/*------------------------------------------------------------------*/
/* testsigaction.c                                                  */
/* Signal handling via the sigaction() function                     */
/*------------------------------------------------------------------*/

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

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

static void myHandler(int iSig)

/* This function is intended to be a handler for signals of various
   types.  Print iSig to stdout. */

{
   printf("In myHandler with argument %d\n", iSig);
}

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

int main(void)

/* Illustrate the sigaction() function. */

{
   struct sigaction sAction;
   int iRet;

   sAction.sa_flags = 0;
   sAction.sa_handler = myHandler;
   sigemptyset(&sAction.sa_mask);
   iRet = sigaction(SIGINT, &sAction, NULL);
   assert(iRet == 0);

   printf("Entering an infinite loop\n");
   for (;;)
      ;

   return 0;
}