xref: /aosp_15_r20/external/cronet/base/fuchsia/koid.cc (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
1*6777b538SAndroid Build Coastguard Worker // Copyright 2021 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 #include "base/fuchsia/koid.h"
6*6777b538SAndroid Build Coastguard Worker 
7*6777b538SAndroid Build Coastguard Worker #include "base/fuchsia/fuchsia_logging.h"
8*6777b538SAndroid Build Coastguard Worker 
9*6777b538SAndroid Build Coastguard Worker namespace base {
10*6777b538SAndroid Build Coastguard Worker 
11*6777b538SAndroid Build Coastguard Worker namespace {
12*6777b538SAndroid Build Coastguard Worker 
GetBasicInfo(const zx::object_base & handle)13*6777b538SAndroid Build Coastguard Worker std::optional<zx_info_handle_basic_t> GetBasicInfo(
14*6777b538SAndroid Build Coastguard Worker     const zx::object_base& handle) {
15*6777b538SAndroid Build Coastguard Worker   zx_info_handle_basic_t basic;
16*6777b538SAndroid Build Coastguard Worker   zx_status_t status = handle.get_info(ZX_INFO_HANDLE_BASIC, &basic,
17*6777b538SAndroid Build Coastguard Worker                                        sizeof(basic), nullptr, nullptr);
18*6777b538SAndroid Build Coastguard Worker   if (status != ZX_OK) {
19*6777b538SAndroid Build Coastguard Worker     ZX_DLOG(ERROR, status) << "zx_object_get_info";
20*6777b538SAndroid Build Coastguard Worker     return {};
21*6777b538SAndroid Build Coastguard Worker   }
22*6777b538SAndroid Build Coastguard Worker 
23*6777b538SAndroid Build Coastguard Worker   return basic;
24*6777b538SAndroid Build Coastguard Worker }
25*6777b538SAndroid Build Coastguard Worker 
26*6777b538SAndroid Build Coastguard Worker }  // namespace
27*6777b538SAndroid Build Coastguard Worker 
GetKoid(const zx::object_base & handle)28*6777b538SAndroid Build Coastguard Worker std::optional<zx_koid_t> GetKoid(const zx::object_base& handle) {
29*6777b538SAndroid Build Coastguard Worker   auto basic_info = GetBasicInfo(handle);
30*6777b538SAndroid Build Coastguard Worker   if (!basic_info)
31*6777b538SAndroid Build Coastguard Worker     return {};
32*6777b538SAndroid Build Coastguard Worker   return basic_info->koid;
33*6777b538SAndroid Build Coastguard Worker }
34*6777b538SAndroid Build Coastguard Worker 
GetRelatedKoid(const zx::object_base & handle)35*6777b538SAndroid Build Coastguard Worker std::optional<zx_koid_t> GetRelatedKoid(const zx::object_base& handle) {
36*6777b538SAndroid Build Coastguard Worker   auto basic_info = GetBasicInfo(handle);
37*6777b538SAndroid Build Coastguard Worker   if (!basic_info)
38*6777b538SAndroid Build Coastguard Worker     return {};
39*6777b538SAndroid Build Coastguard Worker   return basic_info->related_koid;
40*6777b538SAndroid Build Coastguard Worker }
41*6777b538SAndroid Build Coastguard Worker 
42*6777b538SAndroid Build Coastguard Worker }  // namespace base
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