wibo/dll/kernel32/ioapiset.cpp

45 lines
1.2 KiB
C++

#include "ioapiset.h"
#include "context.h"
#include "errors.h"
#include "overlapped_util.h"
#include "synchapi.h"
namespace kernel32 {
BOOL WIN_FUNC GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped, LPDWORD lpNumberOfBytesTransferred,
BOOL bWait) {
HOST_CONTEXT_GUARD();
DEBUG_LOG("GetOverlappedResult(%p, %p, %p, %d)\n", hFile, lpOverlapped, lpNumberOfBytesTransferred, bWait);
(void)hFile;
if (!lpOverlapped) {
wibo::lastError = ERROR_INVALID_PARAMETER;
return FALSE;
}
if (bWait && lpOverlapped->Internal == STATUS_PENDING &&
kernel32::detail::shouldSignalOverlappedEvent(lpOverlapped)) {
if (HANDLE waitHandle = kernel32::detail::normalizedOverlappedEventHandle(lpOverlapped)) {
WaitForSingleObject(waitHandle, INFINITE);
}
}
const auto status = static_cast<NTSTATUS>(lpOverlapped->Internal);
if (status == STATUS_PENDING) {
wibo::lastError = ERROR_IO_INCOMPLETE;
return FALSE;
}
if (lpNumberOfBytesTransferred) {
*lpNumberOfBytesTransferred = static_cast<DWORD>(lpOverlapped->InternalHigh);
}
DWORD error = wibo::winErrorFromNtStatus(status);
if (error == ERROR_SUCCESS) {
return TRUE;
}
wibo::lastError = error;
return FALSE;
}
} // namespace kernel32