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7aff60b7de
haiku/headers/posix/pthread.h
Scott McCreary 0fae873352 Updated posix headers to remove commas from copyright line, to match the preferred coding guidelines. 
Cleaned up some header style violations, making sure there are two blank lines after the header guards.
This fixes the posix header part of #2191.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39288 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-11-03 21:46:47 +00:00

312 lines
10 KiB
C
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/*
* Copyright 2001-2010 Haiku Inc. All Rights Reserved.
* Distributed under the terms of the Haiku License.
*/
#ifndef _PTHREAD_H_
#define _PTHREAD_H_
#include <sched.h>
#include <stdint.h>
#include <time.h>
typedef struct _pthread_thread *pthread_t;
typedef struct _pthread_attr *pthread_attr_t;
typedef struct _pthread_mutex pthread_mutex_t;
typedef struct _pthread_mutexattr *pthread_mutexattr_t;
typedef struct _pthread_cond pthread_cond_t;
typedef struct _pthread_condattr *pthread_condattr_t;
typedef int pthread_key_t;
typedef struct _pthread_once pthread_once_t;
typedef struct _pthread_rwlock pthread_rwlock_t;
typedef struct _pthread_rwlockattr *pthread_rwlockattr_t;
typedef struct _pthread_spinlock pthread_spinlock_t;
/*
typedef struct _pthread_barrier *pthread_barrier_t;
typedef struct _pthread_barrierattr *pthread_barrierattr_t;
*/
struct _pthread_mutex {
uint32_t flags;
int32_t lock;
int32_t unused;
int32_t owner;
int32_t owner_count;
};
struct _pthread_cond {
uint32_t flags;
int32_t unused;
pthread_mutex_t *mutex;
int32_t waiter_count;
int32_t lock;
};
struct _pthread_once {
int32_t state;
};
struct _pthread_rwlock {
uint32_t flags;
int32_t owner;
union {
struct {
int32_t sem;
} shared;
struct {
int32_t lock_sem;
int32_t lock_count;
int32_t reader_count;
int32_t writer_count;
void* waiters[2];
} local;
};
};
struct _pthread_spinlock {
int32_t lock;
};
#define PTHREAD_MUTEX_DEFAULT 0
#define PTHREAD_MUTEX_NORMAL 1
#define PTHREAD_MUTEX_ERRORCHECK 2
#define PTHREAD_MUTEX_RECURSIVE 3
#define PTHREAD_PROCESS_PRIVATE 0
#define PTHREAD_PROCESS_SHARED 1
/*
* Flags for threads and thread attributes.
*/
#define PTHREAD_DETACHED 0x1
#define PTHREAD_SCOPE_SYSTEM 0x2
#define PTHREAD_INHERIT_SCHED 0x4
#define PTHREAD_NOFLOAT 0x8
#define PTHREAD_CREATE_DETACHED PTHREAD_DETACHED
#define PTHREAD_CREATE_JOINABLE 0
#define PTHREAD_SCOPE_PROCESS 0
#define PTHREAD_EXPLICIT_SCHED 0
/*
* Flags for cancelling threads
*/
#define PTHREAD_CANCEL_ENABLE 0
#define PTHREAD_CANCEL_DISABLE 1
#define PTHREAD_CANCEL_DEFERRED 0
#define PTHREAD_CANCEL_ASYNCHRONOUS 2
#define PTHREAD_CANCELED ((void *) 1)
#define PTHREAD_ONCE_INIT { -1 }
#define PTHREAD_BARRIER_SERIAL_THREAD -1
#define PTHREAD_PRIO_NONE 0
#define PTHREAD_PRIO_INHERIT 1
#define PTHREAD_PRIO_PROTECT 2
/* private structure */
struct __pthread_cleanup_handler {
struct __pthread_cleanup_handler *previous;
void (*function)(void *argument);
void *argument;
};
#define pthread_cleanup_push(func, arg) \
do { \
struct __pthread_cleanup_handler __handler; \
__handler.function = (func); \
__handler.argument = (arg); \
__pthread_cleanup_push_handler(&__handler);
#define pthread_cleanup_pop(execute) \
if (execute) \
__handler.function(__handler.argument); \
__pthread_cleanup_pop_handler(); \
} while (0)
#ifdef __cplusplus
extern "C" {
#endif
#define PTHREAD_MUTEX_INITIALIZER \
{ PTHREAD_MUTEX_DEFAULT, 0, -42, -1, 0 }
#define PTHREAD_RECURSIVE_MUTEX_INITIALIZER \
{ PTHREAD_MUTEX_RECURSIVE, 0, -42, -1, 0 }
#define PTHREAD_COND_INITIALIZER \
{ 0, -42, NULL, 0, 0 }
/* mutex functions */
extern int pthread_mutex_destroy(pthread_mutex_t *mutex);
extern int pthread_mutex_getprioceiling(pthread_mutex_t *mutex,
int *_priorityCeiling);
extern int pthread_mutex_init(pthread_mutex_t *mutex,
const pthread_mutexattr_t *attr);
extern int pthread_mutex_lock(pthread_mutex_t *mutex);
extern int pthread_mutex_setprioceiling(pthread_mutex_t *mutex,
int newPriorityCeiling, int *_oldPriorityCeiling);
extern int pthread_mutex_timedlock(pthread_mutex_t *mutex,
const struct timespec *spec);
extern int pthread_mutex_trylock(pthread_mutex_t *mutex);
extern int pthread_mutex_unlock(pthread_mutex_t *mutex);
/* mutex attribute functions */
extern int pthread_mutexattr_destroy(pthread_mutexattr_t *mutexAttr);
extern int pthread_mutexattr_getprioceiling(pthread_mutexattr_t *mutexAttr,
int *_priorityCeiling);
extern int pthread_mutexattr_getprotocol(pthread_mutexattr_t *mutexAttr,
int *_protocol);
extern int pthread_mutexattr_getpshared(pthread_mutexattr_t *mutexAttr,
int *_processShared);
extern int pthread_mutexattr_gettype(pthread_mutexattr_t *mutexAttr,
int *_type);
extern int pthread_mutexattr_init(pthread_mutexattr_t *mutexAttr);
extern int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *mutexAttr,
int priorityCeiling);
extern int pthread_mutexattr_setprotocol(pthread_mutexattr_t *mutexAttr,
int protocol);
extern int pthread_mutexattr_setpshared(pthread_mutexattr_t *mutexAttr,
int processShared);
extern int pthread_mutexattr_settype(pthread_mutexattr_t *mutexAttr, int type);
/* condition variable functions */
extern int pthread_cond_destroy(pthread_cond_t *cond);
extern int pthread_cond_init(pthread_cond_t *cond,
const pthread_condattr_t *attr);
extern int pthread_cond_broadcast(pthread_cond_t *cond);
extern int pthread_cond_signal(pthread_cond_t *cond);
extern int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
const struct timespec *abstime);
extern int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex);
/* condition variable attribute functions */
extern int pthread_condattr_destroy(pthread_condattr_t *condAttr);
extern int pthread_condattr_init(pthread_condattr_t *condAttr);
extern int pthread_condattr_getpshared(const pthread_condattr_t *condAttr,
int *processShared);
extern int pthread_condattr_setpshared(pthread_condattr_t *condAttr,
int processShared);
/* rwlock functions */
extern int pthread_rwlock_init(pthread_rwlock_t *lock,
const pthread_rwlockattr_t *attr);
extern int pthread_rwlock_destroy(pthread_rwlock_t *lock);
extern int pthread_rwlock_rdlock(pthread_rwlock_t *lock);
extern int pthread_rwlock_tryrdlock(pthread_rwlock_t *lock);
extern int pthread_rwlock_timedrdlock(pthread_rwlock_t *lock,
const struct timespec *timeout);
extern int pthread_rwlock_wrlock(pthread_rwlock_t *lock);
extern int pthread_rwlock_trywrlock(pthread_rwlock_t *lock);
extern int pthread_rwlock_timedwrlock(pthread_rwlock_t *lock,
const struct timespec *timeout);
extern int pthread_rwlock_unlock(pthread_rwlock_t *lock);
/* rwlock attribute functions */
extern int pthread_rwlockattr_init(pthread_rwlockattr_t *attr);
extern int pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr);
extern int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *attr,
int *shared);
extern int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *attr,
int shared);
/* spinlock functions */
extern int pthread_spin_init(pthread_spinlock_t* spinlock, int pshared);
extern int pthread_spin_destroy(pthread_spinlock_t* spinlock);
extern int pthread_spin_lock(pthread_spinlock_t* spinlock);
extern int pthread_spin_trylock(pthread_spinlock_t* spinlock);
extern int pthread_spin_unlock(pthread_spinlock_t* spinlock);
/* misc. functions */
extern int pthread_atfork(void (*prepare)(void), void (*parent)(void),
void (*child)(void));
extern int pthread_once(pthread_once_t *once_control,
void (*init_routine)(void));
/* thread attributes functions */
extern int pthread_attr_destroy(pthread_attr_t *attr);
extern int pthread_attr_init(pthread_attr_t *attr);
extern int pthread_attr_getdetachstate(const pthread_attr_t *attr,
int *detachstate);
extern int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate);
extern int pthread_attr_getstacksize(const pthread_attr_t *attr,
size_t *stacksize);
extern int pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize);
extern int pthread_attr_getscope(const pthread_attr_t *attr,
int *contentionScope);
extern int pthread_attr_setscope(pthread_attr_t *attr, int contentionScope);
extern int pthread_attr_getschedparam(const pthread_attr_t *attr,
struct sched_param *param);
extern int pthread_attr_setschedparam(pthread_attr_t *attr,
const struct sched_param *param);
#if 0 /* Unimplemented attribute functions: */
/* [TPS] */
extern int pthread_attr_getinheritsched(const pthread_attr_t *attr,
int *inheritsched);
extern int pthread_attr_setinheritsched(pthread_attr_t *attr, int inheritsched);
extern int pthread_attr_getschedpolicy(const pthread_attr_t *attr,
int *policy);
extern int pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy);
/* [XSI] */
extern int pthread_attr_getguardsize(const pthread_attr_t *attr,
size_t *guardsize);
extern int pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize);
/* [TSA] */
extern int pthread_attr_getstackaddr(const pthread_attr_t *attr,
void **stackaddr);
extern int pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr);
/* [TSA TSS] */
extern int pthread_attr_getstack(const pthread_attr_t *attr,
void **stackaddr, size_t *stacksize);
extern int pthread_attr_setstack(pthread_attr_t *attr, void *stackaddr, size_t stacksize);
#endif /* 0 */
/* thread functions */
extern int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
void *(*start_routine)(void*), void *arg);
extern int pthread_detach(pthread_t thread);
extern int pthread_equal(pthread_t t1, pthread_t t2);
extern void pthread_exit(void *value_ptr);
extern int pthread_join(pthread_t thread, void **_value);
extern pthread_t pthread_self(void);
extern int pthread_kill(pthread_t thread, int sig);
extern int pthread_getconcurrency(void);
extern int pthread_setconcurrency(int newLevel);
extern int pthread_cancel(pthread_t thread);
extern int pthread_setcancelstate(int state, int *_oldState);
extern int pthread_setcanceltype(int type, int *_oldType);
extern void pthread_testcancel(void);
extern int pthread_getschedparam(pthread_t thread, int *policy,
struct sched_param *param);
extern int pthread_setschedparam(pthread_t thread, int policy,
const struct sched_param *param);
/* thread specific data functions */
extern int pthread_key_create(pthread_key_t *key,
void (*destructorFunc)(void*));
extern int pthread_key_delete(pthread_key_t key);
extern void *pthread_getspecific(pthread_key_t key);
extern int pthread_setspecific(pthread_key_t key, const void *value);
/* private functions */
extern void __pthread_cleanup_push_handler(
struct __pthread_cleanup_handler *handler);
extern struct __pthread_cleanup_handler *__pthread_cleanup_pop_handler(void);
#ifdef __cplusplus
}
#endif
#endif /* _PTHREAD_ */
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