2008-08-12 08:25:34     comfusing of the SIGIO

Document created by Aaronwu Employee on Aug 8, 2013
Version 1Show Document
  • View in full screen mode

2008-08-12 08:25:34     comfusing of the SIGIO

edward jiang (CHINA)

Message: 60323   


hi all:


in my uclinux application progrmming,when i get a SIGIO signal ,a fucntion called 'comin' is executed.my question is ,before the function 'comin' exits,a second SIGIO came,what would happened?the second SIGIO is directly ignored?or the second 'comin' will interrupted the first 'comin'?


thanks a lot.




2008-08-12 08:38:31     Re: comfusing of the SIGIO

Mike Frysinger (UNITED STATES)

Message: 60328   


it all depends on how you've configured your application to deal with signals and whether you're using the old signal handling or the new sigaction handling and what you've set your masks and ...


it'd probably be best if you just bought a book on the topic, but you could read `man 7 signal`