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patch 8.0.0492: a failing client-server request can make Vim hang

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Problem:    A failing client-server request can make Vim hang.
Solution:   Add a timeout argument to functions that wait.
This commit is contained in:
Bram Moolenaar
2017-03-19 21:20:53 +01:00
parent bfd830d3e2
commit 81b9d0bd5c
10 changed files with 84 additions and 76 deletions
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13
runtime/doc/eval.txt
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@@ -6320,15 +6320,17 @@ reltimestr({time}) *reltimestr()*
{only available when compiled with the |+reltime| feature}
*remote_expr()* *E449*
remote_expr({server}, {string} [, {idvar}])
remote_expr({server}, {string} [, {idvar} [, {timeout}]])
Send the {string} to {server}. The string is sent as an
expression and the result is returned after evaluation.
The result must be a String or a |List|. A |List| is turned
into a String by joining the items with a line break in
between (not at the end), like with join(expr, "\n").
If {idvar} is present, it is taken as the name of a
variable and a {serverid} for later use with
If {idvar} is present and not empty, it is taken as the name
of a variable and a {serverid} for later use with
remote_read() is stored there.
If {timeout} is given the read times out after this many
seconds. Otherwise a timeout of 600 seconds is used.
See also |clientserver| |RemoteReply|.
This function is not available in the |sandbox|.
{only available when compiled with the |+clientserver| feature}
@@ -6367,9 +6369,10 @@ remote_peek({serverid} [, {retvar}]) *remote_peek()*
:let repl = ""
:echo "PEEK: ".remote_peek(id, "repl").": ".repl
remote_read({serverid}) *remote_read()*
remote_read({serverid}, [{timeout}]) *remote_read()*
Return the oldest available reply from {serverid} and consume
it. It blocks until a reply is available.
it. Unless a {timeout} in seconds is given, it blocks until a
reply is available.
See also |clientserver|.
This function is not available in the |sandbox|.
{only available when compiled with the |+clientserver| feature}