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
32
33
34
35
36
37
38
39
|
/* 11.t - uses testdir/rwfile
- repeated read / write of same page (to check accounting) (11.t)
*/
#include "aio_setup.h"
#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>
int test_main(void)
{
#define COUNT 1000000
#define SIZE 256
char *buf;
int rwfd;
int status = 0;
int i;
rwfd = open("testdir/rwfile", O_RDWR|O_CREAT|O_TRUNC, 0600);
assert(rwfd != -1);
buf = malloc(SIZE); assert(buf != NULL);
memset(buf, 0, SIZE);
for (i=0; i<COUNT; i++) {
status |= attempt_rw(rwfd, buf, SIZE, 0, WRITE_SILENT, SIZE);
if (status)
break;
}
printf("completed %d out of %d writes\n", i, COUNT);
for (i=0; i<COUNT; i++) {
status |= attempt_rw(rwfd, buf, SIZE, 0, READ_SILENT, SIZE);
if (status)
break;
}
printf("completed %d out of %d reads\n", i, COUNT);
return status;
}
|
