#ifndef GCC_GTHR_DCE_H
#define GCC_GTHR_DCE_H
#ifndef _DCE_THREADS
#include "gthr-single.h"
#else
#define __GTHREADS 1
#include <pthread.h>
#ifdef __cplusplus
#define UNUSED(x) x
#else
#define UNUSED(x) x __attribute__((unused))
#endif
typedef pthread_key_t __gthread_key_t;
typedef pthread_once_t __gthread_once_t;
typedef pthread_mutex_t __gthread_mutex_t;
#define __GTHREAD_ONCE_INIT pthread_once_init
#define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function
#define __GTHREAD_MUTEX_INIT_DEFAULT pthread_once_init
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
#pragma weak pthread_once
#pragma weak pthread_once_init
#pragma weak pthread_keycreate
#pragma weak pthread_key_delete
#pragma weak pthread_getspecific
#pragma weak pthread_setspecific
#pragma weak pthread_create
#pragma weak pthread_mutex_init
#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_getunique_np
#pragma weak pthread_mutex_destroy
#pragma weak pthread_self
#pragma weak pthread_yield
#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
static pthread_key_t _objc_thread_storage;
static void *thread_local_storage = NULL;
static inline int
__gthread_objc_init_thread_system(void)
{
if (__gthread_active_p ())
return pthread_keycreate (&_objc_thread_storage, NULL);
else
return -1;
}
static inline int
__gthread_objc_close_thread_system(void)
{
if (__gthread_active_p ())
return 0;
else
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, pthread_attr_default,
(void *)func, arg)) )
{
thread_id = *(objc_thread_t *)&new_thread_handle;
pthread_detach(&new_thread_handle);
}
else
thread_id = NULL;
return thread_id;
}
static inline int
__gthread_objc_thread_set_priority(int priority)
{
int sys_priority = 0;
if (!__gthread_active_p ())
return -1;
switch (priority)
{
case OBJC_THREAD_INTERACTIVE_PRIORITY:
sys_priority = (PRI_FG_MIN_NP + PRI_FG_MAX_NP) / 2;
break;
default:
case OBJC_THREAD_BACKGROUND_PRIORITY:
sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2;
break;
case OBJC_THREAD_LOW_PRIORITY:
sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2;
break;
}
if (pthread_setprio(pthread_self(), sys_priority) >= 0)
return 0;
else
return -1;
}
static inline int
__gthread_objc_thread_get_priority(void)
{
int sys_priority;
if (__gthread_active_p ())
{
if ((sys_priority = pthread_getprio(pthread_self())) >= 0)
{
if (sys_priority >= PRI_FG_MIN_NP
&& sys_priority <= PRI_FG_MAX_NP)
return OBJC_THREAD_INTERACTIVE_PRIORITY;
if (sys_priority >= PRI_BG_MIN_NP
&& sys_priority <= PRI_BG_MAX_NP)
return OBJC_THREAD_BACKGROUND_PRIORITY;
return OBJC_THREAD_LOW_PRIORITY;
}
return -1;
}
else
return OBJC_THREAD_INTERACTIVE_PRIORITY;
}
static inline void
__gthread_objc_thread_yield(void)
{
if (__gthread_active_p ())
pthread_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 ())
{
pthread_t self = pthread_self();
return (objc_thread_t) pthread_getunique_np (&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)
{
void *value = NULL;
if (__gthread_active_p ())
{
if ( !(pthread_getspecific(_objc_thread_storage, &value)) )
return value;
return NULL;
}
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,
pthread_mutexattr_default))
{
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 ())
{
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 ())
return pthread_mutex_lock((pthread_mutex_t *)mutex->backend);
else
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) != 1)
return -1;
return 0;
}
static inline int
__gthread_objc_mutex_unlock(objc_mutex_t mutex)
{
if (__gthread_active_p ())
return pthread_mutex_unlock((pthread_mutex_t *)mutex->backend);
else
return 0;
}
static inline int
__gthread_objc_condition_allocate(objc_condition_t condition)
{
if (__gthread_active_p ())
return -1;
else
return 0;
}
static inline int
__gthread_objc_condition_deallocate(objc_condition_t condition)
{
if (__gthread_active_p ())
return -1;
else
return 0;
}
static inline int
__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
{
if (__gthread_active_p ())
return -1;
else
return 0;
}
static inline int
__gthread_objc_condition_broadcast(objc_condition_t condition)
{
if (__gthread_active_p ())
return -1;
else
return 0;
}
static inline int
__gthread_objc_condition_signal(objc_condition_t condition)
{
if (__gthread_active_p ())
return -1;
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_keycreate (key, dtor);
}
static inline int
__gthread_key_dtor (UNUSED (__gthread_key_t key), UNUSED (void *ptr))
{
return 0;
}
static inline int
__gthread_key_delete (UNUSED (__gthread_key_t key))
{
return -1;
}
static inline void *
__gthread_getspecific (__gthread_key_t key)
{
void *ptr;
if (pthread_getspecific (key, &ptr) == 0)
return ptr;
else
return 0;
}
static inline int
__gthread_setspecific (__gthread_key_t key, const void *ptr)
{
return pthread_setspecific (key, (void *) ptr);
}
static inline void
__gthread_mutex_init_function (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
pthread_mutex_init (mutex, pthread_mutexattr_default);
}
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
#undef UNUSED
#endif
#endif