diff options
| author | Dinakar Guniguntala <dino@in.ibm.com> | 2004-11-09 17:06:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-11-09 17:06:41 -0800 |
| commit | 607acf00deb7f44bb536300e35a8a2995b85509c (patch) | |
| tree | ddfccd5379f0f9231241c63023f1ffcaff6d3697 /kernel | |
| parent | d9621fa0a714dd039daaf171cdd57cde412d7cbf (diff) | |
| download | history-607acf00deb7f44bb536300e35a8a2995b85509c.tar.gz | |
[PATCH] Fix do_wait race
Only set the flag in the cases when the exit state is not either
TASK_DEAD or TASK_ZOMBIE.
(TASK_DEAD or TASK_ZOMBIE will either race or we'll return the
information, so no need to note them).
I confirmed that this fixes the problem and I also ran some LTP tests
Signed-off-by: Dinakar Guniguntala <dino@in.ibm.com>
Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/exit.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 4f22175f601b67..1cf910bde58a8d 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1335,14 +1335,15 @@ repeat: ret = eligible_child(pid, options, p); if (!ret) continue; - flag = 1; switch (p->state) { case TASK_TRACED: + flag = 1; if (!my_ptrace_child(p)) continue; /*FALLTHROUGH*/ case TASK_STOPPED: + flag = 1; if (!(options & WUNTRACED) && !my_ptrace_child(p)) continue; @@ -1377,6 +1378,7 @@ repeat: goto end; break; } + flag = 1; check_continued: if (!unlikely(options & WCONTINUED)) continue; |