[C] Stoppare un ciclo for

[MacApp]

Devi installare l'handler del segnale prima di volerlo catturare.

// Compiled an tested with: i686-apple-darwin8-gcc-4.0.1 (GCC) 4.0.1 (Apple Computer, Inc. build 5367)
#include <stdio.h>
#include <signal.h>

static unsigned int sPleaseExit = 0;

static void Terminator (int theSignal){
	if (SIGINT == theSignal){
		sPleaseExit = 1;
	}
}

int main (int argc, const char * argv[]) {
	if (SIG_ERR != signal (SIGINT, Terminator)){
		int i;
		for (i = 0; 0 == sPleaseExit; ++i){
			// to exit from this loop, send me SIGINT signal (press CTRL-C)
			printf ("i = %d;\n", i);
		}
		
		// now do whatever you want: write to file etc.
	}
	else{
		printf ("signal error;\n");
	}
	printf ("bye bye...\n");
	return 0;
}