函数逻辑报告 |
Source Code:kernel\power\suspend.c |
Create Date:2022-07-27 10:58:33 |
Last Modify:2020-03-17 14:47:48 | Copyright©Brick |
首页 | 函数Tree |
注解内核,赢得工具 | 下载SCCT | English |
函数名称:r_state - Do common work needed to enter system sleep state.*@state: System sleep state to enter.* Make sure that no one else is trying to put the system into a sleep state.* Fail if that's not the case. Otherwise, prepare for system suspend, make the
函数原型:static int enter_state(suspend_state_t state)
返回类型:int
参数:
类型 | 参数 | 名称 |
---|---|---|
suspend_state_t | state |
551 | trace_suspend_resume(TPS("suspend_enter"), state, true) |
552 | 如果state恒等于PM_SUSPEND_TO_IDLE则否则如果非valid_state(state)则 |
560 | 返回:负EINVAL |
562 | 如果非mutex_trylock - try to acquire the mutex, without waiting*@lock: the mutex to be acquired* Try to acquire the mutex atomically则返回:负EBUSY |
565 | 如果state恒等于PM_SUSPEND_TO_IDLE则s2idle_begin() |
569 | trace_suspend_resume(TPS("sync_filesystems"), 0, true) |
570 | ksys_sync_helper() |
571 | trace_suspend_resume(TPS("sync_filesystems"), 0, false) |
574 | pm_pr_dbg("Preparing system for sleep (%s)\n", mem_sleep_labels[state]) |
575 | pm_suspend_clear_flags() |
580 | 如果suspend_test(TEST_FREEZER)则转到:Finish |
583 | trace_suspend_resume(TPS("suspend_enter"), state, false) |
584 | pm_pr_dbg("Suspending system (%s)\n", mem_sleep_labels[state]) |
585 | pm_restrict_gfp_mask() |
586 | error等于suspend_devices_and_enter - Suspend devices and enter system sleep state.*@state: System sleep state to enter. |
587 | pm_restore_gfp_mask() |
589 | Finish : |
590 | events_check_enabled = false |
591 | pm_pr_dbg("Finishing wakeup.\n") |
593 | Unlock : |
595 | 返回:error |
名称 | 描述 |
---|---|
pm_suspend | pm_suspend - Externally visible function for suspending the system.*@state: System sleep state to enter.* Check if the value of @state represents one of the supported states,* execute enter_state() and update system suspend statistics. |
源代码转换工具 开放的插件接口 | X |
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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 |