freeze_processes

函数名称：ze_processes - Signal user space processes to enter the refrigerator.* The current thread will not be frozen. The same process that calls* freeze_processes must later call thaw_processes.* On success, returns 0

函数原型：int freeze_processes(void)

返回类型：int

参数：无

127

error等于__usermodehelper_disable - Prevent new helpers from being started.*@depth: New value to assign to usermodehelper_disabled.* Set usermodehelper_disabled to @depth and wait for running helpers to exit.

128

如果error则返回:error

132

flags或等于This thread called freeze_processes() and should not be frozen

134

如果非pm_freezing则atomic_inc( & system_freezing_cnt)

137

pm_wakeup_clear(true)

138

打印信息("Freezing user space processes ... ")

139

pm_freezing = true

140

error等于try_to_freeze_tasks(true)

141

如果非error则

142

__usermodehelper_set_disable_depth - Modify usermodehelper_disabled.*@depth: New value to assign to usermodehelper_disabled.* Change the value of usermodehelper_disabled (under umhelper_sem locked for* writing) and wakeup tasks waiting for it to change.

143

打印标准信息("done.")

145

打印标准信息("\n")

146

BUG_ON(Are we running in atomic context? WARNING: this macro cannot* always detect atomic context; in particular, it cannot know about* held spinlocks in non-preemptible kernels. Thus it should not be())

154

如果非error且非m_killer_disable - disable OOM killer*@timeout: maximum timeout to wait for oom victims in jiffies* Forces all page allocations to fail rather than trigger OOM killer则error等于负EBUSY

157

如果error则thaw_processes()

159

返回:error

**调用者**
名称	描述
hibernate	hibernate - Carry out system hibernation, including saving the image.
software_resume	software_resume - Resume from a saved hibernation image.* This routine is called as a late initcall, when all devices have been* discovered and initialized already.* The image reading code is called to see if there is a hibernation image
snapshot_ioctl

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告