if (nbytes == 0)
return (0);
handle = (HANDLE)_get_osfhandle(fd);
- if (GetFileType(handle) == FILE_TYPE_PIPE) {
- DWORD sta;
- if (GetNamedPipeHandleState(
- handle, &sta, NULL, NULL, NULL, NULL, 0) != 0 &&
- (sta & PIPE_NOWAIT) == 0) {
- DWORD avail = -1;
- int cnt = 3;
-
- while (PeekNamedPipe(
- handle, NULL, 0, NULL, &avail, NULL) != 0 &&
- avail == 0 && --cnt)
- Sleep(100);
- if (avail == 0)
- return (0);
- }
- }
r = ReadFile(handle, buf, (uint32_t)nbytes,
&bytes_read, NULL);
if (r == 0) {