519e5f0592
This change makes it possible for Android running in a container to
terminate cleanly instead of calling abort() when requested to shut
down.
Bug: 62388055
Test: `adb reboot` on bullhead causes no kernel panics
Test: `adb reboot` on a system without CAP_SYS_BOOT makes init terminate
nicely
Change-Id: I36b2298610f5b4a2bf8b05103d04804883df2c88
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
// Copyright (C) 2016 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _INIT_CAPABILITIES_H
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#define _INIT_CAPABILITIES_H
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#include <sys/capability.h>
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#include <bitset>
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#include <string>
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#include <type_traits>
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namespace android {
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namespace init {
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struct CapDeleter {
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void operator()(cap_t caps) const { cap_free(caps); }
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};
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using CapSet = std::bitset<CAP_LAST_CAP + 1>;
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using ScopedCaps = std::unique_ptr<std::remove_pointer<cap_t>::type, CapDeleter>;
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int LookupCap(const std::string& cap_name);
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bool CapAmbientSupported();
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unsigned int GetLastValidCap();
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bool SetCapsForExec(const CapSet& to_keep);
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} // namespace init
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} // namespace android
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#endif // _INIT_CAPABILITIES_H
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