_key_t __key __attribute__ ((__unused__)))
{
/* Operation is not supported. */
return -1;
}
static inline void *
-__gthread_getspecific (__gthread_key_t key)
+__gthread_getspecific (__gthread_key_t __key)
{
- void *ptr;
- if (__gthrw_(pthread_getspecific) (key, &ptr) == 0)
- return ptr;
+ void *__ptr;
+ if (__gthrw_(pthread_getspecific) (__key, &__ptr) == 0)
+ return __ptr;
else
return 0;
}
static inline int
-__gthread_setspecific (__gthread_key_t key, const void *ptr)
+__gthread_setspecific (__gthread_key_t __key, const void *__ptr)
{
- return __gthrw_(pthread_setspecific) (key, (void *) ptr);
+ return __gthrw_(pthread_setspecific)
+ (__key, CONST_CAST2(void *, const void *, __ptr));
}
static inline void
-__gthread_mutex_init_function (__gthread_mutex_t *mutex)
+__gthread_mutex_init_function (__gthread_mutex_t *__mutex)
{
if (__gthread_active_p ())
- __gthrw_(pthread_mutex_init) (mutex, pthread_mutexattr_default);
+ __gthrw_(pthread_mutex_init) (__mutex, pthread_mutexattr_default);
}
static inline int
-__gthread_mutx_destroy (__gthread_mutex_t *mutex)
+__gthread_mutx_destroy (__gthread_mutex_t *__mutex)
{
if (__gthread_active_p ())
- return __gthrw_(pthread_mutex_destroy) (mutex);
+ return __gthrw_(pthread_mutex_destroy) (__mutex);
else
return 0;
}
static inline int
-__gthread_mutex_lock (__gthread_mutex_t *mutex)
+__gthread_mutex_lock (__gthread_mutex_t *__mutex)
{
if (__gthread_active_p ())
- return __gthrw_(pthread_mutex_lock) (mutex);
+ return __gthrw_(pthread_mutex_lock) (__mutex);
else
return 0;
}
static inline int
-__gthread_mutex_trylock (__gthread_mutex_t *mutex)
+__gthread_mutex_trylock (__gthread_mutex_t *__mutex)
{
if (__gthread_active_p ())
- return __gthrw_(pthread_mutex_trylock) (mutex);
+ return __gthrw_(pthread_mutex_trylock) (__mutex);
else
return 0;
}
static inline int
-__gthread_mutex_unlock (__gthread_mutex_t *mutex)
+__gthread_mutex_unlock (__gthread_mutex_t *__mutex)
{
if (__gthread_active_p ())
- return __gthrw_(pthread_mutex_unlock) (mutex);
+ return __gthrw_(pthread_mutex_unlock) (__mutex);
else
return 0;
}
static inline int
-__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex)
+__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex)
{
if (__gthread_active_p ())
{
- pthread_mutexattr_t attr;
- int r;
-
- r = __gthrw_(pthread_mutexattr_create) (&attr);
- if (!r)
- r = __gthrw_(pthread_mutexattr_setkind_np) (&attr, MUTEX_RECURSIVE_NP);
- if (!r)
- r = __gthrw_(pthread_mutex_init) (mutex, attr);
- if (!r)
- r = __gthrw_(pthread_mutexattr_delete) (&attr);
- return r;
+ pthread_mutexattr_t __attr;
+ int __r;
+
+ __r = __gthrw_(pthread_mutexattr_create) (&__attr);
+ if (!__r)
+ __r = __gthrw_(pthread_mutexattr_setkind_np) (&__attr,
+ MUTEX_RECURSIVE_NP);
+ if (!__r)
+ __r = __gthrw_(pthread_mutex_init) (__mutex, __attr);
+ if (!__r)
+ __r = __gthrw_(pthread_mutexattr_delete) (&__attr);
+ return __r;
}
return 0;
}
static inline int
-__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
+__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
{
- return __gthread_mutex_lock (mutex);
+ return __gthread_mutex_lock (__mutex);
}
static inline int
-__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex)
+__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
{
- return __gthread_mutex_trylock (mutex);
+ return __gthread_mutex_trylock (__mutex);
}
static inline int
-__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
+__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
{
- return __gthread_mutex_unlock (mutex);
+ return __gthread_mutex_unlock (__mutex);
}
#endif /* _LIBOBJC */
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