[ruby-cvs:71293] normal:r64201 (trunk): process.c: ensure th->interrupt lock is held when migrating

[normal at ruby-lang.org]

normal	2018-08-06 10:06:21 +0900 (Mon, 06 Aug 2018)

  New Revision: 64201

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=64201

  Log:
    process.c: ensure th->interrupt lock is held when migrating
    
    w->cond may be changed without our knowledge in waitpid_nogvl
    without th->interrupt_lock

  Modified files:
    trunk/process.c