Windows system calls semaphore semaphore

1#include"iostream"2#include"windows.h"3#include"CString"4 using namespacestd;5 6HANDLE g_hsemthreads=Invalid_handle_value;7 8 StaticDWORD WINAPI ThreadProc (lpvoid lpparam) {9LONG npausems=reinterpret_cast<long>(Lpparam);Ten Sleep (npausems); One  A     if(g_hsemthreads!=Invalid_handle_value) { -LONG NPREVCT (0); -  the         if(ReleaseSemaphore ( - G_hsemthreads, -             1, -&NPREVCT +             )){ -printf"%d msec thread ended, slots left:%d\n", npausems,nprevct+1); +         } A     } at  -     return(0); - } -  -  -  in voidMain () { -g_hsemthreads=CreateSemaphore ( to NULL, +         5, -         5, the NULL *         ); $      for(intNtotal= -;ntotal>0; ntotal-=2){Panax Notoginseng WaitForSingleObject (g_hsemthreads,infinite); -LONG npausems=ntotal*5; the  +HANDLE hthread=CreateThread ( A NULL, the             0, + ThreadProc, -Reinterpret_cast<lpvoid>(Npausems), $             0, $ NULL -             ); -  theprintf"In the %d msec a thread is creates \ n", npausems); - CloseHandle (hthread);WuyiHthread=Invalid_handle_value; the     } -  Wu CloseHandle (g_hsemthreads); -g_hsemthreads=Invalid_handle_value; About GetChar (); $}