In that year, I learned Linux C-signal processing step by step ~

Source: Internet
Author: User

 

Reprinted please indicate the source: http://blog.csdn.net/muge0913/article/details/7317621


Signal processing is LinuxProgram. Use signal processing to simulate the interrupt function of the operating system. To use the signal processing function, you must enter a signal processing function.


# Include <stdio. h> # include <sys/types. h> # include <stdlib. h> # include <signal. h> int flag = 1; void func (INT sig) {printf ("I get a signal! \ N "); flag = 0;} int main () {signal (SIGINT, func); printf (" PID: % LD \ n ", (long) getpid (); While (FLAG) pause (); Return 0 ;}

Run ,,,,,

 
# GCC Sig. C-O sig #./sig on another terminal: # Kill-int 333 // 333 is the process number printed by the program

 

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.