创建线程被警告

2003-12-21 04:50:16 55 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

【算法】—前缀和与差分详解前缀和指一个数组的某下标之前的所有数组元素的和（即数列的前n项求和），前缀和是一种重要的预处理，能够降低算法的时间复杂度，可以快速地求出某一段的和，对于处理区间之间的问题是往往十分高效相比较其他算法而言，前缀和更像是一种解题的技巧，一种优化方式输入一个长度为 n 的整数序列。接下来再输入 m 个询问，每个询问输入一对 l,r 对于每个询问，输出原序列中从第 l 个数到第 r 个数的和5 32 1 3 6 41 21 32 4123453610。阅读详情

我在程序多线程程序中创建线程时，BoundsChecker给了我如下警告：
*********************************************************************
Description：

A thread, which makes calls to one or more run-time library functions, was created using CreateThread. A thread that uses functions from the C run-time libraries should use the _beginthread and _endthread C run-time functions for thread management rather than CreateThread and ExitThread. Failure to do so results in small memory leaks when ExitThread is called.

Note:
If the run-time library is statically linked and the module lacks debug info, it may not be possible for the call to _beginthread to be detected and this error is reported. In this situation, the error can be safely suppressed.

Sample Code：

...
DWORD WINAPI aThread(void *arg)
{
char *a = malloc (10);
free (a);
ExitThread(0);
}

void main()
{
int i;
DWORD id;
HANDLE hThread2[NUM_THREAD];

for (i = 0; i < NUM_THREAD; i++)
{
hThread2[i] = CreateThread(NULL, 0, aThread, NULL, 0, &id);
}

WaitForMultipleObjects(NUM_THREAD, hThread2, TRUE, INFINITE);

for (i = 0; i < NUM_THREAD; i++)
{
CloseHandle(hThread2[i]);
}
}
...

Repair

Use the C run-time functions _beginthread and _endthread to create and destroy threads, which use functions from the C run-time libraries.
*********************************************************************

我用的是::AfxBeginThread()函数创建线程的，请问上面的Description是什么意思？

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