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Add a project setting to enable stdout flushing in release builds

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This can be used in server builds for journalctl compatibility.

(cherry picked from commit 341b9cf15a)
This commit is contained in:
Hugo Locurcio
2020-12-15 14:40:09 +01:00
committed by Rémi Verschelde
parent 2753cc5264
commit f5f04a10f5
3 changed files with 24 additions and 9 deletions
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8
doc/classes/ProjectSettings.xml
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@@ -248,6 +248,14 @@
<member name="application/run/disable_stdout" type="bool" setter="" getter="" default="false">
If [code]true[/code], disables printing to standard output in an exported build.
</member>
<member name="application/run/flush_stdout_on_print" type="bool" setter="" getter="" default="false">
If [code]true[/code], flushes the standard output stream every time a line is printed. This affects both terminal logging and file logging.
When running a project, this setting must be enabled if you want logs to be collected by service managers such as systemd/journalctl. This setting is disabled by default on release builds, since flushing on every printed line will negatively affect performance if lots of lines are printed in a rapid succession. Also, if this setting is enabled, logged files will still be written successfully if the application crashes or is otherwise killed by the user (without being closed "normally").
[b]Note:[/b] Regardless of this setting, the standard error stream ([code]stderr[/code]) is always flushed when a line is printed to it.
</member>
<member name="application/run/flush_stdout_on_print.debug" type="bool" setter="" getter="" default="true">
Debug build override for [member application/run/flush_stdout_on_print], as performance is less important during debugging.
</member>
<member name="application/run/frame_delay_msec" type="int" setter="" getter="" default="0">
Forces a delay between frames in the main loop (in milliseconds). This may be useful if you plan to disable vertical synchronization.
</member>