/*------------------------------------------------------------------*/
/* testsignalignore.c                                               */
/* Author: Bob Dondero                                              */
/* Ignoring signals.                                                */
/*------------------------------------------------------------------*/

#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>

int main(int argc, char *argv[])
{
   void (*pfRet)(int);

   pfRet = signal(SIGINT, SIG_IGN);
   if (pfRet == SIG_ERR) {perror(argv[0]); return EXIT_FAILURE; }

   for (;;)
      ;

   /* Never should reach this point. */
}

/*------------------------------------------------------------------*/

/* Sample execution:

$ gcc -Wall -ansi -pedantic testsignalignore.c -o testsignalignore

$ testsignalignore
^C^C^C

*/

/* Note:  Can use kill command or Ctrl-\ to stop process. */