Code snippet for signals


 
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# 1  
Old 10-20-2010
Code snippet for signals

Hi. This is code snipped I have. I am trying to play with signals...
Code:
int main(int argc,  char *argv[]) {

   int i;
   sigset_t s; //declare set of signals
   sigfillset(&s); //initializes the signal set  to include all of the defined signals
   int j;
   for ( i = 0 ; i < 70 ; i++){
     j = sigismember( &s , i);
     printf("Signal value->%d  %d \n", i ,j);
   }
}

I would like to print also signal in the form such as SIGQUIT if i is 3 for example.
Is that possible?That way I can easier see what signals are in my set rather then reading value of j to know if 3 is in set or not
# 2  
Old 10-20-2010
Code:
kill -l

This is the shell command to list your signals. They are not fixed for every UNIX system.
Meaning: 3 could be a non-existent signal on your box
# 3  
Old 10-20-2010
kill -l

actually running kill -l shows that 3) SIGQUIT is there.
I wanted to somehow print signals from my source code not from shell prompt
# 4  
Old 10-21-2010
There's no function that converts a signal number to a string, you'll have to make a list and compare them yourself.
# 5  
Old 10-21-2010
Quote:
Originally Posted by Corona688
There's no function that converts a signal number to a string, you'll have to make a list and compare them yourself.
Code:
man 3 strsignal

?
# 6  
Old 10-21-2010
I stand corrected, wow.
# 7  
Old 10-22-2010
strsignal is part of POSIX so it should be on most platforms.
 
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