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authorPavel Machek <pavel@suse.cz>2006-03-31 02:30:06 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-31 12:18:50 -0800
commit85b6bce3658a823aa169586fe71ffba0f12ccc71 (patch)
treead2ca0b501d2ff767889d15dfda22abec75f38c4
parent1a75a3f0680d9c4bc4761512658b6fd664032e18 (diff)
[PATCH] Fix suspend with traced tasks
strace /bin/bash misbehaves after resume; this fixes it. (akpm: it's scary calling refrigerator() in state TASK_TRACED, but it seems to do the right thing). Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--kernel/power/process.c3
-rw-r--r--kernel/signal.c1
2 files changed, 2 insertions, 2 deletions
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 8ac7c35fad77..b2a5f671d6cd 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -26,8 +26,7 @@ static inline int freezeable(struct task_struct * p)
(p->flags & PF_NOFREEZE) ||
(p->exit_state == EXIT_ZOMBIE) ||
(p->exit_state == EXIT_DEAD) ||
- (p->state == TASK_STOPPED) ||
- (p->state == TASK_TRACED))
+ (p->state == TASK_STOPPED))
return 0;
return 1;
}
diff --git a/kernel/signal.c b/kernel/signal.c
index 4922928d91f6..92025b108791 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1560,6 +1560,7 @@ static void ptrace_stop(int exit_code, int nostop_code, siginfo_t *info)
/* Let the debugger run. */
set_current_state(TASK_TRACED);
spin_unlock_irq(&current->sighand->siglock);
+ try_to_freeze();
read_lock(&tasklist_lock);
if (likely(current->ptrace & PT_PTRACED) &&
likely(current->parent != current->real_parent ||

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