std::recursive_mutex::unlock
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<metanoindex/>
<tbody> </tbody> void unlock(); |
(desde C++11) | |
Destrave o mutex.
Original:
Unlocks the mutex.
The text has been machine-translated via Google Translate.
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Parâmetros
(Nenhum)
Original:
(none)
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Valor de retorno
(Nenhum)
Original:
(none)
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Exceções
| Esta seção está incompleta |
Exemplo
Este exemplo mostra try_lock bloquear e desbloquear em ação
Original:
This example shows lock, try_lock and unlock in action
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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#include <iostream>
#include <mutex>
int main()
{
std::mutex test;
if (test.try_lock()==true)
std::cout << "lock acquired" << std::endl;
else
std::cout << "lock not acquired" << std::endl;
test.unlock(); //now unlock the mutex
test.lock(); //to lock it again
if (test.try_lock()) //true can be left out
std::cout << "lock acquired" << std::endl;
else
std::cout << "lock not acquired" << std::endl;
test.lock(); //and now the finale (a block)
}
Saída:
lock acquired
lock not acquired
(program hangs)
Veja também
bloqueia o mutex, blocos se o mutex não está disponível Original: locks the mutex, blocks if the mutex is not available The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) | |
tenta bloquear o mutex, retorna se o mutex não está disponível Original: tries to lock the mutex, returns if the mutex is not available The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) | |