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, 7 insertions, 5 deletions

diff --git a/thread_none.c b/thread_none.c
index 24e8e45e10..fb7b9f9a97 100644
--- a/thread_none.c
+++ b/thread_none.c
@@ -23,29 +23,31 @@
 
 // Do nothing for GVL
 static void
-gvl_acquire(rb_global_vm_lock_t *gvl, rb_thread_t *th)
+thread_sched_to_running(struct rb_thread_sched *sched, rb_thread_t *th)
 {
 }
 
 static void
-gvl_release(rb_global_vm_lock_t *gvl)
+thread_sched_to_waiting(struct rb_thread_sched *sched)
 {
 }
 
 static void
-gvl_yield(rb_global_vm_lock_t *gvl, rb_thread_t *th)
+thread_sched_yield(struct rb_thread_sched *sched, rb_thread_t *th)
 {
 }
 
 void
-rb_gvl_init(rb_global_vm_lock_t *gvl)
+rb_thread_sched_init(struct rb_thread_sched *sched)
 {
 }
 
+#if 0
 static void
-gvl_destroy(rb_global_vm_lock_t *gvl)
+rb_thread_sched_destroy(struct rb_thread_sched *sched)
 {
 }
+#endif
 
 // Do nothing for mutex guard
 void