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top: standardize <Esc> key support with prompted input

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In release 3.3.6, some commands were equipped with the
concept of a 'default pid'. The initial implementation
meant that the intuitive <Esc> key would not always be
treated as one would expect under any well behaved UI.

This patch ensures the expected <Esc> key behavior of:
terminating user input while still making possible the
necessary distinction between 'no input' & 'defaults'.

Reference(s):
http://www.freelists.org/post/procps/top-Escape-doesnt-abort-kill-command

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner
2014-04-27 00:00:00 -05:00
committed by Jaromir Capik
parent fe37ad15cd
commit bef6b0f025
2 changed files with 65 additions and 42 deletions
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top/top.1
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@@ -1082,6 +1082,7 @@ depending on your progress:
.nf
1) at the pid prompt, type an invalid number
2) at the signal prompt, type 0 (or any invalid signal)
3) at any prompt, type <Esc>
.fi
.TP 7
@@ -1106,6 +1107,7 @@ depending on your progress:
.nf
1) at the pid prompt, type an invalid number
2) at the nice prompt, type <Enter> with no input
3) at any prompt, type <Esc>
.fi
.TP 7