node: extract node env initialization out of process initialization #980
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petkaantonov
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| // Fetch a reference to the main isolate, so we have a reference to it | ||
| // Entry point for new node instances, also called directly for the main | ||
| // node instance. | ||
| void StartNodeInstance(void *arg) { |
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If StartNodeInstance() is not used elsewhere, it should be static or inline (they amount to the same thing, non-external linkage.)
I'm not sure what comment that was but it sounds reasonable. |
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Why do we need another class for this? Isn't |
petkaantonov
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Addressed @bnoordhuis comments, I also added an internal
Instances of this class will be the data argument passed to |
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| // Main node instance uses uv_default_loop. | ||
| if (instance_data->is_worker()) | ||
| uv_loop_delete(instance_data->event_loop()); |
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Looking at this again, I think it should be left to the caller to clean up the uv_loop_t. Calling uv_loop_delete() is not safe because we don't know if the loop was created with uv_loop_new() or uv_loop_init().
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LGTM with comments. |
petkaantonov
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Addressed comments, rebased to v1.x and squashed |
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ping |
| exec_argc_(exec_argc), | ||
| exec_argv_(exec_argv), | ||
| use_debug_agent_flag_(use_debug_agent_flag) { | ||
| CHECK_NE(event_loop_, nullptr); |
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LGTM apart from a style nit. Land at will. |
petkaantonov
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PR-URL: #980 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
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Merged in 4ae64b2. Thanks! |
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this feels like something that should go into Notable items in the 1.5.0 release notes but I don't really know how best to characterise it for casual readers. Does somebody want to take a stab at a description in #1060 for me before this goes out? |
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It's still completely internal, add-ons or embedders can't use it yet. |
This will enable implementing a worker class that is backed by a thread instead of a separate process.
/cc @bnoordhuis
P.S. I saw your todo comments about using uv_default_loop, I was thinking why not have the main thread use the default loop and workers use their own loops?