Patch Set 2 : Improve messages
https://codereview.appspot.com/561810045/
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** [issues:#5968] Prevent race condition in `-dfont-ps-resdir`**
**Status:** Started
**Created:** Sat May 09, 2020 10:26 AM UTC by Masamichi Hosoda
**Last Updated:** Sat May 09, 2020 02:17 PM UTC
**Owner:** Masamichi Hosoda
Prevent race condition in `-dfont-ps-resdir`
Issue 5968/4: Add Windows support for `-dfont-ps-resdir`
Windows environment could not use `-dfont-ps-resdir` option
because it used symlink.
This commit makes using file copying instead symlink when Windows.
Issue 5968/3: Prevent creating file race condition in `-dfont-ps-resdir`
For `-dfont-ps-resdir`,
we used creating file after checking the file existence.
However, when multiple lilypond processes were running,
as when using lilypond-book,
a race condition could cause creating file to fail.
This commit uses creating file method for `-dfont-export-dir`
that can prevent race condition.
Issue 5968/2: Prevent symlink race condition in `-dfont-ps-resdir`
For `-dfont-ps-resdir`,
we used symlink after checking the file existence.
However, when multiple lilypond processes were running,
as when using lilypond-book, a race condition could cause symlink to fail.
This commit makes preventing the race condition.
Issue 5968/1: Prevent mkdir race condition in `-dfont-ps-resdir`
For `-dfont-ps-resdir`,
we used mkdir after checking the directory existence.
However, when multiple lilypond processes were running,
as when using lilypond-book, a race condition could cause mkdir to fail.
This commit uses making directory method for `-dfont-export-dir`
that can prevent race condition.
http://codereview.appspot.com/561810045
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