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Replace ReadOnlySharedMemoryRegion with WritableSharedMemoryRegion (see #3502)

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Write access to the shared memory region is required because JavaScript lacks
the capability to create read-only ArrayBuffers. When a user attempts to modify
an ArrayBuffer that utilizes a ReadOnlySharedMemoryRegion as its BackingStore
it triggers an access violation.

Note that this pull request may be reverted in the future if JavaScript adds
read-only ArrayBuffer support.
This commit is contained in:
Nik Pavlov
2023-10-16 22:43:29 +00:00
committed by Marshall Greenblatt
parent f3e92b45fc
commit 8d7001adc3
16 changed files with 81 additions and 42 deletions
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4
include/capi/cef_shared_memory_region_capi.h
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@@ -33,7 +33,7 @@
// by hand. See the translator.README.txt file in the tools directory for
// more information.
//
// $hash=08f64795d78bdad29a45222a7263e795ce77a52d$
// $hash=dfa2f2d57339e05592d7ee5f4c4c54dd0932cd94$
//
#ifndef CEF_INCLUDE_CAPI_CEF_SHARED_MEMORY_REGION_CAPI_H_
@@ -69,7 +69,7 @@ typedef struct _cef_shared_memory_region_t {
/// Returns the pointer to the memory. Returns nullptr for invalid instances.
/// The returned pointer is only valid for the life span of this object.
///
const void*(CEF_CALLBACK* memory)(struct _cef_shared_memory_region_t* self);
void*(CEF_CALLBACK* memory)(struct _cef_shared_memory_region_t* self);
} cef_shared_memory_region_t;
#ifdef __cplusplus