[ruby-cvs:67950] normal:r60769 (trunk): dir.c: release GVL around remaining readdir calls

normal at ruby-lang.org normal at ruby-lang.org
Wed Nov 15 08:20:31 JST 2017

normal	2017-11-15 08:20:31 +0900 (Wed, 15 Nov 2017)

  New Revision: 60769


    dir.c: release GVL around remaining readdir calls
    Release GVL around all remaining readdir calls from the Dir
    class to prevent pathological stalls on slow filesystems in
    multi-threaded applications.
    opendir, rewinddir, closedir calls are not affected yet, but
    will be changed in future commits.
    In the future, further work may be done consolidate multiple GVL
    releasing calls to reduce overhead, similar to how changes to
    Dir.empty? were made in r60111
    * dir.c (nogvl_readdir): new function
      (readdir_without_gvl): ditto
      (dir_read): s/READDIR/readdir_without_gvl/
      (dir_each_entry): ditto
      (glob_helper): ditto

  Modified files:

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