针对你遇到的错误“error: 'recursive_mutex' in namespace 'std' does not name a type”,我可以从以下几个方面进行分析和解答: 确认是否包含了正确的头文件: 确保你的代码中包含了必要的头文件。对于 std::recursive_mutex,你需要在代码中包含 <mutex> 头文件。例如:
Executing task:g++-g-o bin/debug.exe src/main.cpp C:\MinGW\lib\opencv\build\include/opencv2/core/utility.hpp:697:14:error:'recursive_mutex'innamespace'std'doesnotname a typetypedefstd::recursive_mutex Mutex;^~~~C:\MinGW\lib\opencv\build\include/opencv2/core/utility.hpp:697:9:note:'st...
Configure the Opencv with cmake-gui by using the module as stated in the first section i.e., (core, features2d, imgproc, imgcodecs build list) Compile thebuild/withmake -sand observe the same errors are received. Please note that the reason behind this error is know that the arm-none...
CRITICAL_SECTION对应std::mutex, EnterCriticalSection()对应lock(),LeaveCriticalSection()对应unlock()。 1#include <iostream>2#include <thread>3#include <list>4#include <mutex>5#include <Windows.h>67#define__WINDOWSJQ_89usingnamespacestd;1011classA12{13public:14//把收到的消息传入队列15voidinMsg...
Remarks If the calling thread already owns themutex, the function immediately returns true, and the previous lock remains in effect. Requirements Header:mutex Namespace:std See Also Reference recursive_mutex Class <mutex>
Namespace:std lock Blocks the calling thread until the thread obtains ownership of themutex. C++ voidlock(); Remarks If the calling thread already owns themutex, the method returns immediately, and the previous lock remains in effect.
Namespace:std recursive_mutex::lock Method Blocks the calling thread until the thread obtains ownership of themutex. c++複製 voidlock(); Remarks If the calling thread already owns themutex, the method returns immediately, and the previous lock remains in effect. ...
Represents a mutex type. In contrast tomutex, the behavior of calls to locking methods for objects that are already locked is well-defined. class recursive_mutex; Members Public Constructors Name Description recursive_mutex::recursive_mutex Constructor ...
马里兰大学的研究者结合ERP技术对此进行了深入研究，结果发表在Journal of the American Academy of Child ...
recursive_mutex::try_lock-Methode Versuche, Typ- Besitz der Mutex, ohne Blockierung. recursive_mutex::unlock-Methode Gibt den Besitz der Mutex frei. Anforderungen Header: Mutex Namespace: std Siehe auch Referenz <mutex> Weitere Ressourcen HeaderdateienDeutsch...