This repository has been archived on 2021-05-26. You can view files and clone it, but cannot push or open issues or pull requests.
OS/pintos-env/pintos/tests/userprog/close-twice.c

19 lines
421 B
C
Raw Normal View History

/* Opens a file and then tries to close it twice. The second
close must either fail silently or terminate with exit code
-1. */
#include <syscall.h>
#include "tests/lib.h"
#include "tests/main.h"
void
test_main (void)
{
int handle;
CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
msg ("close \"sample.txt\"");
close (handle);
msg ("close \"sample.txt\" again");
close (handle);
}