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This commit is contained in:
Martin Baulig
1998-08-16 13:40:15 +00:00
parent b40e08fb74
commit 77f56522c5
6 changed files with 106 additions and 7 deletions
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51
kernel/table21/module.c
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@@ -304,8 +304,9 @@ table_fkt (int type, union table *buf, const void *param)
union table tbl;
struct sysinfo i;
struct task_struct *tsk = NULL;
struct proclist_args plistargs;
int index, tindex, err, tty;
sigset_t sigign, sigcatch;
int index, tindex, err;
pid_t pid;
if (type == TABLE_VERSION)
@@ -339,6 +340,14 @@ table_fkt (int type, union table *buf, const void *param)
if (tsk == NULL)
return -ESRCH;
break;
case TABLE_PROCLIST:
err = verify_area (VERIFY_READ, param,
sizeof (struct proclist_args));
if (err)
return err;
copy_from_user (&plistargs, param,
sizeof (struct proclist_args));
break;
}
/* Main function dispatcher */
@@ -347,10 +356,40 @@ table_fkt (int type, union table *buf, const void *param)
case TABLE_PROCLIST:
tsk = task [0];
read_lock (&tasklist_lock);
for (index = tindex = 0; index < nr_tasks; index++) {
if (tsk->pid)
tbl.proclist.pids [tindex++] = tsk->pid;
tsk = tsk->next_task;
for (index = tindex = 0; index < nr_tasks;
index++, tsk = tsk->next_task) {
if (tsk->pid == 0) continue;
switch (plistargs.which & TABLE_KERN_PROC_MASK) {
case TABLE_KERN_PROC_PID:
if (tsk->pid != plistargs.arg) continue;
break;
case TABLE_KERN_PROC_PGRP:
if (tsk->pgrp != plistargs.arg) continue;
break;
case TABLE_KERN_PROC_SESSION:
if (tsk->session != plistargs.arg) continue;
case TABLE_KERN_PROC_TTY:
tty = tsk->tty ?
kdev_t_to_nr (tsk->tty->device) : 0;
if (tty != plistargs.arg) continue;
break;
case TABLE_KERN_PROC_UID:
if (tsk->uid != plistargs.arg) continue;
break;
case TABLE_KERN_PROC_RUID:
if (tsk->euid != plistargs.arg) continue;
break;
}
if ((plistargs.which & TABLE_EXCLUDE_IDLE) &&
(tsk->state != 0))
continue;
if ((plistargs.which & TABLE_EXCLUDE_NOTTY) &&
(tsk->tty == NULL))
continue;
tbl.proclist.pids [tindex++] = tsk->pid;
}
tbl.proclist.nr_running = nr_running;
tbl.proclist.last_pid = last_pid;
@@ -395,6 +434,8 @@ table_fkt (int type, union table *buf, const void *param)
task[0]->times.tms_stime;
break;
case TABLE_PROC_STATE:
tbl.proc_state.uid = tsk->uid;
tbl.proc_state.gid = tsk->gid;
tbl.proc_state.state = tsk->state;
tbl.proc_state.flags = tsk->flags;
memcpy (tbl.proc_state.comm, tsk->comm,