SetConsoleCtrlHandler로 등록한 CtrlCHandler 함수에서 CloseHandle 호출이 잘 안 됩니다.

#include <windows.h>
#include <stdio.h>
#include <tchar.h>
#include <signal.h>
 
 
#define _In_
 
HANDLE pipeHandle;
BOOL WINAPI CtrlCHandler(_In_ DWORD dwCtrlType)
{
	BOOL how=FALSE;
	switch(dwCtrlType) {
		case CTRL_C_EVENT:
			_tprintf(_T("CTRL_C_EVENT\n"));
			how=TRUE;
			CloseHandle(pipeHandle);//이 부분에서 멈춰버립니다.
			printf("CTRL_C_EVENT\n");
			break;
	}
	return how;
}
 
BOOL WINAPI DisconnectHandler(_In_ DWORD dwCtrlType) {
	switch(dwCtrlType) {
		case CTRL_C_EVENT:
			DisconnectNamedPipe(pipeHandle);
			break;
	}
	return FALSE;
}
int main() {
 
	SECURITY_ATTRIBUTES sec;
	sec.lpSecurityDescriptor=NULL;
	sec.nLength=sizeof(sec);
	sec.bInheritHandle=TRUE;
 
 
AllocConsole();
freopen("CONOUT$", "wt", stdout);
printf("시작\n");
 
 
 
	pipeHandle=CreateNamedPipe(_T("\\\\.\\Pipe\\testpipe"), PIPE_ACCESS_OUTBOUND, PIPE_TYPE_BYTE /*PIPE_TYPE_MESSAGE*/ |  PIPE_WAIT , PIPE_UNLIMITED_INSTANCES, 1024, 1024, NMPWAIT_USE_DEFAULT_WAIT, NULL);
 
 
 
	if(pipeHandle==INVALID_HANDLE_VALUE) {
		_tprintf(_T("CreateNamedPipe's falied.  GetLastError's returned %u.\n"), GetLastError());
        printf("CreateNamedPipe's falied.  GetLastError's returned %u.\n");
		return 0;
	}
 
 
 
	SetConsoleCtrlHandler(CtrlCHandler, TRUE);
	//signal(SIGINT,  CtrlCHandler);
 
    while(1)
    {
            printf("loop\n");
            Sleep(1000);
    }
 
	//이하 생략
	return 0;
}