Structure to hold device-specific state. More...

Data Fields
int32	nreaddevs

devref_t *	readdevs

devref_t	writedev

uint32	nopen

void *	retparam

int32	param_index

file_map_t *	filemap

void *	pSema
	Semaphore to protect concurrent calls.

Detailed Description

Structure to hold device-specific state.

Field Documentation

file_map_t* union_state_t::filemap

Mapping of known files to devices.

uint32 union_state_t::nopen

Number of files open on device.

int32 union_state_t::nreaddevs

Number of read-only base devices.

int32 union_state_t::param_index

Index of next parameter.

devref_t* union_state_t::readdevs

Read-only base devices.

void* union_state_t::retparam

Allocation to hold data returned by get_param()

devref_t union_state_t::writedev

Writable overlay device

The documentation for this struct was generated from the following file: