re PR other/4372 (#pragma weak pthread* inclusion causes applications to crash without a linker error when one forgets to link with -lpthread)

gcc/ChangeLog:
PR other/4372
* gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
gthr-tpf.h: Define __gthrw.  For all identifiers that might
be weak, introduce weakrefs or non-weak aliases with __gthrw,
and prefix all uses with __ghtrw.
libobjc/ChangeLog:
PR other/4372
* thr-objc.c (_XOPEN_SOURCE): Define.

From-SVN: r106704
This commit is contained in:
Alexandre Oliva 2005-11-09 20:57:30 +00:00 committed by Alexandre Oliva
parent a0203ca711
commit 7ef67393c7
8 changed files with 347 additions and 277 deletions

View File

@ -1,3 +1,11 @@
2005-11-09 Alexandre Oliva <aoliva@redhat.com>
PR other/4372
* gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
gthr-tpf.h: Define __gthrw. For all identifiers that might
be weak, introduce weakrefs or non-weak aliases with __gthrw,
and prefix all uses with __ghtrw.
2005-11-09 Alexandre Oliva <aoliva@redhat.com>
PR other/4372

View File

@ -1,6 +1,7 @@
/* Threads compatibility routines for libgcc2 and libobjc. */
/* Compile this one with gcc. */
/* Copyright (C) 1997, 1999, 2000, 2001, 2004 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1999, 2000, 2001, 2004, 2005
Free Software Foundation, Inc.
This file is part of GCC.
@ -54,48 +55,59 @@ typedef pthread_once_t __gthread_once_t;
typedef pthread_mutex_t __gthread_mutex_t;
typedef pthread_mutex_t __gthread_recursive_mutex_t;
#define __GTHREAD_ONCE_INIT pthread_once_init
#define __GTHREAD_ONCE_INIT __gthrw_pthread_once_init
#define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_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 __gthrw_pthread_once_init
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
# define __gthrw(name) \
extern __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name)))
#else
# define __gthrw_asmname(cname) __gthrw_asmnamep (__USER_LABEL_PREFIX__, cname)
# define __gthrw_asmnamep(prefix, cname) __gthrw_string (prefix) cname
# define __gthrw_string(x) #x
# define __gthrw(name) \
extern __typeof(name) __gthrw_ ## name __asm (__gthrw_asmname (#name))
#endif
#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
#pragma weak pthread_mutexattr_create
#pragma weak pthread_mutexattr_setkind_np
#pragma weak pthread_mutexattr_delete
__gthrw(pthread_once);
__gthrw(pthread_once_init);
__gthrw(pthread_keycreate);
__gthrw(pthread_key_delete);
__gthrw(pthread_getspecific);
__gthrw(pthread_setspecific);
__gthrw(pthread_create);
__gthrw(pthread_mutex_init);
__gthrw(pthread_mutex_lock);
__gthrw(pthread_mutex_trylock);
__gthrw(pthread_mutex_unlock);
__gthrw(pthread_mutexattr_create);
__gthrw(pthread_mutexattr_setkind_np);
__gthrw(pthread_mutexattr_delete);
#ifdef _LIBOBJC
/* Objective-C. */
#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
__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_getunique_np);
__gthrw(pthread_mutex_destroy);
__gthrw(pthread_self);
__gthrw(pthread_yield);
#endif
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
static inline int
__gthread_active_p (void)
{
static void *const __gthread_active_ptr = (void *) &pthread_create;
static void *const __gthread_active_ptr = (void *) &__gthrw_pthread_create;
return __gthread_active_ptr != 0;
}
@ -125,7 +137,7 @@ __gthread_objc_init_thread_system (void)
{
if (__gthread_active_p ())
/* Initialize the thread storage key. */
return pthread_keycreate (&_objc_thread_storage, NULL);
return __gthrw_pthread_keycreate (&_objc_thread_storage, NULL);
else
return -1;
}
@ -152,7 +164,7 @@ __gthread_objc_thread_detach (void (*func)(void *), void *arg)
if (!__gthread_active_p ())
return NULL;
if (!(pthread_create (&new_thread_handle, pthread_attr_default,
if (!(__gthrw_pthread_create (&new_thread_handle, pthread_attr_default,
(void *) func, arg)))
{
/* ??? May not work! (64bit) */
@ -189,7 +201,7 @@ __gthread_objc_thread_set_priority (int priority)
}
/* Change the priority. */
if (pthread_setprio (pthread_self (), sys_priority) >= 0)
if (pthread_setprio (__gthrw_pthread_self (), sys_priority) >= 0)
return 0;
else
/* Failed */
@ -204,7 +216,7 @@ __gthread_objc_thread_get_priority (void)
if (__gthread_active_p ())
{
if ((sys_priority = pthread_getprio (pthread_self ())) >= 0)
if ((sys_priority = pthread_getprio (__gthrw_pthread_self ())) >= 0)
{
if (sys_priority >= PRI_FG_MIN_NP
&& sys_priority <= PRI_FG_MAX_NP)
@ -227,7 +239,7 @@ static inline void
__gthread_objc_thread_yield (void)
{
if (__gthread_active_p ())
pthread_yield ();
__gthrw_pthread_yield ();
}
/* Terminate the current thread. */
@ -236,7 +248,7 @@ __gthread_objc_thread_exit (void)
{
if (__gthread_active_p ())
/* exit the thread */
pthread_exit (&__objc_thread_exit_status);
__gthrw_pthread_exit (&__objc_thread_exit_status);
/* Failed if we reached here */
return -1;
@ -248,9 +260,9 @@ __gthread_objc_thread_id (void)
{
if (__gthread_active_p ())
{
pthread_t self = pthread_self ();
pthread_t self = __gthrw_pthread_self ();
return (objc_thread_t) pthread_getunique_np (&self);
return (objc_thread_t) __gthrw_pthread_getunique_np (&self);
}
else
return (objc_thread_t) 1;
@ -261,7 +273,7 @@ static inline int
__gthread_objc_thread_set_data (void *value)
{
if (__gthread_active_p ())
return pthread_setspecific (_objc_thread_storage, value);
return __gthrw_pthread_setspecific (_objc_thread_storage, value);
else
{
thread_local_storage = value;
@ -277,7 +289,7 @@ __gthread_objc_thread_get_data (void)
if (__gthread_active_p ())
{
if (!(pthread_getspecific (_objc_thread_storage, &value)))
if (!(__gthrw_pthread_getspecific (_objc_thread_storage, &value)))
return value;
return NULL;
@ -296,7 +308,7 @@ __gthread_objc_mutex_allocate (objc_mutex_t mutex)
{
mutex->backend = objc_malloc (sizeof (pthread_mutex_t));
if (pthread_mutex_init ((pthread_mutex_t *) mutex->backend,
if (__gthrw_pthread_mutex_init ((pthread_mutex_t *) mutex->backend,
pthread_mutexattr_default))
{
objc_free (mutex->backend);
@ -314,7 +326,7 @@ __gthread_objc_mutex_deallocate (objc_mutex_t mutex)
{
if (__gthread_active_p ())
{
if (pthread_mutex_destroy ((pthread_mutex_t *) mutex->backend))
if (__gthrw_pthread_mutex_destroy ((pthread_mutex_t *) mutex->backend))
return -1;
objc_free (mutex->backend);
@ -329,7 +341,7 @@ static inline int
__gthread_objc_mutex_lock (objc_mutex_t mutex)
{
if (__gthread_active_p ())
return pthread_mutex_lock ((pthread_mutex_t *) mutex->backend);
return __gthrw_pthread_mutex_lock ((pthread_mutex_t *) mutex->backend);
else
return 0;
}
@ -339,7 +351,7 @@ static inline int
__gthread_objc_mutex_trylock (objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& pthread_mutex_trylock ((pthread_mutex_t *) mutex->backend) != 1)
&& __gthrw_pthread_mutex_trylock ((pthread_mutex_t *) mutex->backend) != 1)
return -1;
return 0;
@ -350,7 +362,7 @@ static inline int
__gthread_objc_mutex_unlock (objc_mutex_t mutex)
{
if (__gthread_active_p ())
return pthread_mutex_unlock ((pthread_mutex_t *) mutex->backend);
return __gthrw_pthread_mutex_unlock ((pthread_mutex_t *) mutex->backend);
else
return 0;
}
@ -418,7 +430,7 @@ static inline int
__gthread_once (__gthread_once_t *once, void (*func) (void))
{
if (__gthread_active_p ())
return pthread_once (once, func);
return __gthrw_pthread_once (once, func);
else
return -1;
}
@ -426,7 +438,7 @@ __gthread_once (__gthread_once_t *once, void (*func) (void))
static inline int
__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
{
return pthread_keycreate (key, dtor);
return __gthrw_pthread_keycreate (key, dtor);
}
static inline int
@ -440,7 +452,7 @@ static inline void *
__gthread_getspecific (__gthread_key_t key)
{
void *ptr;
if (pthread_getspecific (key, &ptr) == 0)
if (__gthrw_pthread_getspecific (key, &ptr) == 0)
return ptr;
else
return 0;
@ -449,21 +461,21 @@ __gthread_getspecific (__gthread_key_t key)
static inline int
__gthread_setspecific (__gthread_key_t key, const void *ptr)
{
return pthread_setspecific (key, (void *) ptr);
return __gthrw_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);
__gthrw_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);
return __gthrw_pthread_mutex_lock (mutex);
else
return 0;
}
@ -472,7 +484,7 @@ static inline int
__gthread_mutex_trylock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return pthread_mutex_trylock (mutex);
return __gthrw_pthread_mutex_trylock (mutex);
else
return 0;
}
@ -481,7 +493,7 @@ static inline int
__gthread_mutex_unlock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return pthread_mutex_unlock (mutex);
return __gthrw_pthread_mutex_unlock (mutex);
else
return 0;
}
@ -494,13 +506,13 @@ __gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex)
pthread_mutexattr_t attr;
int r;
r = pthread_mutexattr_create (&attr);
r = __gthrw_pthread_mutexattr_create (&attr);
if (!r)
r = pthread_mutexattr_setkind_np (&attr, MUTEX_RECURSIVE_NP);
r = __gthrw_pthread_mutexattr_setkind_np (&attr, MUTEX_RECURSIVE_NP);
if (!r)
r = pthread_mutex_init (mutex, attr);
r = __gthrw_pthread_mutex_init (mutex, attr);
if (!r)
r = pthread_mutexattr_delete (&attr);
r = __gthrw_pthread_mutexattr_delete (&attr);
return r;
}
}

View File

@ -59,55 +59,66 @@ typedef pthread_mutex_t __gthread_recursive_mutex_t;
#endif
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
# define __gthrw(name) \
extern __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name)))
#else
# define __gthrw_asmname(cname) __gthrw_asmnamep (__USER_LABEL_PREFIX__, cname)
# define __gthrw_asmnamep(prefix, cname) __gthrw_string (prefix) cname
# define __gthrw_string(x) #x
# define __gthrw(name) \
extern __typeof(name) __gthrw_ ## name __asm (__gthrw_asmname (#name))
#endif
#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_cancel
__gthrw(pthread_once);
__gthrw(pthread_key_create);
__gthrw(pthread_key_delete);
__gthrw(pthread_getspecific);
__gthrw(pthread_setspecific);
__gthrw(pthread_create);
__gthrw(pthread_cancel);
#pragma weak pthread_mutex_lock
#pragma weak pthread_mutex_trylock
#pragma weak pthread_mutex_unlock
#pragma weak pthread_mutexattr_init
#pragma weak pthread_mutexattr_settype
#pragma weak pthread_mutexattr_destroy
__gthrw(pthread_mutex_lock);
__gthrw(pthread_mutex_trylock);
__gthrw(pthread_mutex_unlock);
__gthrw(pthread_mutexattr_init);
__gthrw(pthread_mutexattr_settype);
__gthrw(pthread_mutexattr_destroy);
#pragma weak pthread_mutex_init
__gthrw(pthread_mutex_init);
#if defined(_LIBOBJC) || defined(_LIBOBJC_WEAK)
/* Objective-C. */
#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_destroy
#pragma weak pthread_self
__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);
#ifdef _POSIX_PRIORITY_SCHEDULING
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
#pragma weak sched_get_priority_max
#pragma weak sched_get_priority_min
__gthrw(sched_get_priority_max);
__gthrw(sched_get_priority_min);
#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
#endif /* _POSIX_PRIORITY_SCHEDULING */
#pragma weak sched_yield
#pragma weak pthread_attr_destroy
#pragma weak pthread_attr_init
#pragma weak pthread_attr_setdetachstate
__gthrw(sched_yield);
__gthrw(pthread_attr_destroy);
__gthrw(pthread_attr_init);
__gthrw(pthread_attr_setdetachstate);
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
#pragma weak pthread_getschedparam
#pragma weak pthread_setschedparam
__gthrw(pthread_getschedparam);
__gthrw(pthread_setschedparam);
#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
#endif /* _LIBOBJC || _LIBOBJC_WEAK */
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
static inline int
__gthread_active_p (void)
{
static void *const __gthread_active_ptr
= __extension__ (void *) &pthread_cancel;
= __extension__ (void *) &__gthrw_pthread_cancel;
return __gthread_active_ptr != 0;
}
@ -146,13 +157,13 @@ __gthread_objc_init_thread_system (void)
if (__gthread_active_p ())
{
/* Initialize the thread storage key. */
if (pthread_key_create (&_objc_thread_storage, NULL) == 0)
if (__gthrw_pthread_key_create (&_objc_thread_storage, NULL) == 0)
{
/* The normal default detach state for threads is
* PTHREAD_CREATE_JOINABLE which causes threads to not die
* when you think they should. */
if (pthread_attr_init (&_objc_thread_attribs) == 0
&& pthread_attr_setdetachstate (&_objc_thread_attribs,
if (__gthrw_pthread_attr_init (&_objc_thread_attribs) == 0
&& __gthrw_pthread_attr_setdetachstate (&_objc_thread_attribs,
PTHREAD_CREATE_DETACHED) == 0)
return 0;
}
@ -166,8 +177,8 @@ 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)
&& __gthrw_pthread_key_delete (_objc_thread_storage) == 0
&& __gthrw_pthread_attr_destroy (&_objc_thread_attribs) == 0)
return 0;
return -1;
@ -185,7 +196,7 @@ __gthread_objc_thread_detach (void (*func)(void *), void *arg)
if (!__gthread_active_p ())
return NULL;
if (!(pthread_create (&new_thread_handle, NULL, (void *) func, arg)))
if (!(__gthrw_pthread_create (&new_thread_handle, NULL, (void *) func, arg)))
thread_id = (objc_thread_t) new_thread_handle;
else
thread_id = NULL;
@ -203,17 +214,17 @@ __gthread_objc_thread_set_priority (int priority)
{
#ifdef _POSIX_PRIORITY_SCHEDULING
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
pthread_t thread_id = pthread_self ();
pthread_t thread_id = __gthrw_pthread_self ();
int policy;
struct sched_param params;
int priority_min, priority_max;
if (pthread_getschedparam (thread_id, &policy, &params) == 0)
if (__gthrw_pthread_getschedparam (thread_id, &policy, &params) == 0)
{
if ((priority_max = sched_get_priority_max (policy)) == -1)
if ((priority_max = __gthrw_sched_get_priority_max (policy)) == -1)
return -1;
if ((priority_min = sched_get_priority_min (policy)) == -1)
if ((priority_min = __gthrw_sched_get_priority_min (policy)) == -1)
return -1;
if (priority > priority_max)
@ -227,7 +238,7 @@ __gthread_objc_thread_set_priority (int priority)
* this should be a pointer to policy but pthread.h is universally
* at odds with this.
*/
if (pthread_setschedparam (thread_id, policy, &params) == 0)
if (__gthrw_pthread_setschedparam (thread_id, policy, &params) == 0)
return 0;
}
#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
@ -247,7 +258,7 @@ __gthread_objc_thread_get_priority (void)
int policy;
struct sched_param params;
if (pthread_getschedparam (pthread_self (), &policy, &params) == 0)
if (__gthrw_pthread_getschedparam (__gthrw_pthread_self (), &policy, &params) == 0)
return params.sched_priority;
else
return -1;
@ -263,7 +274,7 @@ static inline void
__gthread_objc_thread_yield (void)
{
if (__gthread_active_p ())
sched_yield ();
__gthrw_sched_yield ();
}
/* Terminate the current thread. */
@ -272,7 +283,7 @@ __gthread_objc_thread_exit (void)
{
if (__gthread_active_p ())
/* exit the thread */
pthread_exit (&__objc_thread_exit_status);
__gthrw_pthread_exit (&__objc_thread_exit_status);
/* Failed if we reached here */
return -1;
@ -283,7 +294,7 @@ static inline objc_thread_t
__gthread_objc_thread_id (void)
{
if (__gthread_active_p ())
return (objc_thread_t) pthread_self ();
return (objc_thread_t) __gthrw_pthread_self ();
else
return (objc_thread_t) 1;
}
@ -293,7 +304,7 @@ static inline int
__gthread_objc_thread_set_data (void *value)
{
if (__gthread_active_p ())
return pthread_setspecific (_objc_thread_storage, value);
return __gthrw_pthread_setspecific (_objc_thread_storage, value);
else
{
thread_local_storage = value;
@ -306,7 +317,7 @@ static inline void *
__gthread_objc_thread_get_data (void)
{
if (__gthread_active_p ())
return pthread_getspecific (_objc_thread_storage);
return __gthrw_pthread_getspecific (_objc_thread_storage);
else
return thread_local_storage;
}
@ -321,7 +332,7 @@ __gthread_objc_mutex_allocate (objc_mutex_t mutex)
{
mutex->backend = objc_malloc (sizeof (pthread_mutex_t));
if (pthread_mutex_init ((pthread_mutex_t *) mutex->backend, NULL))
if (__gthrw_pthread_mutex_init ((pthread_mutex_t *) mutex->backend, NULL))
{
objc_free (mutex->backend);
mutex->backend = NULL;
@ -342,18 +353,18 @@ __gthread_objc_mutex_deallocate (objc_mutex_t mutex)
/*
* Posix Threads specifically require that the thread be unlocked
* for pthread_mutex_destroy to work.
* for __gthrw_pthread_mutex_destroy to work.
*/
do
{
count = pthread_mutex_unlock ((pthread_mutex_t *) mutex->backend);
count = __gthrw_pthread_mutex_unlock ((pthread_mutex_t *) mutex->backend);
if (count < 0)
return -1;
}
while (count);
if (pthread_mutex_destroy ((pthread_mutex_t *) mutex->backend))
if (__gthrw_pthread_mutex_destroy ((pthread_mutex_t *) mutex->backend))
return -1;
objc_free (mutex->backend);
@ -367,7 +378,7 @@ static inline int
__gthread_objc_mutex_lock (objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& pthread_mutex_lock ((pthread_mutex_t *) mutex->backend) != 0)
&& __gthrw_pthread_mutex_lock ((pthread_mutex_t *) mutex->backend) != 0)
{
return -1;
}
@ -380,7 +391,7 @@ static inline int
__gthread_objc_mutex_trylock (objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& pthread_mutex_trylock ((pthread_mutex_t *) mutex->backend) != 0)
&& __gthrw_pthread_mutex_trylock ((pthread_mutex_t *) mutex->backend) != 0)
{
return -1;
}
@ -393,7 +404,7 @@ static inline int
__gthread_objc_mutex_unlock (objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& pthread_mutex_unlock ((pthread_mutex_t *) mutex->backend) != 0)
&& __gthrw_pthread_mutex_unlock ((pthread_mutex_t *) mutex->backend) != 0)
{
return -1;
}
@ -411,7 +422,7 @@ __gthread_objc_condition_allocate (objc_condition_t condition)
{
condition->backend = objc_malloc (sizeof (pthread_cond_t));
if (pthread_cond_init ((pthread_cond_t *) condition->backend, NULL))
if (__gthrw_pthread_cond_init ((pthread_cond_t *) condition->backend, NULL))
{
objc_free (condition->backend);
condition->backend = NULL;
@ -428,7 +439,7 @@ __gthread_objc_condition_deallocate (objc_condition_t condition)
{
if (__gthread_active_p ())
{
if (pthread_cond_destroy ((pthread_cond_t *) condition->backend))
if (__gthrw_pthread_cond_destroy ((pthread_cond_t *) condition->backend))
return -1;
objc_free (condition->backend);
@ -442,7 +453,7 @@ 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,
return __gthrw_pthread_cond_wait ((pthread_cond_t *) condition->backend,
(pthread_mutex_t *) mutex->backend);
else
return 0;
@ -453,7 +464,7 @@ static inline int
__gthread_objc_condition_broadcast (objc_condition_t condition)
{
if (__gthread_active_p ())
return pthread_cond_broadcast ((pthread_cond_t *) condition->backend);
return __gthrw_pthread_cond_broadcast ((pthread_cond_t *) condition->backend);
else
return 0;
}
@ -463,7 +474,7 @@ static inline int
__gthread_objc_condition_signal (objc_condition_t condition)
{
if (__gthread_active_p ())
return pthread_cond_signal ((pthread_cond_t *) condition->backend);
return __gthrw_pthread_cond_signal ((pthread_cond_t *) condition->backend);
else
return 0;
}
@ -474,7 +485,7 @@ static inline int
__gthread_once (__gthread_once_t *once, void (*func) (void))
{
if (__gthread_active_p ())
return pthread_once (once, func);
return __gthrw_pthread_once (once, func);
else
return -1;
}
@ -482,32 +493,32 @@ __gthread_once (__gthread_once_t *once, void (*func) (void))
static inline int
__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
{
return pthread_key_create (key, dtor);
return __gthrw_pthread_key_create (key, dtor);
}
static inline int
__gthread_key_delete (__gthread_key_t key)
{
return pthread_key_delete (key);
return __gthrw_pthread_key_delete (key);
}
static inline void *
__gthread_getspecific (__gthread_key_t key)
{
return pthread_getspecific (key);
return __gthrw_pthread_getspecific (key);
}
static inline int
__gthread_setspecific (__gthread_key_t key, const void *ptr)
{
return pthread_setspecific (key, ptr);
return __gthrw_pthread_setspecific (key, ptr);
}
static inline int
__gthread_mutex_lock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return pthread_mutex_lock (mutex);
return __gthrw_pthread_mutex_lock (mutex);
else
return 0;
}
@ -516,7 +527,7 @@ static inline int
__gthread_mutex_trylock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return pthread_mutex_trylock (mutex);
return __gthrw_pthread_mutex_trylock (mutex);
else
return 0;
}
@ -525,7 +536,7 @@ static inline int
__gthread_mutex_unlock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return pthread_mutex_unlock (mutex);
return __gthrw_pthread_mutex_unlock (mutex);
else
return 0;
}
@ -539,13 +550,13 @@ __gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex)
pthread_mutexattr_t attr;
int r;
r = pthread_mutexattr_init (&attr);
r = __gthrw_pthread_mutexattr_init (&attr);
if (!r)
r = pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_RECURSIVE);
r = __gthrw_pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_RECURSIVE);
if (!r)
r = pthread_mutex_init (mutex, &attr);
r = __gthrw_pthread_mutex_init (mutex, &attr);
if (!r)
r = pthread_mutexattr_destroy (&attr);
r = __gthrw_pthread_mutexattr_destroy (&attr);
return r;
}
return 0;

View File

@ -57,56 +57,67 @@ typedef struct {
#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
# define __gthrw(name) \
extern __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name)))
#else
# define __gthrw_asmname(cname) __gthrw_asmnamep (__USER_LABEL_PREFIX__, cname)
# define __gthrw_asmnamep(prefix, cname) __gthrw_string (prefix) cname
# define __gthrw_string(x) #x
# define __gthrw(name) \
extern __typeof(name) __gthrw_ ## name __asm (__gthrw_asmname (#name))
#endif
#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_cancel
#pragma weak pthread_self
__gthrw(pthread_once);
__gthrw(pthread_key_create);
__gthrw(pthread_key_delete);
__gthrw(pthread_getspecific);
__gthrw(pthread_setspecific);
__gthrw(pthread_create);
__gthrw(pthread_cancel);
__gthrw(pthread_self);
#pragma weak pthread_mutex_lock
#pragma weak pthread_mutex_trylock
#pragma weak pthread_mutex_unlock
#pragma weak pthread_mutexattr_init
#pragma weak pthread_mutexattr_settype
#pragma weak pthread_mutexattr_destroy
__gthrw(pthread_mutex_lock);
__gthrw(pthread_mutex_trylock);
__gthrw(pthread_mutex_unlock);
__gthrw(pthread_mutexattr_init);
__gthrw(pthread_mutexattr_settype);
__gthrw(pthread_mutexattr_destroy);
#pragma weak pthread_mutex_init
__gthrw(pthread_mutex_init);
#if defined(_LIBOBJC) || defined(_LIBOBJC_WEAK)
/* Objective-C. */
#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_destroy
#pragma weak pthread_self
__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);
#ifdef _POSIX_PRIORITY_SCHEDULING
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
#pragma weak sched_get_priority_max
#pragma weak sched_get_priority_min
__gthrw(sched_get_priority_max);
__gthrw(sched_get_priority_min);
#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
#endif /* _POSIX_PRIORITY_SCHEDULING */
#pragma weak sched_yield
#pragma weak pthread_attr_destroy
#pragma weak pthread_attr_init
#pragma weak pthread_attr_setdetachstate
__gthrw(sched_yield);
__gthrw(pthread_attr_destroy);
__gthrw(pthread_attr_init);
__gthrw(pthread_attr_setdetachstate);
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
#pragma weak pthread_getschedparam
#pragma weak pthread_setschedparam
__gthrw(pthread_getschedparam);
__gthrw(pthread_setschedparam);
#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
#endif /* _LIBOBJC || _LIBOBJC_WEAK */
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
static inline int
__gthread_active_p (void)
{
static void *const __gthread_active_ptr
= __extension__ (void *) &pthread_cancel;
= __extension__ (void *) &__gthrw_pthread_cancel;
return __gthread_active_ptr != 0;
}
@ -145,13 +156,13 @@ __gthread_objc_init_thread_system (void)
if (__gthread_active_p ())
{
/* Initialize the thread storage key. */
if (pthread_key_create (&_objc_thread_storage, NULL) == 0)
if (__gthrw_pthread_key_create (&_objc_thread_storage, NULL) == 0)
{
/* The normal default detach state for threads is
* PTHREAD_CREATE_JOINABLE which causes threads to not die
* when you think they should. */
if (pthread_attr_init (&_objc_thread_attribs) == 0
&& pthread_attr_setdetachstate (&_objc_thread_attribs,
if (__gthrw_pthread_attr_init (&_objc_thread_attribs) == 0
&& __gthrw_pthread_attr_setdetachstate (&_objc_thread_attribs,
PTHREAD_CREATE_DETACHED) == 0)
return 0;
}
@ -165,8 +176,8 @@ 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)
&& __gthrw_pthread_key_delete (_objc_thread_storage) == 0
&& __gthrw_pthread_attr_destroy (&_objc_thread_attribs) == 0)
return 0;
return -1;
@ -184,7 +195,7 @@ __gthread_objc_thread_detach (void (*func)(void *), void *arg)
if (!__gthread_active_p ())
return NULL;
if (!(pthread_create (&new_thread_handle, NULL, (void *) func, arg)))
if (!(__gthrw_pthread_create (&new_thread_handle, NULL, (void *) func, arg)))
thread_id = (objc_thread_t) new_thread_handle;
else
thread_id = NULL;
@ -202,17 +213,17 @@ __gthread_objc_thread_set_priority (int priority)
{
#ifdef _POSIX_PRIORITY_SCHEDULING
#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
pthread_t thread_id = pthread_self ();
pthread_t thread_id = __gthrw_pthread_self ();
int policy;
struct sched_param params;
int priority_min, priority_max;
if (pthread_getschedparam (thread_id, &policy, &params) == 0)
if (__gthrw_pthread_getschedparam (thread_id, &policy, &params) == 0)
{
if ((priority_max = sched_get_priority_max (policy)) == -1)
if ((priority_max = __gthrw_sched_get_priority_max (policy)) == -1)
return -1;
if ((priority_min = sched_get_priority_min (policy)) == -1)
if ((priority_min = __gthrw_sched_get_priority_min (policy)) == -1)
return -1;
if (priority > priority_max)
@ -226,7 +237,7 @@ __gthread_objc_thread_set_priority (int priority)
* this should be a pointer to policy but pthread.h is universally
* at odds with this.
*/
if (pthread_setschedparam (thread_id, policy, &params) == 0)
if (__gthrw_pthread_setschedparam (thread_id, policy, &params) == 0)
return 0;
}
#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
@ -246,7 +257,7 @@ __gthread_objc_thread_get_priority (void)
int policy;
struct sched_param params;
if (pthread_getschedparam (pthread_self (), &policy, &params) == 0)
if (__gthrw_pthread_getschedparam (__gthrw_pthread_self (), &policy, &params) == 0)
return params.sched_priority;
else
return -1;
@ -262,7 +273,7 @@ static inline void
__gthread_objc_thread_yield (void)
{
if (__gthread_active_p ())
sched_yield ();
__gthrw_sched_yield ();
}
/* Terminate the current thread. */
@ -271,7 +282,7 @@ __gthread_objc_thread_exit (void)
{
if (__gthread_active_p ())
/* exit the thread */
pthread_exit (&__objc_thread_exit_status);
__gthrw_pthread_exit (&__objc_thread_exit_status);
/* Failed if we reached here */
return -1;
@ -282,7 +293,7 @@ static inline objc_thread_t
__gthread_objc_thread_id (void)
{
if (__gthread_active_p ())
return (objc_thread_t) pthread_self ();
return (objc_thread_t) __gthrw_pthread_self ();
else
return (objc_thread_t) 1;
}
@ -292,7 +303,7 @@ static inline int
__gthread_objc_thread_set_data (void *value)
{
if (__gthread_active_p ())
return pthread_setspecific (_objc_thread_storage, value);
return __gthrw_pthread_setspecific (_objc_thread_storage, value);
else
{
thread_local_storage = value;
@ -305,7 +316,7 @@ static inline void *
__gthread_objc_thread_get_data (void)
{
if (__gthread_active_p ())
return pthread_getspecific (_objc_thread_storage);
return __gthrw_pthread_getspecific (_objc_thread_storage);
else
return thread_local_storage;
}
@ -320,7 +331,7 @@ __gthread_objc_mutex_allocate (objc_mutex_t mutex)
{
mutex->backend = objc_malloc (sizeof (pthread_mutex_t));
if (pthread_mutex_init ((pthread_mutex_t *) mutex->backend, NULL))
if (__gthrw_pthread_mutex_init ((pthread_mutex_t *) mutex->backend, NULL))
{
objc_free (mutex->backend);
mutex->backend = NULL;
@ -341,18 +352,18 @@ __gthread_objc_mutex_deallocate (objc_mutex_t mutex)
/*
* Posix Threads specifically require that the thread be unlocked
* for pthread_mutex_destroy to work.
* for __gthrw_pthread_mutex_destroy to work.
*/
do
{
count = pthread_mutex_unlock ((pthread_mutex_t *) mutex->backend);
count = __gthrw_pthread_mutex_unlock ((pthread_mutex_t *) mutex->backend);
if (count < 0)
return -1;
}
while (count);
if (pthread_mutex_destroy ((pthread_mutex_t *) mutex->backend))
if (__gthrw_pthread_mutex_destroy ((pthread_mutex_t *) mutex->backend))
return -1;
objc_free (mutex->backend);
@ -366,7 +377,7 @@ static inline int
__gthread_objc_mutex_lock (objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& pthread_mutex_lock ((pthread_mutex_t *) mutex->backend) != 0)
&& __gthrw_pthread_mutex_lock ((pthread_mutex_t *) mutex->backend) != 0)
{
return -1;
}
@ -379,7 +390,7 @@ static inline int
__gthread_objc_mutex_trylock (objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& pthread_mutex_trylock ((pthread_mutex_t *) mutex->backend) != 0)
&& __gthrw_pthread_mutex_trylock ((pthread_mutex_t *) mutex->backend) != 0)
{
return -1;
}
@ -392,7 +403,7 @@ static inline int
__gthread_objc_mutex_unlock (objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& pthread_mutex_unlock ((pthread_mutex_t *) mutex->backend) != 0)
&& __gthrw_pthread_mutex_unlock ((pthread_mutex_t *) mutex->backend) != 0)
{
return -1;
}
@ -410,7 +421,7 @@ __gthread_objc_condition_allocate (objc_condition_t condition)
{
condition->backend = objc_malloc (sizeof (pthread_cond_t));
if (pthread_cond_init ((pthread_cond_t *) condition->backend, NULL))
if (__gthrw_pthread_cond_init ((pthread_cond_t *) condition->backend, NULL))
{
objc_free (condition->backend);
condition->backend = NULL;
@ -427,7 +438,7 @@ __gthread_objc_condition_deallocate (objc_condition_t condition)
{
if (__gthread_active_p ())
{
if (pthread_cond_destroy ((pthread_cond_t *) condition->backend))
if (__gthrw_pthread_cond_destroy ((pthread_cond_t *) condition->backend))
return -1;
objc_free (condition->backend);
@ -441,7 +452,7 @@ 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,
return __gthrw_pthread_cond_wait ((pthread_cond_t *) condition->backend,
(pthread_mutex_t *) mutex->backend);
else
return 0;
@ -452,7 +463,7 @@ static inline int
__gthread_objc_condition_broadcast (objc_condition_t condition)
{
if (__gthread_active_p ())
return pthread_cond_broadcast ((pthread_cond_t *) condition->backend);
return __gthrw_pthread_cond_broadcast ((pthread_cond_t *) condition->backend);
else
return 0;
}
@ -462,7 +473,7 @@ static inline int
__gthread_objc_condition_signal (objc_condition_t condition)
{
if (__gthread_active_p ())
return pthread_cond_signal ((pthread_cond_t *) condition->backend);
return __gthrw_pthread_cond_signal ((pthread_cond_t *) condition->backend);
else
return 0;
}
@ -473,7 +484,7 @@ static inline int
__gthread_once (__gthread_once_t *once, void (*func) (void))
{
if (__gthread_active_p ())
return pthread_once (once, func);
return __gthrw_pthread_once (once, func);
else
return -1;
}
@ -481,32 +492,32 @@ __gthread_once (__gthread_once_t *once, void (*func) (void))
static inline int
__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
{
return pthread_key_create (key, dtor);
return __gthrw_pthread_key_create (key, dtor);
}
static inline int
__gthread_key_delete (__gthread_key_t key)
{
return pthread_key_delete (key);
return __gthrw_pthread_key_delete (key);
}
static inline void *
__gthread_getspecific (__gthread_key_t key)
{
return pthread_getspecific (key);
return __gthrw_pthread_getspecific (key);
}
static inline int
__gthread_setspecific (__gthread_key_t key, const void *ptr)
{
return pthread_setspecific (key, ptr);
return __gthrw_pthread_setspecific (key, ptr);
}
static inline int
__gthread_mutex_lock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return pthread_mutex_lock (mutex);
return __gthrw_pthread_mutex_lock (mutex);
else
return 0;
}
@ -515,7 +526,7 @@ static inline int
__gthread_mutex_trylock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return pthread_mutex_trylock (mutex);
return __gthrw_pthread_mutex_trylock (mutex);
else
return 0;
}
@ -524,7 +535,7 @@ static inline int
__gthread_mutex_unlock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return pthread_mutex_unlock (mutex);
return __gthrw_pthread_mutex_unlock (mutex);
else
return 0;
}
@ -534,7 +545,7 @@ __gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex)
{
mutex->depth = 0;
mutex->owner = (pthread_t) 0;
return pthread_mutex_init (&mutex->actual, NULL);
return __gthrw_pthread_mutex_init (&mutex->actual, NULL);
}
static inline int
@ -542,11 +553,11 @@ __gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
{
if (__gthread_active_p ())
{
pthread_t me = pthread_self ();
pthread_t me = __gthrw_pthread_self ();
if (mutex->owner != me)
{
pthread_mutex_lock (&mutex->actual);
__gthrw_pthread_mutex_lock (&mutex->actual);
mutex->owner = me;
}
@ -560,11 +571,11 @@ __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex)
{
if (__gthread_active_p ())
{
pthread_t me = pthread_self ();
pthread_t me = __gthrw_pthread_self ();
if (mutex->owner != me)
{
if (pthread_mutex_trylock (&mutex->actual))
if (__gthrw_pthread_mutex_trylock (&mutex->actual))
return 1;
mutex->owner = me;
}
@ -582,7 +593,7 @@ __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
if (--mutex->depth == 0)
{
mutex->owner = (pthread_t) 0;
pthread_mutex_unlock (&mutex->actual);
__gthrw_pthread_mutex_unlock (&mutex->actual);
}
}
return 0;

View File

@ -1,6 +1,7 @@
/* Threads compatibility routines for libgcc2 and libobjc. */
/* Compile this one with gcc. */
/* Copyright (C) 1997, 1999, 2000, 2004 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1999, 2000, 2004, 2005
Free Software Foundation, Inc.
This file is part of GCC.
@ -56,41 +57,52 @@ typedef struct {
#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
# define __gthrw(name) \
extern __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name)))
#else
# define __gthrw_asmname(cname) __gthrw_asmnamep (__USER_LABEL_PREFIX__, cname)
# define __gthrw_asmnamep(prefix, cname) __gthrw_string (prefix) cname
# define __gthrw_string(x) #x
# define __gthrw(name) \
extern __typeof(name) __gthrw_ ## name __asm (__gthrw_asmname (#name))
#endif
#pragma weak thr_keycreate
#pragma weak thr_getspecific
#pragma weak thr_setspecific
#pragma weak thr_create
__gthrw(thr_keycreate);
__gthrw(thr_getspecific);
__gthrw(thr_setspecific);
__gthrw(thr_create);
#pragma weak mutex_lock
#pragma weak mutex_trylock
#pragma weak mutex_unlock
__gthrw(mutex_lock);
__gthrw(mutex_trylock);
__gthrw(mutex_unlock);
#ifdef _LIBOBJC
#pragma weak thr_exit
#pragma weak thr_keycreate
#pragma weak thr_getprio
#pragma weak thr_self
#pragma weak thr_setprio
#pragma weak thr_yield
__gthrw(thr_exit);
__gthrw(thr_keycreate);
__gthrw(thr_getprio);
__gthrw(thr_self);
__gthrw(thr_setprio);
__gthrw(thr_yield);
#pragma weak cond_init
#pragma weak cond_destroy
#pragma weak cond_wait
#pragma weak cond_broadcast
#pragma weak cond_signal
__gthrw(cond_init);
__gthrw(cond_destroy);
__gthrw(cond_wait);
__gthrw(cond_broadcast);
__gthrw(cond_signal);
#pragma weak mutex_init
#pragma weak mutex_destroy
__gthrw(mutex_init);
__gthrw(mutex_destroy);
#endif
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
/* This will not actually work in Solaris 2.5, since libc contains
dummy symbols of all thr_* routines. */
static inline int
__gthread_active_p (void)
{
static void *const __gthread_active_ptr = (void *) &thr_create;
static void *const __gthread_active_ptr = (void *) &__gthrw_thr_create;
return __gthread_active_ptr != 0;
}
@ -120,7 +132,7 @@ __gthread_objc_init_thread_system (void)
{
/* Initialize the thread storage key. */
if (__gthread_active_p ()
&& thr_keycreate (&_objc_thread_storage, NULL) == 0)
&& __gthrw_thr_keycreate (&_objc_thread_storage, NULL) == 0)
return 0;
return -1;
@ -148,7 +160,7 @@ __gthread_objc_thread_detach (void (*func)(void *), void *arg)
if (!__gthread_active_p ())
return NULL;
if (thr_create (NULL, 0, (void *) func, arg,
if (__gthrw_thr_create (NULL, 0, (void *) func, arg,
THR_DETACHED | THR_NEW_LWP,
&new_thread_id) == 0)
thread_id = *(objc_thread_t *) &new_thread_id;
@ -182,7 +194,7 @@ __gthread_objc_thread_set_priority (int priority)
}
/* Change priority */
if (thr_setprio (thr_self (), sys_priority) == 0)
if (__gthrw_thr_setprio (__gthrw_thr_self (), sys_priority) == 0)
return 0;
else
return -1;
@ -197,7 +209,7 @@ __gthread_objc_thread_get_priority (void)
if (!__gthread_active_p ())
return OBJC_THREAD_INTERACTIVE_PRIORITY;
if (thr_getprio (thr_self (), &sys_priority) == 0)
if (__gthrw_thr_getprio (__gthrw_thr_self (), &sys_priority) == 0)
{
if (sys_priority >= 250)
return OBJC_THREAD_INTERACTIVE_PRIORITY;
@ -215,7 +227,7 @@ static inline void
__gthread_objc_thread_yield (void)
{
if (__gthread_active_p ())
thr_yield ();
__gthrw_thr_yield ();
}
/* Terminate the current thread. */
@ -224,7 +236,7 @@ __gthread_objc_thread_exit (void)
{
if (__gthread_active_p ())
/* exit the thread */
thr_exit (&__objc_thread_exit_status);
__gthrw_thr_exit (&__objc_thread_exit_status);
/* Failed if we reached here */
return -1;
@ -235,7 +247,7 @@ static inline objc_thread_t
__gthread_objc_thread_id (void)
{
if (__gthread_active_p ())
return (objc_thread_t) thr_self ();
return (objc_thread_t) __gthrw_thr_self ();
else
return (objc_thread_t) 1;
}
@ -246,7 +258,7 @@ __gthread_objc_thread_set_data (void *value)
{
if (__gthread_active_p ())
{
if (thr_setspecific (_objc_thread_storage, value) == 0)
if (__gthrw_thr_setspecific (_objc_thread_storage, value) == 0)
return 0;
else
return -1;
@ -266,7 +278,7 @@ __gthread_objc_thread_get_data (void)
if (__gthread_active_p ())
{
if (thr_getspecific (_objc_thread_storage, &value) == 0)
if (__gthrw_thr_getspecific (_objc_thread_storage, &value) == 0)
return value;
else
return NULL;
@ -282,7 +294,7 @@ static inline int
__gthread_objc_mutex_allocate (objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& mutex_init ((mutex_t *) (&(mutex->backend)), USYNC_THREAD, 0))
&& __gthrw_mutex_init ((mutex_t *) (&(mutex->backend)), USYNC_THREAD, 0))
return -1;
return 0;
@ -293,7 +305,7 @@ static inline int
__gthread_objc_mutex_deallocate (objc_mutex_t mutex)
{
if (__gthread_active_p ())
mutex_destroy ((mutex_t *) (&(mutex->backend)));
__gthrw_mutex_destroy ((mutex_t *) (&(mutex->backend)));
return 0;
}
@ -303,7 +315,7 @@ static inline int
__gthread_objc_mutex_lock (objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& mutex_lock ((mutex_t *) (&(mutex->backend))) != 0)
&& __gthrw_mutex_lock ((mutex_t *) (&(mutex->backend))) != 0)
return -1;
return 0;
@ -314,7 +326,7 @@ static inline int
__gthread_objc_mutex_trylock (objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& mutex_trylock ((mutex_t *) (&(mutex->backend))) != 0)
&& __gthrw_mutex_trylock ((mutex_t *) (&(mutex->backend))) != 0)
return -1;
return 0;
@ -325,7 +337,7 @@ static inline int
__gthread_objc_mutex_unlock (objc_mutex_t mutex)
{
if (__gthread_active_p ()
&& mutex_unlock ((mutex_t *) (&(mutex->backend))) != 0)
&& __gthrw_mutex_unlock ((mutex_t *) (&(mutex->backend))) != 0)
return -1;
return 0;
@ -338,7 +350,7 @@ static inline int
__gthread_objc_condition_allocate (objc_condition_t condition)
{
if (__gthread_active_p ())
return cond_init ((cond_t *) (&(condition->backend)), USYNC_THREAD,
return __gthrw_cond_init ((cond_t *) (&(condition->backend)), USYNC_THREAD,
NULL);
else
return 0;
@ -349,7 +361,7 @@ static inline int
__gthread_objc_condition_deallocate (objc_condition_t condition)
{
if (__gthread_active_p ())
return cond_destroy ((cond_t *) (&(condition->backend)));
return __gthrw_cond_destroy ((cond_t *) (&(condition->backend)));
else
return 0;
}
@ -359,7 +371,7 @@ static inline int
__gthread_objc_condition_wait (objc_condition_t condition, objc_mutex_t mutex)
{
if (__gthread_active_p ())
return cond_wait ((cond_t *) (&(condition->backend)),
return __gthrw_cond_wait ((cond_t *) (&(condition->backend)),
(mutex_t *) (&(mutex->backend)));
else
return 0;
@ -370,7 +382,7 @@ static inline int
__gthread_objc_condition_broadcast (objc_condition_t condition)
{
if (__gthread_active_p ())
return cond_broadcast ((cond_t *) (&(condition->backend)));
return __gthrw_cond_broadcast ((cond_t *) (&(condition->backend)));
else
return 0;
}
@ -380,7 +392,7 @@ static inline int
__gthread_objc_condition_signal (objc_condition_t condition)
{
if (__gthread_active_p ())
return cond_signal ((cond_t *) (&(condition->backend)));
return __gthrw_cond_signal ((cond_t *) (&(condition->backend)));
else
return 0;
}
@ -398,7 +410,7 @@ __gthread_once (__gthread_once_t *once, void (*func) (void))
if (once->once == 0)
{
int status = mutex_lock (&once->mutex);
int status = __gthrw_mutex_lock (&once->mutex);
if (status != 0)
return status;
if (once->once == 0)
@ -406,7 +418,7 @@ __gthread_once (__gthread_once_t *once, void (*func) (void))
(*func) ();
once->once++;
}
mutex_unlock (&once->mutex);
__gthrw_mutex_unlock (&once->mutex);
}
return 0;
}
@ -417,7 +429,7 @@ __gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
/* Solaris 2.5 contains thr_* routines no-op in libc, so test if we actually
got a reasonable key value, and if not, fail. */
*key = (__gthread_key_t)-1;
if (thr_keycreate (key, dtor) != 0 || *key == (__gthread_key_t)-1)
if (__gthrw_thr_keycreate (key, dtor) != 0 || *key == (__gthread_key_t)-1)
return -1;
else
return 0;
@ -434,7 +446,7 @@ static inline void *
__gthread_getspecific (__gthread_key_t key)
{
void *ptr;
if (thr_getspecific (key, &ptr) == 0)
if (__gthrw_thr_getspecific (key, &ptr) == 0)
return ptr;
else
return 0;
@ -443,14 +455,14 @@ __gthread_getspecific (__gthread_key_t key)
static inline int
__gthread_setspecific (__gthread_key_t key, const void *ptr)
{
return thr_setspecific (key, (void *) ptr);
return __gthrw_thr_setspecific (key, (void *) ptr);
}
static inline int
__gthread_mutex_lock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return mutex_lock (mutex);
return __gthrw_mutex_lock (mutex);
else
return 0;
}
@ -459,7 +471,7 @@ static inline int
__gthread_mutex_trylock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return mutex_trylock (mutex);
return __gthrw_mutex_trylock (mutex);
else
return 0;
}
@ -468,7 +480,7 @@ static inline int
__gthread_mutex_unlock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return mutex_unlock (mutex);
return __gthrw_mutex_unlock (mutex);
else
return 0;
}
@ -478,7 +490,7 @@ __gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex)
{
mutex->depth = 0;
mutex->owner = (thread_t) 0;
return mutex_init (&mutex->actual, USYNC_THREAD, 0);
return __gthrw_mutex_init (&mutex->actual, USYNC_THREAD, 0);
}
static inline int
@ -486,11 +498,11 @@ __gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
{
if (__gthread_active_p ())
{
thread_t me = thr_self ();
thread_t me = __gthrw_thr_self ();
if (mutex->owner != me)
{
mutex_lock (&mutex->actual);
__gthrw_mutex_lock (&mutex->actual);
mutex->owner = me;
}
@ -504,11 +516,11 @@ __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex)
{
if (__gthread_active_p ())
{
thread_t me = thr_self ();
thread_t me = __gthrw_thr_self ();
if (mutex->owner != me)
{
if (mutex_trylock (&mutex->actual))
if (__gthrw_mutex_trylock (&mutex->actual))
return 1;
mutex->owner = me;
}
@ -526,7 +538,7 @@ __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
if (--mutex->depth == 0)
{
mutex->owner = (thread_t) 0;
mutex_unlock (&mutex->actual);
__gthrw_mutex_unlock (&mutex->actual);
}
}
return 0;

View File

@ -1,6 +1,6 @@
/* Threads compatibility routines for libgcc2 and libobjc.
Compile this one with gcc.
Copyright (C) 2004 Free Software Foundation, Inc.
Copyright (C) 2004, 2005 Free Software Foundation, Inc.
This file is part of GCC.
@ -69,19 +69,26 @@ typedef pthread_mutex_t __gthread_recursive_mutex_t;
#define __tpf_pthread_active() (CE2THRCPTR != NOTATHREAD)
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
# define __gthrw(name) \
extern __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name)))
#else
# define __gthrw_asmname(cname) __gthrw_asmnamep (__USER_LABEL_PREFIX__, cname)
# define __gthrw_asmnamep(prefix, cname) __gthrw_string (prefix) cname
# define __gthrw_string(x) #x
# define __gthrw(name) \
extern __typeof(name) __gthrw_ ## name __asm (__gthrw_asmname (#name))
#endif
#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
__gthrw(pthread_once);
__gthrw(pthread_key_create);
__gthrw(pthread_key_delete);
__gthrw(pthread_getspecific);
__gthrw(pthread_setspecific);
__gthrw(pthread_create);
#pragma weak pthread_mutex_lock
#pragma weak pthread_mutex_trylock
#pragma weak pthread_mutex_unlock
#endif /* SUPPORTS_WEAK */
__gthrw(pthread_mutex_lock);
__gthrw(pthread_mutex_trylock);
__gthrw(pthread_mutex_unlock);
static inline int
__gthread_active_p (void)
@ -93,7 +100,7 @@ static inline int
__gthread_once (__gthread_once_t *once, void (*func) (void))
{
if (__tpf_pthread_active ())
return pthread_once (once, func);
return __gthrw_pthread_once (once, func);
else
return -1;
}
@ -102,7 +109,7 @@ static inline int
__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
{
if (__tpf_pthread_active ())
return pthread_key_create (key, dtor);
return __gthrw_pthread_key_create (key, dtor);
else
return -1;
}
@ -111,7 +118,7 @@ static inline int
__gthread_key_delete (__gthread_key_t key)
{
if (__tpf_pthread_active ())
return pthread_key_delete (key);
return __gthrw_pthread_key_delete (key);
else
return -1;
}
@ -120,7 +127,7 @@ static inline void *
__gthread_getspecific (__gthread_key_t key)
{
if (__tpf_pthread_active ())
return pthread_getspecific (key);
return __gthrw_pthread_getspecific (key);
else
return NULL;
}
@ -129,7 +136,7 @@ static inline int
__gthread_setspecific (__gthread_key_t key, const void *ptr)
{
if (__tpf_pthread_active ())
return pthread_setspecific (key, ptr);
return __gthrw_pthread_setspecific (key, ptr);
else
return -1;
}
@ -138,7 +145,7 @@ static inline int
__gthread_mutex_lock (__gthread_mutex_t *mutex)
{
if (__tpf_pthread_active ())
return pthread_mutex_lock (mutex);
return __gthrw_pthread_mutex_lock (mutex);
else
return 0;
}
@ -147,7 +154,7 @@ static inline int
__gthread_mutex_trylock (__gthread_mutex_t *mutex)
{
if (__tpf_pthread_active ())
return pthread_mutex_trylock (mutex);
return __gthrw_pthread_mutex_trylock (mutex);
else
return 0;
}
@ -156,7 +163,7 @@ static inline int
__gthread_mutex_unlock (__gthread_mutex_t *mutex)
{
if (__tpf_pthread_active ())
return pthread_mutex_unlock (mutex);
return __gthrw_pthread_mutex_unlock (mutex);
else
return 0;
}

View File

@ -1,3 +1,8 @@
2005-11-09 Alexandre Oliva <aoliva@redhat.com>
PR other/4372
* thr-objc.c (_XOPEN_SOURCE): Define.
2005-10-07 Ulrich Weigand <uweigand@de.ibm.com>
PR libobjc/23612

View File

@ -24,6 +24,10 @@ Boston, MA 02110-1301, USA. */
covered by the GNU General Public License. */
#define _LIBOBJC
/* The line below is needed for declarations of functions such as
pthread_mutexattr_settype, without which gthr-posix.h may fail to
compile within libobjc. */
#define _XOPEN_SOURCE 500
#include "config.h"
#include "tconfig.h"
#include "coretypes.h"