Pintos: pintos/src/tests/userprog/read-bad-ptr.c Source File

00001 /* Passes an invalid pointer to the read system call.
00002    The process must be terminated with -1 exit code. */
00003 
00004 #include <syscall.h>
00005 #include "tests/lib.h"
00006 #include "tests/main.h"
00007 
00008 void
00009 test_main (void) 
00010 {
00011   int handle;
00012   CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
00013 
00014   read (handle, (char *) 0xc0100000, 123);
00015   fail ("should not have survived read()");
00016 }