CONFIGMG_Disable_DevNode

CONFIGRET CONFIGMG_Disable_DevNode(DEVNODE dnDevNode, ULONG ulFlags)

Disables a device node.

• Returns CR_SUCCESS if the function is successful. Otherwise, the return value can be CR_INVALID_FLAG, CR_NOT_DISABLEABLE, CR_INVALID_DEVNODE or CR_NOT_SYSTEM_VM.

dnDevNode

Handle of a device node.

ulFlags

Must be either CM_DISABLE_POLITE (where we ask the driver and give it a chance to stop) or CM_DISABLE_ABSOLUTE (where the driver will be stop even if it does not support stopping).

This function increments a counting semaphore. Any attempt to disable the device node increments the semaphore. The function return CR_NOT_DISABLEABLE if the devnode does not have the DN_DISABLEABLE flag set or failed the CONFIG_TEST/CONFIG_TEST_CAN_STOP message.

See also CONFIGMG_Enable_DevNode