C++ CreateThread() 奇怪的错误
C++ CreateThread() strange error
我尝试在我的应用程序中使用 CreateThread() 函数,但我得到奇怪的错误,确切地说:
error: invalid conversion from 'DWORD (__ attribute__((__ stdcall__)) *)() {aka long unsigned int (__ attribute__((__ stdcall__)) *)()}' to 'LPTHREAD_START_ROUTINE {aka long unsigned int (__ attribute__((__ stdcall__)) *)(void*)}' [-fpermissive]
和
In file included from c:program files (x86)codeblocksmingwbin../lib/gcc/mingw32/4.7.1/../../../../include/windows.h:50:0,
from c:program files (x86)codeblocksmingwbin../lib/gcc/mingw32/4.7.1/../../../../include/winsock2.h:22,
from c:program files (x86)codeblocksmingwbin../lib/gcc/mingw32/4.7.1/../../../../include/ws2tcpip.h:19,
from include/WinSockClass.hpp:3,
from C:UsersJakubDesktopofflineServermain.cpp:15:
c:program files (x86)codeblocksmingwbin../lib/gcc/mingw32/4.7.1/../../../../include/winbase.h:1423:26: error: initializing argument 3 of 'void* CreateThread(LPSECURITY_ATTRIBUTES, DWORD, LPTHREAD_START_ROUTINE, PVOID, DWORD, PDWORD)' [-fpermissive]
第二条指示线
WINBASEAPI HANDLE WINAPI CreateThread(LPSECURITY_ATTRIBUTES,DWORD,LPTHREAD_START_ROUTINE,PVOID,DWORD,PDWORD);
在winbase.h中,我不明白发生了什么,在示例中是同一件事,但没有错误。我做错了什么?
法典:
#include <iostream>
#include <windows.h>
using namespace std;
int a()
{
cout << "work";
return 0;
}
int main(int argc, char **argv)
{
CreateThread(NULL,0,a,NULL,0,NULL);
return 0;
}
好吧,是我的错,那行得通
#include <iostream>
#include <windows.h>
using namespace std;
DWORD WINAPI a(LPVOID lpParameter)
{
cout << "work";
return 0;
}
int main(int argc, char **argv)
{
CreateThread(NULL,0,a,NULL,0,NULL);
return 0;
}
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