/* Threads compatibility routines for libgcc2 and libobjc. */
/* Compile this one with gcc. */
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 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 version.
+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 3, or (at your option) any later
+version.
-GCC 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 General Public License for more details.
+GCC 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 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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, 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 __gthr_nks_h
-#define __gthr_nks_h
+#ifndef GCC_GTHR_NKS_H
+#define GCC_GTHR_NKS_H
/* NKS threads specific definitions.
- Easy, since the interface is mostly one-to-one mapping. */
+ Easy, since the interface is mostly one-to-one mapping. */
#define __GTHREADS 1
typedef NXKey_t __gthread_key_t;
typedef NXMutex_t *__gthread_mutex_t;
+typedef NXMutex_t *__gthread_recursive_mutex_t;
#define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function
+#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
static inline int
__gthread_active_p (void)
/* Backend initialization functions */
-/* Initialize the threads subsystem. */
+/* Initialize the threads subsystem. */
static inline int
-__gthread_objc_init_thread_system(void)
+__gthread_objc_init_thread_system (void)
{
- /* Initialize the thread storage key */
- if (NXKeyCreate(NULL, NULL, &_objc_thread_storage) == 0)
+ /* Initialize the thread storage key. */
+ if (NXKeyCreate (NULL, NULL, &_objc_thread_storage) == 0)
return 0;
return -1;
}
-/* Close the threads subsystem. */
+/* Close the threads subsystem. */
static inline int
-__gthread_objc_close_thread_system(void)
+__gthread_objc_close_thread_system (void)
{
- if (NXKeyDelete(_objc_thread_storage) == 0)
+ if (NXKeyDelete (_objc_thread_storage) == 0)
return 0;
return -1;
}
/* Backend thread functions */
-/* Create a new thread of execution. */
+/* Create a new thread of execution. */
static inline objc_thread_t
-__gthread_objc_thread_detach(void (*func)(void *), void *arg)
+__gthread_objc_thread_detach (void (*func)(void *), void *arg)
{
objc_thread_t thread_id;
NXContext_t context;
NXThreadId_t new_thread_handle;
int err;
- if ((context = NXContextAlloc(func, arg, NX_PRIO_MED, 0, 0, 0, &err)) == NULL)
+ if ((context = NXContextAlloc (func, arg, NX_PRIO_MED, 0, 0, 0, &err)) == NULL)
thread_id = NULL;
- else if (NXThreadCreate(context, NX_THR_DETACHED, &new_thread_handle) == 0)
+ else if (NXThreadCreate (context, NX_THR_DETACHED, &new_thread_handle) == 0)
thread_id = (objc_thread_t) new_thread_handle;
else {
- NXContextFree(context);
+ NXContextFree (context);
thread_id = NULL;
}
-
+
return thread_id;
}
-/* Set the current thread's priority. */
+/* Set the current thread's priority. */
static inline int
-__gthread_objc_thread_set_priority(int priority)
+__gthread_objc_thread_set_priority (int priority)
{
- if (NXThreadSetPriority(NXThreadGetId(), priority) == 0)
+ if (NXThreadSetPriority (NXThreadGetId (), priority) == 0)
return 0;
return -1;
}
-/* Return the current thread's priority. */
+/* Return the current thread's priority. */
static inline int
-__gthread_objc_thread_get_priority(void)
+__gthread_objc_thread_get_priority (void)
{
int priority;
- if (NXThreadGetPriority(NXThreadGetId(), &priority) == 0)
+ if (NXThreadGetPriority (NXThreadGetId (), &priority) == 0)
return priority;
return -1;
}
-/* Yield our process time to another thread. */
+/* Yield our process time to another thread. */
static inline void
-__gthread_objc_thread_yield(void)
+__gthread_objc_thread_yield (void)
{
- NXThreadYield();
+ NXThreadYield ();
}
-/* Terminate the current thread. */
+/* Terminate the current thread. */
static inline int
-__gthread_objc_thread_exit(void)
+__gthread_objc_thread_exit (void)
{
/* exit the thread */
- NXThreadExit(&__objc_thread_exit_status);
+ NXThreadExit (&__objc_thread_exit_status);
/* Failed if we reached here */
return -1;
}
-/* Returns an integer value which uniquely describes a thread. */
+/* Returns an integer value which uniquely describes a thread. */
static inline objc_thread_t
-__gthread_objc_thread_id(void)
+__gthread_objc_thread_id (void)
{
- (objc_thread_t) NXThreadGetId();
+ (objc_thread_t) NXThreadGetId ();
}
-/* Sets the thread's local storage pointer. */
+/* Sets the thread's local storage pointer. */
static inline int
-__gthread_objc_thread_set_data(void *value)
+__gthread_objc_thread_set_data (void *value)
{
- return NXKeySetValue(_objc_thread_storage, value);
+ return NXKeySetValue (_objc_thread_storage, value);
}
-/* Returns the thread's local storage pointer. */
+/* Returns the thread's local storage pointer. */
static inline void *
-__gthread_objc_thread_get_data(void)
+__gthread_objc_thread_get_data (void)
{
void *value;
- if (NXKeyGetValue(_objc_thread_storage, &value) == 0)
+ if (NXKeyGetValue (_objc_thread_storage, &value) == 0)
return value;
return NULL;
}
/* Backend mutex functions */
-/* Allocate a mutex. */
+/* Allocate a mutex. */
static inline int
-__gthread_objc_mutex_allocate(objc_mutex_t mutex)
+__gthread_objc_mutex_allocate (objc_mutex_t mutex)
{
- static const NX_LOCK_INFO_ALLOC(info, "GNU ObjC", 0);
+ static const NX_LOCK_INFO_ALLOC (info, "GNU ObjC", 0);
- if ((mutex->backend = NXMutexAlloc(NX_MUTEX_RECURSIVE/*???*/, 0, &info)) == NULL)
+ if ((mutex->backend = NXMutexAlloc (0, 0, &info)) == NULL)
return 0;
return -1;
}
-/* Deallocate a mutex. */
+/* Deallocate a mutex. */
static inline int
-__gthread_objc_mutex_deallocate(objc_mutex_t mutex)
+__gthread_objc_mutex_deallocate (objc_mutex_t mutex)
{
- while(NXMutexIsOwned((NXMutex_t *)mutex->backend))
- NXUnlock((NXMutex_t *)mutex->backend);
- if (NXMutexFree((NXMutex_t *)mutex->backend) != 0)
+ while (NXMutexIsOwned ((NXMutex_t *)mutex->backend))
+ NXUnlock ((NXMutex_t *)mutex->backend);
+ if (NXMutexFree ((NXMutex_t *)mutex->backend) != 0)
return -1;
mutex->backend = NULL;
return 0;
}
-/* Grab a lock on a mutex. */
+/* Grab a lock on a mutex. */
static inline int
-__gthread_objc_mutex_lock(objc_mutex_t mutex)
+__gthread_objc_mutex_lock (objc_mutex_t mutex)
{
- return NXLock((NXMutex_t *)mutex->backend);
+ return NXLock ((NXMutex_t *)mutex->backend);
}
-/* Try to grab a lock on a mutex. */
+/* Try to grab a lock on a mutex. */
static inline int
-__gthread_objc_mutex_trylock(objc_mutex_t mutex)
+__gthread_objc_mutex_trylock (objc_mutex_t mutex)
{
- if (!NXTryLock((NXMutex_t *)mutex->backend))
+ if (!NXTryLock ((NXMutex_t *)mutex->backend))
return -1;
return 0;
}
/* Unlock the mutex */
static inline int
-__gthread_objc_mutex_unlock(objc_mutex_t mutex)
+__gthread_objc_mutex_unlock (objc_mutex_t mutex)
{
- return NXUnlock((NXMutex_t *)mutex->backend);
+ return NXUnlock ((NXMutex_t *)mutex->backend);
}
/* Backend condition mutex functions */
-/* Allocate a condition. */
+/* Allocate a condition. */
static inline int
-__gthread_objc_condition_allocate(objc_condition_t condition)
+__gthread_objc_condition_allocate (objc_condition_t condition)
{
- condition->backend = NXCondAlloc(NULL);
+ condition->backend = NXCondAlloc (NULL);
if (condition->backend == NULL)
return -1;
return 0;
}
-/* Deallocate a condition. */
+/* Deallocate a condition. */
static inline int
-__gthread_objc_condition_deallocate(objc_condition_t condition)
+__gthread_objc_condition_deallocate (objc_condition_t condition)
{
- if (NXCondFree((NXCond_t *)condition->backend) != 0)
+ if (NXCondFree ((NXCond_t *)condition->backend) != 0)
return -1;
condition->backend = NULL;
return 0;
/* Wait on the condition */
static inline int
-__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
+__gthread_objc_condition_wait (objc_condition_t condition, objc_mutex_t mutex)
{
- return NXCondWait((NXCond_t *)condition->backend, (NXMutex_t *)mutex->backend);
+ return NXCondWait ((NXCond_t *)condition->backend, (NXMutex_t *)mutex->backend);
}
-/* Wake up all threads waiting on this condition. */
+/* Wake up all threads waiting on this condition. */
static inline int
-__gthread_objc_condition_broadcast(objc_condition_t condition)
+__gthread_objc_condition_broadcast (objc_condition_t condition)
{
- return NXCondBroadcast((NXCond_t *)condition->backend);
+ return NXCondBroadcast ((NXCond_t *)condition->backend);
}
-/* Wake up one thread waiting on this condition. */
+/* Wake up one thread waiting on this condition. */
static inline int
-__gthread_objc_condition_signal(objc_condition_t condition)
+__gthread_objc_condition_signal (objc_condition_t condition)
{
- return NXCondSignal((NXCond_t *)condition->backend);
+ return NXCondSignal ((NXCond_t *)condition->backend);
}
#else /* _LIBOBJC */
#define __GTHREAD_ONCE_INIT 0
static inline int
-__gthread_once (__gthread_once_t *once, void (*func) (void))
+__gthread_once (__gthread_once_t *__once, void (*__func) (void))
{
- if (__compare_and_swap(once, 0, 1))
+ if (__compare_and_swap (__once, 0, 1))
{
- func();
- *once |= 2;
+ __func ();
+ *__once |= 2;
}
else
{
- while(!(*once & 2))
- NXThreadYield();
+ while (!(*__once & 2))
+ NXThreadYield ();
}
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 *))
{
- return NXKeyCreate (dtor, NULL, key);
+ return NXKeyCreate (__dtor, NULL, __key);
}
static inline int
-__gthread_key_dtor (__gthread_key_t key, void *ptr)
+__gthread_key_dtor (__gthread_key_t __key, void *__ptr)
{
/* Just reset the key value to zero. */
- if (ptr)
- return NXKeySetValue (key, NULL);
+ if (__ptr)
+ return NXKeySetValue (__key, NULL);
return 0;
}
static inline int
-__gthread_key_delete (__gthread_key_t key)
+__gthread_key_delete (__gthread_key_t __key)
{
- return NXKeyDelete (key);
+ return NXKeyDelete (__key);
}
static inline void *
-__gthread_getspecific (__gthread_key_t key)
+__gthread_getspecific (__gthread_key_t __key)
{
- void *value;
+ void *__value;
- if (NXKeyGetValue(key, &value) == 0)
- return value;
+ if (NXKeyGetValue (__key, &__value) == 0)
+ return __value;
return NULL;
}
static inline int
-__gthread_setspecific (__gthread_key_t key, const void *ptr)
+__gthread_setspecific (__gthread_key_t __key, const void *__ptr)
+{
+ return NXKeySetValue (__key, (void *)__ptr);
+}
+
+static inline void
+__gthread_mutex_init_function (__gthread_mutex_t *__mutex)
+{
+ static const NX_LOCK_INFO_ALLOC (__info, "GTHREADS", 0);
+
+ *__mutex = NXMutexAlloc (0, 0, &__info);
+}
+
+static inline int
+__gthread_mutex_destroy (__gthread_mutex_t * UNUSED(__mutex))
+{
+ return 0;
+}
+
+static inline int
+__gthread_mutex_lock (__gthread_mutex_t *__mutex)
+{
+ return NXLock (*__mutex);
+}
+
+static inline int
+__gthread_mutex_trylock (__gthread_mutex_t *__mutex)
+{
+ if (NXTryLock (*__mutex))
+ return 0;
+ return -1;
+}
+
+static inline int
+__gthread_mutex_unlock (__gthread_mutex_t *__mutex)
{
- return NXKeySetValue(key, (void *)ptr);
+ return NXUnlock (*__mutex);
}
static inline void
-__gthread_mutex_init_function (__gthread_mutex_t *mutex)
+__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex)
{
- static const NX_LOCK_INFO_ALLOC(info, "GTHREADS", 0);
+ static const NX_LOCK_INFO_ALLOC (__info, "GTHREADS", 0);
- *mutex = NXMutexAlloc (NX_MUTEX_RECURSIVE/*???*/, 0, &info);
+ *__mutex = NXMutexAlloc (NX_MUTEX_RECURSIVE, 0, &__info);
}
static inline int
-__gthread_mutex_lock (__gthread_mutex_t *mutex)
+__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
{
- return NXLock(*mutex);
+ return NXLock (*__mutex);
}
static inline int
-__gthread_mutex_trylock (__gthread_mutex_t *mutex)
+__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
{
- if (NXTryLock(*mutex))
+ if (NXTryLock (*__mutex))
return 0;
return -1;
}
static inline int
-__gthread_mutex_unlock (__gthread_mutex_t *mutex)
+__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
{
- return NXUnlock(*mutex);
+ return NXUnlock (*__mutex);
}
#endif /* _LIBOBJC */
-#endif /* not __gthr_nks_h */
+#endif /* not GCC_GTHR_NKS_H */
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