pintos-doxygen/html/mmap-null_8c_source.html

/** 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");

}


mmap
mapid_t mmap(int fd, void *addr)
Project 3 and optionally project 4.
Definition: syscall.c:145

open
int open(const char *file)
Definition: syscall.c:103

MAP_FAILED
#define MAP_FAILED
Definition: syscall.h:13

lib.h

CHECK
#define CHECK(SUCCESS,...)
Takes an expression to test for SUCCESS and a message, which may include printf-style arguments.
Definition: lib.h:29

main.h

test_main
void test_main(void)
Verifies that memory mappings at address 0 are disallowed.
Definition: mmap-null.c:8

NULL
#define NULL
Definition: stddef.h:4