/* Threads compatibility routines for libgcc2 and libobjc. */
|
/* Threads compatibility routines for libgcc2 and libobjc. */
|
/* Compile this one with gcc. */
|
/* Compile this one with gcc. */
|
/* Copyright (C) 1997, 1999, 2000, 2001, 2004, 2005
|
/* Copyright (C) 1997, 1999, 2000, 2001, 2004, 2005
|
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
|
|
|
This file is part of GCC.
|
This file is part of GCC.
|
|
|
GCC is free software; you can redistribute it and/or modify it under
|
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
|
the terms of the GNU General Public License as published by the Free
|
Software Foundation; either version 2, or (at your option) any later
|
Software Foundation; either version 2, or (at your option) any later
|
version.
|
version.
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
for more details.
|
for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
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
|
along with GCC; see the file COPYING. If not, write to the Free
|
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
|
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
|
02110-1301, USA. */
|
02110-1301, USA. */
|
|
|
/* As a special exception, if you link this library with other files,
|
/* As a special exception, if you link this library with other files,
|
some of which are compiled with GCC, to produce an executable,
|
some of which are compiled with GCC, to produce an executable,
|
this library does not by itself cause the resulting executable
|
this library does not by itself cause the resulting executable
|
to be covered by the GNU General Public License.
|
to be covered by the GNU General Public License.
|
This exception does not however invalidate any other reasons why
|
This exception does not however invalidate any other reasons why
|
the executable file might be covered by the GNU General Public License. */
|
the executable file might be covered by the GNU General Public License. */
|
|
|
#ifndef GCC_GTHR_DCE_H
|
#ifndef GCC_GTHR_DCE_H
|
#define GCC_GTHR_DCE_H
|
#define GCC_GTHR_DCE_H
|
|
|
/* If _DCE_THREADS is not defined, then we're building the single
|
/* If _DCE_THREADS is not defined, then we're building the single
|
threaded version of the libraries and do not want to reference
|
threaded version of the libraries and do not want to reference
|
anything related to pthreads or dce. */
|
anything related to pthreads or dce. */
|
#ifndef _DCE_THREADS
|
#ifndef _DCE_THREADS
|
#include "gthr-single.h"
|
#include "gthr-single.h"
|
#else
|
#else
|
/* DCE threads interface.
|
/* DCE threads interface.
|
DCE threads are based on POSIX threads draft 4, and many things
|
DCE threads are based on POSIX threads draft 4, and many things
|
have changed since then. */
|
have changed since then. */
|
|
|
#define __GTHREADS 1
|
#define __GTHREADS 1
|
|
|
#include <pthread.h>
|
#include <pthread.h>
|
|
|
typedef pthread_key_t __gthread_key_t;
|
typedef pthread_key_t __gthread_key_t;
|
typedef pthread_once_t __gthread_once_t;
|
typedef pthread_once_t __gthread_once_t;
|
typedef pthread_mutex_t __gthread_mutex_t;
|
typedef pthread_mutex_t __gthread_mutex_t;
|
typedef pthread_mutex_t __gthread_recursive_mutex_t;
|
typedef pthread_mutex_t __gthread_recursive_mutex_t;
|
|
|
#define __GTHREAD_ONCE_INIT pthread_once_init
|
#define __GTHREAD_ONCE_INIT pthread_once_init
|
|
|
#define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function
|
#define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function
|
#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
|
#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
|
|
|
#define __GTHREAD_MUTEX_INIT_DEFAULT pthread_once_init
|
#define __GTHREAD_MUTEX_INIT_DEFAULT pthread_once_init
|
|
|
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
|
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
|
# define __gthrw(name) \
|
# define __gthrw(name) \
|
static __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name)));
|
static __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name)));
|
# define __gthrw_(name) __gthrw_ ## name
|
# define __gthrw_(name) __gthrw_ ## name
|
#else
|
#else
|
# define __gthrw(name)
|
# define __gthrw(name)
|
# define __gthrw_(name) name
|
# define __gthrw_(name) name
|
#endif
|
#endif
|
|
|
__gthrw(pthread_once)
|
__gthrw(pthread_once)
|
__gthrw(pthread_keycreate)
|
__gthrw(pthread_keycreate)
|
__gthrw(pthread_getspecific)
|
__gthrw(pthread_getspecific)
|
__gthrw(pthread_setspecific)
|
__gthrw(pthread_setspecific)
|
__gthrw(pthread_create)
|
__gthrw(pthread_create)
|
__gthrw(pthread_mutex_init)
|
__gthrw(pthread_mutex_init)
|
__gthrw(pthread_mutex_lock)
|
__gthrw(pthread_mutex_lock)
|
__gthrw(pthread_mutex_trylock)
|
__gthrw(pthread_mutex_trylock)
|
__gthrw(pthread_mutex_unlock)
|
__gthrw(pthread_mutex_unlock)
|
__gthrw(pthread_mutexattr_create)
|
__gthrw(pthread_mutexattr_create)
|
__gthrw(pthread_mutexattr_setkind_np)
|
__gthrw(pthread_mutexattr_setkind_np)
|
__gthrw(pthread_mutexattr_delete)
|
__gthrw(pthread_mutexattr_delete)
|
|
|
#ifdef _LIBOBJC
|
#ifdef _LIBOBJC
|
/* Objective-C. */
|
/* Objective-C. */
|
__gthrw(pthread_cond_broadcast)
|
__gthrw(pthread_cond_broadcast)
|
__gthrw(pthread_cond_destroy)
|
__gthrw(pthread_cond_destroy)
|
__gthrw(pthread_cond_init)
|
__gthrw(pthread_cond_init)
|
__gthrw(pthread_cond_signal)
|
__gthrw(pthread_cond_signal)
|
__gthrw(pthread_cond_wait)
|
__gthrw(pthread_cond_wait)
|
__gthrw(pthread_exit)
|
__gthrw(pthread_exit)
|
|
|
#ifdef pthread_getunique_np
|
#ifdef pthread_getunique_np
|
# define __gthrw_pthread_getunique_np pthread_getunique_np
|
# define __gthrw_pthread_getunique_np pthread_getunique_np
|
#else
|
#else
|
__gthrw(pthread_getunique_np)
|
__gthrw(pthread_getunique_np)
|
# define __gthrw_pthread_getunique_np __gthrw_(pthread_getunique_np)
|
# define __gthrw_pthread_getunique_np __gthrw_(pthread_getunique_np)
|
#endif
|
#endif
|
|
|
__gthrw(pthread_mutex_destroy)
|
__gthrw(pthread_mutex_destroy)
|
__gthrw(pthread_self)
|
__gthrw(pthread_self)
|
__gthrw(pthread_yield)
|
__gthrw(pthread_yield)
|
#endif
|
#endif
|
|
|
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
|
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
|
|
|
static inline int
|
static inline int
|
__gthread_active_p (void)
|
__gthread_active_p (void)
|
{
|
{
|
static void *const __gthread_active_ptr = (void *) &__gthrw_(pthread_create);
|
static void *const __gthread_active_ptr = (void *) &__gthrw_(pthread_create);
|
return __gthread_active_ptr != 0;
|
return __gthread_active_ptr != 0;
|
}
|
}
|
|
|
#else /* not SUPPORTS_WEAK */
|
#else /* not SUPPORTS_WEAK */
|
|
|
static inline int
|
static inline int
|
__gthread_active_p (void)
|
__gthread_active_p (void)
|
{
|
{
|
return 1;
|
return 1;
|
}
|
}
|
|
|
#endif /* SUPPORTS_WEAK */
|
#endif /* SUPPORTS_WEAK */
|
|
|
#ifdef _LIBOBJC
|
#ifdef _LIBOBJC
|
|
|
/* Key structure for maintaining thread specific storage */
|
/* Key structure for maintaining thread specific storage */
|
static pthread_key_t _objc_thread_storage;
|
static pthread_key_t _objc_thread_storage;
|
|
|
/* Thread local storage for a single thread */
|
/* Thread local storage for a single thread */
|
static void *thread_local_storage = NULL;
|
static void *thread_local_storage = NULL;
|
|
|
/* Backend initialization functions */
|
/* Backend initialization functions */
|
|
|
/* Initialize the threads subsystem. */
|
/* Initialize the threads subsystem. */
|
static inline int
|
static inline int
|
__gthread_objc_init_thread_system (void)
|
__gthread_objc_init_thread_system (void)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
/* Initialize the thread storage key. */
|
/* Initialize the thread storage key. */
|
return __gthrw_(pthread_keycreate) (&_objc_thread_storage, NULL);
|
return __gthrw_(pthread_keycreate) (&_objc_thread_storage, NULL);
|
else
|
else
|
return -1;
|
return -1;
|
}
|
}
|
|
|
/* Close the threads subsystem. */
|
/* Close the threads subsystem. */
|
static inline int
|
static inline int
|
__gthread_objc_close_thread_system (void)
|
__gthread_objc_close_thread_system (void)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
return 0;
|
return 0;
|
else
|
else
|
return -1;
|
return -1;
|
}
|
}
|
|
|
/* Backend thread functions */
|
/* Backend thread functions */
|
|
|
/* Create a new thread of execution. */
|
/* Create a new thread of execution. */
|
static inline objc_thread_t
|
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;
|
objc_thread_t thread_id;
|
pthread_t new_thread_handle;
|
pthread_t new_thread_handle;
|
|
|
if (!__gthread_active_p ())
|
if (!__gthread_active_p ())
|
return NULL;
|
return NULL;
|
|
|
if (!(__gthrw_(pthread_create) (&new_thread_handle, pthread_attr_default,
|
if (!(__gthrw_(pthread_create) (&new_thread_handle, pthread_attr_default,
|
(void *) func, arg)))
|
(void *) func, arg)))
|
{
|
{
|
/* ??? May not work! (64bit) */
|
/* ??? May not work! (64bit) */
|
thread_id = *(objc_thread_t *) &new_thread_handle;
|
thread_id = *(objc_thread_t *) &new_thread_handle;
|
pthread_detach (&new_thread_handle); /* Fully detach thread. */
|
pthread_detach (&new_thread_handle); /* Fully detach thread. */
|
}
|
}
|
else
|
else
|
thread_id = NULL;
|
thread_id = NULL;
|
|
|
return thread_id;
|
return thread_id;
|
}
|
}
|
|
|
/* Set the current thread's priority. */
|
/* Set the current thread's priority. */
|
static inline int
|
static inline int
|
__gthread_objc_thread_set_priority (int priority)
|
__gthread_objc_thread_set_priority (int priority)
|
{
|
{
|
int sys_priority = 0;
|
int sys_priority = 0;
|
|
|
if (!__gthread_active_p ())
|
if (!__gthread_active_p ())
|
return -1;
|
return -1;
|
|
|
switch (priority)
|
switch (priority)
|
{
|
{
|
case OBJC_THREAD_INTERACTIVE_PRIORITY:
|
case OBJC_THREAD_INTERACTIVE_PRIORITY:
|
sys_priority = (PRI_FG_MIN_NP + PRI_FG_MAX_NP) / 2;
|
sys_priority = (PRI_FG_MIN_NP + PRI_FG_MAX_NP) / 2;
|
break;
|
break;
|
default:
|
default:
|
case OBJC_THREAD_BACKGROUND_PRIORITY:
|
case OBJC_THREAD_BACKGROUND_PRIORITY:
|
sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2;
|
sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2;
|
break;
|
break;
|
case OBJC_THREAD_LOW_PRIORITY:
|
case OBJC_THREAD_LOW_PRIORITY:
|
sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2;
|
sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2;
|
break;
|
break;
|
}
|
}
|
|
|
/* Change the priority. */
|
/* Change the priority. */
|
if (pthread_setprio (__gthrw_(pthread_self) (), sys_priority) >= 0)
|
if (pthread_setprio (__gthrw_(pthread_self) (), sys_priority) >= 0)
|
return 0;
|
return 0;
|
else
|
else
|
/* Failed */
|
/* Failed */
|
return -1;
|
return -1;
|
}
|
}
|
|
|
/* Return the current thread's priority. */
|
/* Return the current thread's priority. */
|
static inline int
|
static inline int
|
__gthread_objc_thread_get_priority (void)
|
__gthread_objc_thread_get_priority (void)
|
{
|
{
|
int sys_priority;
|
int sys_priority;
|
|
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
{
|
{
|
if ((sys_priority = pthread_getprio (__gthrw_(pthread_self) ())) >= 0)
|
if ((sys_priority = pthread_getprio (__gthrw_(pthread_self) ())) >= 0)
|
{
|
{
|
if (sys_priority >= PRI_FG_MIN_NP
|
if (sys_priority >= PRI_FG_MIN_NP
|
&& sys_priority <= PRI_FG_MAX_NP)
|
&& sys_priority <= PRI_FG_MAX_NP)
|
return OBJC_THREAD_INTERACTIVE_PRIORITY;
|
return OBJC_THREAD_INTERACTIVE_PRIORITY;
|
if (sys_priority >= PRI_BG_MIN_NP
|
if (sys_priority >= PRI_BG_MIN_NP
|
&& sys_priority <= PRI_BG_MAX_NP)
|
&& sys_priority <= PRI_BG_MAX_NP)
|
return OBJC_THREAD_BACKGROUND_PRIORITY;
|
return OBJC_THREAD_BACKGROUND_PRIORITY;
|
return OBJC_THREAD_LOW_PRIORITY;
|
return OBJC_THREAD_LOW_PRIORITY;
|
}
|
}
|
|
|
/* Failed */
|
/* Failed */
|
return -1;
|
return -1;
|
}
|
}
|
else
|
else
|
return OBJC_THREAD_INTERACTIVE_PRIORITY;
|
return OBJC_THREAD_INTERACTIVE_PRIORITY;
|
}
|
}
|
|
|
/* Yield our process time to another thread. */
|
/* Yield our process time to another thread. */
|
static inline void
|
static inline void
|
__gthread_objc_thread_yield (void)
|
__gthread_objc_thread_yield (void)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
__gthrw_(pthread_yield) ();
|
__gthrw_(pthread_yield) ();
|
}
|
}
|
|
|
/* Terminate the current thread. */
|
/* Terminate the current thread. */
|
static inline int
|
static inline int
|
__gthread_objc_thread_exit (void)
|
__gthread_objc_thread_exit (void)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
/* exit the thread */
|
/* exit the thread */
|
__gthrw_(pthread_exit) (&__objc_thread_exit_status);
|
__gthrw_(pthread_exit) (&__objc_thread_exit_status);
|
|
|
/* Failed if we reached here */
|
/* Failed if we reached here */
|
return -1;
|
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
|
static inline objc_thread_t
|
__gthread_objc_thread_id (void)
|
__gthread_objc_thread_id (void)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
{
|
{
|
pthread_t self = __gthrw_(pthread_self) ();
|
pthread_t self = __gthrw_(pthread_self) ();
|
|
|
return (objc_thread_t) __gthrw_pthread_getunique_np (&self);
|
return (objc_thread_t) __gthrw_pthread_getunique_np (&self);
|
}
|
}
|
else
|
else
|
return (objc_thread_t) 1;
|
return (objc_thread_t) 1;
|
}
|
}
|
|
|
/* Sets the thread's local storage pointer. */
|
/* Sets the thread's local storage pointer. */
|
static inline int
|
static inline int
|
__gthread_objc_thread_set_data (void *value)
|
__gthread_objc_thread_set_data (void *value)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
return __gthrw_(pthread_setspecific) (_objc_thread_storage, value);
|
return __gthrw_(pthread_setspecific) (_objc_thread_storage, value);
|
else
|
else
|
{
|
{
|
thread_local_storage = value;
|
thread_local_storage = value;
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
/* Returns the thread's local storage pointer. */
|
/* Returns the thread's local storage pointer. */
|
static inline void *
|
static inline void *
|
__gthread_objc_thread_get_data (void)
|
__gthread_objc_thread_get_data (void)
|
{
|
{
|
void *value = NULL;
|
void *value = NULL;
|
|
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
{
|
{
|
if (!(__gthrw_(pthread_getspecific) (_objc_thread_storage, &value)))
|
if (!(__gthrw_(pthread_getspecific) (_objc_thread_storage, &value)))
|
return value;
|
return value;
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
else
|
else
|
return thread_local_storage;
|
return thread_local_storage;
|
}
|
}
|
|
|
/* Backend mutex functions */
|
/* Backend mutex functions */
|
|
|
/* Allocate a mutex. */
|
/* Allocate a mutex. */
|
static inline int
|
static inline int
|
__gthread_objc_mutex_allocate (objc_mutex_t mutex)
|
__gthread_objc_mutex_allocate (objc_mutex_t mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
{
|
{
|
mutex->backend = objc_malloc (sizeof (pthread_mutex_t));
|
mutex->backend = objc_malloc (sizeof (pthread_mutex_t));
|
|
|
if (__gthrw_(pthread_mutex_init) ((pthread_mutex_t *) mutex->backend,
|
if (__gthrw_(pthread_mutex_init) ((pthread_mutex_t *) mutex->backend,
|
pthread_mutexattr_default))
|
pthread_mutexattr_default))
|
{
|
{
|
objc_free (mutex->backend);
|
objc_free (mutex->backend);
|
mutex->backend = NULL;
|
mutex->backend = NULL;
|
return -1;
|
return -1;
|
}
|
}
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Deallocate a mutex. */
|
/* Deallocate a mutex. */
|
static inline int
|
static inline int
|
__gthread_objc_mutex_deallocate (objc_mutex_t mutex)
|
__gthread_objc_mutex_deallocate (objc_mutex_t mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
{
|
{
|
if (__gthrw_(pthread_mutex_destroy) ((pthread_mutex_t *) mutex->backend))
|
if (__gthrw_(pthread_mutex_destroy) ((pthread_mutex_t *) mutex->backend))
|
return -1;
|
return -1;
|
|
|
objc_free (mutex->backend);
|
objc_free (mutex->backend);
|
mutex->backend = NULL;
|
mutex->backend = NULL;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Grab a lock on a mutex. */
|
/* Grab a lock on a mutex. */
|
static inline int
|
static inline int
|
__gthread_objc_mutex_lock (objc_mutex_t mutex)
|
__gthread_objc_mutex_lock (objc_mutex_t mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
return __gthrw_(pthread_mutex_lock) ((pthread_mutex_t *) mutex->backend);
|
return __gthrw_(pthread_mutex_lock) ((pthread_mutex_t *) mutex->backend);
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Try to grab a lock on a mutex. */
|
/* Try to grab a lock on a mutex. */
|
static inline int
|
static inline int
|
__gthread_objc_mutex_trylock (objc_mutex_t mutex)
|
__gthread_objc_mutex_trylock (objc_mutex_t mutex)
|
{
|
{
|
if (__gthread_active_p ()
|
if (__gthread_active_p ()
|
&& __gthrw_(pthread_mutex_trylock) ((pthread_mutex_t *) mutex->backend) != 1)
|
&& __gthrw_(pthread_mutex_trylock) ((pthread_mutex_t *) mutex->backend) != 1)
|
return -1;
|
return -1;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Unlock the mutex */
|
/* Unlock the mutex */
|
static inline int
|
static inline int
|
__gthread_objc_mutex_unlock (objc_mutex_t mutex)
|
__gthread_objc_mutex_unlock (objc_mutex_t mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
return __gthrw_(pthread_mutex_unlock) ((pthread_mutex_t *) mutex->backend);
|
return __gthrw_(pthread_mutex_unlock) ((pthread_mutex_t *) mutex->backend);
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Backend condition mutex functions */
|
/* Backend condition mutex functions */
|
|
|
/* Allocate a condition. */
|
/* Allocate a condition. */
|
static inline int
|
static inline int
|
__gthread_objc_condition_allocate (objc_condition_t condition
|
__gthread_objc_condition_allocate (objc_condition_t condition
|
__attribute__ ((__unused__)))
|
__attribute__ ((__unused__)))
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
/* Unimplemented. */
|
/* Unimplemented. */
|
return -1;
|
return -1;
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Deallocate a condition. */
|
/* Deallocate a condition. */
|
static inline int
|
static inline int
|
__gthread_objc_condition_deallocate (objc_condition_t condition
|
__gthread_objc_condition_deallocate (objc_condition_t condition
|
__attribute__ ((__unused__)))
|
__attribute__ ((__unused__)))
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
/* Unimplemented. */
|
/* Unimplemented. */
|
return -1;
|
return -1;
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Wait on the condition */
|
/* Wait on the condition */
|
static inline int
|
static inline int
|
__gthread_objc_condition_wait (objc_condition_t condition
|
__gthread_objc_condition_wait (objc_condition_t condition
|
__attribute__ ((__unused__)),
|
__attribute__ ((__unused__)),
|
objc_mutex_t mutex __attribute__ ((__unused__)))
|
objc_mutex_t mutex __attribute__ ((__unused__)))
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
/* Unimplemented. */
|
/* Unimplemented. */
|
return -1;
|
return -1;
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Wake up all threads waiting on this condition. */
|
/* Wake up all threads waiting on this condition. */
|
static inline int
|
static inline int
|
__gthread_objc_condition_broadcast (objc_condition_t condition
|
__gthread_objc_condition_broadcast (objc_condition_t condition
|
__attribute__ ((__unused__)))
|
__attribute__ ((__unused__)))
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
/* Unimplemented. */
|
/* Unimplemented. */
|
return -1;
|
return -1;
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Wake up one thread waiting on this condition. */
|
/* Wake up one thread waiting on this condition. */
|
static inline int
|
static inline int
|
__gthread_objc_condition_signal (objc_condition_t condition
|
__gthread_objc_condition_signal (objc_condition_t condition
|
__attribute__ ((__unused__)))
|
__attribute__ ((__unused__)))
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
/* Unimplemented. */
|
/* Unimplemented. */
|
return -1;
|
return -1;
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
#else /* _LIBOBJC */
|
#else /* _LIBOBJC */
|
|
|
static inline int
|
static inline int
|
__gthread_once (__gthread_once_t *once, void (*func) (void))
|
__gthread_once (__gthread_once_t *once, void (*func) (void))
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
return __gthrw_(pthread_once) (once, func);
|
return __gthrw_(pthread_once) (once, func);
|
else
|
else
|
return -1;
|
return -1;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
|
__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
|
{
|
{
|
return __gthrw_(pthread_keycreate) (key, dtor);
|
return __gthrw_(pthread_keycreate) (key, dtor);
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_key_delete (__gthread_key_t key __attribute__ ((__unused__)))
|
__gthread_key_delete (__gthread_key_t key __attribute__ ((__unused__)))
|
{
|
{
|
/* Operation is not supported. */
|
/* Operation is not supported. */
|
return -1;
|
return -1;
|
}
|
}
|
|
|
static inline void *
|
static inline void *
|
__gthread_getspecific (__gthread_key_t key)
|
__gthread_getspecific (__gthread_key_t key)
|
{
|
{
|
void *ptr;
|
void *ptr;
|
if (__gthrw_(pthread_getspecific) (key, &ptr) == 0)
|
if (__gthrw_(pthread_getspecific) (key, &ptr) == 0)
|
return ptr;
|
return ptr;
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_setspecific (__gthread_key_t key, const void *ptr)
|
__gthread_setspecific (__gthread_key_t key, const void *ptr)
|
{
|
{
|
return __gthrw_(pthread_setspecific) (key, (void *) ptr);
|
return __gthrw_(pthread_setspecific) (key, (void *) ptr);
|
}
|
}
|
|
|
static inline void
|
static inline void
|
__gthread_mutex_init_function (__gthread_mutex_t *mutex)
|
__gthread_mutex_init_function (__gthread_mutex_t *mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
__gthrw_(pthread_mutex_init) (mutex, pthread_mutexattr_default);
|
__gthrw_(pthread_mutex_init) (mutex, pthread_mutexattr_default);
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_mutex_lock (__gthread_mutex_t *mutex)
|
__gthread_mutex_lock (__gthread_mutex_t *mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
return __gthrw_(pthread_mutex_lock) (mutex);
|
return __gthrw_(pthread_mutex_lock) (mutex);
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_mutex_trylock (__gthread_mutex_t *mutex)
|
__gthread_mutex_trylock (__gthread_mutex_t *mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
return __gthrw_(pthread_mutex_trylock) (mutex);
|
return __gthrw_(pthread_mutex_trylock) (mutex);
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_mutex_unlock (__gthread_mutex_t *mutex)
|
__gthread_mutex_unlock (__gthread_mutex_t *mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
return __gthrw_(pthread_mutex_unlock) (mutex);
|
return __gthrw_(pthread_mutex_unlock) (mutex);
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex)
|
__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex)
|
{
|
{
|
if (__gthread_active_p ())
|
if (__gthread_active_p ())
|
{
|
{
|
pthread_mutexattr_t attr;
|
pthread_mutexattr_t attr;
|
int r;
|
int r;
|
|
|
r = __gthrw_(pthread_mutexattr_create) (&attr);
|
r = __gthrw_(pthread_mutexattr_create) (&attr);
|
if (!r)
|
if (!r)
|
r = __gthrw_(pthread_mutexattr_setkind_np) (&attr, MUTEX_RECURSIVE_NP);
|
r = __gthrw_(pthread_mutexattr_setkind_np) (&attr, MUTEX_RECURSIVE_NP);
|
if (!r)
|
if (!r)
|
r = __gthrw_(pthread_mutex_init) (mutex, attr);
|
r = __gthrw_(pthread_mutex_init) (mutex, attr);
|
if (!r)
|
if (!r)
|
r = __gthrw_(pthread_mutexattr_delete) (&attr);
|
r = __gthrw_(pthread_mutexattr_delete) (&attr);
|
return r;
|
return r;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
|
__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
|
{
|
{
|
return __gthread_mutex_lock (mutex);
|
return __gthread_mutex_lock (mutex);
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex)
|
__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex)
|
{
|
{
|
return __gthread_mutex_trylock (mutex);
|
return __gthread_mutex_trylock (mutex);
|
}
|
}
|
|
|
static inline int
|
static inline int
|
__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
|
__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
|
{
|
{
|
return __gthread_mutex_unlock (mutex);
|
return __gthread_mutex_unlock (mutex);
|
}
|
}
|
|
|
#endif /* _LIBOBJC */
|
#endif /* _LIBOBJC */
|
|
|
#endif
|
#endif
|
#endif /* ! GCC_GTHR_DCE_H */
|
#endif /* ! GCC_GTHR_DCE_H */
|
|
|
