aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/power/process.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/power/process.c')
-rw-r--r--kernel/power/process.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 99eeb119b06d..b9a32860bef3 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -28,8 +28,7 @@ static inline int freezeable(struct task_struct * p)
28 if ((p == current) || 28 if ((p == current) ||
29 (p->flags & PF_NOFREEZE) || 29 (p->flags & PF_NOFREEZE) ||
30 (p->exit_state == EXIT_ZOMBIE) || 30 (p->exit_state == EXIT_ZOMBIE) ||
31 (p->exit_state == EXIT_DEAD) || 31 (p->exit_state == EXIT_DEAD))
32 (p->state == TASK_STOPPED))
33 return 0; 32 return 0;
34 return 1; 33 return 1;
35} 34}
@@ -61,9 +60,12 @@ static inline void freeze_process(struct task_struct *p)
61 unsigned long flags; 60 unsigned long flags;
62 61
63 if (!freezing(p)) { 62 if (!freezing(p)) {
63 if (p->state == TASK_STOPPED)
64 force_sig_specific(SIGSTOP, p);
65
64 freeze(p); 66 freeze(p);
65 spin_lock_irqsave(&p->sighand->siglock, flags); 67 spin_lock_irqsave(&p->sighand->siglock, flags);
66 signal_wake_up(p, 0); 68 signal_wake_up(p, p->state == TASK_STOPPED);
67 spin_unlock_irqrestore(&p->sighand->siglock, flags); 69 spin_unlock_irqrestore(&p->sighand->siglock, flags);
68 } 70 }
69} 71}
@@ -103,9 +105,7 @@ static unsigned int try_to_freeze_tasks(int freeze_user_space)
103 if (frozen(p)) 105 if (frozen(p))
104 continue; 106 continue;
105 107
106 if (p->state == TASK_TRACED && 108 if (p->state == TASK_TRACED && frozen(p->parent)) {
107 (frozen(p->parent) ||
108 p->parent->state == TASK_STOPPED)) {
109 cancel_freezing(p); 109 cancel_freezing(p);
110 continue; 110 continue;
111 } 111 }