UCVL Software Automation
97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
/*
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============================================================================
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Name : hev-task-cond.h
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Author : Heiher <r@hev.cc>
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Copyright : Copyright (c) 2019 everyone.
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Description : Condition
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============================================================================
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*/
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#ifndef __HEV_TASK_COND_H__
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#define __HEV_TASK_COND_H__
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#include "hev-task-mutex.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct _HevTaskCond HevTaskCond;
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typedef struct _HevTaskCondNode HevTaskCondNode;
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struct _HevTaskCond
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{
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HevTaskCondNode *waiters;
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};
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/**
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* hev_task_cond_init:
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* @self: a #HevTaskCond
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*
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* Initialize the task condition.
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*
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* Returns: When successful, returns zero. When an error occurs, returns -1.
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*
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* Since: 4.4
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*/
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int hev_task_cond_init (HevTaskCond *self);
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/**
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* hev_task_cond_wait:
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* @self: a #HevTaskCond
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* @mutex: a #HevTaskMutex
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*
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* Wait on the task condition.
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*
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* Returns: When successful, returns zero. When an error occurs, returns -1.
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*
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* Since: 4.4
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*/
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int hev_task_cond_wait (HevTaskCond *self, HevTaskMutex *mutex);
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/**
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* hev_task_cond_wait:
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* @self: a #HevTaskCond
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* @mutex: a #HevTaskMutex
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* @milliseconds: wait time
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*
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* The timedwait function shall be equivalent to condition wait, except that an
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* error is returned if the time specified by @milliseconds passes.
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*
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* Returns: When successful, returns zero. When an error occurs, returns -1.
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*
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* Since: 4.4
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*/
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int hev_task_cond_timedwait (HevTaskCond *self, HevTaskMutex *mutex,
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unsigned int milliseconds);
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/**
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* hev_task_cond_signal:
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* @self: a #HevTaskCond
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*
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* Wake one task that wait on condition.
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*
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* Returns: When successful, returns zero. When an error occurs, returns -1.
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*
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* Since: 4.4
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*/
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int hev_task_cond_signal (HevTaskCond *self);
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/**
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* hev_task_cond_broadcast:
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* @self: a #HevTaskCond
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*
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* Wake all task that wait on condition.
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*
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* Returns: When successful, returns zero. When an error occurs, returns -1.
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*
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* Since: 4.4
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*/
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int hev_task_cond_broadcast (HevTaskCond *self);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __HEV_TASK_MUTEX_H__ */
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