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src: refactor uncaught exception handling #28257
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The C++ land `node::FatalException()` is not in fact fatal anymore. It gives the user a chance to handle the uncaught exception globally by listening to the `uncaughtException` event. This patch renames it to `TriggerUncaughtException` in C++ to avoid the confusion. In addition rename the JS land handler to `onGlobalUncaughtException` to reflect its purpose - we have to keep the alias `process._fatalException` and use that for now since it has been monkey-patchable in the user land. This patch also - Adds more comments to the global uncaught exception handling routine - Puts a few other C++ error handling functions into the `errors` namespace - Moves error-handling-related bindings to the `errors` binding. Refs: nodejs@2b252ac
Sadly, an error occurred when I tried to trigger a build. :( |
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Jun 17, 2019
triggerFatalException(error, false /* fromPromise */); | ||
// runInAsyncScope() swallows the error so we need to catch | ||
// it and handle it here. | ||
triggerUncaughtException(error, false /* fromPromise */); |
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@devsnek I tried a cctest on V8 master and it seems the issue still exist. However we still need to catch the error even when it's fixed since runInAsyncScope()
will swallow the error.
addaleax
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addaleax
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Jun 17, 2019
cc @nodejs/process |
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Jun 19, 2019
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The C++ land `node::FatalException()` is not in fact fatal anymore. It gives the user a chance to handle the uncaught exception globally by listening to the `uncaughtException` event. This patch renames it to `TriggerUncaughtException` in C++ to avoid the confusion. In addition rename the JS land handler to `onGlobalUncaughtException` to reflect its purpose - we have to keep the alias `process._fatalException` and use that for now since it has been monkey-patchable in the user land. This patch also - Adds more comments to the global uncaught exception handling routine - Puts a few other C++ error handling functions into the `errors` namespace - Moves error-handling-related bindings to the `errors` binding. Refs: 2b252ac PR-URL: #28257 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
Landed in a33c3c6 |
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The C++ land `node::FatalException()` is not in fact fatal anymore. It gives the user a chance to handle the uncaught exception globally by listening to the `uncaughtException` event. This patch renames it to `TriggerUncaughtException` in C++ to avoid the confusion. In addition rename the JS land handler to `onGlobalUncaughtException` to reflect its purpose - we have to keep the alias `process._fatalException` and use that for now since it has been monkey-patchable in the user land. This patch also - Adds more comments to the global uncaught exception handling routine - Puts a few other C++ error handling functions into the `errors` namespace - Moves error-handling-related bindings to the `errors` binding. Refs: 2b252ac PR-URL: #28257 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
This was referenced Jul 3, 2019
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The C++ land
node::FatalException()
is not in fact fatal anymore.It gives the user a chance to handle the uncaught exception
globally by listening to the
uncaughtException
event. This patchrenames it to
TriggerUncaughtException
in C++ to avoid the confusion.In addition rename the JS land handler to
onGlobalUncaughtException
to reflect its purpose - we have to keep the alias
process._fatalException
and use that for now since it has beenmonkey-patchable in the user land.
This patch also
errors
namespace
errors
binding.Refs: 2b252ac
Checklist
make -j4 test
(UNIX), orvcbuild test
(Windows) passes