freezer.c (5ece3eae4cdb968c269e0bc7e2c0e2b223552025) freezer.c (37ad8aca94a1da2112a7c56151390914e80d1113)
1/*
2 * kernel/freezer.c - Function to freeze a process
3 *
4 * Originally from kernel/power/process.c
5 */
6
7#include <linux/interrupt.h>
8#include <linux/suspend.h>

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88 return was_frozen;
89}
90EXPORT_SYMBOL(__refrigerator);
91
92static void fake_signal_wake_up(struct task_struct *p)
93{
94 unsigned long flags;
95
1/*
2 * kernel/freezer.c - Function to freeze a process
3 *
4 * Originally from kernel/power/process.c
5 */
6
7#include <linux/interrupt.h>
8#include <linux/suspend.h>

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88 return was_frozen;
89}
90EXPORT_SYMBOL(__refrigerator);
91
92static void fake_signal_wake_up(struct task_struct *p)
93{
94 unsigned long flags;
95
96 spin_lock_irqsave(&p->sighand->siglock, flags);
97 signal_wake_up(p, 0);
98 spin_unlock_irqrestore(&p->sighand->siglock, flags);
96 if (lock_task_sighand(p, &flags)) {
97 signal_wake_up(p, 0);
98 unlock_task_sighand(p, &flags);
99 }
99}
100
101/**
102 * freeze_task - send a freeze request to given task
103 * @p: task to send the request to
104 * @sig_only: if set, the request will only be sent if the task has the
105 * PF_FREEZER_NOSIG flag unset
106 * Return value: 'false', if @sig_only is set and the task has

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101
102/**
103 * freeze_task - send a freeze request to given task
104 * @p: task to send the request to
105 * @sig_only: if set, the request will only be sent if the task has the
106 * PF_FREEZER_NOSIG flag unset
107 * Return value: 'false', if @sig_only is set and the task has

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