293 lines
10 KiB
C
293 lines
10 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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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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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <posix_types.h>
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#include <sched.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 long 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 sched_param
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{
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int sched_priority;
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};
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struct pthread_attr
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{
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void* stackaddr; /* stack address of thread */
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int stacksize; /* stack size of thread */
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int inheritsched; /* Inherit parent prio/policy */
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int schedpolicy; /* scheduler policy */
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struct sched_param schedparam; /* sched parameter */
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int detachstate; /* detach state */
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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_setschedparam(pthread_attr_t *attr,struct sched_param const *param);
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int pthread_attr_getschedparam(pthread_attr_t const *attr,struct sched_param *param);
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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_attr_setguardsize(pthread_attr_t *attr, size_t guard_size);
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int pthread_attr_getguardsize(pthread_attr_t const *attr, size_t *guard_size);
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int pthread_attr_setinheritsched(pthread_attr_t *attr, int inheritsched);
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int pthread_attr_getinheritsched(const pthread_attr_t *attr, int *inheritsched);
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int pthread_attr_setscope(pthread_attr_t *attr, int scope);
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int pthread_attr_getscope(pthread_attr_t const *attr, int *scope);
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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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pthread_t pthread_self (void);
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int pthread_getcpuclockid(pthread_t thread, clockid_t *clock_id);
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int pthread_getconcurrency(void);
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int pthread_setconcurrency(int new_level);
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int pthread_getschedparam(pthread_t thread, int *policy, struct sched_param *param);
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int pthread_setschedparam(pthread_t thread, int policy, const struct sched_param *param);
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int pthread_setschedprio(pthread_t thread, int prio);
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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_mutex_getprioceiling(const pthread_mutex_t *mutex, int *prioceiling);
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int pthread_mutex_setprioceiling(pthread_mutex_t *mutex, int prioceiling, int *old_ceiling);
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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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int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *attr, int *prioceiling);
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int pthread_mutexattr_setprioceiling(const pthread_mutexattr_t *attr, int prioceiling);
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int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *attr, int *protocol);
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int pthread_mutexattr_setprotocol(const pthread_mutexattr_t *attr, int protocol);
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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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int pthread_setspecific(pthread_key_t key, const void *value);
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void *pthread_getspecific(pthread_key_t key);
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int pthread_key_create(pthread_key_t *key, void (*destructor)(void *));
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int pthread_key_delete(pthread_key_t key);
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#ifdef __cplusplus
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}
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#endif
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#endif
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