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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/gpu_fence_handle.h"
#include "base/logging.h"
#if defined(OS_POSIX)
#include <unistd.h>
#include "base/posix/eintr_wrapper.h"
#endif
namespace gfx {
GpuFenceHandle::GpuFenceHandle() : type(GpuFenceHandleType::kEmpty) {}
GpuFenceHandle::GpuFenceHandle(const GpuFenceHandle& other) = default;
GpuFenceHandle& GpuFenceHandle::operator=(const GpuFenceHandle& other) =
default;
GpuFenceHandle::~GpuFenceHandle() {}
GpuFenceHandle CloneHandleForIPC(const GpuFenceHandle& source_handle) {
switch (source_handle.type) {
case GpuFenceHandleType::kEmpty:
NOTREACHED();
return source_handle;
case GpuFenceHandleType::kAndroidNativeFenceSync: {
gfx::GpuFenceHandle handle;
#if defined(OS_POSIX)
handle.type = GpuFenceHandleType::kAndroidNativeFenceSync;
int duped_handle = HANDLE_EINTR(dup(source_handle.native_fd.fd));
if (duped_handle < 0)
return GpuFenceHandle();
handle.native_fd = base::FileDescriptor(duped_handle, true);
#endif
return handle;
}
}
NOTREACHED();
return gfx::GpuFenceHandle();
}
} // namespace gfx
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