43c5289928
* Addes WINPR_ASSERT on many occations * Replaced memset with array initializer * Replaced ZeroMemory with array initializer
71 lines
1.3 KiB
C
71 lines
1.3 KiB
C
|
|
#include <winpr/crt.h>
|
|
#include <winpr/comm.h>
|
|
#include <winpr/file.h>
|
|
#include <winpr/synch.h>
|
|
#include <winpr/handle.h>
|
|
|
|
int TestCommMonitor(int argc, char* argv[])
|
|
{
|
|
HANDLE hComm;
|
|
DWORD dwError;
|
|
BOOL fSuccess;
|
|
DWORD dwEvtMask;
|
|
OVERLAPPED overlapped = { 0 };
|
|
LPCSTR lpFileName = "\\\\.\\COM1";
|
|
|
|
hComm = CreateFileA(lpFileName, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
|
|
FILE_FLAG_OVERLAPPED, NULL);
|
|
|
|
if (!hComm || (hComm == INVALID_HANDLE_VALUE))
|
|
{
|
|
printf("CreateFileA failure: %s\n", lpFileName);
|
|
return -1;
|
|
}
|
|
|
|
fSuccess = SetCommMask(hComm, EV_CTS | EV_DSR);
|
|
|
|
if (!fSuccess)
|
|
{
|
|
printf("SetCommMask failure: GetLastError() = %" PRIu32 "\n", GetLastError());
|
|
return -1;
|
|
}
|
|
|
|
if (!(overlapped.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL)))
|
|
{
|
|
printf("CreateEvent failed: GetLastError() = %" PRIu32 "\n", GetLastError());
|
|
return -1;
|
|
}
|
|
|
|
if (WaitCommEvent(hComm, &dwEvtMask, &overlapped))
|
|
{
|
|
if (dwEvtMask & EV_DSR)
|
|
{
|
|
printf("EV_DSR\n");
|
|
}
|
|
|
|
if (dwEvtMask & EV_CTS)
|
|
{
|
|
printf("EV_CTS\n");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
dwError = GetLastError();
|
|
|
|
if (dwError == ERROR_IO_PENDING)
|
|
{
|
|
printf("ERROR_IO_PENDING\n");
|
|
}
|
|
else
|
|
{
|
|
printf("WaitCommEvent failure: GetLastError() = %" PRIu32 "\n", dwError);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
CloseHandle(hComm);
|
|
|
|
return 0;
|
|
}
|