Ase::ScopedSemaphore Class Reference

Public Member Functions
	ScopedSemaphore () noexcept
	Create a process-local semaphore.
int	post () noexcept
	Unlock ScopedSemaphore.
int	wait () noexcept
	Wait indefinitely for ScopedSemaphore.
int	wait_for (uint64_t useconds) noexcept
	Wait for ScopedSemaphore with timeout (microseconds).
	~ScopedSemaphore () noexcept
	Release associated semaphore resources.

Detailed Description

Definition at line 104 of file platform.hh.

Constructor & Destructor Documentation

ScopedSemaphore()

Ase::ScopedSemaphore::ScopedSemaphore ( )

explicitnoexcept

Create a process-local semaphore.

A RAII wrapper around POSIX unnamed semaphores for thread synchronization.

Definition at line 853 of file platform.cc.

References assert_return, and sem_init().

~ScopedSemaphore()

Ase::ScopedSemaphore::~ScopedSemaphore ( )

noexcept

Release associated semaphore resources.

Definition at line 900 of file platform.cc.

References assert_return, and sem_destroy().

Member Function Documentation

post()

int Ase::ScopedSemaphore::post ( )

noexcept

Unlock ScopedSemaphore.

Post (increment) the semaphore value,.

Returns

0 on success

Definition at line 863 of file platform.cc.

References errno(), and sem_post().

wait()

int Ase::ScopedSemaphore::wait ( )

noexcept

Wait indefinitely for ScopedSemaphore.

Wait indefinitely for the semaphore to become available,.

Returns

0 on success

Definition at line 873 of file platform.cc.

References errno(), and sem_wait().

wait_for()

int Ase::ScopedSemaphore::wait_for ( uint64_t  useconds )

noexcept

Wait for ScopedSemaphore with timeout (microseconds).

Wait for the semaphore with a timeout in µseconds,.

Returns

0 on success

Definition at line 883 of file platform.cc.

References errno(), long, sem_timedwait(), time_t, Ase::timestamp_realtime(), and uint64_t.

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

• ase/platform.hh
• ase/platform.cc