The scoped locking pattern. More...
#include <queuing_rw_mutex.h>
Inheritance diagram for tbb::queuing_rw_mutex::scoped_lock:
Public Member Functions | |
| scoped_lock () | |
| Construct lock that has not acquired a mutex. More... | |
| scoped_lock (queuing_rw_mutex &m, bool write=true) | |
| Acquire lock on given mutex. | |
| ~scoped_lock () | |
| Release lock (if lock is held). | |
| void | acquire (queuing_rw_mutex &m, bool write=true) |
| Acquire lock on given mutex. | |
| bool | try_acquire (queuing_rw_mutex &m, bool write=true) |
| Acquire lock on given mutex if free (i.e. non-blocking) | |
| void | release () |
| Release lock. | |
| bool | upgrade_to_writer () |
| Upgrade reader to become a writer. More... | |
| bool | downgrade_to_reader () |
| Downgrade writer to become a reader. | |
Detailed Description
The scoped locking pattern.
It helps to avoid the common problem of forgetting to release lock. It also nicely provides the "node" for queuing locks.
Constructor & Destructor Documentation
§ scoped_lock()
|
inline |
Construct lock that has not acquired a mutex.
Equivalent to zero-initialization of *this.
Member Function Documentation
§ upgrade_to_writer()
| bool tbb::queuing_rw_mutex::scoped_lock::upgrade_to_writer | ( | ) |
Upgrade reader to become a writer.
Returns whether the upgrade happened without releasing and re-acquiring the lock
The documentation for this class was generated from the following file:
- external/tbb/include/tbb/queuing_rw_mutex.h
