Always free the main thread in RUBY_FREE_AT_EXIT

peterzhu2118 · peterzhu2118 · commit c36c80bc25b5 · 2025-10-02T17:09:38.000-04:00
diff --git a/vm.c b/vm.c
@@ -3343,10 +3343,8 @@ ruby_vm_destruct(rb_vm_t *vm)
                 rb_objspace_free_objects(objspace);
                 rb_free_generic_fields_tbl_();
                 rb_free_default_rand_key();
-                if (th && vm->fork_gen == 0) {
-                    /* If we have forked, main_thread may not be the initial thread */
-                    ruby_mimfree(th);
-                }
+
+                ruby_mimfree(th);
             }
             rb_objspace_free(objspace);
         }

Original file line number	Diff line number	Diff line change
`@@ -3343,10 +3343,8 @@ ruby_vm_destruct(rb_vm_t *vm)`
`3343`	`3343`	`rb_objspace_free_objects(objspace);`
`3344`	`3344`	`rb_free_generic_fields_tbl_();`
`3345`	`3345`	`rb_free_default_rand_key();`
`3346`		`- if (th && vm->fork_gen == 0) {`
`3347`		`- /* If we have forked, main_thread may not be the initial thread */`
`3348`		`- ruby_mimfree(th);`
`3349`		`- }`
	`3346`	`+`
	`3347`	`+ ruby_mimfree(th);`
`3350`	`3348`	`}`
`3351`	`3349`	`rb_objspace_free(objspace);`
`3352`	`3350`	`}`