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Docs » Autodocs » dos.library » ChangeMode

NAME

	ChangeMode - Change the current mode of a lock or filehandle (V36)

SYNOPSIS

	success = ChangeMode(type, object, newmode)
D0 D1 D2 D3
BOOL ChangeMode(ULONG, BPTR, ULONG)

FUNCTION

	This allows you to attempt to change the mode in use by a lock or
filehandle. For example, you could attempt to turn a shared lock
into an exclusive lock. The handler may well reject this request.
Warning: if you use the wrong type for the object, the system may
crash.

INPUTS

	type    - Either CHANGE_FH or CHANGE_LOCK
object - A lock or filehandle
newmode - The new mode you want

RESULT

	success - Boolean

BUGS

	Did not work in 2.02 or before (V36).  Works in V37.  In the
earlier versions, it can crash the machine.

SEE ALSO

Lock(), Open()

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