函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\time\itimer.c Create Date:2022-07-27 11:49:10
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：alarm_setitimer - set alarm in seconds*@seconds: number of seconds until alarm* 0 disables the alarm* Returns the remaining time in seconds of a pending timer or 0 when* the timer is not active

函数原型：static unsigned int alarm_setitimer(unsigned int seconds)

返回类型：unsigned int

参数：

类型参数名称
unsigned intseconds
286  如果seconds大于INT_MAX则seconds等于INT_MAX
289  seconds 等于seconds
290  nanoseconds 等于0
291  seconds 等于 nanoseconds 等于0
293  do_setitimer(Names of the interval timers, and structure* defining a timer setting:, & it_new, & it_old)
299  如果非 seconds 且 nanoseconds 或 nanoseconds 大于等于NSEC_PER_SEC除2则 seconds 自加
303  返回: seconds
调用者
名称描述
SYSCALL_DEFINE1For backwards compatibility? This can be done in libc so Alpha* and all newer ports shouldn't need it.