Users can only be expected to manipulate configuration options sensibly if they are given sufficient information about these options. There are three properties which serve to explain an option in plain text: the display property gives a textual alias for an option, which is usually more comprehensible than something like CYGPKG_LIBC_TIME_ZONES; the description property gives a longer description, typically a paragraph or so; the doc property specifies the location of additional on-line documentation related to a configuration option. In the context of a graphical tool the display string will be the primary way for users to identify configuration options; the description paragraph will be visible whenever the option is selected; the on-line documentation will only be accessed when the user explicitly requests it.
cdl_option CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE {
display "Message box queue size"
flavor data
legal_values 1 to 65535
default_value 10
description "
This configuration option controls the number of messages
that can be queued in a message box before a non-blocking
put() operation will fail or a blocking put() operation will
block. The cost in memory is one pointer per message box for
each possible message."
} |