diff options
Diffstat (limited to 'ext/ffi_c/Type.c')
| -rw-r--r-- | ext/ffi_c/Type.c | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/ext/ffi_c/Type.c b/ext/ffi_c/Type.c index 194c81e..a94c009 100644 --- a/ext/ffi_c/Type.c +++ b/ext/ffi_c/Type.c @@ -33,6 +33,9 @@ #include <sys/types.h> #include <ruby.h> +#if HAVE_RB_EXT_RACTOR_SAFE +#include <ruby/ractor.h> +#endif #include <ffi.h> #include "rbffi.h" #include "compat.h" @@ -54,6 +57,9 @@ static VALUE classBuiltinType = Qnil; static VALUE moduleNativeType = Qnil; static VALUE typeMap = Qnil; static ID id_type_size = 0, id_size = 0; +#if HAVE_RB_EXT_RACTOR_SAFE +static rb_ractor_local_key_t custom_typedefs_key; +#endif const rb_data_type_t rbffi_type_data_type = { /* extern */ .wrap_struct_name = "FFI::Type", @@ -64,7 +70,7 @@ const rb_data_type_t rbffi_type_data_type = { /* extern */ }, // IMPORTANT: WB_PROTECTED objects must only use the RB_OBJ_WRITE() // macro to update VALUE references, as to trigger write barriers. - .flags = RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_WB_PROTECTED + .flags = RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_WB_PROTECTED | FFI_RUBY_TYPED_FROZEN_SHAREABLE }; static const rb_data_type_t builtin_type_data_type = { @@ -77,7 +83,7 @@ static const rb_data_type_t builtin_type_data_type = { .parent = &rbffi_type_data_type, // IMPORTANT: WB_PROTECTED objects must only use the RB_OBJ_WRITE() // macro to update VALUE references, as to trigger write barriers. - .flags = RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_WB_PROTECTED + .flags = RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_WB_PROTECTED | FFI_RUBY_TYPED_FROZEN_SHAREABLE }; static size_t @@ -122,6 +128,8 @@ type_initialize(VALUE self, VALUE value) rb_raise(rb_eArgError, "wrong type"); } + rb_obj_freeze(self); + return self; } @@ -186,6 +194,8 @@ builtin_type_new(VALUE klass, int nativeType, ffi_type* ffiType, const char* nam type->type.nativeType = nativeType; type->type.ffiType = ffiType; + rb_obj_freeze(obj); + return obj; } @@ -245,6 +255,25 @@ rbffi_type_size(VALUE type) } } +static VALUE +custom_typedefs(VALUE self) +{ +#if HAVE_RB_EXT_RACTOR_SAFE + VALUE hash = rb_ractor_local_storage_value(custom_typedefs_key); + if (hash == Qnil) { + hash = rb_hash_new(); + rb_ractor_local_storage_value_set(custom_typedefs_key, hash); + } +#else + static VALUE hash = Qundef; + if (hash == Qundef) { + rb_global_variable(&hash); + hash = rb_hash_new(); + } +#endif + return hash; +} + VALUE rbffi_Type_Lookup(VALUE name) { @@ -254,6 +283,12 @@ rbffi_Type_Lookup(VALUE name) * Try looking up directly in the type map */ VALUE nType; + VALUE cust = custom_typedefs(Qnil); + + if ((nType = rb_hash_lookup(cust, name)) != Qnil && rb_obj_is_kind_of(nType, rbffi_TypeClass)) { + return nType; + } + if ((nType = rb_hash_lookup(typeMap, name)) != Qnil && rb_obj_is_kind_of(nType, rbffi_TypeClass)) { return nType; } @@ -286,6 +321,11 @@ rbffi_Type_Init(VALUE moduleFFI) id_type_size = rb_intern("type_size"); id_size = rb_intern("size"); +#if HAVE_RB_EXT_RACTOR_SAFE + custom_typedefs_key = rb_ractor_local_storage_value_newkey(); +#endif + rb_define_module_function(moduleFFI, "custom_typedefs", custom_typedefs, 0); + /* * Document-class: FFI::Type::Builtin * Class for Built-in types. |