pintos-doxygen/html/syn-read_8c_source.html

/** Spawns 10 child processes, all of which read from the same

   file and make sure that the contents are what they should

   be. */


#include <random.h>

#include <stdio.h>

#include <syscall.h>

#include "tests/lib.h"

#include "tests/main.h"

#include "tests/filesys/base/syn-read.h"


static char buf[BUF_SIZE];


#define CHILD_CNT 10


void

test_main (void)

{

  pid_t children[CHILD_CNT];

  int fd;


  CHECK (create (file_name, sizeof buf), "create \"%s\"", file_name);

  CHECK ((fd = open (file_name)) > 1, "open \"%s\"", file_name);

  random_bytes (buf, sizeof buf);

  CHECK (write (fd, buf, sizeof buf) > 0, "write \"%s\"", file_name);

  msg ("close \"%s\"", file_name);

  close (fd);


  exec_children ("child-syn-read", children, CHILD_CNT);

  wait_children (children, CHILD_CNT);

}

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

close
void close(int fd)
Definition: syscall.c:139

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

write
int write(int fd, const void *buffer, unsigned size)
Definition: syscall.c:121

pid_t
int pid_t
Process identifier.
Definition: syscall.h:8

msg
void msg(const char *format,...)
Definition: lib.c:28

wait_children
void wait_children(pid_t pids[], size_t child_cnt)
Definition: lib.c:94

exec_children
void exec_children(const char *child_name, pid_t pids[], size_t child_cnt)
Definition: lib.c:80

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

random_bytes
void random_bytes(void *buf_, size_t size)
Writes SIZE random bytes into BUF.
Definition: random.c:54

random.h

test_main
void test_main(void)
tests/main.h
Definition: syn-read.c:17

buf
static char buf[BUF_SIZE]
Spawns 10 child processes, all of which read from the same file and make sure that the contents are w...
Definition: syn-read.c:12

CHILD_CNT
#define CHILD_CNT
Definition: syn-read.c:14

syn-read.h

BUF_SIZE
#define BUF_SIZE
Definition: syn-read.h:4

file_name
static const char file_name[]
tests/filesys/base/syn-read.h
Definition: syn-read.h:5