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/*
* Worldvisions Weaver Software:
* Copyright (C) 1997-2002 Net Integration Technologies, Inc.
*
* small program to test the wvfork() function.
*
* correct output is:
* 1
* 2
* 3
*/
#include <stdio.h>
#include <fcntl.h>
#include <sys/wait.h>
#include "wvfork.h"
int main()
{
pid_t pid = 0;
fcntl(1, F_SETFD, FD_CLOEXEC); // make stdout close-on-exec
pid = wvfork(1); // but don't close it this time!
if (pid != 0)
{
// parent
printf("1\n");
waitpid(pid, NULL, 0);
}
else
{
// child
printf("2\n");
pid = wvfork(); // close it this time.
if (pid != 0)
{
// parent
printf("3\n");
waitpid(pid, NULL, 0);
}
else
{
// child
printf("4\n"); // should NOT be printed!
}
}
return (0);
}
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