[SOLVED] CS /* Verifies that mapping over the data segment is disallowed. */

/* Verifies that mapping over the data segment is disallowed. */

#include
#include
#include
#include tests/lib.h
#include tests/main.h

static char x;

void
test_main (void)
{
uintptr_t x_page = ROUND_DOWN ((uintptr_t) &x, 4096);
int handle;

CHECK ((handle = open (sample.txt)) > 1, open sample.txt);
CHECK (mmap (handle, (void *) x_page) == MAP_FAILED,
try to mmap over data segment);
}