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fix doc omissions for filesystem-change-evt

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Closes PR 14191

Merge to v6.0
(cherry picked from commit 846df13567)
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Matthew Flatt 2013-11-23 20:03:16 -07:00 committed by Ryan Culpepper
parent b9fbadc907
commit b63bdeb75d
1 changed files with 12 additions and 4 deletions
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16
pkgs/racket-pkgs/racket-doc/scribblings/reference/filesystem.scrbl
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@ -519,6 +519,10 @@ synchronization} under other circumstances. For example, on
Windows, an event for a file becomes ready when any file changes
within in the same directory as the file.
After a @tech{filesystem change event} becomes @tech{ready for
synchronization}, it stays @tech{ready for synchronization}. The
event's @tech{synchronization result} is the event itself.
If the current platform does not support filesystem-change
notifications, then the @exnraise[exn:fail:unsupported] if
@racket[failure-thunk] is not provided, or @racket[failure-thunk] is
@ -527,12 +531,16 @@ operating-system error when creating the event (such as a non-existent
file), then the @exnraise[exn:fail:filesystem] or @racket[failure-thunk]
is called.
Creation of a @tech{filesystem change event} alloates resources at the
operating-system level. The resources are released at latest when the
event is sychronized and @tech{ready for synchronization} or when the
event is canceled with @racket[filesystem-change-evt-cancel].
See also @racket[system-type] in @racket['fs-change] mode.
A @tech{filesystem change event} is placed under the management of the
@tech{current custodian} when it is created. If the @tech{custodian}
is shut down, @racket[filesystem-change-evt-cancel] is applied to the
event.
See also @racket[system-type] in @racket['fs-change] mode.}
event.}
@defproc[(filesystem-change-evt-cancel [evt filesystem-change-evt?])
@ -540,7 +548,7 @@ See also @racket[system-type] in @racket['fs-change] mode.}
Causes @racket[evt] to become immediately @tech{ready for
synchronization}, whether it was ready or before not, and releases and
resources (at the operating system level) for tracking filesystem
resources (at the operating-system level) for tracking filesystem
changes.}