29 lines
1.2 KiB
Diff
29 lines
1.2 KiB
Diff
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Avoid asynchronous channel finalization, which could lead to segfaults due to
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libssh not being thread-safe: <https://bugs.gnu.org/26976>.
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--- guile-ssh-0.11.0/modules/ssh/dist/node.scm 2017-06-13 14:37:44.861671297 +0200
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+++ guile-ssh-0.11.0/modules/ssh/dist/node.scm 2017-06-13 14:38:02.841580565 +0200
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@@ -391,11 +391,18 @@ listens on an expected port, return #f o
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"Evaluate QUOTED-EXP on the node and return the evaluated result."
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(let ((repl-channel (node-open-rrepl node)))
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(rrepl-skip-to-prompt repl-channel)
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- (call-with-values (lambda () (rrepl-eval repl-channel quoted-exp))
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- (lambda vals
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- (and (node-stop-repl-server? node)
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+ (dynamic-wind
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+ (const #t)
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+ (lambda ()
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+ (rrepl-eval repl-channel quoted-exp))
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+ (lambda ()
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+ (when (node-stop-repl-server? node)
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(node-stop-server node))
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- (apply values vals)))))
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+
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+ ;; Close REPL-CHANNEL right away to prevent finalization from
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+ ;; happening in another thread at the wrong time (see
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+ ;; <https://bugs.gnu.org/26976>.)
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+ (close-port repl-channel)))))
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(define (node-eval-1 node quoted-exp)
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"Evaluate QUOTED-EXP on the node and return the evaluated result. The
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