std::unique_lock::try_lock Member Function

Attempts to acquire a lock on the mutex associated with *this.

bool try_lock();

Preconditions:: this->mutex()!=NULL, this->owns_lock()==false.
Effects:: Calls this->mutex()->try_lock().
Returns:: true if the call to this->mutex()->try_lock() returned true, false otherwise.
Throws:: Any exceptions thrown by this->mutex()->try_lock(). std::system_error with an error code of std::errc::operation_not_permitted if this->mutex()==NULL. std::system_error with an error code of std::errc::resource_deadlock_would_occur if this->owns_lock()==true on entry.
Postcondition:: If the function returns true, this->owns_lock()==true, otherwise this->owns_lock()==false.

#include <mutex>

just::thread Complete C++ Standard Thread Library by Just Software Solutions