fml::PlatformSemaphore Class Reference

Public Member Functions
	PlatformSemaphore (uint32_t count)
	~PlatformSemaphore ()
bool	IsValid () const
bool	Wait ()
bool	TryWait ()
void	Signal ()

Detailed Description

Definition at line 117 of file semaphore.cc.

Constructor & Destructor Documentation

PlatformSemaphore()

fml::PlatformSemaphore::PlatformSemaphore ( uint32_t  count )

inlineexplicit

Definition at line 119 of file semaphore.cc.

      : valid_(::sem_init(&sem_, 0 /* not shared */, count) == 0) {}

~PlatformSemaphore()

fml::PlatformSemaphore::~PlatformSemaphore ( )

inline

Definition at line 122 of file semaphore.cc.

                       {
    if (valid_) {
      int result = ::sem_destroy(&sem_);
      (void)result;
      // Can only be EINVAL which should not be possible since we checked for
      // validity.
      FML_DCHECK(result == 0);
    }
  }

Member Function Documentation

IsValid()

bool fml::PlatformSemaphore::IsValid ( ) const

inline

Definition at line 132 of file semaphore.cc.

{ return valid_; }

Signal()

void fml::PlatformSemaphore::Signal ( )

inline

Definition at line 150 of file semaphore.cc.

                {
    if (!valid_) {
      return;
    }
 
    ::sem_post(&sem_);
 
    return;
  }

TryWait()

bool fml::PlatformSemaphore::TryWait ( )

inline

Definition at line 142 of file semaphore.cc.

                 {
    if (!valid_) {
      return false;
    }
 
    return FML_HANDLE_EINTR(::sem_trywait(&sem_)) == 0;
  }

Wait()

bool fml::PlatformSemaphore::Wait ( )

inline

Definition at line 134 of file semaphore.cc.

              {
    if (!valid_) {
      return false;
    }
 
    return FML_HANDLE_EINTR(::sem_wait(&sem_)) == 0;
  }

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

• fml/synchronization/semaphore.cc