Namespaces
Variants
Views
Actions

std::unique_lock::try_lock

From cppreference.com
< cpp‎ | thread‎ | unique lock
Revision as of 18:46, 2 November 2012 by P12bot (Talk | contribs)

 
 
Thread support library
Threads
(C++11)
this_thread namespace
(C++11)
(C++11)
(C++11)
Mutual exclusion
(C++11)
Generic lock management
(C++11)
(C++11)
(C++11)
(C++11)(C++11)(C++11)
(C++11)
(C++11)
Condition variables
(C++11)
Futures
(C++11)
(C++11)
(C++11)
(C++11)
 
 

Template:ddcl list begin <tr class="t-dcl ">

<td >
bool try_lock();
</td>

<td class="t-dcl-nopad"> </td> <td > (since C++11) </td> </tr> Template:ddcl list end

Tries to lock the associated mutex without blocking. Effectively calls mutex()->try_lock().

std::system_error is thrown if there is no associated mutex or if the mutex is already locked.

Contents

Parameters

(none)

Return value

true if the ownership of the mutex has been acquired successfully, false otherwise.

Exceptions

  • Any exceptions thrown by mutex()->try_lock()

Example

See also

locks the associated mutex
(public member function) [edit]
attempts to lock the associated TimedLockable mutex, returns if the mutex has been unavailable for the specified time duration
(public member function) [edit]
tries to lock the associated TimedLockable mutex, returns if the mutex has been unavailable until specified time point has been reached
(public member function) [edit]
unlocks the associated mutex
(public member function) [edit]