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Rev 2022 | Rev 2028 | ||
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Line 37... | Line 37... | ||
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 | 41 | ||
42 | static void reader(void *arg); |
- | |
43 | static void failed(void); |
- | |
44 | - | ||
45 | static void reader(void *arg) |
42 | static void reader(void *arg) |
46 | { |
43 | { |
47 | thread_detach(THREAD); |
44 | thread_detach(THREAD); |
48 | 45 | ||
49 | printf("cpu%d, tid %d: trying to lock rwlock for reading....\n", CPU->id, THREAD->tid); |
46 | printf("cpu%d, tid %d: trying to lock rwlock for reading....\n", CPU->id, THREAD->tid); |
Line 54... | Line 51... | ||
54 | printf("cpu%d, tid %d: trying to lock rwlock for writing....\n", CPU->id, THREAD->tid); |
51 | printf("cpu%d, tid %d: trying to lock rwlock for writing....\n", CPU->id, THREAD->tid); |
55 | 52 | ||
56 | rwlock_write_lock(&rwlock); |
53 | rwlock_write_lock(&rwlock); |
57 | rwlock_write_unlock(&rwlock); |
54 | rwlock_write_unlock(&rwlock); |
58 | printf("cpu%d, tid %d: success\n", CPU->id, THREAD->tid); |
55 | printf("cpu%d, tid %d: success\n", CPU->id, THREAD->tid); |
59 | - | ||
60 | printf("Test passed.\n"); |
- | |
61 | - | ||
62 | } |
56 | } |
63 | 57 | ||
64 | static void failed(void) |
- | |
65 | { |
- | |
66 | printf("Test failed prematurely.\n"); |
- | |
67 | thread_exit(); |
- | |
68 | } |
- | |
69 | - | ||
70 | void test_rwlock3(void) |
58 | char * test_rwlock3(void) |
71 | { |
59 | { |
72 | int i; |
60 | int i; |
73 | thread_t *thrd; |
61 | thread_t *thrd; |
74 | 62 | ||
75 | printf("Read/write locks test #3\n"); |
- | |
76 | - | ||
77 | rwlock_initialize(&rwlock); |
63 | rwlock_initialize(&rwlock); |
78 | - | ||
79 | rwlock_write_lock(&rwlock); |
64 | rwlock_write_lock(&rwlock); |
80 | 65 | ||
81 | for (i=0; i<4; i++) { |
66 | for (i = 0; i < 4; i++) { |
82 | thrd = thread_create(reader, NULL, TASK, 0, "reader"); |
67 | thrd = thread_create(reader, NULL, TASK, 0, "reader"); |
83 | if (thrd) |
68 | if (thrd) |
84 | thread_ready(thrd); |
69 | thread_ready(thrd); |
85 | else |
70 | else |
86 | failed(); |
71 | printf("Could not create reader %d\n", i); |
87 | } |
72 | } |
88 | 73 | ||
89 | - | ||
90 | thread_sleep(1); |
74 | thread_sleep(1); |
91 | 75 | ||
92 | rwlock_write_unlock(&rwlock); |
76 | rwlock_write_unlock(&rwlock); |
- | 77 | ||
- | 78 | return NULL; |
|
93 | } |
79 | } |