pintos-doxygen/html/child-mm-wrt_8c_source.html

/** Child process of mmap-exit.

   Mmaps a file and writes to it via the mmap'ing, then exits

   without calling munmap.  The data in the mapped region must be

   written out at program termination. */


#include <string.h>

#include <syscall.h>

#include "tests/vm/sample.inc"

#include "tests/lib.h"

#include "tests/main.h"


#define ACTUAL ((void *) 0x10000000)


void

test_main (void)

{

  int handle;


  CHECK (create ("sample.txt", sizeof sample), "create \"sample.txt\"");

  CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");

  CHECK (mmap (handle, ACTUAL) != MAP_FAILED, "mmap \"sample.txt\"");

  memcpy (ACTUAL, sample, sizeof sample);

}


ACTUAL
#define ACTUAL
Child process of mmap-exit.
Definition: child-mm-wrt.c:12

test_main
void test_main(void)
tests/main.h
Definition: child-mm-wrt.c:15

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

create
bool create(const char *file, unsigned initial_size)
Definition: syscall.c:91

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

memcpy
void * memcpy(void *dst_, const void *src_, size_t size)
Copies SIZE bytes from SRC to DST, which must not overlap.
Definition: string.c:7

string.h