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OS/pintos-env/pintos/tests/vm/mmap-null.c

15 lines
322 B
C
Executable file

/* Verifies that memory mappings at address 0 are disallowed. */
#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\"");
CHECK (mmap (handle, NULL) == MAP_FAILED, "try to mmap at address 0");
}