更新日期: 2022/06/01 来源: https://gitee.com/weharmony/kernel_liteos_a_note
los_process.h
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1/*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _LOS_PROCESS_H
33#define _LOS_PROCESS_H
34
35#include "los_task.h"
36#include <signal.h>
37
38#ifdef LOSCFG_FS_VFS
39#include "fs/fd_table.h"
40#endif
41
42#ifdef __cplusplus
43#if __cplusplus
44 extern "C" {
45#endif /* __cplusplus */
46#endif /* __cplusplus */
47
48extern INT32 LOS_Fork(UINT32 flags, const CHAR *name, const TSK_ENTRY_FUNC entry, UINT32 stackSize);
49
51
53
55
56extern INT32 LOS_SetProcessScheduler(INT32 pid, UINT16 policy, UINT16 prio);
57
58extern UINT32 LOS_GetCurrProcessID(VOID);
59
60extern INT32 LOS_Wait(INT32 pid, USER INT32 *status, UINT32 options, VOID *rusage);
61
62extern INT32 LOS_Waitid(INT32 pid, USER siginfo_t *info, UINT32 options, VOID *rusage);
63
65
67
68extern VOID LOS_Exit(INT32 status);
69
71
72#ifdef LOSCFG_SECURITY_CAPABILITY
73extern BOOL LOS_CheckInGroups(UINT32 gid);
74#endif
75extern INT32 LOS_GetUserID(VOID);
76extern INT32 LOS_GetGroupID(VOID);
77
78extern INT32 LOS_GetUsedPIDList(UINT32 *pidList, INT32 pidMaxNum);
79
80#ifdef LOSCFG_FS_VFS
82#endif
83
84#ifdef __cplusplus
85#if __cplusplus
86}
87#endif /* __cplusplus */
88#endif /* __cplusplus */
89
90#endif
macro EXC_SP_SET stackSize
Definition: asm.h:50
VOID *(* TSK_ENTRY_FUNC)(UINTPTR param1, UINTPTR param2, UINTPTR param3, UINTPTR param4)
Define the type of a task entrance function.
Definition: los_task.h:480
LITE_OS_SEC_TEXT INT32 LOS_Fork(UINT32 flags, const CHAR *name, const TSK_ENTRY_FUNC entry, UINT32 stackSize)
Definition: los_process.c:2060
UINT32 LOS_GetCurrProcessID(VOID)
获取当前进程的进程ID
Definition: los_process.c:2161
INT32 LOS_GetCurrProcessGroupID(VOID)
获取当前进程的组ID
Definition: los_process.c:1485
INT32 LOS_Waitid(INT32 pid, USER siginfo_t *info, UINT32 options, VOID *rusage)
Definition: los_process.c:1350
INT32 LOS_SetProcessPriority(INT32 pid, UINT16 prio)
接口封装 - 设置进程优先级
Definition: los_process.c:1050
BOOL LOS_CheckInGroups(UINT32 gid)
Definition: los_process.c:805
INT32 LOS_GetUsedPIDList(UINT32 *pidList, INT32 pidMaxNum)
LOS_GetUsedPIDList 获取使用中的进程列表
Definition: los_process.c:2115
INT32 LOS_Wait(INT32 pid, USER INT32 *status, UINT32 options, VOID *rusage)
Definition: los_process.c:1313
INT32 LOS_GetProcessPriority(INT32 pid)
接口封装 - 获取指定进程优先级
Definition: los_process.c:1083
INT32 LOS_GetUserID(VOID)
Definition: los_process.c:826
struct fd_table_s * LOS_GetFdTable(UINT32 pid)
Definition: los_process.c:2143
INT32 LOS_GetProcessScheduler(INT32 pid)
获得指定进程的调度策略
Definition: los_process.c:1030
UINT32 LOS_GetSystemProcessMaximum(VOID)
获取系统支持的最大进程数目
Definition: los_process.c:2239
VOID LOS_Exit(INT32 status)
LOS_Exit 进程退出
Definition: los_process.c:2086
INT32 LOS_GetProcessGroupID(UINT32 pid)
Definition: los_process.c:1461
INT32 LOS_SetProcessScheduler(INT32 pid, UINT16 policy, UINT16 prio)
设置指定进程的调度参数,包括优先级和调度策略
Definition: los_process.c:1025
INT32 LOS_GetGroupID(VOID)
Definition: los_process.c:842
unsigned short UINT16
Definition: los_typedef.h:56
signed int INT32
Definition: los_typedef.h:60
unsigned int UINT32
Definition: los_typedef.h:57
char CHAR
Definition: los_typedef.h:63
size_t BOOL
Definition: los_typedef.h:88
进程fd表结构体
Definition: fd_table.h:84