WaitableMutex Class Reference

Inheritance diagram for WaitableMutex:

Public Member Functions
void	unlock ()
template<typename Wait >
void	wait (Wait wfunc)

Private Types
using	Lot = ParkingLot< std::function< bool(void)>>

Static Private Attributes
static Lot	lot

Detailed Description

Definition at line 73 of file ParkingLotTest.cpp.

Member Typedef Documentation

using WaitableMutex::Lot = ParkingLot<std::function<bool(void)>>

private

Definition at line 74 of file ParkingLotTest.cpp.

Member Function Documentation

void WaitableMutex::unlock ( )

inline

Definition at line 78 of file ParkingLotTest.cpp.

References folly::RemoveBreak, folly::RemoveContinue, uint64_t, and folly::ParkingLot< Data >::unpark().

                {
    bool unparked = false;
    lot.unpark(uint64_t(this), [&](std::function<bool(void)> wfunc) {
      if (wfunc()) {
        unparked = true;
        return UnparkControl::RemoveBreak;
      } else {
        return UnparkControl::RemoveContinue;
      }
    });
    if (!unparked) {
      std::mutex::unlock();
    }
    // Otherwise, we pass mutex directly to waiter without needing to unlock.
  }

template<typename Wait >

void WaitableMutex::wait ( Wait  wfunc )

inline

Definition at line 95 of file ParkingLotTest.cpp.

References lot, folly::ParkingLot< Data >::park(), and uint64_t.

Referenced by TEST().

                        {
    lot.park(
        uint64_t(this),
        wfunc,
        [&]() { return !wfunc(); },
        [&]() { std::mutex::unlock(); });
  }

Member Data Documentation

WaitableMutex::Lot WaitableMutex::lot

staticprivate

Definition at line 75 of file ParkingLotTest.cpp.

Referenced by wait().

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The documentation for this class was generated from the following file:

• proxygen/folly/folly/synchronization/test/ParkingLotTest.cpp