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+++ Libc/Libc-320/pthreads/pthread.h
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+/*
+ * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/*
+ * Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and
+ * its documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appears in all copies and
+ * that both the copyright notice and this permission notice appear in
+ * supporting documentation.
+ *
+ * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
+ * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+/*
+ * MkLinux
+ */
+
+/*
+ * POSIX Threads - IEEE 1003.1c
+ */
+
+#ifndef _POSIX_PTHREAD_H
+#define _POSIX_PTHREAD_H
+
+#ifndef __POSIX_LIB__
+#include <pthread_impl.h>
+#endif
+#include <errno.h>
+#include <sched.h>
+#include <time.h>
+#include <unistd.h>
+#include <limits.h>
+#include <signal.h>
+
+#ifndef _POSIX_C_SOURCE
+#include <mach/mach_types.h>
+#endif /* ! _POSIX_C_SOURCE */
+
+/*
+ * These symbols indicate which [optional] features are available
+ * They can be tested at compile time via '#ifdef XXX'
+ * The way to check for pthreads is like so:
+
+ * #include <unistd.h>
+ * #ifdef _POSIX_THREADS
+ * #include <pthread.h>
+ * #endif
+
+ */
+
+/* These will be moved to unistd.h */
+
+
+/* These two should be defined also */
+#undef _POSIX_THREAD_PROCESS_SHARED
+#undef _POSIX_THREAD_SAFE_FUNCTIONS
+
+/*
+ * Note: These data structures are meant to be opaque. Only enough
+ * structure is exposed to support initializers.
+ * All of the typedefs will be moved to <sys/types.h>
+ */
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+/*
+ * Threads
+ */
+
+
+/*
+ * Cancel cleanup handler management. Note, since these are implemented as macros,
+ * they *MUST* occur in matched pairs!
+ */
+
+#define pthread_cleanup_push(func, val) \
+ { \
+ struct _pthread_handler_rec __handler; \
+ pthread_t __self = pthread_self(); \
+ __handler.routine = func; \
+ __handler.arg = val; \
+ __handler.next = __self->cleanup_stack; \
+ __self->cleanup_stack = &__handler;
+
+#define pthread_cleanup_pop(execute) \
+ /* Note: 'handler' must be in this same lexical context! */ \
+ __self->cleanup_stack = __handler.next; \
+ if (execute) (__handler.routine)(__handler.arg); \
+ }
+
+/*
+ * Thread attributes
+ */
+
+#define PTHREAD_CREATE_JOINABLE 1
+#define PTHREAD_CREATE_DETACHED 2
+
+#define PTHREAD_INHERIT_SCHED 1
+#define PTHREAD_EXPLICIT_SCHED 2
+
+#define PTHREAD_CANCEL_ENABLE 0x01 /* Cancel takes place at next cancellation point */
+#define PTHREAD_CANCEL_DISABLE 0x00 /* Cancel postponed */
+#define PTHREAD_CANCEL_DEFERRED 0x02 /* Cancel waits until cancellation point */
+#define PTHREAD_CANCEL_ASYNCHRONOUS 0x00 /* Cancel occurs immediately */
+
+/* We only support PTHREAD_SCOPE_SYSTEM */
+#define PTHREAD_SCOPE_SYSTEM 1
+#define PTHREAD_SCOPE_PROCESS 2
+
+/* We only support PTHREAD_PROCESS_PRIVATE */
+#define PTHREAD_PROCESS_SHARED 1
+#define PTHREAD_PROCESS_PRIVATE 2
+
+/* Who defines this? */
+
+#if !defined(ENOTSUP)
+#define ENOTSUP 89
+#endif
+/*
+ * Mutex protocol attributes
+ */
+#define PTHREAD_PRIO_NONE 0
+#define PTHREAD_PRIO_INHERIT 1
+#define PTHREAD_PRIO_PROTECT 2
+
+/*
+ * Mutex type attributes
+ */
+#define PTHREAD_MUTEX_NORMAL 0
+#define PTHREAD_MUTEX_ERRORCHECK 1
+#define PTHREAD_MUTEX_RECURSIVE 2
+#define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_NORMAL
+/*
+ * Mutex variables
+ */
+
+#define PTHREAD_MUTEX_INITIALIZER {_PTHREAD_MUTEX_SIG_init, {0}}
+
+/*
+ * Condition variable attributes
+ */
+
+/*
+ * Condition variables
+ */
+
+#define PTHREAD_COND_INITIALIZER {_PTHREAD_COND_SIG_init, {0}}
+
+/*
+ * Initialization control (once) variables
+ */
+
+#define PTHREAD_ONCE_INIT {_PTHREAD_ONCE_SIG_init, {0}}
+
+/*
+ * Thread Specific Data - keys
+ */
+
+#include <sys/time.h>
+
+/*
+ * Prototypes for all PTHREAD interfaces
+ */
+int pthread_attr_destroy(pthread_attr_t *attr);
+int pthread_attr_getdetachstate(const pthread_attr_t *attr,
+ int *detachstate);
+int pthread_attr_getinheritsched(const pthread_attr_t *attr,
+ int *inheritsched);
+int pthread_attr_getschedparam(const pthread_attr_t *attr,
+ struct sched_param *param);
+int pthread_attr_getschedpolicy(const pthread_attr_t *attr,
+ int *policy);
+int pthread_attr_getstackaddr(const pthread_attr_t *attr,
+ void **stackaddr);
+int pthread_attr_getstacksize(const pthread_attr_t *attr,
+ size_t *stacksize);
+int pthread_attr_getstack(const pthread_attr_t *attr,
+ void **stackaddr, size_t *stacksize);
+int pthread_attr_getguardsize(const pthread_attr_t *attr,
+ size_t *guardsize);
+int pthread_attr_init(pthread_attr_t *attr);
+int pthread_attr_setdetachstate(pthread_attr_t *attr,
+ int detachstate);
+int pthread_attr_setinheritsched(pthread_attr_t *attr,
+ int inheritsched);
+int pthread_attr_setschedparam(pthread_attr_t *attr,
+ const struct sched_param *param);
+int pthread_attr_setschedpolicy(pthread_attr_t *attr,
+ int policy);
+int pthread_attr_setstackaddr(pthread_attr_t *attr,
+ void *stackaddr);
+int pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize);
+int pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize);
+int pthread_attr_setstack(pthread_attr_t *attr,
+ void *stackaddr, size_t stacksize);
+int pthread_cancel(pthread_t thread);
+int pthread_setcancelstate(int state, int *oldstate);
+int pthread_setcanceltype(int type, int *oldtype);
+void pthread_testcancel(void);
+int pthread_cond_broadcast(pthread_cond_t *cond);
+int pthread_cond_destroy(pthread_cond_t *cond);
+int pthread_cond_init(pthread_cond_t *cond,
+ const pthread_condattr_t *attr);
+int pthread_cond_signal(pthread_cond_t *cond);
+int pthread_cond_wait(pthread_cond_t *cond,
+ pthread_mutex_t *mutex);
+int pthread_cond_timedwait(pthread_cond_t *cond,
+ pthread_mutex_t *mutex,
+ const struct timespec *abstime);
+int pthread_condattr_init(pthread_condattr_t *attr);
+int pthread_condattr_destroy(pthread_condattr_t *attr);
+int pthread_condattr_getpshared(const pthread_condattr_t *attr,
+ int *pshared);
+int pthread_condattr_setpshared(pthread_condattr_t *attr,
+ int pshared);
+int pthread_create(pthread_t *thread,
+ const pthread_attr_t *attr,
+ void *(*start_routine)(void *),
+ void *arg);
+int pthread_detach(pthread_t thread);
+int pthread_equal(pthread_t t1,
+ pthread_t t2);
+void pthread_exit(void *value_ptr) __dead2;
+int pthread_kill(pthread_t, int);
+int pthread_sigmask(int, const sigset_t *, sigset_t *);
+int pthread_getschedparam(pthread_t thread,
+ int *policy,
+ struct sched_param *param);
+int pthread_join(pthread_t thread,
+ void **value_ptr);
+int pthread_mutex_destroy(pthread_mutex_t *mutex);
+int pthread_mutex_getprioceiling(const pthread_mutex_t *mutex,
+ int *prioceiling);
+int pthread_mutex_init(pthread_mutex_t *mutex,
+ const pthread_mutexattr_t *attr);
+int pthread_mutex_lock(pthread_mutex_t *mutex);
+int pthread_mutex_setprioceiling(pthread_mutex_t *mutex,
+ int prioceiling,
+ int *old_prioceiling);
+int pthread_mutex_trylock(pthread_mutex_t *mutex);
+int pthread_mutex_unlock(pthread_mutex_t *mutex);
+int pthread_mutexattr_destroy(pthread_mutexattr_t *attr);
+int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *attr,
+ int *prioceiling);
+int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *attr,
+ int *protocol);
+int pthread_mutexattr_getpshared(const pthread_mutexattr_t *attr,
+ int *pshared);
+int pthread_mutexattr_gettype(const pthread_mutexattr_t *attr,
+ int *type);
+int pthread_mutexattr_init(pthread_mutexattr_t *attr);
+int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *attr,
+ int prioceiling);
+int pthread_mutexattr_setprotocol(pthread_mutexattr_t *attr,
+ int protocol);
+int pthread_mutexattr_settype(pthread_mutexattr_t *attr,
+ int type);
+int pthread_mutexattr_setpshared(pthread_mutexattr_t *attr,
+ int pshared);
+int pthread_once(pthread_once_t *once_control,
+ void (*init_routine)(void));
+pthread_t pthread_self(void);
+int pthread_setschedparam(pthread_t thread,
+ int policy,
+ const struct sched_param *param);
+int pthread_key_create(pthread_key_t *key,
+ void (*destructor)(void *));
+int pthread_key_delete(pthread_key_t key);
+int pthread_setspecific(pthread_key_t key,
+ const void *value);
+void *pthread_getspecific(pthread_key_t key);
+int pthread_attr_getscope(pthread_attr_t *, int *);
+int pthread_attr_setscope(pthread_attr_t *, int);
+int pthread_getconcurrency(void);
+int pthread_setconcurrency(int);
+int pthread_rwlock_destroy(pthread_rwlock_t * rwlock);
+int pthread_rwlock_init(pthread_rwlock_t * rwlock,
+ const pthread_rwlockattr_t *attr);
+int pthread_rwlock_rdlock(pthread_rwlock_t *rwlock);
+int pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock);
+int pthread_rwlock_wrlock(pthread_rwlock_t *rwlock);
+int pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock);
+int pthread_rwlock_unlock(pthread_rwlock_t *rwlock);
+int pthread_rwlockattr_init(pthread_rwlockattr_t *attr);
+int pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr);
+int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *attr,
+ int *pshared);
+int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *attr,
+ int pshared);
+
+#ifndef _POSIX_C_SOURCE
+/* returns non-zero if pthread_create or cthread_fork have been called */
+int pthread_is_threaded_np(void);
+
+/* returns non-zero if the current thread is the main thread */
+int pthread_main_np(void);
+
+/* return the mach thread bound to the pthread */
+mach_port_t pthread_mach_thread_np(pthread_t);
+size_t pthread_get_stacksize_np(pthread_t);
+void * pthread_get_stackaddr_np(pthread_t);
+
+/* Like pthread_cond_signal(), but only wake up the specified pthread */
+int pthread_cond_signal_thread_np(pthread_cond_t *, pthread_t);
+
+/* Like pthread_cond_timedwait, but use a relative timeout */
+int pthread_cond_timedwait_relative_np(pthread_cond_t *cond,
+ pthread_mutex_t *mutex,
+ const struct timespec *reltime);
+
+/* Like pthread_create(), but leaves the thread suspended */
+int pthread_create_suspended_np(pthread_t *thread,
+ const pthread_attr_t *attr,
+ void *(*start_routine)(void *),
+ void *arg);
+void pthread_yield_np(void);
+#endif /* ! _POSIX_C_SOURCE */
+__END_DECLS
+#endif /* _POSIX_PTHREAD_H */