#ifndef GCC_GTHR_POSIX_H
#define GCC_GTHR_POSIX_H
#define __GTHREADS 1
#if !defined(_REENTRANT) && defined(__osf__)
#define _REENTRANT 1
#endif
#include <pthread.h>
#include <unistd.h>
typedef pthread_key_t __gthread_key_t;
typedef pthread_once_t __gthread_once_t;
typedef pthread_mutex_t __gthread_mutex_t;
typedef pthread_mutex_t __gthread_recursive_mutex_t;
#define __GTHREAD_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
#define __GTHREAD_ONCE_INIT PTHREAD_ONCE_INIT
#if defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER)
#define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER
#elif defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP)
#define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
#else
#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
#endif
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
# ifndef __gthrw_pragma
# define __gthrw_pragma(pragma)
# endif
# define __gthrw2(name,name2,type) \
static __typeof(type) name __attribute__ ((__weakref__(#name2))); \
__gthrw_pragma(weak type)
# define __gthrw_(name) __gthrw_ ## name
#else
# define __gthrw2(name,name2,type)
# define __gthrw_(name) name
#endif
#define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
#if defined(__osf__) && defined(_PTHREAD_USE_MANGLED_NAMES_)
#define __gthrw3(name) __gthrw2(__gthrw_ ## name, __ ## name, name)
__gthrw3(pthread_once)
__gthrw3(pthread_getspecific)
__gthrw3(pthread_setspecific)
__gthrw3(pthread_create)
__gthrw3(pthread_cancel)
__gthrw3(pthread_mutex_lock)
__gthrw3(pthread_mutex_trylock)
__gthrw3(pthread_mutex_unlock)
__gthrw3(pthread_mutex_init)
#else
__gthrw(pthread_once)
__gthrw(pthread_getspecific)
__gthrw(pthread_setspecific)
__gthrw(pthread_create)
__gthrw(pthread_cancel)
__gthrw(pthread_mutex_lock)
__gthrw(pthread_mutex_trylock)
__gthrw(pthread_mutex_unlock)
__gthrw(pthread_mutex_init)
#endif
__gthrw(pthread_key_create)
__gthrw(pthread_key_delete)
__gthrw(pthread_mutexattr_init)
__gthrw(pthread_mutexattr_settype)
__gthrw(pthread_mutexattr_destroy)
#if defined(_LIBOBJC) || defined(_LIBOBJC_WEAK)
#if defined(__osf__) && defined(_PTHREAD_USE_MANGLED_NAMES_)
__gthrw3(pthread_cond_broadcast)
__gthrw3(pthread_cond_destroy)
__gthrw3(pthread_cond_init)
__gthrw3(pthread_cond_signal)
__gthrw3(pthread_cond_wait)
__gthrw3(pthread_exit)
__gthrw3(pthread_mutex_destroy)
__gthrw3(pthread_self)
#else
__gthrw(pthread_cond_broadcast)
__gthrw(pthread_cond_destroy)
__gthrw(pthread_cond_init)
__gthrw(pthread_cond_signal)
__gthrw(pthread_cond_wait)
__gthrw(pthread_exit)
__gthrw(pthread_mutex_destroy)
__gthrw(pthread_self)
#endif
#ifdef _POSIX_PRIORITY_SCHEDULING
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
__gthrw(sched_get_priority_max)
__gthrw(sched_get_priority_min)
#endif
#endif
__gthrw(sched_yield)
__gthrw(pthread_attr_destroy)
__gthrw(pthread_attr_init)
__gthrw(pthread_attr_setdetachstate)
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
__gthrw(pthread_getschedparam)
__gthrw(pthread_setschedparam)
#endif
#endif
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
#if defined(__sun) && defined(__svr4__)
static volatile int __gthread_active = -1;
static void
__gthread_trigger (void)
{
__gthread_active = 1;
}
static inline int
__gthread_active_p (void)
{
static pthread_mutex_t __gthread_active_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_once_t __gthread_active_once = PTHREAD_ONCE_INIT;
int __gthread_active_latest_value = __gthread_active;
if (__builtin_expect (__gthread_active_latest_value < 0, 0))
{
if (__gthrw_(pthread_once))
{
__gthrw_(pthread_mutex_lock) (&__gthread_active_mutex);
__gthrw_(pthread_once) (&__gthread_active_once, __gthread_trigger);
__gthrw_(pthread_mutex_unlock) (&__gthread_active_mutex);
}
if (__gthread_active < 0)
__gthread_active = 0;
__gthread_active_latest_value = __gthread_active;
}
return __gthread_active_latest_value != 0;
}
#else
static inline int
__gthread_active_p (void)
{
static void *const __gthread_active_ptr
= __extension__ (void *) &__gthrw_(pthread_cancel);
return __gthread_active_ptr != 0;
}
#endif
#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 (__gthrw_(pthread_key_create) (&_objc_thread_storage, NULL) == 0)
{
if (__gthrw_(pthread_attr_init) (&_objc_thread_attribs) == 0
&& __gthrw_(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 ()
&& __gthrw_(pthread_key_delete) (_objc_thread_storage) == 0
&& __gthrw_(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 (!(__gthrw_(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
{
#ifdef _POSIX_PRIORITY_SCHEDULING
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
pthread_t thread_id = __gthrw_(pthread_self) ();
int policy;
struct sched_param params;
int priority_min, priority_max;
if (__gthrw_(pthread_getschedparam) (thread_id, &policy, ¶ms) == 0)
{
if ((priority_max = __gthrw_(sched_get_priority_max) (policy)) == -1)
return -1;
if ((priority_min = __gthrw_(sched_get_priority_min) (policy)) == -1)
return -1;
if (priority > priority_max)
priority = priority_max;
else if (priority < priority_min)
priority = priority_min;
params.sched_priority = priority;
if (__gthrw_(pthread_setschedparam) (thread_id, policy, ¶ms) == 0)
return 0;
}
#endif
#endif
return -1;
}
}
static inline int
__gthread_objc_thread_get_priority (void)
{
#ifdef _POSIX_PRIORITY_SCHEDULING
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
if (__gthread_active_p ())
{
int policy;
struct sched_param params;
if (__gthrw_(pthread_getschedparam) (__gthrw_(pthread_self) (), &policy, ¶ms) == 0)
return params.sched_priority;
else
return -1;
}
else
#endif
#endif
return OBJC_THREAD_INTERACTIVE_PRIORITY;
}
static inline void
__gthread_objc_thread_yield (void)
{
if (__gthread_active_p ())
__gthrw_(sched_yield) ();
}
static inline int
__gthread_objc_thread_exit (void)
{
if (__gthread_active_p ())
__gthrw_(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) __gthrw_(pthread_self) ();
else
return (objc_thread_t) 1;
}
static inline int
__gthread_objc_thread_set_data (void *value)
{
if (__gthread_active_p ())
return __gthrw_(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 __gthrw_(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 (__gthrw_(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 = __gthrw_(pthread_mutex_unlock) ((pthread_mutex_t *) mutex->backend);
if (count < 0)
return -1;
}
while (count);
if (__gthrw_(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 ()
&& __gthrw_(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 ()
&& __gthrw_(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 ()
&& __gthrw_(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 (__gthrw_(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 (__gthrw_(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 __gthrw_(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 __gthrw_(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 __gthrw_(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 __gthrw_(pthread_once) (once, func);
else
return -1;
}
static inline int
__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
{
return __gthrw_(pthread_key_create) (key, dtor);
}
static inline int
__gthread_key_delete (__gthread_key_t key)
{
return __gthrw_(pthread_key_delete) (key);
}
static inline void *
__gthread_getspecific (__gthread_key_t key)
{
return __gthrw_(pthread_getspecific) (key);
}
static inline int
__gthread_setspecific (__gthread_key_t key, const void *ptr)
{
return __gthrw_(pthread_setspecific) (key, ptr);
}
static inline int
__gthread_mutex_lock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return __gthrw_(pthread_mutex_lock) (mutex);
else
return 0;
}
static inline int
__gthread_mutex_trylock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return __gthrw_(pthread_mutex_trylock) (mutex);
else
return 0;
}
static inline int
__gthread_mutex_unlock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return __gthrw_(pthread_mutex_unlock) (mutex);
else
return 0;
}
#ifndef PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
static inline int
__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex)
{
if (__gthread_active_p ())
{
pthread_mutexattr_t attr;
int r;
r = __gthrw_(pthread_mutexattr_init) (&attr);
if (!r)
r = __gthrw_(pthread_mutexattr_settype) (&attr, PTHREAD_MUTEX_RECURSIVE);
if (!r)
r = __gthrw_(pthread_mutex_init) (mutex, &attr);
if (!r)
r = __gthrw_(pthread_mutexattr_destroy) (&attr);
return r;
}
return 0;
}
#endif
static inline int
__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
{
return __gthread_mutex_lock (mutex);
}
static inline int
__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex)
{
return __gthread_mutex_trylock (mutex);
}
static inline int
__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
{
return __gthread_mutex_unlock (mutex);
}
#endif
#endif