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Add write_barrier docs

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Jun Hiroe
2014-08-05 01:58:05 +09:00
parent a18c575614
commit b20121f9e6
1 changed files with 4 additions and 3 deletions
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src/gc.c
+4 -3
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@@ -65,10 +65,11 @@
mruby implementer and C extension library writer must write a write
barrier when writing a pointer to an object on object's field.
Two different write barrier are available:
When writing a pointer to B object on A object's field,
two different write barrier are available:
* mrb_field_write_barrier
* mrb_write_barrier
* mrb_field_write_barrier - target B object for a mark.
* mrb_write_barrier - target A object for a mark.
== Generational Mode