createthread与_beginthread的区别（The difference between createthread and _beginthread）.docVIP

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createthread与_beginthread的区别（The difference between createthread and _beginthread）.doc

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createthread与_beginthread的区别（The difference between createthread and _beginthread）

createthread与_beginthread的区别（The difference between createthread and _beginthread） For example, if you use _beginthread, you cant create new threads with security attributes, you cannot create a suspended thread, and you cannot get the ID value of the thread. The following excerpt from the Holly () post in Csdn explains, thanks again. Source: /t10/31810.html Holly (): Oldworm provides good examples of use, and also uses compiler control! Let me explain the difference in theory: CreateThread, _beginthread and _beginthreadex are used to start a thread, but we see that oldworm does not provide _beginthread way, the reason is very simple, _beginthread is a subset of _beginthreadex, although _beginthread is internal call _beginthreadex but he blocked security features such as function, so _beginthread and CreateThread are not the same level, _beginthreadex and CreateThread can replace completely in the the function, we have to compare _beginthreadex and CreateThread! CRTs function library already exists before the thread appears, so the original CRT cant really support the thread, which leads us to have the choice of the CRT library when programming, and when we check the function of CRT in MSDN: Libraries LIBC.LIB, Single, thread, static, library, retail, version LIBCMT.LIB, Multithread, static, library, retail, version MSVCRT.LIB, Import, library, for, MSVCRT.DLL, retail, version Such a hint! Support for threads is a thing of the past! This also leads to many CRT functions that must have special support in multithreaded situations and cannot simply use CreateThread on OK. Most of the CRT functions can be used in CreateThread threads, and the data says that only the signal () function does not, and will cause the process to terminate! But it does not mean there is no problem! Some functions like malloc (CRT), fopen (), _open (), strtok (), CTime (), or Localtime () function to thread local storage specific data block, the data block usually need to be establis