diff options
author | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-10-26 14:38:22 +0000 |
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committer | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-10-26 14:38:22 +0000 |
commit | d77305fc9cdf295bee3d6d6148dfc602291ad91f (patch) | |
tree | ff617e907bb281d80f3643d4e9f1c426d99d3bf8 /cont.c | |
parent | d717dafc0e928228dcdc42242b2b8e7d3881cd22 (diff) |
make root fiber at switching.
* cont.c (fiber_switch): make sure the root fiber object is available
before the first switching.
* test/ruby/test_fiber.rb: remove "skip".
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60453 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'cont.c')
-rw-r--r-- | cont.c | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -1521,7 +1521,10 @@ return_fiber(void) rb_fiber_t *prev = fib->prev; if (!prev) { - rb_fiber_t *root_fiber = GET_THREAD()->root_fiber; + rb_thread_t *th = GET_THREAD(); + rb_fiber_t *root_fiber = th->root_fiber; + + VM_ASSERT(root_fiber != NULL); if (root_fiber == fib) { rb_raise(rb_eFiberError, "can't yield from root fiber"); @@ -1623,6 +1626,9 @@ fiber_switch(rb_fiber_t *fib, int argc, const VALUE *argv, int is_resume) rb_context_t *cont = &fib->cont; rb_thread_t *th = GET_THREAD(); + /* make sure the root_fiber object is available */ + if (th->root_fiber == NULL) root_fiber_alloc(th); + if (th->ec->fiber == fib) { /* ignore fiber context switch * because destination fiber is same as current fiber |