sem.h 文件参考

操作系统抽象层：信号量 更多...

#include <xwos/standard.h>
#include <xwos/osal/jack/sync/sem.h>
#include <xwos/osal/time.h>
#include <xwos/osal/sync/sel.h>

sem.h 的引用(Include)关系图:

此图展示该文件直接或间接的被哪些文件引用了:

浏览源代码.

结构体
struct	xwos_sem
	XWOS API：信号量对象 更多...
struct	xwos_sem_d
	XWOS API：信号量对象描述符 更多...

宏定义
#define	XWOS_SEM_NILD   ((xwos_sem_d){NULL, 0,})
	XWOS API：空的信号量对象描述符

函数
static xwer_t	xwos_sem_init (struct xwos_sem *sem, xwssq_t val, xwssq_t max)
	XWOS API：静态方式初始化信号量对象
static xwer_t	xwos_sem_fini (struct xwos_sem *sem)
	XWOS API：销毁静态方式初始化的信号量对象
static xwer_t	xwos_sem_grab (struct xwos_sem *sem)
	XWOS API：增加信号量对象的引用计数
static xwer_t	xwos_sem_put (struct xwos_sem *sem)
	XWOS API：减少信号量对象的引用计数
static xwer_t	xwos_sem_create (xwos_sem_d *semd, xwssq_t val, xwssq_t max)
	XWOS API：动态方式创建信号量对象
static xwer_t	xwos_sem_delete (xwos_sem_d semd)
	XWOS API：删除动态方式创建的信号量对象
static xwer_t	xwos_sem_acquire (xwos_sem_d semd)
	XWOS API：检查信号量对象的标签并增加引用计数
static xwer_t	xwos_sem_release (xwos_sem_d semd)
	XWOS API：检查对象的标签并减少引用计数
static xwsq_t	xwos_sem_get_tik (struct xwos_sem *sem)
	XWOS API：获取信号量对象的标签
static xwos_sem_d	xwos_sem_get_d (struct xwos_sem *sem)
	XWOS API：获取信号量对象描述符
static xwer_t	xwos_sem_bind (struct xwos_sem *sem, struct xwos_sel *sel, xwsq_t pos)
	XWOS API：绑定信号量对象到信号选择器
static xwer_t	xwos_sem_unbind (struct xwos_sem *sem, struct xwos_sel *sel)
	XWOS API：从信号选择器上解绑信号量对象
static xwer_t	xwos_sem_freeze (struct xwos_sem *sem)
	XWOS API：冻结信号量对象
static xwer_t	xwos_sem_thaw (struct xwos_sem *sem)
	XWOS API：解冻信号量对象
static xwer_t	xwos_sem_post (struct xwos_sem *sem)
	XWOS API：发布信号量
static xwer_t	xwos_sem_wait (struct xwos_sem *sem)
	XWOS API：等待并获取信号量
static xwer_t	xwos_sem_wait_to (struct xwos_sem *sem, xwtm_t to)
	XWOS API：限时等待并获取信号量
static xwer_t	xwos_sem_wait_unintr (struct xwos_sem *sem)
	XWOS API：等待并获取信号量，且等待不可被中断
static xwer_t	xwos_sem_trywait (struct xwos_sem *sem)
	XWOS API：尝试获取信号量
static xwer_t	xwos_sem_get_max (struct xwos_sem *sem, xwssq_t *max)
	XWOS API：获取信号量对象计数器的最大值
static xwer_t	xwos_sem_get_value (struct xwos_sem *sem, xwssq_t *val)
	XWOS API：获取信号量对象计数器的值

详细描述

操作系统抽象层：信号量

作者

• 隐星魂 (Roy Sun) xwos@.nosp@m.xwos.nosp@m..tech

版权所有

• Copyright © 2015 xwos.tech, All Rights Reserved.

  ‍This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.

在文件 sem.h 中定义.