diff options
author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-31 11:02:52 +0000 |
---|---|---|
committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-01-31 11:02:52 +0000 |
commit | 1de793a57f7c3e5596a64530fbf5a58fc5910100 (patch) | |
tree | db2d6557759d6ee7c76bdfea003d97a85e3c76af /cont.c | |
parent | 3d89e55ba384dc065c7f76e0bac2350c4606109b (diff) |
merge revision(s) 64589,64593: [Backport #15041]
cont.c: set th->root_fiber to current fiber at fork
Otherwise, th->root_fiber can point to an invalid Fiber,
because Fibers do not live across fork. So consider
whatever Fiber is running the root fiber.
[ruby-core:88723] [Bug #15041]
cont.c (rb_fiber_atfork): th->root_fiber may not exist
Otherwise, bootstraptest/test_fork.rb fails with -DVM_CHECK_MODE=2
[Bug #15041]
Fixes: r64589 "cont.c: set th->root_fiber to current fiber at fork"
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@66968 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'cont.c')
-rw-r--r-- | cont.c | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -1660,6 +1660,20 @@ rb_fiber_s_current(VALUE klass) +#ifdef HAVE_WORKING_FORK +void +rb_fiber_atfork(rb_thread_t *th) +{ + if (th->root_fiber) { + if (&th->root_fiber->cont.saved_ec != th->ec) { + th->root_fiber = th->ec->fiber_ptr; + th->root_fiber->cont.type = ROOT_FIBER_CONTEXT; + } + th->root_fiber->prev = 0; + } +} +#endif + /* * Document-class: FiberError * |