platform_bionic/libc/include/sys/capability.h
zijunzhao 181c31653e Nullability check for capability module.
Bugs: b/245972273
Test: adb shell
Change-Id: I9df50d82e7b86576912ed42e93b1e98c6ded6551
2023-04-14 01:04:29 +00:00

57 lines
2.1 KiB
C

/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#pragma once
/**
* @file sys/capability.h
* @brief Capabilities.
*/
#include <sys/cdefs.h>
#include <linux/capability.h>
__BEGIN_DECLS
/**
* [capget(2)](http://man7.org/linux/man-pages/man2/capget.2.html) gets the calling
* thread's capabilities.
*
* Returns 0 on success, and returns -1 and sets `errno` on failure.
*/
int capget(cap_user_header_t _Nonnull __hdr_ptr, cap_user_data_t _Nullable __data_ptr);
/**
* [capset(2)](http://man7.org/linux/man-pages/man2/capset.2.html) sets the calling
* thread's capabilities.
*
* Returns 0 on success, and returns -1 and sets `errno` on failure.
*/
int capset(cap_user_header_t _Nonnull __hdr_ptr, const cap_user_data_t _Nullable __data_ptr);
__END_DECLS