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# tbb::spin_rw_mutex_v3 Class Reference
[Synchronization]

Fast, unfair, spinning reader-writer lock with backoff and writer-preference. More...

`#include <spin_rw_mutex.h>`

List of all members.

## Public Member Functions
| spin_rw_mutex_v3 ()
| Construct unacquired mutex.
| ~spin_rw_mutex_v3 ()
| Destructor asserts if the mutex is acquired, i.e. state is zero.
void | lock ()
| Acquire writer lock.
bool | try_lock ()
| Try acquiring writer lock (non-blocking).
void | unlock ()
| Release lock.
void | lock_read ()
| Acquire reader lock.
bool | try_lock_read ()
| Try acquiring reader lock (non-blocking).
## Static Public Attributes
static const bool | is_rw_mutex = true
static const bool | is_recursive_mutex = false
static const bool | is_fair_mutex = false
## Classes
class | scoped_lock
| The scoped locking pattern. More...

## Detailed Description

Fast, unfair, spinning reader-writer lock with backoff and writer-preference.

## Member Function Documentation

bool tbb::spin_rw_mutex_v3::try_lock | ( |  | ) | `[inline]`

Try acquiring writer lock (non-blocking).

Return true if lock acquired; false otherwise.

bool tbb::spin_rw_mutex_v3::try_lock_read | ( |  | ) | `[inline]`

Try acquiring reader lock (non-blocking).

Return true if reader lock acquired; false otherwise.

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

- spin_rw_mutex.h

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