/* Verifies that memory mappings persist after file close. */
#include
#include
#include “tests/vm/sample.inc”
#include “tests/arc4.h”
#include “tests/lib.h”
#include “tests/main.h”
#define ACTUAL ((void *) 0x10000000)
void
test_main (void)
{
int handle;
mapid_t map;
CHECK ((handle = open (“sample.txt”)) > 1, “open \”sample.txt\””);
CHECK ((map = mmap (handle, ACTUAL)) != MAP_FAILED, “mmap \”sample.txt\””);
close (handle);
if (memcmp (ACTUAL, sample, strlen (sample)))
fail (“read of mmap’d file reported bad data”);
munmap (map);
}