Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c543f1ee08ea6c2176dbdc47df0d0f6357c88713
Commit: c543f1ee08ea6c2176dbdc47df0d0f6357c88713
Parent: 3a515e4a62dbf7e4c213740268a5267faa69e5b2
Author: Oleg Nesterov <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 8 04:19:07 2008 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Fri Feb 8 09:22:27 2008 -0800
wait_task_zombie: remove ->exit_state/exit_signal checks for WNOWAIT
The first "p->exit_state != EXIT_ZOMBIE" check doesn't make too much sense.
The exit_state was EXIT_ZOMBIE when the function was called, and another
thread can change it to EXIT_DEAD right after the check.
The second condition is not possible, detached non-traced threads were
already
filtered out by eligible_child(), we didn't drop tasklist since then.
Signed-off-by: Oleg Nesterov <[EMAIL PROTECTED]>
Cc: Roland McGrath <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
kernel/exit.c | 4 ----
1 files changed, 0 insertions(+), 4 deletions(-)
diff --git a/kernel/exit.c b/kernel/exit.c
index dee8b4d..42a8713 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1196,10 +1196,6 @@ static int wait_task_zombie(struct task_struct *p, int
noreap,
int exit_code = p->exit_code;
int why, status;
- if (unlikely(p->exit_state != EXIT_ZOMBIE))
- return 0;
- if (unlikely(p->exit_signal == -1 && p->ptrace == 0))
- return 0;
get_task_struct(p);
read_unlock(&tasklist_lock);
if ((exit_code & 0x7f) == 0) {
-
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