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add a comment for rb_thread_mark()

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59069 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2017-06-12 07:58:23 +00:00
parent f06daf167b
commit 3b405a8912
1 changed files with 9 additions and 7 deletions
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16
vm.c
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@ -2368,6 +2368,7 @@ rb_thread_mark(void *ptr)
rb_thread_t *th = ptr;
RUBY_MARK_ENTER("thread");
/* mark VM stack */
if (th->ec.stack) {
VALUE *p = th->ec.stack;
VALUE *sp = th->ec.cfp->sp;
@ -2389,6 +2390,14 @@ rb_thread_mark(void *ptr)
}
}
/* mark machine stack */
if (GET_THREAD() != th && th->machine.stack_start && th->machine.stack_end) {
rb_gc_mark_machine_stack(th);
rb_gc_mark_locations((VALUE *)&th->machine.regs,
(VALUE *)(&th->machine.regs) +
sizeof(th->machine.regs) / sizeof(VALUE));
}
/* mark ruby objects */
RUBY_MARK_UNLESS_NULL(th->first_proc);
if (th->first_proc) RUBY_MARK_UNLESS_NULL(th->first_args);
@ -2412,13 +2421,6 @@ rb_thread_mark(void *ptr)
RUBY_MARK_UNLESS_NULL(th->local_storage_recursive_hash);
RUBY_MARK_UNLESS_NULL(th->local_storage_recursive_hash_for_trace);
if (GET_THREAD() != th && th->machine.stack_start && th->machine.stack_end) {
rb_gc_mark_machine_stack(th);
rb_gc_mark_locations((VALUE *)&th->machine.regs,
(VALUE *)(&th->machine.regs) +
sizeof(th->machine.regs) / sizeof(VALUE));
}
RUBY_MARK_UNLESS_NULL(th->name);
rb_vm_trace_mark_event_hooks(&th->event_hooks);