From b5f0874cd96ee2a62aabc645b9626c2749cb6a01 Mon Sep 17 00:00:00 2001 From: manuel Date: Mon, 26 Mar 2012 12:54:45 +0200 Subject: initial pintos checkin --- pintos-progos/tests/vm/mmap-unmap.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 pintos-progos/tests/vm/mmap-unmap.c (limited to 'pintos-progos/tests/vm/mmap-unmap.c') diff --git a/pintos-progos/tests/vm/mmap-unmap.c b/pintos-progos/tests/vm/mmap-unmap.c new file mode 100644 index 0000000..d35a79e --- /dev/null +++ b/pintos-progos/tests/vm/mmap-unmap.c @@ -0,0 +1,23 @@ +/* Maps and unmaps a file and verifies that the mapped region is + inaccessible afterward. */ + +#include +#include "tests/vm/sample.inc" +#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\""); + + munmap (map); + + fail ("unmapped memory is readable (%d)", *(int *) ACTUAL); +} -- cgit v1.2.3