// sercx.h

typedef enum _SERCX_STATUS {
  SerCxStatusSuccess,
  SerCxStatusCancelled,
  SerCxStatusTimeout
} SERCX_STATUS, *PSERCX_STATUS;
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Windows Driver Kit DDI reference (ne-sercx-_sercx_status)

_SERCX_STATUS enumeration

Description

The SERCX_STATUS enumeration indicates the status of a serial receive or transmit operation.

Constants

`SerCxStatusSuccess`

The operation is proceeding successfully.

`SerCxStatusCancelled`

The operation was canceled.

`SerCxStatusTimeout`

The operation timed out. This enumeration value applies only to read interval time-outs for receive operations. For more information, see the description of the ReadIntervalTimeout member in SERIAL_TIMEOUTS.

Remarks

The SerCxProgressReceive and SerCxProgressTransmit methods have parameters that are SERCX_STATUS enumeration values.

SERCX_STATUS - NtDoc