函数逻辑报告 |
Source Code:ipc\shm.c |
Create Date:2022-07-27 18:22:59 |
Last Modify:2020-03-17 22:58:32 | Copyright©Brick |
首页 | 函数Tree |
注解内核,赢得工具 | 下载SCCT | English |
函数名称:shmctl_stat
函数原型:static int shmctl_stat(struct ipc_namespace *ns, int shmid, int cmd, struct shmid64_ds *tbuf)
返回类型:int
参数:
类型 | 参数 | 名称 |
---|---|---|
struct ipc_namespace * | ns | |
int | shmid | |
int | cmd | |
struct shmid64_ds * | tbuf |
989 | 如果cmd恒等于pcs ctl commands 或cmd恒等于SHM_STAT_ANY则 |
995 | 否则 |
1010 | 如果cmd恒等于SHM_STAT_ANY则audit_ipc_obj( & shm_perm) |
1012 | 否则 |
1018 | err等于security_shm_shmctl( & shm_perm, cmd) |
1019 | 如果err则转到:out_unlock |
1022 | ipc_lock_object( & shm_perm) |
1031 | size of segment (bytes) 等于shm_segsz |
1032 | last attach time 等于shm_atim |
1033 | last detach time 等于shm_dtim |
1034 | last change time 等于shm_ctim |
1036 | shm_atime_high等于shm_atim右移32位 |
1037 | shm_dtime_high等于shm_dtim右移32位 |
1038 | shm_ctime_high等于shm_ctim右移32位 |
1040 | pid of creator 等于pid_vnr(shm_cprid) |
1041 | pid of last operator 等于pid_vnr(shm_lprid) |
1042 | . of current attaches 等于shm_nattch |
1044 | 如果cmd恒等于get ipc_perm options 则 |
1049 | err等于0 |
1050 | 否则 |
1058 | ipc_unlock_object( & shm_perm) |
1059 | out_unlock : |
1061 | 返回:err |
名称 | 描述 |
---|---|
ksys_shmctl | |
compat_ksys_shmctl |
源代码转换工具 开放的插件接口 | X |
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支持:c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现:逻辑报告 代码生成和批量转换代码 |