rename thread internal naming

Now GVL is not process *Global* so this patch try to use
another words.

* `rb_global_vm_lock_t` -> `struct rb_thread_sched`
  * `gvl->owner` -> `sched->running`
  * `gvl->waitq` -> `sched->readyq`
* `rb_gvl_init` -> `rb_thread_sched_init`
* `gvl_destroy` -> `rb_thread_sched_destroy`
* `gvl_acquire` -> `thread_sched_to_running` # waiting -> ready -> running
* `gvl_release` -> `thread_sched_to_waiting` # running -> waiting
* `gvl_yield`   -> `thread_sched_yield`
* `GVL_UNLOCK_BEGIN` -> `THREAD_BLOCKING_BEGIN`
* `GVL_UNLOCK_END` -> `THREAD_BLOCKING_END`

* removed
  * `rb_ractor_gvl`
  * `rb_vm_gvl_destroy` (not used)

There are GVL functions such as `rb_thread_call_without_gvl()` yet
but I don't have good name to replace them. Maybe GVL stands for
"Greate Valuable Lock" or something like that.

1 files changed, 1 insertions, 2 deletions

diff --git a/ractor_core.h b/ractor_core.h
index a3bc90febf..8f0037b3ee 100644
--- a/ractor_core.h
+++ b/ractor_core.h
@@ -95,7 +95,7 @@ struct rb_ractor_struct {
         unsigned int cnt;
         unsigned int blocking_cnt;
         unsigned int sleeper;
-        rb_global_vm_lock_t gvl;
+        struct rb_thread_sched sched;
         rb_execution_context_t *running_ec;
         rb_thread_t *main;
     } threads;
@@ -165,7 +165,6 @@ void rb_ractor_send_parameters(rb_execution_context_t *ec, rb_ractor_t *g, VALUE
 
 VALUE rb_thread_create_ractor(rb_ractor_t *g, VALUE args, VALUE proc); // defined in thread.c
 
-rb_global_vm_lock_t *rb_ractor_gvl(rb_ractor_t *);
 int rb_ractor_living_thread_num(const rb_ractor_t *);
 VALUE rb_ractor_thread_list(rb_ractor_t *r);
 bool rb_ractor_p(VALUE rv);