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memory_view.c: Add _memory_view_entry member in rb_memory_view_t (#5088)

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Kenta Murata 2021-11-08 12:52:09 +09:00 committed by GitHub
parent e0a5c3d2b7
commit 3501e0cbb5
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Notes: git 2021-11-08 12:52:35 +09:00 
Merged-By: mrkn <mrkn@ruby-lang.org>
2 changed files with 12 additions and 7 deletions
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12
include/ruby/memory_view.h
View file

@ -146,8 +146,11 @@ typedef struct {
* Or, NULL when this memory view exposes a flat array. */
const ssize_t *sub_offsets;
/** the private data for managing this exported memory */
/** The private data for managing this exported memory */
void *private_data;
/** DO NOT TOUCH THIS: The memory view entry for the internal use */
const struct rb_memory_view_entry *_memory_view_entry;
} rb_memory_view_t;
/** Type of function of ::rb_memory_view_entry_t::get_func. */
@ -160,9 +163,10 @@ typedef bool (* rb_memory_view_release_func_t)(VALUE obj, rb_memory_view_t *view
typedef bool (* rb_memory_view_available_p_func_t)(VALUE obj);
/** Operations applied to a specific kind of a memory view. */
typedef struct {
/** Exports a memory view from a Ruby object. */
typedef struct rb_memory_view_entry {
/**
* Exports a memory view from a Ruby object.
*/
rb_memory_view_get_func_t get_func;
/**

7
memory_view.c
View file

@ -108,7 +108,8 @@ static void
unregister_exported_object(VALUE obj)
{
RB_VM_LOCK_ENTER();
st_update(exported_object_table, (st_data_t)obj, exported_object_dec_ref, 0);
if (exported_object_table)
st_update(exported_object_table, (st_data_t)obj, exported_object_dec_ref, 0);
RB_VM_LOCK_LEAVE();
}
@ -822,6 +823,7 @@ rb_memory_view_get(VALUE obj, rb_memory_view_t* view, int flags)
bool rv = (*entry->get_func)(obj, view, flags);
if (rv) {
view->_memory_view_entry = entry;
register_exported_object(view->obj);
}
return rv;
@ -834,8 +836,7 @@ rb_memory_view_get(VALUE obj, rb_memory_view_t* view, int flags)
bool
rb_memory_view_release(rb_memory_view_t* view)
{
VALUE klass = CLASS_OF(view->obj);
const rb_memory_view_entry_t *entry = lookup_memory_view_entry(klass);
const rb_memory_view_entry_t *entry = view->_memory_view_entry;
if (entry) {
bool rv = true;
if (entry->release_func) {