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:
Classes | |
| class | scoped_lock |
| The scoped locking pattern. More... | |
Public Member Functions | |
| spin_rw_mutex_v3 () | |
| Construct unacquired mutex. | |
| 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 Public Attributes | |
| static const bool | is_rw_mutex = true |
| static const bool | is_recursive_mutex = false |
| static const bool | is_fair_mutex = false |
Protected Types | |
| typedef intptr_t | state_t |
Protected Attributes | |
| state_t | state |
| State of lock. More... | |
Detailed Description
Fast, unfair, spinning reader-writer lock with backoff and writer-preference.
Member Function Documentation
§ try_lock()
|
inline |
Try acquiring writer lock (non-blocking)
Return true if lock acquired; false otherwise.
§ try_lock_read()
|
inline |
Try acquiring reader lock (non-blocking)
Return true if reader lock acquired; false otherwise.
Member Data Documentation
§ 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
The documentation for this class was generated from the following file:
- external/tbb/include/tbb/spin_rw_mutex.h
