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Implemented timed-out non-overlapped ReadFile.

This commit is contained in:
Mike McCormack 2001-12-19 18:48:29 +00:00 committed by Alexandre Julliard
parent 690d24f28e
commit 27cf4a41c2
1 changed files with 29 additions and 0 deletions
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29
files/file.c
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@ -1427,6 +1427,30 @@ BOOL WINAPI ReadFileEx(HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
return FILE_ReadFileEx(hFile,buffer,bytesToRead,overlapped,lpCompletionRoutine);
}
static VOID CALLBACK FILE_TimeoutComplete(DWORD status, DWORD count, LPOVERLAPPED ov)
{
NtSetEvent(ov->hEvent,NULL);
}
static BOOL FILE_TimeoutRead(HANDLE hFile, LPVOID buffer, DWORD bytesToRead, LPDWORD bytesRead)
{
OVERLAPPED ov;
BOOL r = FALSE;
TRACE("%d %p %ld %p\n", hFile, buffer, bytesToRead, bytesRead );
ZeroMemory(&ov, sizeof (OVERLAPPED));
if(STATUS_SUCCESS==NtCreateEvent(&ov.hEvent, SYNCHRONIZE, NULL, 0, 0))
{
if(ReadFileEx(hFile, buffer, bytesToRead, &ov, FILE_TimeoutComplete))
{
r = GetOverlappedResult(hFile, &ov, bytesRead, TRUE);
}
}
CloseHandle(ov.hEvent);
return r;
}
/***********************************************************************
* ReadFile (KERNEL32.@)
*/
@ -1485,6 +1509,11 @@ BOOL WINAPI ReadFile( HANDLE hFile, LPVOID buffer, DWORD bytesToRead,
case FD_TYPE_CONSOLE:
return ReadConsoleA(hFile, buffer, bytesToRead, bytesRead, NULL);
case FD_TYPE_TIMEOUT:
close(unix_handle);
return FILE_TimeoutRead(hFile, buffer, bytesToRead, bytesRead);
default:
/* normal unix files */
if (unix_handle == -1)