aboutsummaryrefslogtreecommitdiffstats
path: root/library/cpp/coroutine/engine/condvar.h
blob: 762939239955e9ee807674480b455dd9a64f0633 (plain) (blame)
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
#pragma once

#include "events.h"
#include "mutex.h"

class TContCondVar {
public:
    int WaitD(TCont* current, TContMutex* mutex, TInstant deadline) {
        mutex->UnLock();

        const int ret = WaitQueue_.WaitD(current, deadline);

        if (ret != EWAKEDUP) {
            return ret; 
        } 
 
        return mutex->LockD(current, deadline);
    }

    int WaitT(TCont* current, TContMutex* mutex, TDuration timeout) {
        return WaitD(current, mutex, timeout.ToDeadLine());
    }

    int WaitI(TCont* current, TContMutex* mutex) {
        return WaitD(current, mutex, TInstant::Max());
    }

    void Signal() noexcept {
        WaitQueue_.Signal();
    }

    void BroadCast() noexcept {
        WaitQueue_.BroadCast();
    }

private:
    TContWaitQueue WaitQueue_;
};