set timer to 2 minutes

Introduction to timer subsystem in linux subsystem set (2) I have not translated an article in my blog. Although the English level is limited, it is also a good choice to translate an article slowly using google translation. Let's take a look at the hrtimer documentation. Hrtimers-high-precision kernel timers Subsystem---------------------------------------------

]);} + intLowbit (intx) {returnx (-x);} - voidAddintXLong Longval) { + for(intI=x;iVal; A } at voidChangeintXLong Longval) { - for(intI=x;iLong Long) sqrt (val); - } - Long LongQueryintx) { - Long Longans=0; - for(intI=x;i>0; I-=lowbit (i)) ans+=Sum[i]; in returnans; - } to intMain () { +n=read (); - for(intI=1; iread (); add (I,a[i]);} the for(intI=1; ii; *m=read (); $ while(m--) {Panax Notoginseng intX=read (), L=read (), r=read (); - if(x

Tags: Because the project needs to create a timer (EVEVT), so Baidu a bit, found that the basic is from a template, some functions are not complete, now summarize their own. Note: The MySQL version is supported for event starting from 5.1. If your version is below 5.1, upgrade the version first. There are a lot of ways to view the version, just give you a select version (); 1. See if Evevt is turned on and Evevt is turned on. 1.1, MySQ

Label:Because the project needs to create a timer (EVEVT), so Baidu a bit, found that the basic is from a template, some functions are not complete, now summarize their own. Note: The MySQL version is supported for event starting from 5.1. If your version is below 5.1, upgrade the version first. There are a lot of ways to view the version, just give you a select version (); 1. Check to see if Evevt is turned on and evevt on. 1.1, MySQL evevt function

Reprinted from: http://blog.sina.com.cn/s/blog_6d39ac7e01017sd6.html Because the project needs to create a timer (evevt), Baidu just found that it basically comes from a template, and some functions are not complete, so I will summarize it myself. Note: The MySQL version supports event only from 5.1. If your version is earlier than 5.1, upgrade it first. There are many ways to view the version. Here we only provide oneSelect version (); 1. Check whet

Tags: date () Start values automatic ROP open 2.3 time interval details11. Check to see if Evevt is turned on and on Evevt. 2 31.1, MySQL evevt feature is turned off by default, you can use the following statement to see the state of evevt, if it is off or 0, the expression is closed. 4Show VARIABLES like '%sche% ';51.2, turn on evevt function6SET GLOBAL Event_scheduler = 1;72the process of creating a timer82.1, creating a test table tests9drop tablei

Title: Now there are 1 points, 2 points, 5 cent coins total 100, the total amount of 2.46 yuan, please use the program to calculate 1 points, 2 points, 5 points each has how many, how much algorithm?This is a recent interview encountered a topic, just start without thinking, a look at this is a three-dimensional equation group, assuming that the number of a, B, C, there will be an unknown and two groups of

A small application using the timer, singleton and Protocol (2), Timer Protocol In the previous article, I wrote a simple timer, which can also run properly. But now there is a problem, like the Timer Program on our mobile phone. Even when switching to the alarm clock or wor

Use the common Timer 2 to generate an interrupt. Count mode: Increase the Count! I. Programming Configuration 1. First configure the interrupt. The timer interrupt must be configured. The Code is as follows: void TIM2_NVIC_Configuration(void){ NVIC_InitTypeDef NVIC_InitStructure; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0); NVIC_InitStructure.

Take you 5 minutes to understand MySQL Character Set settings, mysql Character SetI. Content Overview When using MySQL, it is important to understand the concepts of character sets and collation, and the impact of different settings on data storage and comparison. Many people encounter garbled characters in their daily work, probably because they do not have a correct understanding of character sets and col

Linux Kernel Timer I. Definition /Include/Linux/Timer. h struct timer_list {struct list_head entry;unsigned long expires;void (*function)(unsigned long);unsigned long data;struct tvec_t_base_s *base;#ifdef CONFIG_TIMER_STATSvoid *start_site;char start_comm[16];int start_pid;#endif};Ii. Functions An instance of the timer_list struct corresponds to a timer. in Linu

to schedule any more tasks. Extended cron Utility You can compare a planning framework to a Unix cron utility, except that the number of planned times is mandatory rather than declarative. For example, the dailyiterator class used in the alarmclock implementation has the same plan as the cron job, all are specified by crontab items starting with 0 7 *** (these fields specify minutes, hours, days, months, and weeks respectively ). However, the planni

;new_value.it_value.tv_usec=time->tv_usec;new_value.it_interval.tv_sec=0; New_value.it_interval.tv_usec=0; Setitimer (Itimer_real,new_value,null); Sigsuspend (zero_mask);}Main function Test Section#include #include#include"multtime.h"#include#includeintMain () {pid_t pid; Time Time1,time2,time3; Time1.tv_sec=6; Time1.tv_usec=0; Time2.tv_sec=4; Time2.tv_usec=0; Time3.tv_sec=2; Time3.tv_usec=0; Timer_init (); if((Pid=fork ()) 0) {perror ("fork ()

: , - * / , - * / , - * / , - * / ? L W C , - * / ,-*/L # C 1970-2099,-*/ Field meaning*: Represents all possible values -: Specified range ,: List enumeration For example in minutes, "5,15" means 5 minutes and 20 minutes trigger /: Specify increments for example in minutes