Gerd Knorr wrote:
Hi,
Somewhere between 2.6.11 and 2.6.12 the regression in $subject
was added to the linux kernel. Testcase below.
Yep. The itimer changes got a bit carried away. Here is a fix.
--
George Anzinger [email protected]
HRT (High-res-timers): http://sourceforge.net/projects/high-res-timers/
Source: MontaVista Software, Inc. George Anzinger <[email protected]>
Type: Defect Fix
Description:
The changes to itimer of late (after 2.6.11) cause itimers not
to survive the exec* calls. Standard says they should.
Signed-off-by: George Anzinger<[email protected]>
exit.c | 1 +
posix-timers.c | 4 ++--
2 files changed, 3 insertions(+), 2 deletions(-)
Index: linux-2.6.13-rc/kernel/exit.c
===================================================================
--- linux-2.6.13-rc.orig/kernel/exit.c
+++ linux-2.6.13-rc/kernel/exit.c
@@ -794,6 +794,7 @@ fastcall NORET_TYPE void do_exit(long co
}
tsk->flags |= PF_EXITING;
+ del_timer_sync(&tsk->signal->real_timer);
/*
* Make sure we don't try to process any timer firings
Index: linux-2.6.13-rc/kernel/posix-timers.c
===================================================================
--- linux-2.6.13-rc.orig/kernel/posix-timers.c
+++ linux-2.6.13-rc/kernel/posix-timers.c
@@ -1183,10 +1183,10 @@ void exit_itimers(struct signal_struct *
struct k_itimer *tmr;
while (!list_empty(&sig->posix_timers)) {
- tmr = list_entry(sig->posix_timers.next, struct k_itimer, list);
+ tmr = list_entry(sig->posix_timers.next,
+ struct k_itimer, list);
itimer_delete(tmr);
}
- del_timer_sync(&sig->real_timer);
}
/*
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