1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
/* Spawns several child processes to write out different parts of
the contents of a file and waits for them to finish. Then
reads back the file and verifies its contents. */
#include <random.h>
#include <stdio.h>
#include <string.h>
#include <syscall.h>
#include "tests/filesys/base/syn-write.h"
#include "tests/lib.h"
#include "tests/main.h"
char buf1[BUF_SIZE];
char buf2[BUF_SIZE];
void
test_main (void)
{
pid_t children[CHILD_CNT];
int fd;
CHECK (create (file_name, sizeof buf1), "create \"%s\"", file_name);
exec_children ("child-syn-wrt", children, CHILD_CNT);
wait_children (children, CHILD_CNT);
CHECK ((fd = open (file_name)) > 1, "open \"%s\"", file_name);
CHECK (read (fd, buf1, sizeof buf1) > 0, "read \"%s\"", file_name);
random_bytes (buf2, sizeof buf2);
compare_bytes (buf1, buf2, sizeof buf1, 0, file_name);
}
|
