DragonOS/kernel/common/completion.h
guanjinquan 09f8d6f577
添加completion模块+wait_queue_head模块+schedule_timeout (#70)
* 添加completion模块+wait_queue_head模块+schedule_timeout

* 修复一些bug

* 实现设置pcb名字和vsnprintf (#72)

* 实现pcb设置名字

* 实现设置pcb名字,实现vsnprintf

* 修改set_pcb_name和va_end

* bugfix: 修正一些小问题

Co-authored-by: longjin <longjin@RinGoTek.cn>

* new: FAT32删除文件的功能 (#73)

* new: 将sys_rmdir更改为sys_unlink,.且完成删除文件操作的vfs部分

* new: fat32删除文件

*bugfix: 解决创建文件时的bug

* new: 将可执行文件移动到bin目录下

* 完善completion和wait_queue_head文档,并确保测试ok。

Co-authored-by: longjin <longjin@RinGoTek.cn>
Co-authored-by: houmkh <100781004+houmkh@users.noreply.github.com>
2022-11-03 21:54:59 +08:00

47 lines
1.3 KiB
C

#include <common/spinlock.h>
#include <common/wait_queue_head.h>
#include <process/process.h>
#include <time/sleep.h>
#include <time/timer.h>
// 永久地设置该completion已经被完成,不会再有进程等待
#define COMPLETE_ALL UINT32_MAX
struct completion
{
unsigned int done;
wait_queue_head_t wait_queue;
};
#define DECLARE_COMPLETION_ON_STACK(name) \
struct completion name = {0}; \
completion_init(&name);
/**
* 对外函数声明
*/
void completion_init(struct completion *x);
void complete(struct completion *x);
void complete_all(struct completion *x);
void wait_for_completion(struct completion *x);
long wait_for_completion_timeout(struct completion *x, long timeout);
void wait_for_completion_interruptible(struct completion *x);
long wait_for_completion_interruptible_timeout(struct completion *x, long timeout);
void wait_for_multicompletion(struct completion x[], int n);
bool try_wait_for_completion(struct completion *x);
bool completion_done(struct completion *x);
/**
* 测试函数声明 (测试代码辅助函数)
*/
struct __test_data
{
int id;
struct completion *one_to_one;
struct completion *one_to_many;
struct completion *many_to_one;
};
int __test_completion_waiter(void *data); // 等待者
int __test_completion_worker(void *data); // 执行者
void __test_completion();