Rev 2927 | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 2927 | Rev 3191 | ||
---|---|---|---|
Line 48... | Line 48... | ||
48 | void condvar_initialize(condvar_t *cv) |
48 | void condvar_initialize(condvar_t *cv) |
49 | { |
49 | { |
50 | waitq_initialize(&cv->wq); |
50 | waitq_initialize(&cv->wq); |
51 | } |
51 | } |
52 | 52 | ||
53 | /** |
- | |
54 | * Signal the condition has become true |
53 | /** Signal the condition has become true to the first waiting thread by waking |
55 | * to the first waiting thread by waking it up. |
54 | * it up. |
56 | * |
55 | * |
57 | * @param cv Condition variable. |
56 | * @param cv Condition variable. |
58 | */ |
57 | */ |
59 | void condvar_signal(condvar_t *cv) |
58 | void condvar_signal(condvar_t *cv) |
60 | { |
59 | { |
61 | waitq_wakeup(&cv->wq, WAKEUP_FIRST); |
60 | waitq_wakeup(&cv->wq, WAKEUP_FIRST); |
62 | } |
61 | } |
63 | 62 | ||
64 | /** |
- | |
65 | * Signal the condition has become true |
63 | /** Signal the condition has become true to all waiting threads by waking |
66 | * to all waiting threads by waking them up. |
64 | * them up. |
67 | * |
65 | * |
68 | * @param cv Condition variable. |
66 | * @param cv Condition variable. |
69 | */ |
67 | */ |
70 | void condvar_broadcast(condvar_t *cv) |
68 | void condvar_broadcast(condvar_t *cv) |
71 | { |
69 | { |
Line 77... | Line 75... | ||
77 | * @param cv Condition variable. |
75 | * @param cv Condition variable. |
78 | * @param mtx Mutex. |
76 | * @param mtx Mutex. |
79 | * @param usec Timeout value in microseconds. |
77 | * @param usec Timeout value in microseconds. |
80 | * @param flags Select mode of operation. |
78 | * @param flags Select mode of operation. |
81 | * |
79 | * |
82 | * For exact description of meaning of possible combinations |
80 | * For exact description of meaning of possible combinations of usec and flags, |
83 | * of usec and flags, see comment for waitq_sleep_timeout(). |
81 | * see comment for waitq_sleep_timeout(). Note that when |
84 | * Note that when SYNCH_FLAGS_NON_BLOCKING is specified here, |
82 | * SYNCH_FLAGS_NON_BLOCKING is specified here, ESYNCH_WOULD_BLOCK is always |
85 | * ESYNCH_WOULD_BLOCK is always returned. |
83 | * returned. |
86 | * |
84 | * |
87 | * @return See comment for waitq_sleep_timeout(). |
85 | * @return See comment for waitq_sleep_timeout(). |
88 | */ |
86 | */ |
89 | int _condvar_wait_timeout(condvar_t *cv, mutex_t *mtx, uint32_t usec, int flags) |
87 | int _condvar_wait_timeout(condvar_t *cv, mutex_t *mtx, uint32_t usec, int flags) |
90 | { |
88 | { |