函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\signal.c Create Date:2022-07-27 10:18:00
Last Modify:2020-03-17 13:28:47 Copyright©Brick
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函数名称：sys_pause

函数原型：__attribute__((regparm(0))) long sys_pause(void)

返回类型：long

参数：无

4423  当非signal_pending(当前进程)循环
4424  set_current_state() includes a barrier so that the write of current->state* is correctly serialised wrt the caller's subsequent test of whether to* actually sleep:* for (;;) {* set_current_state(TASK_UNINTERRUPTIBLE);* if (!need_sleep)* break;* (睡眠态)
4425  schedule()
4427  返回:负start if no handler..