Enables a specific interrupt level which must have an interrupt handler assigned to it.

BOOLEAN EnableRtInterrupt (
    WORD wLevel
);

Parameters

wLevel

Encoded interrupt level

Return Values

TRUE

Success

FALSE

To determine the status, call GetLastRtError

Status

E_CONTEXT 0x0005

One or more of these conditions exist:

• A non-interrupt thread tried to enable an already-enabled level.
• The specified level has no interrupt handler assigned.
• An interrupt overflow on the specified level exists.

E_PARAM 0x8004

wLevel contains an invalid value.

Requirements