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authorYukihiro "Matz" Matsumoto <[email protected]>2018-06-11 14:50:42 +0900
committerYukihiro "Matz" Matsumoto <[email protected]>2018-06-11 14:50:42 +0900
commit23a4e7149dc4253caf5ed0a528ffe5c21c4afb80 (patch)
tree1320fdd6f2f35e76cbb6313ee5539887e91e8d9c /mrbgems/mruby-fiber
parenta9b740b36b4518552d61f349afc02c325413d2ad (diff)
downloadmruby-23a4e7149dc4253caf5ed0a528ffe5c21c4afb80.tar.gz
mruby-23a4e7149dc4253caf5ed0a528ffe5c21c4afb80.zip
Revert "No longer need to insert write barriers for fibers."
This reverts commit c6736357a72049a0eb2a31ccabcc3cd2baba7c9e. The assumption was wrong and caused the issue; fix #4020
Diffstat (limited to 'mrbgems/mruby-fiber')
-rw-r--r--mrbgems/mruby-fiber/src/fiber.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mrbgems/mruby-fiber/src/fiber.c b/mrbgems/mruby-fiber/src/fiber.c
index b88fa4949..bff8726a7 100644
--- a/mrbgems/mruby-fiber/src/fiber.c
+++ b/mrbgems/mruby-fiber/src/fiber.c
@@ -175,6 +175,9 @@ fiber_check_cfunc(mrb_state *mrb, struct mrb_context *c)
static void
fiber_switch_context(mrb_state *mrb, struct mrb_context *c)
{
+ if (mrb->c->fib) {
+ mrb_write_barrier(mrb, (struct RBasic*)mrb->c->fib);
+ }
c->status = MRB_FIBER_RUNNING;
mrb->c = c;
}