tracktion_Semaphore.h

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 /*
    ,--.                     ,--.     ,--.  ,--.
  ,-'  '-.,--.--.,--,--.,---.|  |,-.,-'  '-.`--' ,---. ,--,--,      Copyright 2024
  '-.  .-'|  .--' ,-.  | .--'|     /'-.  .-',--.| .-. ||      \   Tracktion Software
    |  |  |  |  \ '-'  \ `--.|  \  \  |  |  |  |' '-' '|  ||  |       Corporation
    `---' `--'   `--`--'`---'`--'`--' `---' `--' `---' `--''--'    www.tracktion.com
 
    Tracktion Engine uses a GPL/commercial licence - see LICENCE.md for details.
*/
 
#pragma once
 
namespace moodycamel
{
    class LightweightSemaphore;
    namespace details { class Semaphore; }
}
 
namespace tracktion { inline namespace graph
{
 
//==============================================================================
//==============================================================================
class Semaphore
{
public:
    //==============================================================================
    Semaphore (int initialCount = 0);
 
    ~Semaphore();
 
    bool wait();
 
    bool try_wait();
 
    bool timed_wait (std::uint64_t usecs);
 
    void signal (int count = 1);
 
private:
    //==============================================================================
    std::unique_ptr<moodycamel::details::Semaphore> pimpl;
 
    Semaphore(const Semaphore&) = delete;
    Semaphore& operator= (const Semaphore& other) = delete;
};
 
 
//==============================================================================
//==============================================================================
class LightweightSemaphore
{
public:
    //==============================================================================
    LightweightSemaphore (int initialCount = 0);
 
    ~LightweightSemaphore();
 
    bool wait();
 
    bool try_wait();
 
    bool timed_wait (std::uint64_t usecs);
 
    void signal (int count = 1);
 
private:
    //==============================================================================
    std::unique_ptr<moodycamel::LightweightSemaphore> pimpl;
 
    LightweightSemaphore(const LightweightSemaphore&) = delete;
    LightweightSemaphore& operator= (const LightweightSemaphore& other) = delete;
};
 
 
}} // namespace tracktion_engine