#ifndef __gthr_nks_h
#define __gthr_nks_h
#define __GTHREADS 1
#define NKS_NO_INLINE_FUNCS
#include <nksapi.h>
#include <string.h>
typedef NXKey_t __gthread_key_t;
typedef NXMutex_t *__gthread_mutex_t;
#define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function
static inline int
__gthread_active_p (void)
{
return 1;
}
#ifdef _LIBOBJC
#include <config.h>
#ifdef HAVE_SCHED_H
# include <sched.h>
#endif
static NXKey_t _objc_thread_storage;
static inline int
__gthread_objc_init_thread_system(void)
{
if (NXKeyCreate(NULL, NULL, &_objc_thread_storage) == 0)
return 0;
return -1;
}
static inline int
__gthread_objc_close_thread_system(void)
{
if (NXKeyDelete(_objc_thread_storage) == 0)
return 0;
return -1;
}
static inline objc_thread_t
__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)
thread_id = NULL;
else if (NXThreadCreate(context, NX_THR_DETACHED, &new_thread_handle) == 0)
thread_id = (objc_thread_t) new_thread_handle;
else {
NXContextFree(context);
thread_id = NULL;
}
return thread_id;
}
static inline int
__gthread_objc_thread_set_priority(int priority)
{
if (NXThreadSetPriority(NXThreadGetId(), priority) == 0)
return 0;
return -1;
}
static inline int
__gthread_objc_thread_get_priority(void)
{
int priority;
if (NXThreadGetPriority(NXThreadGetId(), &priority) == 0)
return priority;
return -1;
}
static inline void
__gthread_objc_thread_yield(void)
{
NXThreadYield();
}
static inline int
__gthread_objc_thread_exit(void)
{
NXThreadExit(&__objc_thread_exit_status);
return -1;
}
static inline objc_thread_t
__gthread_objc_thread_id(void)
{
(objc_thread_t) NXThreadGetId();
}
static inline int
__gthread_objc_thread_set_data(void *value)
{
return NXKeySetValue(_objc_thread_storage, value);
}
static inline void *
__gthread_objc_thread_get_data(void)
{
void *value;
if (NXKeyGetValue(_objc_thread_storage, &value) == 0)
return value;
return NULL;
}
static inline int
__gthread_objc_mutex_allocate(objc_mutex_t mutex)
{
static const NX_LOCK_INFO_ALLOC(info, "GNU ObjC", 0);
if ((mutex->backend = NXMutexAlloc(NX_MUTEX_RECURSIVE, 0, &info)) == NULL)
return 0;
return -1;
}
static inline int
__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)
return -1;
mutex->backend = NULL;
return 0;
}
static inline int
__gthread_objc_mutex_lock(objc_mutex_t mutex)
{
return NXLock((NXMutex_t *)mutex->backend);
}
static inline int
__gthread_objc_mutex_trylock(objc_mutex_t mutex)
{
if (!NXTryLock((NXMutex_t *)mutex->backend))
return -1;
return 0;
}
static inline int
__gthread_objc_mutex_unlock(objc_mutex_t mutex)
{
return NXUnlock((NXMutex_t *)mutex->backend);
}
static inline int
__gthread_objc_condition_allocate(objc_condition_t condition)
{
condition->backend = NXCondAlloc(NULL);
if (condition->backend == NULL)
return -1;
return 0;
}
static inline int
__gthread_objc_condition_deallocate(objc_condition_t condition)
{
if (NXCondFree((NXCond_t *)condition->backend) != 0)
return -1;
condition->backend = NULL;
return 0;
}
static inline int
__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
{
return NXCondWait((NXCond_t *)condition->backend, (NXMutex_t *)mutex->backend);
}
static inline int
__gthread_objc_condition_broadcast(objc_condition_t condition)
{
return NXCondBroadcast((NXCond_t *)condition->backend);
}
static inline int
__gthread_objc_condition_signal(objc_condition_t condition)
{
return NXCondSignal((NXCond_t *)condition->backend);
}
#else
#if defined(__cplusplus)
# include <bits/atomicity.h>
#elif defined(_M_IA64) || defined(__ia64__)
# include <../libstdc++-v3/config/cpu/ia64/bits/atomicity.h>
#elif defined(_M_IX86) || defined(__i486__)
# include <../libstdc++-v3/config/cpu/i486/bits/atomicity.h>
#elif defined(_M_AMD64) || defined(__x86_64__)
# include <../libstdc++-v3/config/cpu/x86-64/bits/atomicity.h>
#endif
typedef volatile long __gthread_once_t;
#define __GTHREAD_ONCE_INIT 0
static inline int
__gthread_once (__gthread_once_t *once, void (*func) (void))
{
if (__compare_and_swap(once, 0, 1))
{
func();
*once |= 2;
}
else
{
while(!(*once & 2))
NXThreadYield();
}
return 0;
}
static inline int
__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
{
return NXKeyCreate (dtor, NULL, key);
}
static inline int
__gthread_key_dtor (__gthread_key_t key, void *ptr)
{
if (ptr)
return NXKeySetValue (key, NULL);
return 0;
}
static inline int
__gthread_key_delete (__gthread_key_t key)
{
return NXKeyDelete (key);
}
static inline void *
__gthread_getspecific (__gthread_key_t key)
{
void *value;
if (NXKeyGetValue(key, &value) == 0)
return value;
return NULL;
}
static inline int
__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 (NX_MUTEX_RECURSIVE, 0, &info);
}
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 NXUnlock(*mutex);
}
#endif
#endif