Subversion Repositories HelenOS

Rev

Rev 2071 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2071 Rev 4227
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);