#include <stdio.h>
#include <sys/types.h>
#include <sys/prctl.h>

void entry(void *arg);

int i=2;

main()
{
	int k=4;
	puts("main");

	sproc( entry , PR_SADDR, (void *)&k );
	k++;
	sproc( entry , PR_SADDR, (void *)&k);

	printf("m %d\n", i ); fflush (stdout);
}

void entry(void *arg)
{
	printf("e1 %d\n", i ); fflush (stdout);
	i=i+*(int *)arg;
	printf("e2 %d\n", i ); fflush (stdout);
	puts("entry");
}