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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /gfx/layers/ipc/RefCountedShmem.h | |
parent | Initial commit. (diff) | |
download | firefox-e51783d008170d9ab27d25da98ca3a38b0a41b67.tar.xz firefox-e51783d008170d9ab27d25da98ca3a38b0a41b67.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/ipc/RefCountedShmem.h')
-rw-r--r-- | gfx/layers/ipc/RefCountedShmem.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gfx/layers/ipc/RefCountedShmem.h b/gfx/layers/ipc/RefCountedShmem.h new file mode 100644 index 0000000000..390d6ea25f --- /dev/null +++ b/gfx/layers/ipc/RefCountedShmem.h @@ -0,0 +1,48 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef MOZILLA_LAYERS_REFCOUNTED_SHMEM_H +#define MOZILLA_LAYERS_REFCOUNTED_SHMEM_H + +#include "mozilla/ipc/Shmem.h" +#include "chrome/common/ipc_message_utils.h" + +namespace mozilla { +namespace ipc { +class IProtocol; +} + +namespace layers { + +// This class is IPDL-defined +class RefCountedShmem; + +// This just implement the methods externally. +class RefCountedShm { + public: + static uint8_t* GetBytes(const RefCountedShmem& aShm); + + static size_t GetSize(const RefCountedShmem& aShm); + + static bool IsValid(const RefCountedShmem& aShm); + + static bool Alloc(mozilla::ipc::IProtocol* aAllocator, size_t aSize, + RefCountedShmem& aShm); + + static void Dealloc(mozilla::ipc::IProtocol* aAllocator, + RefCountedShmem& aShm); + + static int32_t GetReferenceCount(const RefCountedShmem& aShm); + + static int32_t AddRef(const RefCountedShmem& aShm); + + static int32_t Release(const RefCountedShmem& aShm); +}; + +} // namespace layers +} // namespace mozilla + +#endif |