Function report |
Source Code:ipc\msg.c |
Create Date:2022-07-28 16:41:46 |
Last Modify:2020-03-17 22:56:56 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:msgctl_stat
Proto:static int msgctl_stat(struct ipc_namespace *ns, int msqid, int cmd, struct msqid64_ds *p)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct ipc_namespace * | ns | |
int | msqid | |
int | cmd | |
struct msqid64_ds * | p |
500 | If cmd == pcs ctl commands || cmd == MSG_STAT_ANY Then |
501 | msq = msq_obtain_object(ns, msqid) |
504 | Go to out_unlock |
506 | Else |
507 | msq = msq_obtain_object_check(ns, msqid) |
510 | Go to out_unlock |
515 | If cmd == MSG_STAT_ANY Then audit_ipc_obj( & q_perm) |
517 | Else |
523 | err = security_msg_queue_msgctl( & q_perm, cmd) |
524 | If err Then Go to out_unlock |
527 | ipc_lock_object( & q_perm) |
540 | msg_stime_high = last msgsnd time >> 32 |
541 | msg_rtime_high = last msgrcv time >> 32 |
542 | msg_ctime_high = last change time >> 32 |
548 | last receive pid = pid_vnr(last receive pid ) |
550 | If cmd == get ipc_perm options Then |
555 | err = 0 |
556 | Else |
564 | ipc_unlock_object( & q_perm) |
565 | out_unlock : |
567 | Return err |
Name | Describe |
---|---|
ksys_msgctl | |
compat_ksys_msgctl |
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