#ifndef GCC_GTHR_POSIX_H
#define GCC_GTHR_POSIX_H
#define __GTHREADS 1
#include <pthread.h>
typedef pthread_key_t __gthread_key_t;
typedef pthread_once_t __gthread_once_t;
typedef pthread_mutex_t __gthread_mutex_t;
#define __GTHREAD_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
#define __GTHREAD_ONCE_INIT PTHREAD_ONCE_INIT
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
#pragma weak pthread_once
#pragma weak pthread_key_create
#pragma weak pthread_key_delete
#pragma weak pthread_getspecific
#pragma weak pthread_setspecific
#pragma weak pthread_create
#pragma weak pthread_mutex_lock
#pragma weak pthread_mutex_trylock
#pragma weak pthread_mutex_unlock
#ifdef _LIBOBJC
#pragma weak pthread_cond_broadcast
#pragma weak pthread_cond_destroy
#pragma weak pthread_cond_init
#pragma weak pthread_cond_signal
#pragma weak pthread_cond_wait
#pragma weak pthread_exit
#pragma weak pthread_mutex_init
#pragma weak pthread_mutex_destroy
#pragma weak pthread_self
#pragma weak sched_get_priority_max
#pragma weak sched_get_priority_min
#pragma weak sched_yield
#pragma weak pthread_attr_destroy
#pragma weak pthread_attr_init
#pragma weak pthread_attr_setdetachstate
#pragma weak pthread_getschedparam
#pragma weak pthread_setschedparam
#endif
static inline int
__gthread_active_p (void)
{
static void *const __gthread_active_ptr = (void *) &pthread_create;
return __gthread_active_ptr != 0;
}
#else
static inline int
__gthread_active_p (void)
{
return 1;
}
#endif
#ifdef _LIBOBJC
#include <config.h>
#ifdef HAVE_SCHED_H
# include <sched.h>
#endif
static pthread_key_t _objc_thread_storage;
static pthread_attr_t _objc_thread_attribs;
static void *thread_local_storage = NULL;
static inline int
__gthread_objc_init_thread_system(void)
{
if (__gthread_active_p ())
{
if (pthread_key_create(&_objc_thread_storage, NULL) == 0)
{
if (pthread_attr_init(&_objc_thread_attribs) == 0
&& pthread_attr_setdetachstate(&_objc_thread_attribs,
PTHREAD_CREATE_DETACHED) == 0)
return 0;
}
}
return -1;
}
static inline int
__gthread_objc_close_thread_system(void)
{
if (__gthread_active_p ()
&& pthread_key_delete(_objc_thread_storage) == 0
&& pthread_attr_destroy(&_objc_thread_attribs) == 0)
return 0;
return -1;
}
static inline objc_thread_t
__gthread_objc_thread_detach(void (*func)(void *), void *arg)
{
objc_thread_t thread_id;
pthread_t new_thread_handle;
if (!__gthread_active_p ())
return NULL;
if ( !(pthread_create(&new_thread_handle, NULL, (void *)func, arg)) )
thread_id = (objc_thread_t) new_thread_handle;
else
thread_id = NULL;
return thread_id;
}
static inline int
__gthread_objc_thread_set_priority(int priority)
{
if (!__gthread_active_p())
return -1;
else {
pthread_t thread_id = pthread_self();
int policy;
struct sched_param params;
int priority_min, priority_max;
if (pthread_getschedparam(thread_id, &policy, ¶ms) == 0)
{
if ((priority_max = sched_get_priority_max(policy)) != 0)
return -1;
if ((priority_min = sched_get_priority_min(policy)) != 0)
return -1;
if (priority > priority_max)
priority = priority_max;
else if (priority < priority_min)
priority = priority_min;
params.sched_priority = priority;
if (pthread_setschedparam(thread_id, policy, ¶ms) == 0)
return 0;
}
return -1;
}
}
static inline int
__gthread_objc_thread_get_priority(void)
{
if (__gthread_active_p ())
{
int policy;
struct sched_param params;
if (pthread_getschedparam(pthread_self(), &policy, ¶ms) == 0)
return params.sched_priority;
else
return -1;
}
else
return OBJC_THREAD_INTERACTIVE_PRIORITY;
}
static inline void
__gthread_objc_thread_yield(void)
{
if (__gthread_active_p ())
sched_yield();
}
static inline int
__gthread_objc_thread_exit(void)
{
if (__gthread_active_p ())
pthread_exit(&__objc_thread_exit_status);
return -1;
}
static inline objc_thread_t
__gthread_objc_thread_id(void)
{
if (__gthread_active_p ())
return (objc_thread_t) pthread_self();
else
return (objc_thread_t) 1;
}
static inline int
__gthread_objc_thread_set_data(void *value)
{
if (__gthread_active_p ())
return pthread_setspecific(_objc_thread_storage, value);
else
{
thread_local_storage = value;
return 0;
}
}
static inline void *
__gthread_objc_thread_get_data(void)
{
if (__gthread_active_p ())
return pthread_getspecific(_objc_thread_storage);
else
return thread_local_storage;
}
static inline int
__gthread_objc_mutex_allocate(objc_mutex_t mutex)
{
if (__gthread_active_p ())
{
mutex->backend = objc_malloc(sizeof(pthread_mutex_t));
if (pthread_mutex_init((pthread_mutex_t *)mutex->backend, NULL))
{
objc_free(mutex->backend);
mutex->backend = NULL;
return -1;
}
}
return 0;
}
static inline int
__gthread_objc_mutex_deallocate(objc_mutex_t mutex)
{
if (__gthread_active_p ())
{
int count;
do
{
count = pthread_mutex_unlock((pthread_mutex_t *)mutex->backend);
if (count < 0)
return -1;
}
while (count);
if (pthread_mutex_destroy((pthread_mutex_t *)mutex->backend))
return -1;
objc_free(mutex->backend);
mutex->backend = NULL;
}
return 0;
}
static inline int
__gthread_objc_mutex_lock(objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& pthread_mutex_lock((pthread_mutex_t *)mutex->backend) != 0)
{
return -1;
}
return 0;
}
static inline int
__gthread_objc_mutex_trylock(objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& pthread_mutex_trylock((pthread_mutex_t *)mutex->backend) != 0)
{
return -1;
}
return 0;
}
static inline int
__gthread_objc_mutex_unlock(objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& pthread_mutex_unlock((pthread_mutex_t *)mutex->backend) != 0)
{
return -1;
}
return 0;
}
static inline int
__gthread_objc_condition_allocate(objc_condition_t condition)
{
if (__gthread_active_p ())
{
condition->backend = objc_malloc(sizeof(pthread_cond_t));
if (pthread_cond_init((pthread_cond_t *)condition->backend, NULL))
{
objc_free(condition->backend);
condition->backend = NULL;
return -1;
}
}
return 0;
}
static inline int
__gthread_objc_condition_deallocate(objc_condition_t condition)
{
if (__gthread_active_p ())
{
if (pthread_cond_destroy((pthread_cond_t *)condition->backend))
return -1;
objc_free(condition->backend);
condition->backend = NULL;
}
return 0;
}
static inline int
__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
{
if (__gthread_active_p ())
return pthread_cond_wait((pthread_cond_t *)condition->backend,
(pthread_mutex_t *)mutex->backend);
else
return 0;
}
static inline int
__gthread_objc_condition_broadcast(objc_condition_t condition)
{
if (__gthread_active_p ())
return pthread_cond_broadcast((pthread_cond_t *)condition->backend);
else
return 0;
}
static inline int
__gthread_objc_condition_signal(objc_condition_t condition)
{
if (__gthread_active_p ())
return pthread_cond_signal((pthread_cond_t *)condition->backend);
else
return 0;
}
#else
static inline int
__gthread_once (__gthread_once_t *once, void (*func) (void))
{
if (__gthread_active_p ())
return pthread_once (once, func);
else
return -1;
}
static inline int
__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
{
return pthread_key_create (key, dtor);
}
static inline int
__gthread_key_dtor (__gthread_key_t key, void *ptr)
{
if (ptr)
return pthread_setspecific (key, 0);
else
return 0;
}
static inline int
__gthread_key_delete (__gthread_key_t key)
{
return pthread_key_delete (key);
}
static inline void *
__gthread_getspecific (__gthread_key_t key)
{
return pthread_getspecific (key);
}
static inline int
__gthread_setspecific (__gthread_key_t key, const void *ptr)
{
return pthread_setspecific (key, ptr);
}
static inline int
__gthread_mutex_lock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return pthread_mutex_lock (mutex);
else
return 0;
}
static inline int
__gthread_mutex_trylock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return pthread_mutex_trylock (mutex);
else
return 0;
}
static inline int
__gthread_mutex_unlock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return pthread_mutex_unlock (mutex);
else
return 0;
}
#endif
#endif