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dump: Don't kill tasks after failed dump

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This is not very good practice :) Just leave them in the state they've been to before
dumping. Plz note, that tasks segfault for some reason after unseizeing, but this is
another story.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov 2012-04-11 15:17:26 +04:00
parent 13ee53a098
commit 1e9ccd2bbd
2 changed files with 8 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

14
cr-dump.c
View file

@ -1076,16 +1076,13 @@ static void unseize_task_and_threads(const struct pstree_item *item, int st)
unseize_task(item->threads[i], st); /* item->pid will be here */
}
static void pstree_switch_state(const struct list_head *list,
const struct cr_options *opts)
static void pstree_switch_state(const struct list_head *list, int st)
{
struct pstree_item *item;
list_for_each_entry(item, list, list) {
unseize_task_and_threads(item, opts->final_state);
if (opts->leader_only)
break;
}
pr_info("Unfreezing tasks into %d\n", st);
list_for_each_entry(item, list, list)
unseize_task_and_threads(item, st);
}
static int seize_threads(const struct pstree_item *item)
@ -1691,7 +1688,8 @@ err:
xfree(shmems);
xfree(pipes);
close_cr_fdset(&glob_fdset);
pstree_switch_state(&pstree_list, opts);
pstree_switch_state(&pstree_list,
ret ? TASK_ALIVE : opts->final_state);
free_pstree(&pstree_list);
return ret;

2
ptrace.c
View file

@ -22,6 +22,8 @@
int unseize_task(pid_t pid, int st)
{
pr_debug("\tUnseizeing %d into %d\n", pid, st);
if (st == TASK_DEAD)
kill(pid, SIGKILL);
else if (st == TASK_STOPPED)