/* Threads compatibility routines for libgcc2 and libobjc. */
/* Compile this one with gcc. */
-/* Copyright (C) 1997, 1999, 2000, 2004, 2005
+/* Copyright (C) 1997, 1999, 2000, 2004, 2005, 2006, 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_SOLARIS_H
#define GCC_GTHR_SOLARIS_H
#include <thread.h>
#include <errno.h>
+#ifdef __cplusplus
+#define UNUSED(x)
+#else
+#define UNUSED(x) x __attribute__((unused))
+#endif
+
typedef thread_key_t __gthread_key_t;
typedef struct {
mutex_t mutex;
__gthrw(thr_getspecific)
__gthrw(thr_setspecific)
__gthrw(thr_create)
+__gthrw(thr_self)
+__gthrw(mutex_init)
+__gthrw(mutex_destroy)
__gthrw(mutex_lock)
__gthrw(mutex_trylock)
__gthrw(mutex_unlock)
#ifdef _LIBOBJC
__gthrw(thr_exit)
-__gthrw(thr_keycreate)
__gthrw(thr_getprio)
-__gthrw(thr_self)
__gthrw(thr_setprio)
__gthrw(thr_yield)
__gthrw(cond_broadcast)
__gthrw(cond_signal)
-__gthrw(mutex_init)
-__gthrw(mutex_destroy)
#endif
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
static inline int
__gthread_active_p (void)
{
- static void *const __gthread_active_ptr = (void *) &__gthrw_(thr_create);
+ static void *const __gthread_active_ptr
+ = __extension__ (void *) &__gthrw_(thr_create);
return __gthread_active_ptr != 0;
}
#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 -1;
- if (once == 0 || func == 0)
+ if (__once == 0 || __func == 0)
return EINVAL;
- if (once->once == 0)
+ if (__once->once == 0)
{
- int status = __gthrw_(mutex_lock) (&once->mutex);
- if (status != 0)
- return status;
- if (once->once == 0)
+ int __status = __gthrw_(mutex_lock) (&__once->mutex);
+ if (__status != 0)
+ return __status;
+ if (__once->once == 0)
{
- (*func) ();
- once->once++;
+ (*__func) ();
+ __once->once++;
}
- __gthrw_(mutex_unlock) (&once->mutex);
+ __gthrw_(mutex_unlock) (&__once->mutex);
}
return 0;
}
static inline int
-__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
+__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
{
/* Solaris 2.5 contains thr_* routines no-op in libc, so test if we actually
got a reasonable key value, and if not, fail. */
- *key = (__gthread_key_t)-1;
- if (__gthrw_(thr_keycreate) (key, dtor) != 0 || *key == (__gthread_key_t)-1)
+ *__key = (__gthread_key_t)-1;
+ if (__gthrw_(thr_keycreate) (__key, __dtor) != 0
+ || *__key == (__gthread_key_t)-1)
return -1;
else
return 0;
}
static inline int
-__gthread_key_delete (__gthread_key_t key)
+__gthread_key_delete (__gthread_key_t UNUSED (__key))
{
/* Not possible. */
return -1;
}
static inline void *
-__gthread_getspecific (__gthread_key_t key)
+__gthread_getspecific (__gthread_key_t __key)
{
- void *ptr;
- if (__gthrw_(thr_getspecific) (key, &ptr) == 0)
- return ptr;
+ void *__ptr;
+ if (__gthrw_(thr_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_(thr_setspecific) (key, (void *) ptr);
+ return __gthrw_(thr_setspecific) (__key, (void *) __ptr);
}
static inline int
-__gthread_mutex_lock (__gthread_mutex_t *mutex)
+__gthread_mutex_destroy (__gthread_mutex_t *__mutex)
{
if (__gthread_active_p ())
- return __gthrw_(mutex_lock) (mutex);
+ return __gthrw_(mutex_destroy) (__mutex);
else
return 0;
}
static inline int
-__gthread_mutex_trylock (__gthread_mutex_t *mutex)
+__gthread_mutex_lock (__gthread_mutex_t *__mutex)
{
if (__gthread_active_p ())
- return __gthrw_(mutex_trylock) (mutex);
+ return __gthrw_(mutex_lock) (__mutex);
else
return 0;
}
static inline int
-__gthread_mutex_unlock (__gthread_mutex_t *mutex)
+__gthread_mutex_trylock (__gthread_mutex_t *__mutex)
{
if (__gthread_active_p ())
- return __gthrw_(mutex_unlock) (mutex);
+ return __gthrw_(mutex_trylock) (__mutex);
else
return 0;
}
static inline int
-__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex)
+__gthread_mutex_unlock (__gthread_mutex_t *__mutex)
{
- mutex->depth = 0;
- mutex->owner = (thread_t) 0;
- return __gthrw_(mutex_init) (&mutex->actual, USYNC_THREAD, 0);
+ if (__gthread_active_p ())
+ return __gthrw_(mutex_unlock) (__mutex);
+ else
+ return 0;
}
static inline int
-__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
+__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex)
+{
+ __mutex->depth = 0;
+ __mutex->owner = (thread_t) 0;
+ return __gthrw_(mutex_init) (&__mutex->actual, USYNC_THREAD, 0);
+}
+
+static inline int
+__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
{
if (__gthread_active_p ())
{
- thread_t me = __gthrw_(thr_self) ();
+ thread_t __me = __gthrw_(thr_self) ();
- if (mutex->owner != me)
+ if (__mutex->owner != __me)
{
- __gthrw_(mutex_lock) (&mutex->actual);
- mutex->owner = me;
+ __gthrw_(mutex_lock) (&__mutex->actual);
+ __mutex->owner = __me;
}
- mutex->depth++;
+ __mutex->depth++;
}
return 0;
}
static inline int
-__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex)
+__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
{
if (__gthread_active_p ())
{
- thread_t me = __gthrw_(thr_self) ();
+ thread_t __me = __gthrw_(thr_self) ();
- if (mutex->owner != me)
+ if (__mutex->owner != __me)
{
- if (__gthrw_(mutex_trylock) (&mutex->actual))
+ if (__gthrw_(mutex_trylock) (&__mutex->actual))
return 1;
- mutex->owner = me;
+ __mutex->owner = __me;
}
- mutex->depth++;
+ __mutex->depth++;
}
return 0;
}
static inline int
-__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
+__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
{
if (__gthread_active_p ())
{
- if (--mutex->depth == 0)
+ if (--__mutex->depth == 0)
{
- mutex->owner = (thread_t) 0;
- __gthrw_(mutex_unlock) (&mutex->actual);
+ __mutex->owner = (thread_t) 0;
+ __gthrw_(mutex_unlock) (&__mutex->actual);
}
}
return 0;
#endif /* _LIBOBJC */
+#undef UNUSED
+
#endif /* ! GCC_GTHR_SOLARIS_H */
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