xref: /aosp_15_r20/external/cronet/ipc/handle_attachment_fuchsia.h (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1*6777b538SAndroid Build Coastguard Worker // Copyright 2017 The Chromium Authors
2*6777b538SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be
3*6777b538SAndroid Build Coastguard Worker // found in the LICENSE file.
4*6777b538SAndroid Build Coastguard Worker 
5*6777b538SAndroid Build Coastguard Worker #ifndef IPC_HANDLE_ATTACHMENT_FUCHSIA_H_
6*6777b538SAndroid Build Coastguard Worker #define IPC_HANDLE_ATTACHMENT_FUCHSIA_H_
7*6777b538SAndroid Build Coastguard Worker 
8*6777b538SAndroid Build Coastguard Worker #include <lib/zx/handle.h>
9*6777b538SAndroid Build Coastguard Worker #include <stdint.h>
10*6777b538SAndroid Build Coastguard Worker 
11*6777b538SAndroid Build Coastguard Worker #include "ipc/ipc_message_attachment.h"
12*6777b538SAndroid Build Coastguard Worker #include "ipc/ipc_message_support_export.h"
13*6777b538SAndroid Build Coastguard Worker 
14*6777b538SAndroid Build Coastguard Worker namespace IPC {
15*6777b538SAndroid Build Coastguard Worker namespace internal {
16*6777b538SAndroid Build Coastguard Worker 
17*6777b538SAndroid Build Coastguard Worker // This class represents a Fuchsia zx_handle_t attached to a Chrome IPC message.
18*6777b538SAndroid Build Coastguard Worker class IPC_MESSAGE_SUPPORT_EXPORT HandleAttachmentFuchsia
19*6777b538SAndroid Build Coastguard Worker     : public MessageAttachment {
20*6777b538SAndroid Build Coastguard Worker  public:
21*6777b538SAndroid Build Coastguard Worker   // This constructor takes ownership of |handle|. Should only be called by the
22*6777b538SAndroid Build Coastguard Worker   // receiver of a Chrome IPC message.
23*6777b538SAndroid Build Coastguard Worker   explicit HandleAttachmentFuchsia(zx::handle handle);
24*6777b538SAndroid Build Coastguard Worker 
25*6777b538SAndroid Build Coastguard Worker   Type GetType() const override;
26*6777b538SAndroid Build Coastguard Worker 
Take()27*6777b538SAndroid Build Coastguard Worker   zx_handle_t Take() { return handle_.release(); }
28*6777b538SAndroid Build Coastguard Worker 
29*6777b538SAndroid Build Coastguard Worker  private:
30*6777b538SAndroid Build Coastguard Worker   ~HandleAttachmentFuchsia() override;
31*6777b538SAndroid Build Coastguard Worker 
32*6777b538SAndroid Build Coastguard Worker   zx::handle handle_;
33*6777b538SAndroid Build Coastguard Worker };
34*6777b538SAndroid Build Coastguard Worker 
35*6777b538SAndroid Build Coastguard Worker }  // namespace internal
36*6777b538SAndroid Build Coastguard Worker }  // namespace IPC
37*6777b538SAndroid Build Coastguard Worker 
38*6777b538SAndroid Build Coastguard Worker #endif  // IPC_HANDLE_ATTACHMENT_FUCHSIA_H_
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