use ractor_sched_lock

ko1 · ko1 · commit 5ef4f88d5e0c · 2025-12-12T15:32:03.000+09:00
instead of using `rb_native_mutex_lock` directly.
diff --git a/thread_pthread_mn.c b/thread_pthread_mn.c
@@ -1078,12 +1078,12 @@ timer_thread_polling(rb_vm_t *vm)
 
     switch (r) {
       case 0: // timeout
-        rb_native_mutex_lock(&vm->ractor.sched.lock);
+        ractor_sched_lock(vm, NULL);
         {
             // (1-1) timeslice
             timer_thread_check_timeslice(vm);
         }
-        rb_native_mutex_unlock(&vm->ractor.sched.lock);
+        ractor_sched_unlock(vm, NULL);
         break;
 
       case -1: // error

Original file line number	Diff line number	Diff line change
`@@ -1078,12 +1078,12 @@ timer_thread_polling(rb_vm_t *vm)`
`1078`	`1078`
`1079`	`1079`	`switch (r) {`
`1080`	`1080`	`case 0: // timeout`
`1081`		`- rb_native_mutex_lock(&vm->ractor.sched.lock);`
	`1081`	`+ ractor_sched_lock(vm, NULL);`
`1082`	`1082`	`{`
`1083`	`1083`	`// (1-1) timeslice`
`1084`	`1084`	`timer_thread_check_timeslice(vm);`
`1085`	`1085`	`}`
`1086`		`- rb_native_mutex_unlock(&vm->ractor.sched.lock);`
	`1086`	`+ ractor_sched_unlock(vm, NULL);`
`1087`	`1087`	`break;`
`1088`	`1088`
`1089`	`1089`	`case -1: // error`