#include <stdio.h> #include <signal.h> void handle_USR1 (int sig) { } int value; int main (void) { int my_array[3] = { 1, 2, 3 }; /* break main */ value = 7; #ifdef SIGUSR1 signal (SIGUSR1, handle_USR1); #endif printf ("value is %d\n", value); printf ("my_array[2] is %d\n", my_array[2]); { int i; for (i = 0; i < 5; i++) value++; /* increment value */ } return 0; /* after loop */ } |