C语言 Windows 中的睡眠功能，使用 C
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Sleep function in Windows, using C
提问by RYN
I need to sleep my program in Windows. What header file has the sleep function?
我需要在 Windows 中休眠我的程序。什么头文件有睡眠功能？
回答by
Use:
用：
#include <windows.h>
Sleep(sometime_in_millisecs); // Note uppercase S
And here's a small example that compiles with MinGWand does what it says on the tin:
这是一个使用MinGW编译的小例子，并按照它在罐头上所说的做：
#include <windows.h>
#include <stdio.h>
int main() {
printf( "starting to sleep...\n" );
Sleep(3000); // Sleep three seconds
printf("sleep ended\n");
}
回答by Oleg
SleepExfunction (see http://msdn.microsoft.com/en-us/library/ms686307.aspx) is the best choise if your program directly or indirectly creates windows (for example use some COM objects). In the simples cases you can also use Sleep.
SleepEx如果您的程序直接或间接创建窗口（例如使用某些 COM 对象），则函数（请参阅http://msdn.microsoft.com/en-us/library/ms686307.aspx）是最佳选择。在简单的情况下，您也可以使用Sleep.
回答by user2876907
Include the following function at the start of your code, whenever you want to busy wait. This is distinct from sleep, because the process will be utilizing 100% cpu while this function is running.
每当您想忙等待时，请在代码的开头包含以下函数。这与睡眠不同，因为在此函数运行时，进程将使用 100% 的 CPU。
void sleep(unsigned int mseconds)
{
clock_t goal = mseconds + clock();
while (goal > clock())
;
}
Note that the name sleepfor this function is misleading, since the CPU will not be sleeping at all.
请注意，sleep此函数的名称具有误导性，因为 CPU 根本不会休眠。
