tbb::spin_mutex Class Reference
[Synchronization]

A lock that occupies a single byte. More...

#include <spin_mutex.h>

List of all members.

Public Member Functions
	spin_mutex ()
	Construct unacquired lock.
void __TBB_EXPORTED_METHOD	internal_construct ()
void	lock ()
	Acquire lock.
bool	try_lock ()
	Try acquiring lock (non-blocking).
void	unlock ()
	Release lock.
Static Public Attributes
static const bool	is_rw_mutex = false
static const bool	is_recursive_mutex = false
static const bool	is_fair_mutex = false
Friends
class	scoped_lock
Classes
class	scoped_lock
	Represents acquisition of a mutex. More...

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Detailed Description

A lock that occupies a single byte.

A spin_mutex is a spin mutex that fits in a single byte. It should be used only for locking short critical sections (typically <20 instructions) when fairness is not an issue. If zero-initialized, the mutex is considered unheld.

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Constructor & Destructor Documentation

tbb::spin_mutex::spin_mutex

(

)

[inline]

Construct unacquired lock.

Equivalent to zero-initialization of *this.

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Member Function Documentation

bool tbb::spin_mutex::try_lock

(

)

[inline]

Try acquiring lock (non-blocking).

Return true if lock acquired; false otherwise.

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

• spin_mutex.h

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