297 lines
10 KiB
C
297 lines
10 KiB
C
|
/*
|
||
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
||
|
*
|
||
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
*
|
||
|
* Change Logs:
|
||
|
* Date Author Notes
|
||
|
* 2010-10-26 Bernard the first version
|
||
|
*/
|
||
|
|
||
|
#ifndef __PTHREAD_H__
|
||
|
#define __PTHREAD_H__
|
||
|
|
||
|
#include <rtthread.h>
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
extern "C" {
|
||
|
#endif
|
||
|
|
||
|
#include <posix_types.h>
|
||
|
#include <sched.h>
|
||
|
|
||
|
#define PTHREAD_KEY_MAX 8
|
||
|
|
||
|
#define PTHREAD_COND_INITIALIZER {-1}
|
||
|
#define PTHREAD_RWLOCK_INITIALIZER {-1}
|
||
|
#define PTHREAD_MUTEX_INITIALIZER {-1}
|
||
|
|
||
|
#define PTHREAD_CREATE_JOINABLE 0x00
|
||
|
#define PTHREAD_CREATE_DETACHED 0x01
|
||
|
|
||
|
#define PTHREAD_EXPLICIT_SCHED 0
|
||
|
#define PTHREAD_INHERIT_SCHED 1
|
||
|
|
||
|
typedef long pthread_t;
|
||
|
typedef long pthread_condattr_t;
|
||
|
typedef long pthread_rwlockattr_t;
|
||
|
typedef long pthread_mutexattr_t;
|
||
|
typedef long pthread_barrierattr_t;
|
||
|
|
||
|
typedef int pthread_key_t;
|
||
|
typedef int pthread_once_t;
|
||
|
|
||
|
enum
|
||
|
{
|
||
|
PTHREAD_CANCEL_ASYNCHRONOUS = 0,
|
||
|
PTHREAD_CANCEL_ENABLE,
|
||
|
PTHREAD_CANCEL_DEFERRED,
|
||
|
PTHREAD_CANCEL_DISABLE,
|
||
|
PTHREAD_CANCELED
|
||
|
};
|
||
|
|
||
|
enum
|
||
|
{
|
||
|
PTHREAD_MUTEX_NORMAL = 0,
|
||
|
PTHREAD_MUTEX_RECURSIVE = 1,
|
||
|
PTHREAD_MUTEX_ERRORCHECK = 2,
|
||
|
PTHREAD_MUTEX_ERRORCHECK_NP = PTHREAD_MUTEX_ERRORCHECK,
|
||
|
PTHREAD_MUTEX_RECURSIVE_NP = PTHREAD_MUTEX_RECURSIVE,
|
||
|
PTHREAD_MUTEX_DEFAULT = PTHREAD_MUTEX_NORMAL
|
||
|
};
|
||
|
|
||
|
/* init value for pthread_once_t */
|
||
|
#define PTHREAD_ONCE_INIT 0
|
||
|
|
||
|
enum
|
||
|
{
|
||
|
PTHREAD_PRIO_INHERIT =0,
|
||
|
PTHREAD_PRIO_NONE,
|
||
|
PTHREAD_PRIO_PROTECT,
|
||
|
};
|
||
|
|
||
|
#define PTHREAD_PROCESS_PRIVATE 0
|
||
|
#define PTHREAD_PROCESS_SHARED 1
|
||
|
|
||
|
#define PTHREAD_SCOPE_PROCESS 0
|
||
|
#define PTHREAD_SCOPE_SYSTEM 1
|
||
|
|
||
|
struct sched_param
|
||
|
{
|
||
|
int sched_priority;
|
||
|
};
|
||
|
|
||
|
struct pthread_attr
|
||
|
{
|
||
|
void* stackaddr; /* stack address of thread */
|
||
|
int stacksize; /* stack size of thread */
|
||
|
|
||
|
int inheritsched; /* Inherit parent prio/policy */
|
||
|
int schedpolicy; /* scheduler policy */
|
||
|
struct sched_param schedparam; /* sched parameter */
|
||
|
|
||
|
int detachstate; /* detach state */
|
||
|
};
|
||
|
typedef struct pthread_attr pthread_attr_t;
|
||
|
|
||
|
struct pthread_mutex
|
||
|
{
|
||
|
pthread_mutexattr_t attr;
|
||
|
struct rt_mutex lock;
|
||
|
};
|
||
|
typedef struct pthread_mutex pthread_mutex_t;
|
||
|
|
||
|
struct pthread_cond
|
||
|
{
|
||
|
pthread_condattr_t attr;
|
||
|
struct rt_semaphore sem;
|
||
|
};
|
||
|
typedef struct pthread_cond pthread_cond_t;
|
||
|
|
||
|
struct pthread_rwlock
|
||
|
{
|
||
|
pthread_rwlockattr_t attr;
|
||
|
|
||
|
pthread_mutex_t rw_mutex; /* basic lock on this struct */
|
||
|
pthread_cond_t rw_condreaders; /* for reader threads waiting */
|
||
|
pthread_cond_t rw_condwriters; /* for writer threads waiting */
|
||
|
|
||
|
int rw_nwaitreaders; /* the number of reader threads waiting */
|
||
|
int rw_nwaitwriters; /* the number of writer threads waiting */
|
||
|
int rw_refcount; /* 0: unlocked, -1: locked by writer, > 0 locked by n readers */
|
||
|
};
|
||
|
typedef struct pthread_rwlock pthread_rwlock_t;
|
||
|
|
||
|
/* spinlock implementation, (ADVANCED REALTIME THREADS)*/
|
||
|
struct pthread_spinlock
|
||
|
{
|
||
|
int lock;
|
||
|
};
|
||
|
typedef struct pthread_spinlock pthread_spinlock_t;
|
||
|
|
||
|
struct pthread_barrier
|
||
|
{
|
||
|
int count;
|
||
|
pthread_cond_t cond;
|
||
|
pthread_mutex_t mutex;
|
||
|
};
|
||
|
typedef struct pthread_barrier pthread_barrier_t;
|
||
|
|
||
|
/* pthread thread interface */
|
||
|
int pthread_attr_destroy(pthread_attr_t *attr);
|
||
|
int pthread_attr_init(pthread_attr_t *attr);
|
||
|
int pthread_attr_setdetachstate(pthread_attr_t *attr, int state);
|
||
|
int pthread_attr_getdetachstate(pthread_attr_t const *attr, int *state);
|
||
|
int pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy);
|
||
|
int pthread_attr_getschedpolicy(pthread_attr_t const *attr, int *policy);
|
||
|
int pthread_attr_setschedparam(pthread_attr_t *attr,struct sched_param const *param);
|
||
|
int pthread_attr_getschedparam(pthread_attr_t const *attr,struct sched_param *param);
|
||
|
int pthread_attr_setstacksize(pthread_attr_t *attr, size_t stack_size);
|
||
|
int pthread_attr_getstacksize(pthread_attr_t const *attr, size_t *stack_size);
|
||
|
int pthread_attr_setstackaddr(pthread_attr_t *attr, void *stack_addr);
|
||
|
int pthread_attr_getstackaddr(pthread_attr_t const *attr, void **stack_addr);
|
||
|
int pthread_attr_setstack(pthread_attr_t *attr,
|
||
|
void *stack_base,
|
||
|
size_t stack_size);
|
||
|
int pthread_attr_getstack(pthread_attr_t const *attr,
|
||
|
void **stack_base,
|
||
|
size_t *stack_size);
|
||
|
int pthread_attr_setguardsize(pthread_attr_t *attr, size_t guard_size);
|
||
|
int pthread_attr_getguardsize(pthread_attr_t const *attr, size_t *guard_size);
|
||
|
int pthread_attr_setinheritsched(pthread_attr_t *attr, int inheritsched);
|
||
|
int pthread_attr_getinheritsched(const pthread_attr_t *attr, int *inheritsched);
|
||
|
int pthread_attr_setscope(pthread_attr_t *attr, int scope);
|
||
|
int pthread_attr_getscope(pthread_attr_t const *attr, int *scope);
|
||
|
int pthread_create (pthread_t *tid, const pthread_attr_t *attr,
|
||
|
void *(*start) (void *), void *arg);
|
||
|
|
||
|
int pthread_detach (pthread_t thread);
|
||
|
int pthread_join (pthread_t thread, void **value_ptr);
|
||
|
|
||
|
rt_inline int pthread_equal (pthread_t t1, pthread_t t2)
|
||
|
{
|
||
|
return t1 == t2;
|
||
|
}
|
||
|
|
||
|
pthread_t pthread_self (void);
|
||
|
|
||
|
int pthread_getcpuclockid(pthread_t thread, clockid_t *clock_id);
|
||
|
int pthread_getconcurrency(void);
|
||
|
int pthread_setconcurrency(int new_level);
|
||
|
int pthread_getschedparam(pthread_t thread, int *policy, struct sched_param *param);
|
||
|
int pthread_setschedparam(pthread_t thread, int policy, const struct sched_param *param);
|
||
|
int pthread_setschedprio(pthread_t thread, int prio);
|
||
|
|
||
|
void pthread_exit (void *value_ptr);
|
||
|
int pthread_once(pthread_once_t * once_control, void (*init_routine) (void));
|
||
|
|
||
|
#ifdef RT_USING_SIGNALS
|
||
|
int pthread_sigmask(int how, const sigset_t *set, sigset_t *oset);
|
||
|
#endif
|
||
|
|
||
|
/* pthread cleanup */
|
||
|
void pthread_cleanup_pop(int execute);
|
||
|
void pthread_cleanup_push(void (*routine)(void*), void *arg);
|
||
|
|
||
|
/* pthread cancel */
|
||
|
int pthread_cancel(pthread_t thread);
|
||
|
void pthread_testcancel(void);
|
||
|
int pthread_setcancelstate(int state, int *oldstate);
|
||
|
int pthread_setcanceltype(int type, int *oldtype);
|
||
|
|
||
|
int pthread_atfork(void (*prepare)(void), void (*parent)(void), void (*child)(void));
|
||
|
int pthread_kill(pthread_t thread, int sig);
|
||
|
|
||
|
/* pthread mutex interface */
|
||
|
int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr);
|
||
|
int pthread_mutex_destroy(pthread_mutex_t *mutex);
|
||
|
int pthread_mutex_lock(pthread_mutex_t *mutex);
|
||
|
int pthread_mutex_unlock(pthread_mutex_t *mutex);
|
||
|
int pthread_mutex_trylock(pthread_mutex_t *mutex);
|
||
|
int pthread_mutex_getprioceiling(const pthread_mutex_t *mutex, int *prioceiling);
|
||
|
int pthread_mutex_setprioceiling(pthread_mutex_t *mutex, int prioceiling, int *old_ceiling);
|
||
|
|
||
|
int pthread_mutexattr_init(pthread_mutexattr_t *attr);
|
||
|
int pthread_mutexattr_destroy(pthread_mutexattr_t *attr);
|
||
|
int pthread_mutexattr_gettype(const pthread_mutexattr_t *attr, int *type);
|
||
|
int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type);
|
||
|
int pthread_mutexattr_setpshared(pthread_mutexattr_t *attr, int pshared);
|
||
|
int pthread_mutexattr_getpshared(pthread_mutexattr_t *attr, int *pshared);
|
||
|
int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *attr, int *prioceiling);
|
||
|
int pthread_mutexattr_setprioceiling(const pthread_mutexattr_t *attr, int prioceiling);
|
||
|
int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *attr, int *protocol);
|
||
|
int pthread_mutexattr_setprotocol(const pthread_mutexattr_t *attr, int protocol);
|
||
|
|
||
|
|
||
|
/* pthread condition interface */
|
||
|
int pthread_condattr_destroy(pthread_condattr_t *attr);
|
||
|
int pthread_condattr_init(pthread_condattr_t *attr);
|
||
|
|
||
|
/* ADVANCED REALTIME feature in IEEE Std 1003.1, 2004 Edition */
|
||
|
int pthread_condattr_getclock(const pthread_condattr_t *attr,
|
||
|
clockid_t *clock_id);
|
||
|
int pthread_condattr_setclock(pthread_condattr_t *attr,
|
||
|
clockid_t clock_id);
|
||
|
|
||
|
int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr);
|
||
|
int pthread_cond_destroy(pthread_cond_t *cond);
|
||
|
int pthread_cond_broadcast(pthread_cond_t *cond);
|
||
|
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);
|
||
|
|
||
|
/* pthread rwlock interface */
|
||
|
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);
|
||
|
|
||
|
int pthread_rwlock_init (pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *attr);
|
||
|
int pthread_rwlock_destroy (pthread_rwlock_t *rwlock);
|
||
|
|
||
|
int pthread_rwlock_rdlock (pthread_rwlock_t *rwlock);
|
||
|
int pthread_rwlock_tryrdlock (pthread_rwlock_t *rwlock);
|
||
|
|
||
|
int pthread_rwlock_timedrdlock (pthread_rwlock_t *rwlock, const struct timespec *abstime);
|
||
|
int pthread_rwlock_timedwrlock (pthread_rwlock_t *rwlock, const struct timespec *abstime);
|
||
|
|
||
|
int pthread_rwlock_unlock (pthread_rwlock_t *rwlock);
|
||
|
|
||
|
int pthread_rwlock_wrlock (pthread_rwlock_t *rwlock);
|
||
|
int pthread_rwlock_trywrlock (pthread_rwlock_t *rwlock);
|
||
|
|
||
|
/* pthread spinlock interface */
|
||
|
int pthread_spin_init (pthread_spinlock_t *lock, int pshared);
|
||
|
int pthread_spin_destroy (pthread_spinlock_t *lock);
|
||
|
|
||
|
int pthread_spin_lock (pthread_spinlock_t * lock);
|
||
|
int pthread_spin_trylock (pthread_spinlock_t * lock);
|
||
|
int pthread_spin_unlock (pthread_spinlock_t * lock);
|
||
|
|
||
|
/* pthread barrier interface */
|
||
|
int pthread_barrierattr_destroy(pthread_barrierattr_t *attr);
|
||
|
int pthread_barrierattr_init(pthread_barrierattr_t *attr);
|
||
|
int pthread_barrierattr_getpshared(const pthread_barrierattr_t *attr, int *pshared);
|
||
|
int pthread_barrierattr_setpshared(pthread_barrierattr_t *attr, int pshared);
|
||
|
|
||
|
int pthread_barrier_destroy(pthread_barrier_t *barrier);
|
||
|
int pthread_barrier_init(pthread_barrier_t *barrier,
|
||
|
const pthread_barrierattr_t *attr,
|
||
|
unsigned count);
|
||
|
|
||
|
int pthread_barrier_wait(pthread_barrier_t *barrier);
|
||
|
|
||
|
int pthread_setspecific(pthread_key_t key, const void *value);
|
||
|
void *pthread_getspecific(pthread_key_t key);
|
||
|
int pthread_key_create(pthread_key_t *key, void (*destructor)(void *));
|
||
|
int pthread_key_delete(pthread_key_t key);
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
#endif
|