Pintos: pintos/src/tests/vm/mmap-null.c Source File

00001 /* Verifies that memory mappings at address 0 are disallowed. */
00002 
00003 #include <syscall.h>
00004 #include "tests/lib.h"
00005 #include "tests/main.h"
00006 
00007 void
00008 test_main (void) 
00009 {
00010   int handle;
00011   
00012   CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
00013   CHECK (mmap (handle, NULL) == MAP_FAILED, "try to mmap at address 0");
00014 }
00015