third-party/tbb/src/doc/html/a00155.html
Classes | Public Member Functions | Static Public Attributes | Protected Types | Protected Attributes | Static Protected Attributes | List of all members
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>
Inheritance diagram for tbb::spin_rw_mutex_v3:
|
|
| class | scoped_lock |
| | The scoped locking pattern. More...
|
| |
|
|
| | 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) More...
|
| |
| void | unlock () |
| | Release lock.
|
| |
| void | lock_read () |
| | Acquire reader lock.
|
| |
| bool | try_lock_read () |
| | Try acquiring reader lock (non-blocking) More...
|
| |
|
| | static const bool | is_rw_mutex = true | | | | static const bool | is_recursive_mutex = false | | | | static const bool | is_fair_mutex = false | | |
|
| | typedef intptr_t | state_t | | |
|
|
| state_t | state |
| | State of lock. More...
|
| |
|
| | static const state_t | WRITER = 1 | | | | static const state_t | WRITER_PENDING = 2 | | | | static const state_t | READERS = ~(WRITER | WRITER_PENDING) | | | | static const state_t | ONE_READER = 4 | | | | static const state_t | BUSY = WRITER | READERS | | |
Fast, unfair, spinning reader-writer lock with backoff and writer-preference.
|
| 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.
|
| state_t tbb::spin_rw_mutex_v3::state |
| protected |
State of lock.
Bit 0 = writer is holding lock Bit 1 = request by a writer to acquire lock (hint to readers to wait) Bit 2..N = number of readers holding lock
Referenced by tbb::spin_rw_mutex_v3::scoped_lock::release(), and unlock().
The documentation for this class was generated from the following file:
Copyright © 2005-2018 Intel Corporation. All Rights Reserved.
Intel, Pentium, Intel Xeon, Itanium, Intel XScale and VTune are registered trademarks or trademarks of Intel Corporation or its subsidiaries in the United States and other countries.
* Other names and brands may be claimed as the property of others.