for stack size testing

test.c

#include <sys/time.h>
#include <sys/resource.h>
#include <stdio.h>
#include <alloca.h>

long long i;
int main(int argc, char** argv) {

	char a;
    
	struct rlimit rlim;
	for (;;) {
	getrlimit(RLIMIT_STACK, &rlim);
	printf("soft=%dK, hard=%dK\n",
		(int)rlim.rlim_cur/1024, 
		(int)rlim.rlim_max/1024);

	printf("pid = %d", getpid());
	a = getchar();
	if (a == 'e') break;	
	for (i=0; i< 8192*1024 ; i ++ ) {
		alloca(1024);
		printf("%8lld kb\n",i);
	}
	printf("sucess, i = %lld\n", i);
	}

}