Subversion Repositories HelenOS

Rev

Rev 3022 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 3022 Rev 4296
Line 32... Line 32...
32
#include <print.h>
32
#include <print.h>
33
#include <proc/thread.h>
33
#include <proc/thread.h>
34
 
34
 
35
#include <synch/rwlock.h>
35
#include <synch/rwlock.h>
36
 
36
 
37
#define READERS     50
37
#define READERS  50
38
#define WRITERS     50
38
#define WRITERS  50
39
 
39
 
40
static rwlock_t rwlock;
40
static rwlock_t rwlock;
41
static bool sh_quiet;
-
 
42
 
41
 
43
static void writer(void *arg)
42
static void writer(void *arg)
44
{
43
{
45
    if (!sh_quiet)
-
 
46
        printf("Trying to lock rwlock for writing....\n");
44
    TPRINTF("Trying to lock rwlock for writing....\n");
47
   
45
   
48
    rwlock_write_lock(&rwlock);
46
    rwlock_write_lock(&rwlock);
49
    rwlock_write_unlock(&rwlock);
47
    rwlock_write_unlock(&rwlock);
50
   
48
   
51
    if (!sh_quiet)
-
 
52
        printf("Trying to lock rwlock for reading....\n");
49
    TPRINTF("Trying to lock rwlock for reading....\n");
53
   
50
   
54
    rwlock_read_lock(&rwlock);
51
    rwlock_read_lock(&rwlock);
55
    rwlock_read_unlock(&rwlock);   
52
    rwlock_read_unlock(&rwlock);
56
}
53
}
57
 
54
 
58
char * test_rwlock2(bool quiet)
55
char *test_rwlock2(void)
59
{
56
{
60
    thread_t *thrd;
57
    thread_t *thrd;
61
    sh_quiet = quiet;
-
 
62
   
58
   
63
    rwlock_initialize(&rwlock);
59
    rwlock_initialize(&rwlock);
64
 
60
   
-
 
61
    rwlock_read_lock(&rwlock);
65
    rwlock_read_lock(&rwlock);
62
    rwlock_read_lock(&rwlock);
66
    rwlock_read_lock(&rwlock);
63
    rwlock_read_lock(&rwlock);
67
    rwlock_read_lock(&rwlock);
64
    rwlock_read_lock(&rwlock);
68
    rwlock_read_lock(&rwlock); 
-
 
69
   
65
   
70
    thrd = thread_create(writer, NULL, TASK, 0, "writer", false);
66
    thrd = thread_create(writer, NULL, TASK, 0, "writer", false);
71
    if (thrd)
67
    if (thrd)
72
        thread_ready(thrd);
68
        thread_ready(thrd);
73
    else
69
    else
74
        return "Could not create thread";
70
        return "Could not create thread";
75
 
71
   
76
    thread_sleep(1);
72
    thread_sleep(1);
77
   
73
   
78
    rwlock_read_unlock(&rwlock);
74
    rwlock_read_unlock(&rwlock);
79
    rwlock_read_unlock(&rwlock);
75
    rwlock_read_unlock(&rwlock);
80
    rwlock_read_unlock(&rwlock);
76
    rwlock_read_unlock(&rwlock);