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Commit dae25391 authored by h2-addad's avatar h2-addad
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/* Verifies that mapping over the data segment is disallowed. */
#include <stdint.h>
#include <round.h>
#include <syscall.h>
#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");
}
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