mirror of
https://github.com/RT-Thread/rt-thread.git
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[LIBC] mv pthreads/libdl to libc and rename dfs_lwip to dfs_net
This commit is contained in:
Bernard Xiong
305
components/libc/pthreads/pthread.h
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305
components/libc/pthreads/pthread.h
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/*
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* File : pthread.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2010, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2010-10-26 Bernard the first version
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*/
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#ifndef __PTHREAD_H__
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#define __PTHREAD_H__
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#include <rtthread.h>
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#include <posix_types.h>
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#define PTHREAD_KEY_MAX 8
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#define PTHREAD_COND_INITIALIZER {-1, 0}
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#define PTHREAD_RWLOCK_INITIALIZER {-1, 0}
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#define PTHREAD_MUTEX_INITIALIZER {-1, 0}
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#define PTHREAD_CREATE_JOINABLE 0x00
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#define PTHREAD_CREATE_DETACHED 0x01
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#define PTHREAD_EXPLICIT_SCHED 0
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#define PTHREAD_INHERIT_SCHED 1
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typedef rt_thread_t pthread_t;
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typedef long pthread_condattr_t;
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typedef long pthread_rwlockattr_t;
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typedef long pthread_mutexattr_t;
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typedef long pthread_barrierattr_t;
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typedef int pthread_key_t;
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typedef int pthread_once_t;
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enum
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{
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PTHREAD_CANCEL_ASYNCHRONOUS = 0,
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PTHREAD_CANCEL_ENABLE,
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PTHREAD_CANCEL_DEFERRED,
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PTHREAD_CANCEL_DISABLE,
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PTHREAD_CANCELED
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};
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enum
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{
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PTHREAD_MUTEX_NORMAL = 0,
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PTHREAD_MUTEX_RECURSIVE = 1,
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PTHREAD_MUTEX_ERRORCHECK = 2,
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PTHREAD_MUTEX_ERRORCHECK_NP = PTHREAD_MUTEX_ERRORCHECK,
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PTHREAD_MUTEX_RECURSIVE_NP = PTHREAD_MUTEX_RECURSIVE,
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PTHREAD_MUTEX_DEFAULT = PTHREAD_MUTEX_NORMAL
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};
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/* init value for pthread_once_t */
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#define PTHREAD_ONCE_INIT 0
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enum
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{
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PTHREAD_PRIO_INHERIT =0,
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PTHREAD_PRIO_NONE,
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PTHREAD_PRIO_PROTECT,
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};
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#define PTHREAD_PROCESS_PRIVATE 0
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#define PTHREAD_PROCESS_SHARED 1
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#define PTHREAD_SCOPE_PROCESS 0
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#define PTHREAD_SCOPE_SYSTEM 1
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struct pthread_attr
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{
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void* stack_base;
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rt_uint16_t stack_size; /* stack size of thread */
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rt_uint8_t priority; /* priority of thread */
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rt_uint8_t detachstate; /* detach state */
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rt_uint8_t policy; /* scheduler policy */
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rt_uint8_t inheritsched; /* Inherit parent prio/policy */
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};
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typedef struct pthread_attr pthread_attr_t;
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struct pthread_mutex
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{
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pthread_mutexattr_t attr;
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struct rt_mutex lock;
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};
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typedef struct pthread_mutex pthread_mutex_t;
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struct pthread_cond
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{
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pthread_condattr_t attr;
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struct rt_semaphore sem;
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};
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typedef struct pthread_cond pthread_cond_t;
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struct pthread_rwlock
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{
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pthread_rwlockattr_t attr;
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pthread_mutex_t rw_mutex; /* basic lock on this struct */
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pthread_cond_t rw_condreaders; /* for reader threads waiting */
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pthread_cond_t rw_condwriters; /* for writer threads waiting */
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int rw_nwaitreaders; /* the number of reader threads waiting */
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int rw_nwaitwriters; /* the number of writer threads waiting */
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int rw_refcount; /* 0: unlocked, -1: locked by writer, > 0 locked by n readers */
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};
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typedef struct pthread_rwlock pthread_rwlock_t;
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/* spinlock implementation, (ADVANCED REALTIME THREADS)*/
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struct pthread_spinlock
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{
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int lock;
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};
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typedef struct pthread_spinlock pthread_spinlock_t;
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struct pthread_barrier
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{
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int count;
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pthread_cond_t cond;
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pthread_mutex_t mutex;
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};
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typedef struct pthread_barrier pthread_barrier_t;
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/* pthread thread interface */
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int pthread_attr_destroy(pthread_attr_t *attr);
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int pthread_attr_init(pthread_attr_t *attr);
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int pthread_attr_setdetachstate(pthread_attr_t *attr, int state);
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int pthread_attr_getdetachstate(pthread_attr_t const *attr, int *state);
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int pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy);
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int pthread_attr_getschedpolicy(pthread_attr_t const *attr, int *policy);
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int pthread_attr_setstacksize(pthread_attr_t *attr, size_t stack_size);
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int pthread_attr_getstacksize(pthread_attr_t const *attr, size_t *stack_size);
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int pthread_attr_setstackaddr(pthread_attr_t *attr, void *stack_addr);
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int pthread_attr_getstackaddr(pthread_attr_t const *attr, void **stack_addr);
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int pthread_attr_setstack(pthread_attr_t *attr,
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void *stack_base,
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size_t stack_size);
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int pthread_attr_getstack(pthread_attr_t const *attr,
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void **stack_base,
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size_t *stack_size);
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int pthread_system_init(void);
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int pthread_create (pthread_t *tid, const pthread_attr_t *attr,
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void *(*start) (void *), void *arg);
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int pthread_detach (pthread_t thread);
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int pthread_join (pthread_t thread, void **value_ptr);
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rt_inline int pthread_equal (pthread_t t1, pthread_t t2)
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{
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return t1 == t2;
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}
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rt_inline pthread_t pthread_self (void)
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{
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return rt_thread_self();
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}
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void pthread_exit (void *value_ptr);
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int pthread_once(pthread_once_t * once_control, void (*init_routine) (void));
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/* pthread cleanup */
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void pthread_cleanup_pop(int execute);
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void pthread_cleanup_push(void (*routine)(void*), void *arg);
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/* pthread cancel */
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int pthread_cancel(pthread_t thread);
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void pthread_testcancel(void);
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int pthread_setcancelstate(int state, int *oldstate);
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int pthread_setcanceltype(int type, int *oldtype);
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int pthread_atfork(void (*prepare)(void), void (*parent)(void), void (*child)(void));
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int pthread_kill(pthread_t thread, int sig);
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/* pthread mutex interface */
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int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr);
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int pthread_mutex_destroy(pthread_mutex_t *mutex);
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int pthread_mutex_lock(pthread_mutex_t *mutex);
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int pthread_mutex_unlock(pthread_mutex_t *mutex);
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int pthread_mutex_trylock(pthread_mutex_t *mutex);
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int pthread_mutexattr_init(pthread_mutexattr_t *attr);
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int pthread_mutexattr_destroy(pthread_mutexattr_t *attr);
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int pthread_mutexattr_gettype(const pthread_mutexattr_t *attr, int *type);
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int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type);
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int pthread_mutexattr_setpshared(pthread_mutexattr_t *attr, int pshared);
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int pthread_mutexattr_getpshared(pthread_mutexattr_t *attr, int *pshared);
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/* pthread condition interface */
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int pthread_condattr_destroy(pthread_condattr_t *attr);
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int pthread_condattr_init(pthread_condattr_t *attr);
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/* ADVANCED REALTIME feature in IEEE Std 1003.1, 2004 Edition */
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int pthread_condattr_getclock(const pthread_condattr_t *attr,
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clockid_t *clock_id);
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int pthread_condattr_setclock(pthread_condattr_t *attr,
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clockid_t clock_id);
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int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr);
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int pthread_cond_destroy(pthread_cond_t *cond);
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int pthread_cond_broadcast(pthread_cond_t *cond);
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int pthread_cond_signal(pthread_cond_t *cond);
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int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex);
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int pthread_cond_timedwait(pthread_cond_t *cond,
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pthread_mutex_t *mutex,
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const struct timespec *abstime);
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/* pthread rwlock interface */
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int pthread_rwlockattr_init (pthread_rwlockattr_t *attr);
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int pthread_rwlockattr_destroy (pthread_rwlockattr_t *attr);
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int pthread_rwlockattr_getpshared (const pthread_rwlockattr_t *attr, int *pshared);
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int pthread_rwlockattr_setpshared (pthread_rwlockattr_t *attr, int pshared);
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int pthread_rwlock_init (pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr);
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int pthread_rwlock_destroy (pthread_rwlock_t *rwlock);
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int pthread_rwlock_rdlock (pthread_rwlock_t *rwlock);
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int pthread_rwlock_tryrdlock (pthread_rwlock_t *rwlock);
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int pthread_rwlock_timedrdlock (pthread_rwlock_t *rwlock, const struct timespec *abstime);
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int pthread_rwlock_timedwrlock (pthread_rwlock_t *rwlock, const struct timespec *abstime);
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int pthread_rwlock_unlock (pthread_rwlock_t *rwlock);
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int pthread_rwlock_wrlock (pthread_rwlock_t *rwlock);
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int pthread_rwlock_trywrlock (pthread_rwlock_t *rwlock);
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/* pthread spinlock interface */
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int pthread_spin_init (pthread_spinlock_t *lock, int pshared);
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int pthread_spin_destroy (pthread_spinlock_t *lock);
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int pthread_spin_lock (pthread_spinlock_t * lock);
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int pthread_spin_trylock (pthread_spinlock_t * lock);
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int pthread_spin_unlock (pthread_spinlock_t * lock);
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/* pthread barrier interface */
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int pthread_barrierattr_destroy(pthread_barrierattr_t *attr);
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int pthread_barrierattr_init(pthread_barrierattr_t *attr);
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int pthread_barrierattr_getpshared(const pthread_barrierattr_t *attr, int *pshared);
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int pthread_barrierattr_setpshared(pthread_barrierattr_t *attr, int pshared);
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int pthread_barrier_destroy(pthread_barrier_t *barrier);
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int pthread_barrier_init(pthread_barrier_t *barrier,
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const pthread_barrierattr_t *attr,
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unsigned count);
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int pthread_barrier_wait(pthread_barrier_t *barrier);
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/* Signal Generation and Delivery, P1003.1b-1993, p. 63
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NOTE: P1003.1c/D10, p. 34 adds sigev_notify_function and
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sigev_notify_attributes to the sigevent structure. */
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union sigval
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{
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int sival_int; /* Integer signal value */
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void *sival_ptr; /* Pointer signal value */
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};
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struct sigevent
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{
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int sigev_notify; /* Notification type */
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int sigev_signo; /* Signal number */
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union sigval sigev_value; /* Signal value */
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void (*sigev_notify_function)( union sigval );
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/* Notification function */
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pthread_attr_t *sigev_notify_attributes; /* Notification Attributes */
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};
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/* posix clock and timer */
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#define MILLISECOND_PER_SECOND 1000UL
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#define MICROSECOND_PER_SECOND 1000000UL
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#define NANOSECOND_PER_SECOND 1000000000UL
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#define MILLISECOND_PER_TICK (MILLISECOND_PER_SECOND / RT_TICK_PER_SECOND)
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#define MICROSECOND_PER_TICK (MICROSECOND_PER_SECOND / RT_TICK_PER_SECOND)
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#define NANOSECOND_PER_TICK (NANOSECOND_PER_SECOND / RT_TICK_PER_SECOND)
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#ifndef CLOCK_REALTIME
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#define CLOCK_REALTIME 0
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#endif
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int clock_getres (clockid_t clockid, struct timespec *res);
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int clock_gettime (clockid_t clockid, struct timespec *tp);
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int clock_settime (clockid_t clockid, const struct timespec *tp);
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#endif
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