h6. [[DeviceFS]] h6(. » [[DeviceDriver_Entry]] h6((. » DeviceDriver_Entry 12 h2. DeviceDriver_Entry 12 h5. (SWI -) |_<^{width:4em}. Entry | | |<^. R0 |<^. 12 (Monitor TX) | |<^. R2 |<^. Device driver stream handle | |_<^{width:4em}. Exit | | |<^. VC, or VS and R0 |<^. Pointer to error block | h4. Use This entry point is called periodically by [[DeviceFS]] if a process has been blocking on your stream for some time, allowing devices to abort a blocking operation if there is an error with the device. h4. Notes The calls must be enabled by setting bit 2 of the flags word to [[DeviceFS_Register]]. h4. See also * [[DeviceFS]] * [[DeviceFS_Register]] * [[DeviceDriver_Entry]] * [[DeviceDriver_Entry 13|Monitor RX Entry Point]]