Inside Macintosh: Files /

Chapter 2 - File Manager / File Manager Reference

Low-Level Volume Access Routines / Mounting and Unmounting Volumes

PBEject

When your application is finished with a volume, you can use the PBEject function to place the volume offline and eject it.

FUNCTION PBEject (paramBlock: ParmBlkPtr): OSErr;

paramBlock

A pointer to a basic File Manager parameter block.

-->	ioCompletion	ProcPtr	A pointer to a completion routine.
<--	ioResult	OSErr	The result code of the function.
-->	ioNamePtr	StringPtr	A pointer to a pathname.
-->	ioVRefNum	Integer	A volume specification.

DESCRIPTION

The PBEject function flushes the specified volume, places it offline, and then ejects
the volume.

ASSEMBLY-LANGUAGE INFORMATION

The trap macro for PBEject is _Eject. You can invoke the _Eject macro asynchro- nously; the first two parts of the call are executed synchronously, and the actual ejection is executed asynchronously.

RESULT CODES

noErr	0	No error
nsvErr	-35	No such volume
ioErr	-36	I/O error
bdNamErr	-37	Bad volume name
paramErr	-50	No default volume
nsDrvErr	-56	No such drive
extFSErr	-58	External file system