+2011-11-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR bootstrap/50982
+ * config/gthr-posix.h: Move ...
+ * gthr-posix.h: ... here.
+ * config/gthr-lynx.h: Reflect this.
+ * config/gthr-vxworks.h: Likewise.
+ * config/rs6000/gthr-aix.h: Likewise.
+ * configure.ac (target_thread_file): Likewise.
+ * configure: Regenerate.
+
2011-11-06 Sebastian Huber <sebastian.huber@embedded-brains.de>
* config.host (arm*-*-rtemseabi*): New target.
#undef GTHREAD_USE_WEAK
#define GTHREAD_USE_WEAK 0
-#include "config/gthr-posix.h"
+#include "gthr-posix.h"
#else
#include "gthr-single.h"
+++ /dev/null
-/* Threads compatibility routines for libgcc2 and libobjc. */
-/* Compile this one with gcc. */
-/* Copyright (C) 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
- 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
-
-This file is part of GCC.
-
-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
-Software Foundation; either version 3, or (at your option) any later
-version.
-
-GCC is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-Under Section 7 of GPL version 3, you are granted additional
-permissions described in the GCC Runtime Library Exception, version
-3.1, as published by the Free Software Foundation.
-
-You should have received a copy of the GNU General Public License and
-a copy of the GCC Runtime Library Exception along with this program;
-see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
-<http://www.gnu.org/licenses/>. */
-
-#ifndef GCC_GTHR_POSIX_H
-#define GCC_GTHR_POSIX_H
-
-/* POSIX threads specific definitions.
- Easy, since the interface is just one-to-one mapping. */
-
-#define __GTHREADS 1
-#define __GTHREADS_CXX0X 1
-
-/* Some implementations of <pthread.h> require this to be defined. */
-#if !defined(_REENTRANT) && defined(__osf__)
-#define _REENTRANT 1
-#endif
-
-#include <pthread.h>
-
-#if ((defined(_LIBOBJC) || defined(_LIBOBJC_WEAK)) \
- || !defined(_GTHREAD_USE_MUTEX_TIMEDLOCK))
-# include <unistd.h>
-# if defined(_POSIX_TIMEOUTS) && _POSIX_TIMEOUTS >= 0
-# define _GTHREAD_USE_MUTEX_TIMEDLOCK 1
-# else
-# define _GTHREAD_USE_MUTEX_TIMEDLOCK 0
-# endif
-#endif
-
-typedef pthread_t __gthread_t;
-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;
-typedef pthread_cond_t __gthread_cond_t;
-typedef struct timespec __gthread_time_t;
-
-/* POSIX like conditional variables are supported. Please look at comments
- in gthr.h for details. */
-#define __GTHREAD_HAS_COND 1
-
-#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
-#define __GTHREAD_COND_INIT PTHREAD_COND_INITIALIZER
-#define __GTHREAD_TIME_INIT {0,0}
-
-#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
-
-/* Typically, __gthrw_foo is a weak reference to symbol foo. */
-#define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
-
-/* On Tru64, /usr/include/pthread.h uses #pragma extern_prefix "__" to
- map a subset of the POSIX pthread API to mangled versions of their
- names. */
-#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_join)
-__gthrw3(pthread_detach)
-__gthrw3(pthread_equal)
-__gthrw3(pthread_self)
-__gthrw3(pthread_cancel)
-__gthrw3(sched_yield)
-
-__gthrw3(pthread_mutex_lock)
-__gthrw3(pthread_mutex_trylock)
-#if _GTHREAD_USE_MUTEX_TIMEDLOCK
-__gthrw3(pthread_mutex_timedlock)
-#endif
-__gthrw3(pthread_mutex_unlock)
-__gthrw3(pthread_mutex_init)
-__gthrw3(pthread_mutex_destroy)
-
-__gthrw3(pthread_cond_broadcast)
-__gthrw3(pthread_cond_signal)
-__gthrw3(pthread_cond_wait)
-__gthrw3(pthread_cond_timedwait)
-__gthrw3(pthread_cond_destroy)
-#else
-__gthrw(pthread_once)
-__gthrw(pthread_getspecific)
-__gthrw(pthread_setspecific)
-
-__gthrw(pthread_create)
-__gthrw(pthread_join)
-__gthrw(pthread_equal)
-__gthrw(pthread_self)
-__gthrw(pthread_detach)
-#ifndef __BIONIC__
-__gthrw(pthread_cancel)
-#endif
-__gthrw(sched_yield)
-
-__gthrw(pthread_mutex_lock)
-__gthrw(pthread_mutex_trylock)
-#if _GTHREAD_USE_MUTEX_TIMEDLOCK
-__gthrw(pthread_mutex_timedlock)
-#endif
-__gthrw(pthread_mutex_unlock)
-__gthrw(pthread_mutex_init)
-__gthrw(pthread_mutex_destroy)
-
-__gthrw(pthread_cond_broadcast)
-__gthrw(pthread_cond_signal)
-__gthrw(pthread_cond_wait)
-__gthrw(pthread_cond_timedwait)
-__gthrw(pthread_cond_destroy)
-#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)
-/* Objective-C. */
-#if defined(__osf__) && defined(_PTHREAD_USE_MANGLED_NAMES_)
-__gthrw3(pthread_cond_init)
-__gthrw3(pthread_exit)
-#else
-__gthrw(pthread_cond_init)
-__gthrw(pthread_exit)
-#endif /* __osf__ && _PTHREAD_USE_MANGLED_NAMES_ */
-#ifdef _POSIX_PRIORITY_SCHEDULING
-#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
-__gthrw(sched_get_priority_max)
-__gthrw(sched_get_priority_min)
-#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
-#endif /* _POSIX_PRIORITY_SCHEDULING */
-__gthrw(pthread_attr_destroy)
-__gthrw(pthread_attr_init)
-__gthrw(pthread_attr_setdetachstate)
-#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
-__gthrw(pthread_getschedparam)
-__gthrw(pthread_setschedparam)
-#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
-#endif /* _LIBOBJC || _LIBOBJC_WEAK */
-
-#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
-
-/* On Solaris 2.6 up to 9, the libc exposes a POSIX threads interface even if
- -pthreads is not specified. The functions are dummies and most return an
- error value. However pthread_once returns 0 without invoking the routine
- it is passed so we cannot pretend that the interface is active if -pthreads
- is not specified. On Solaris 2.5.1, the interface is not exposed at all so
- we need to play the usual game with weak symbols. On Solaris 10 and up, a
- working interface is always exposed. On FreeBSD 6 and later, libc also
- exposes a dummy POSIX threads interface, similar to what Solaris 2.6 up
- to 9 does. FreeBSD >= 700014 even provides a pthread_cancel stub in libc,
- which means the alternate __gthread_active_p below cannot be used there. */
-
-#if defined(__FreeBSD__) || (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;
-
- /* Avoid reading __gthread_active twice on the main code path. */
- int __gthread_active_latest_value = __gthread_active;
-
- /* This test is not protected to avoid taking a lock on the main code
- path so every update of __gthread_active in a threaded program must
- be atomic with regard to the result of the test. */
- if (__builtin_expect (__gthread_active_latest_value < 0, 0))
- {
- if (__gthrw_(pthread_once))
- {
- /* If this really is a threaded program, then we must ensure that
- __gthread_active has been set to 1 before exiting this block. */
- __gthrw_(pthread_mutex_lock) (&__gthread_active_mutex);
- __gthrw_(pthread_once) (&__gthread_active_once, __gthread_trigger);
- __gthrw_(pthread_mutex_unlock) (&__gthread_active_mutex);
- }
-
- /* Make sure we'll never enter this block again. */
- if (__gthread_active < 0)
- __gthread_active = 0;
-
- __gthread_active_latest_value = __gthread_active;
- }
-
- return __gthread_active_latest_value != 0;
-}
-
-#else /* neither FreeBSD nor Solaris */
-
-static inline int
-__gthread_active_p (void)
-{
-/* Android's C library does not provide pthread_cancel, check for
- `pthread_create' instead. */
-#ifndef __BIONIC__
- static void *const __gthread_active_ptr
- = __extension__ (void *) &__gthrw_(pthread_cancel);
-#else
- static void *const __gthread_active_ptr
- = __extension__ (void *) &__gthrw_(pthread_create);
-#endif
- return __gthread_active_ptr != 0;
-}
-
-#endif /* FreeBSD or Solaris */
-
-#else /* not SUPPORTS_WEAK */
-
-/* Similar to Solaris, HP-UX 11 for PA-RISC provides stubs for pthread
- calls in shared flavors of the HP-UX C library. Most of the stubs
- have no functionality. The details are described in the "libc cumulative
- patch" for each subversion of HP-UX 11. There are two special interfaces
- provided for checking whether an application is linked to a shared pthread
- library or not. However, these interfaces aren't available in early
- libpthread libraries. We also need a test that works for archive
- libraries. We can't use pthread_once as some libc versions call the
- init function. We also can't use pthread_create or pthread_attr_init
- as these create a thread and thereby prevent changing the default stack
- size. The function pthread_default_stacksize_np is available in both
- the archive and shared versions of libpthread. It can be used to
- determine the default pthread stack size. There is a stub in some
- shared libc versions which returns a zero size if pthreads are not
- active. We provide an equivalent stub to handle cases where libc
- doesn't provide one. */
-
-#if defined(__hppa__) && defined(__hpux__)
-
-static volatile int __gthread_active = -1;
-
-static inline int
-__gthread_active_p (void)
-{
- /* Avoid reading __gthread_active twice on the main code path. */
- int __gthread_active_latest_value = __gthread_active;
- size_t __s;
-
- if (__builtin_expect (__gthread_active_latest_value < 0, 0))
- {
- pthread_default_stacksize_np (0, &__s);
- __gthread_active = __s ? 1 : 0;
- __gthread_active_latest_value = __gthread_active;
- }
-
- return __gthread_active_latest_value != 0;
-}
-
-#else /* not hppa-hpux */
-
-static inline int
-__gthread_active_p (void)
-{
- return 1;
-}
-
-#endif /* hppa-hpux */
-
-#endif /* SUPPORTS_WEAK */
-
-#ifdef _LIBOBJC
-
-/* This is the config.h file in libobjc/ */
-#include <config.h>
-
-#ifdef HAVE_SCHED_H
-# include <sched.h>
-#endif
-
-/* Key structure for maintaining thread specific storage */
-static pthread_key_t _objc_thread_storage;
-static pthread_attr_t _objc_thread_attribs;
-
-/* Thread local storage for a single thread */
-static void *thread_local_storage = NULL;
-
-/* Backend initialization functions */
-
-/* Initialize the threads subsystem. */
-static inline int
-__gthread_objc_init_thread_system (void)
-{
- if (__gthread_active_p ())
- {
- /* Initialize the thread storage key. */
- 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 (__gthrw_(pthread_attr_init) (&_objc_thread_attribs) == 0
- && __gthrw_(pthread_attr_setdetachstate) (&_objc_thread_attribs,
- PTHREAD_CREATE_DETACHED) == 0)
- return 0;
- }
- }
-
- return -1;
-}
-
-/* Close the threads subsystem. */
-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;
-}
-
-/* Backend thread functions */
-
-/* Create a new thread of execution. */
-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, &_objc_thread_attribs,
- (void *) func, arg)))
- thread_id = (objc_thread_t) new_thread_handle;
- else
- thread_id = NULL;
-
- return thread_id;
-}
-
-/* Set the current thread's priority. */
-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;
-
- /*
- * The solaris 7 and several other man pages incorrectly state that
- * this should be a pointer to policy but pthread.h is universally
- * at odds with this.
- */
- if (__gthrw_(pthread_setschedparam) (thread_id, policy, ¶ms) == 0)
- return 0;
- }
-#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
-#endif /* _POSIX_PRIORITY_SCHEDULING */
- return -1;
- }
-}
-
-/* Return the current thread's priority. */
-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 /* _POSIX_THREAD_PRIORITY_SCHEDULING */
-#endif /* _POSIX_PRIORITY_SCHEDULING */
- return OBJC_THREAD_INTERACTIVE_PRIORITY;
-}
-
-/* Yield our process time to another thread. */
-static inline void
-__gthread_objc_thread_yield (void)
-{
- if (__gthread_active_p ())
- __gthrw_(sched_yield) ();
-}
-
-/* Terminate the current thread. */
-static inline int
-__gthread_objc_thread_exit (void)
-{
- if (__gthread_active_p ())
- /* exit the thread */
- __gthrw_(pthread_exit) (&__objc_thread_exit_status);
-
- /* Failed if we reached here */
- return -1;
-}
-
-/* Returns an integer value which uniquely describes a thread. */
-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;
-}
-
-/* Sets the thread's local storage pointer. */
-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;
- }
-}
-
-/* Returns the thread's local storage pointer. */
-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;
-}
-
-/* Backend mutex functions */
-
-/* Allocate a mutex. */
-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;
-}
-
-/* Deallocate a mutex. */
-static inline int
-__gthread_objc_mutex_deallocate (objc_mutex_t mutex)
-{
- if (__gthread_active_p ())
- {
- int count;
-
- /*
- * Posix Threads specifically require that the thread be unlocked
- * for __gthrw_(pthread_mutex_destroy) to work.
- */
-
- 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;
-}
-
-/* Grab a lock on a mutex. */
-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;
-}
-
-/* Try to grab a lock on a mutex. */
-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;
-}
-
-/* Unlock the mutex */
-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;
-}
-
-/* Backend condition mutex functions */
-
-/* Allocate a condition. */
-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;
-}
-
-/* Deallocate a condition. */
-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;
-}
-
-/* Wait on the condition */
-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;
-}
-
-/* Wake up all threads waiting on this condition. */
-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;
-}
-
-/* Wake up one thread waiting on this condition. */
-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 /* _LIBOBJC */
-
-static inline int
-__gthread_create (__gthread_t *__threadid, void *(*__func) (void*),
- void *__args)
-{
- return __gthrw_(pthread_create) (__threadid, NULL, __func, __args);
-}
-
-static inline int
-__gthread_join (__gthread_t __threadid, void **__value_ptr)
-{
- return __gthrw_(pthread_join) (__threadid, __value_ptr);
-}
-
-static inline int
-__gthread_detach (__gthread_t __threadid)
-{
- return __gthrw_(pthread_detach) (__threadid);
-}
-
-static inline int
-__gthread_equal (__gthread_t __t1, __gthread_t __t2)
-{
- return __gthrw_(pthread_equal) (__t1, __t2);
-}
-
-static inline __gthread_t
-__gthread_self (void)
-{
- return __gthrw_(pthread_self) ();
-}
-
-static inline int
-__gthread_yield (void)
-{
- return __gthrw_(sched_yield) ();
-}
-
-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_destroy (__gthread_mutex_t *__mutex)
-{
- if (__gthread_active_p ())
- return __gthrw_(pthread_mutex_destroy) (__mutex);
- else
- return 0;
-}
-
-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;
-}
-
-#if _GTHREAD_USE_MUTEX_TIMEDLOCK
-static inline int
-__gthread_mutex_timedlock (__gthread_mutex_t *__mutex,
- const __gthread_time_t *__abs_timeout)
-{
- if (__gthread_active_p ())
- return __gthrw_(pthread_mutex_timedlock) (__mutex, __abs_timeout);
- else
- return 0;
-}
-#endif
-
-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);
-}
-
-#if _GTHREAD_USE_MUTEX_TIMEDLOCK
-static inline int
-__gthread_recursive_mutex_timedlock (__gthread_recursive_mutex_t *__mutex,
- const __gthread_time_t *__abs_timeout)
-{
- return __gthread_mutex_timedlock (__mutex, __abs_timeout);
-}
-#endif
-
-static inline int
-__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
-{
- return __gthread_mutex_unlock (__mutex);
-}
-
-static inline int
-__gthread_cond_broadcast (__gthread_cond_t *__cond)
-{
- return __gthrw_(pthread_cond_broadcast) (__cond);
-}
-
-static inline int
-__gthread_cond_signal (__gthread_cond_t *__cond)
-{
- return __gthrw_(pthread_cond_signal) (__cond);
-}
-
-static inline int
-__gthread_cond_wait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex)
-{
- return __gthrw_(pthread_cond_wait) (__cond, __mutex);
-}
-
-static inline int
-__gthread_cond_timedwait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex,
- const __gthread_time_t *__abs_timeout)
-{
- return __gthrw_(pthread_cond_timedwait) (__cond, __mutex, __abs_timeout);
-}
-
-static inline int
-__gthread_cond_wait_recursive (__gthread_cond_t *__cond,
- __gthread_recursive_mutex_t *__mutex)
-{
- return __gthread_cond_wait (__cond, __mutex);
-}
-
-static inline int
-__gthread_cond_timedwait_recursive (__gthread_cond_t *__cond,
- __gthread_recursive_mutex_t *__mutex,
- const __gthread_time_t *__abs_timeout)
-{
- return __gthread_cond_timedwait (__cond, __mutex, __abs_timeout);
-}
-
-static inline int
-__gthread_cond_destroy (__gthread_cond_t* __cond)
-{
- return __gthrw_(pthread_cond_destroy) (__cond);
-}
-
-#endif /* _LIBOBJC */
-
-#endif /* ! GCC_GTHR_POSIX_H */
#ifdef _LIBOBJC
/* libobjc requires the optional pthreads component. */
-#include "config/gthr-posix.h"
+#include "gthr-posix.h"
#else
#ifdef __cplusplus
#define GCC_GTHR_AIX_H
#ifdef _THREAD_SAFE
-#include "config/gthr-posix.h"
+#include "gthr-posix.h"
#else
#include "gthr-single.h"
#endif
dce) thread_header=config/pa/gthr-dce.h ;;
lynx) thread_header=config/gthr-lynx.h ;;
mipssde) thread_header=config/mips/gthr-mipssde.h ;;
- posix) thread_header=config/gthr-posix.h ;;
+ posix) thread_header=gthr-posix.h ;;
rtems) thread_header=config/gthr-rtems.h ;;
single) thread_header=gthr-single.h ;;
tpf) thread_header=config/s390/gthr-tpf.h ;;
dce) thread_header=config/pa/gthr-dce.h ;;
lynx) thread_header=config/gthr-lynx.h ;;
mipssde) thread_header=config/mips/gthr-mipssde.h ;;
- posix) thread_header=config/gthr-posix.h ;;
+ posix) thread_header=gthr-posix.h ;;
rtems) thread_header=config/gthr-rtems.h ;;
single) thread_header=gthr-single.h ;;
tpf) thread_header=config/s390/gthr-tpf.h ;;
--- /dev/null
+/* Threads compatibility routines for libgcc2 and libobjc. */
+/* Compile this one with gcc. */
+/* Copyright (C) 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+ 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+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
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef GCC_GTHR_POSIX_H
+#define GCC_GTHR_POSIX_H
+
+/* POSIX threads specific definitions.
+ Easy, since the interface is just one-to-one mapping. */
+
+#define __GTHREADS 1
+#define __GTHREADS_CXX0X 1
+
+/* Some implementations of <pthread.h> require this to be defined. */
+#if !defined(_REENTRANT) && defined(__osf__)
+#define _REENTRANT 1
+#endif
+
+#include <pthread.h>
+
+#if ((defined(_LIBOBJC) || defined(_LIBOBJC_WEAK)) \
+ || !defined(_GTHREAD_USE_MUTEX_TIMEDLOCK))
+# include <unistd.h>
+# if defined(_POSIX_TIMEOUTS) && _POSIX_TIMEOUTS >= 0
+# define _GTHREAD_USE_MUTEX_TIMEDLOCK 1
+# else
+# define _GTHREAD_USE_MUTEX_TIMEDLOCK 0
+# endif
+#endif
+
+typedef pthread_t __gthread_t;
+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;
+typedef pthread_cond_t __gthread_cond_t;
+typedef struct timespec __gthread_time_t;
+
+/* POSIX like conditional variables are supported. Please look at comments
+ in gthr.h for details. */
+#define __GTHREAD_HAS_COND 1
+
+#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
+#define __GTHREAD_COND_INIT PTHREAD_COND_INITIALIZER
+#define __GTHREAD_TIME_INIT {0,0}
+
+#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
+
+/* Typically, __gthrw_foo is a weak reference to symbol foo. */
+#define __gthrw(name) __gthrw2(__gthrw_ ## name,name,name)
+
+/* On Tru64, /usr/include/pthread.h uses #pragma extern_prefix "__" to
+ map a subset of the POSIX pthread API to mangled versions of their
+ names. */
+#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_join)
+__gthrw3(pthread_detach)
+__gthrw3(pthread_equal)
+__gthrw3(pthread_self)
+__gthrw3(pthread_cancel)
+__gthrw3(sched_yield)
+
+__gthrw3(pthread_mutex_lock)
+__gthrw3(pthread_mutex_trylock)
+#if _GTHREAD_USE_MUTEX_TIMEDLOCK
+__gthrw3(pthread_mutex_timedlock)
+#endif
+__gthrw3(pthread_mutex_unlock)
+__gthrw3(pthread_mutex_init)
+__gthrw3(pthread_mutex_destroy)
+
+__gthrw3(pthread_cond_broadcast)
+__gthrw3(pthread_cond_signal)
+__gthrw3(pthread_cond_wait)
+__gthrw3(pthread_cond_timedwait)
+__gthrw3(pthread_cond_destroy)
+#else
+__gthrw(pthread_once)
+__gthrw(pthread_getspecific)
+__gthrw(pthread_setspecific)
+
+__gthrw(pthread_create)
+__gthrw(pthread_join)
+__gthrw(pthread_equal)
+__gthrw(pthread_self)
+__gthrw(pthread_detach)
+#ifndef __BIONIC__
+__gthrw(pthread_cancel)
+#endif
+__gthrw(sched_yield)
+
+__gthrw(pthread_mutex_lock)
+__gthrw(pthread_mutex_trylock)
+#if _GTHREAD_USE_MUTEX_TIMEDLOCK
+__gthrw(pthread_mutex_timedlock)
+#endif
+__gthrw(pthread_mutex_unlock)
+__gthrw(pthread_mutex_init)
+__gthrw(pthread_mutex_destroy)
+
+__gthrw(pthread_cond_broadcast)
+__gthrw(pthread_cond_signal)
+__gthrw(pthread_cond_wait)
+__gthrw(pthread_cond_timedwait)
+__gthrw(pthread_cond_destroy)
+#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)
+/* Objective-C. */
+#if defined(__osf__) && defined(_PTHREAD_USE_MANGLED_NAMES_)
+__gthrw3(pthread_cond_init)
+__gthrw3(pthread_exit)
+#else
+__gthrw(pthread_cond_init)
+__gthrw(pthread_exit)
+#endif /* __osf__ && _PTHREAD_USE_MANGLED_NAMES_ */
+#ifdef _POSIX_PRIORITY_SCHEDULING
+#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
+__gthrw(sched_get_priority_max)
+__gthrw(sched_get_priority_min)
+#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
+#endif /* _POSIX_PRIORITY_SCHEDULING */
+__gthrw(pthread_attr_destroy)
+__gthrw(pthread_attr_init)
+__gthrw(pthread_attr_setdetachstate)
+#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
+__gthrw(pthread_getschedparam)
+__gthrw(pthread_setschedparam)
+#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
+#endif /* _LIBOBJC || _LIBOBJC_WEAK */
+
+#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
+
+/* On Solaris 2.6 up to 9, the libc exposes a POSIX threads interface even if
+ -pthreads is not specified. The functions are dummies and most return an
+ error value. However pthread_once returns 0 without invoking the routine
+ it is passed so we cannot pretend that the interface is active if -pthreads
+ is not specified. On Solaris 2.5.1, the interface is not exposed at all so
+ we need to play the usual game with weak symbols. On Solaris 10 and up, a
+ working interface is always exposed. On FreeBSD 6 and later, libc also
+ exposes a dummy POSIX threads interface, similar to what Solaris 2.6 up
+ to 9 does. FreeBSD >= 700014 even provides a pthread_cancel stub in libc,
+ which means the alternate __gthread_active_p below cannot be used there. */
+
+#if defined(__FreeBSD__) || (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;
+
+ /* Avoid reading __gthread_active twice on the main code path. */
+ int __gthread_active_latest_value = __gthread_active;
+
+ /* This test is not protected to avoid taking a lock on the main code
+ path so every update of __gthread_active in a threaded program must
+ be atomic with regard to the result of the test. */
+ if (__builtin_expect (__gthread_active_latest_value < 0, 0))
+ {
+ if (__gthrw_(pthread_once))
+ {
+ /* If this really is a threaded program, then we must ensure that
+ __gthread_active has been set to 1 before exiting this block. */
+ __gthrw_(pthread_mutex_lock) (&__gthread_active_mutex);
+ __gthrw_(pthread_once) (&__gthread_active_once, __gthread_trigger);
+ __gthrw_(pthread_mutex_unlock) (&__gthread_active_mutex);
+ }
+
+ /* Make sure we'll never enter this block again. */
+ if (__gthread_active < 0)
+ __gthread_active = 0;
+
+ __gthread_active_latest_value = __gthread_active;
+ }
+
+ return __gthread_active_latest_value != 0;
+}
+
+#else /* neither FreeBSD nor Solaris */
+
+static inline int
+__gthread_active_p (void)
+{
+/* Android's C library does not provide pthread_cancel, check for
+ `pthread_create' instead. */
+#ifndef __BIONIC__
+ static void *const __gthread_active_ptr
+ = __extension__ (void *) &__gthrw_(pthread_cancel);
+#else
+ static void *const __gthread_active_ptr
+ = __extension__ (void *) &__gthrw_(pthread_create);
+#endif
+ return __gthread_active_ptr != 0;
+}
+
+#endif /* FreeBSD or Solaris */
+
+#else /* not SUPPORTS_WEAK */
+
+/* Similar to Solaris, HP-UX 11 for PA-RISC provides stubs for pthread
+ calls in shared flavors of the HP-UX C library. Most of the stubs
+ have no functionality. The details are described in the "libc cumulative
+ patch" for each subversion of HP-UX 11. There are two special interfaces
+ provided for checking whether an application is linked to a shared pthread
+ library or not. However, these interfaces aren't available in early
+ libpthread libraries. We also need a test that works for archive
+ libraries. We can't use pthread_once as some libc versions call the
+ init function. We also can't use pthread_create or pthread_attr_init
+ as these create a thread and thereby prevent changing the default stack
+ size. The function pthread_default_stacksize_np is available in both
+ the archive and shared versions of libpthread. It can be used to
+ determine the default pthread stack size. There is a stub in some
+ shared libc versions which returns a zero size if pthreads are not
+ active. We provide an equivalent stub to handle cases where libc
+ doesn't provide one. */
+
+#if defined(__hppa__) && defined(__hpux__)
+
+static volatile int __gthread_active = -1;
+
+static inline int
+__gthread_active_p (void)
+{
+ /* Avoid reading __gthread_active twice on the main code path. */
+ int __gthread_active_latest_value = __gthread_active;
+ size_t __s;
+
+ if (__builtin_expect (__gthread_active_latest_value < 0, 0))
+ {
+ pthread_default_stacksize_np (0, &__s);
+ __gthread_active = __s ? 1 : 0;
+ __gthread_active_latest_value = __gthread_active;
+ }
+
+ return __gthread_active_latest_value != 0;
+}
+
+#else /* not hppa-hpux */
+
+static inline int
+__gthread_active_p (void)
+{
+ return 1;
+}
+
+#endif /* hppa-hpux */
+
+#endif /* SUPPORTS_WEAK */
+
+#ifdef _LIBOBJC
+
+/* This is the config.h file in libobjc/ */
+#include <config.h>
+
+#ifdef HAVE_SCHED_H
+# include <sched.h>
+#endif
+
+/* Key structure for maintaining thread specific storage */
+static pthread_key_t _objc_thread_storage;
+static pthread_attr_t _objc_thread_attribs;
+
+/* Thread local storage for a single thread */
+static void *thread_local_storage = NULL;
+
+/* Backend initialization functions */
+
+/* Initialize the threads subsystem. */
+static inline int
+__gthread_objc_init_thread_system (void)
+{
+ if (__gthread_active_p ())
+ {
+ /* Initialize the thread storage key. */
+ 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 (__gthrw_(pthread_attr_init) (&_objc_thread_attribs) == 0
+ && __gthrw_(pthread_attr_setdetachstate) (&_objc_thread_attribs,
+ PTHREAD_CREATE_DETACHED) == 0)
+ return 0;
+ }
+ }
+
+ return -1;
+}
+
+/* Close the threads subsystem. */
+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;
+}
+
+/* Backend thread functions */
+
+/* Create a new thread of execution. */
+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, &_objc_thread_attribs,
+ (void *) func, arg)))
+ thread_id = (objc_thread_t) new_thread_handle;
+ else
+ thread_id = NULL;
+
+ return thread_id;
+}
+
+/* Set the current thread's priority. */
+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;
+
+ /*
+ * The solaris 7 and several other man pages incorrectly state that
+ * this should be a pointer to policy but pthread.h is universally
+ * at odds with this.
+ */
+ if (__gthrw_(pthread_setschedparam) (thread_id, policy, ¶ms) == 0)
+ return 0;
+ }
+#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
+#endif /* _POSIX_PRIORITY_SCHEDULING */
+ return -1;
+ }
+}
+
+/* Return the current thread's priority. */
+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 /* _POSIX_THREAD_PRIORITY_SCHEDULING */
+#endif /* _POSIX_PRIORITY_SCHEDULING */
+ return OBJC_THREAD_INTERACTIVE_PRIORITY;
+}
+
+/* Yield our process time to another thread. */
+static inline void
+__gthread_objc_thread_yield (void)
+{
+ if (__gthread_active_p ())
+ __gthrw_(sched_yield) ();
+}
+
+/* Terminate the current thread. */
+static inline int
+__gthread_objc_thread_exit (void)
+{
+ if (__gthread_active_p ())
+ /* exit the thread */
+ __gthrw_(pthread_exit) (&__objc_thread_exit_status);
+
+ /* Failed if we reached here */
+ return -1;
+}
+
+/* Returns an integer value which uniquely describes a thread. */
+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;
+}
+
+/* Sets the thread's local storage pointer. */
+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;
+ }
+}
+
+/* Returns the thread's local storage pointer. */
+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;
+}
+
+/* Backend mutex functions */
+
+/* Allocate a mutex. */
+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;
+}
+
+/* Deallocate a mutex. */
+static inline int
+__gthread_objc_mutex_deallocate (objc_mutex_t mutex)
+{
+ if (__gthread_active_p ())
+ {
+ int count;
+
+ /*
+ * Posix Threads specifically require that the thread be unlocked
+ * for __gthrw_(pthread_mutex_destroy) to work.
+ */
+
+ 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;
+}
+
+/* Grab a lock on a mutex. */
+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;
+}
+
+/* Try to grab a lock on a mutex. */
+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;
+}
+
+/* Unlock the mutex */
+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;
+}
+
+/* Backend condition mutex functions */
+
+/* Allocate a condition. */
+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;
+}
+
+/* Deallocate a condition. */
+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;
+}
+
+/* Wait on the condition */
+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;
+}
+
+/* Wake up all threads waiting on this condition. */
+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;
+}
+
+/* Wake up one thread waiting on this condition. */
+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 /* _LIBOBJC */
+
+static inline int
+__gthread_create (__gthread_t *__threadid, void *(*__func) (void*),
+ void *__args)
+{
+ return __gthrw_(pthread_create) (__threadid, NULL, __func, __args);
+}
+
+static inline int
+__gthread_join (__gthread_t __threadid, void **__value_ptr)
+{
+ return __gthrw_(pthread_join) (__threadid, __value_ptr);
+}
+
+static inline int
+__gthread_detach (__gthread_t __threadid)
+{
+ return __gthrw_(pthread_detach) (__threadid);
+}
+
+static inline int
+__gthread_equal (__gthread_t __t1, __gthread_t __t2)
+{
+ return __gthrw_(pthread_equal) (__t1, __t2);
+}
+
+static inline __gthread_t
+__gthread_self (void)
+{
+ return __gthrw_(pthread_self) ();
+}
+
+static inline int
+__gthread_yield (void)
+{
+ return __gthrw_(sched_yield) ();
+}
+
+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_destroy (__gthread_mutex_t *__mutex)
+{
+ if (__gthread_active_p ())
+ return __gthrw_(pthread_mutex_destroy) (__mutex);
+ else
+ return 0;
+}
+
+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;
+}
+
+#if _GTHREAD_USE_MUTEX_TIMEDLOCK
+static inline int
+__gthread_mutex_timedlock (__gthread_mutex_t *__mutex,
+ const __gthread_time_t *__abs_timeout)
+{
+ if (__gthread_active_p ())
+ return __gthrw_(pthread_mutex_timedlock) (__mutex, __abs_timeout);
+ else
+ return 0;
+}
+#endif
+
+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);
+}
+
+#if _GTHREAD_USE_MUTEX_TIMEDLOCK
+static inline int
+__gthread_recursive_mutex_timedlock (__gthread_recursive_mutex_t *__mutex,
+ const __gthread_time_t *__abs_timeout)
+{
+ return __gthread_mutex_timedlock (__mutex, __abs_timeout);
+}
+#endif
+
+static inline int
+__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
+{
+ return __gthread_mutex_unlock (__mutex);
+}
+
+static inline int
+__gthread_cond_broadcast (__gthread_cond_t *__cond)
+{
+ return __gthrw_(pthread_cond_broadcast) (__cond);
+}
+
+static inline int
+__gthread_cond_signal (__gthread_cond_t *__cond)
+{
+ return __gthrw_(pthread_cond_signal) (__cond);
+}
+
+static inline int
+__gthread_cond_wait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex)
+{
+ return __gthrw_(pthread_cond_wait) (__cond, __mutex);
+}
+
+static inline int
+__gthread_cond_timedwait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex,
+ const __gthread_time_t *__abs_timeout)
+{
+ return __gthrw_(pthread_cond_timedwait) (__cond, __mutex, __abs_timeout);
+}
+
+static inline int
+__gthread_cond_wait_recursive (__gthread_cond_t *__cond,
+ __gthread_recursive_mutex_t *__mutex)
+{
+ return __gthread_cond_wait (__cond, __mutex);
+}
+
+static inline int
+__gthread_cond_timedwait_recursive (__gthread_cond_t *__cond,
+ __gthread_recursive_mutex_t *__mutex,
+ const __gthread_time_t *__abs_timeout)
+{
+ return __gthread_cond_timedwait (__cond, __mutex, __abs_timeout);
+}
+
+static inline int
+__gthread_cond_destroy (__gthread_cond_t* __cond)
+{
+ return __gthrw_(pthread_cond_destroy) (__cond);
+}
+
+#endif /* _LIBOBJC */
+
+#endif /* ! GCC_GTHR_POSIX_H */
+2011-11-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR bootstrap/50982
+ * include/Makefile.am (${host_builddir}/gthr-posix.h): Reflect
+ gthr-posix.h move.
+ * include/Makefile.in: Regenerate.
+
2011-11-07 Jonathan Wakely <jwakely.gcc@gmail.com>
* acinclude.m4 (GLIBCXX_CHECK_SC_NPROC_ONLN): Define.
-e 's/\(GCC${uppercase}*_H\)/_GLIBCXX_\1/g' \
< $< > $@
-${host_builddir}/gthr-posix.h: ${toplevel_srcdir}/libgcc/config/gthr-posix.h \
+${host_builddir}/gthr-posix.h: ${toplevel_srcdir}/libgcc/gthr-posix.h \
stamp-${host_alias}
sed -e 's/\(UNUSED\)/_GLIBCXX_\1/g' \
-e 's/\(GCC${uppercase}*_H\)/_GLIBCXX_\1/g' \
-e 's/\(GCC${uppercase}*_H\)/_GLIBCXX_\1/g' \
< $< > $@
-${host_builddir}/gthr-posix.h: ${toplevel_srcdir}/libgcc/config/gthr-posix.h \
+${host_builddir}/gthr-posix.h: ${toplevel_srcdir}/libgcc/gthr-posix.h \
stamp-${host_alias}
sed -e 's/\(UNUSED\)/_GLIBCXX_\1/g' \
-e 's/\(GCC${uppercase}*_H\)/_GLIBCXX_\1/g' \
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