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/*
* Copyright (C) 2008 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/prctl.h
* @brief Process-specific operations.
*/
#include <sys/cdefs.h>
#include <linux/prctl.h>
/**
* Names a VMA (mmap'ed region). The second argument must be `PR_SET_VMA_ANON_NAME`,
* the third and fourth are a `void*` pointer to the VMA and its `size_t` length in
* bytes, and the final argument is a `const char*` pointer to the name.
*
* Note that the kernel keeps the pointer to the name rather than copying the name,
* so the lifetime of the string should be at least as long as that of the VMA.
*/
#define PR_SET_VMA 0x53564d41
/**
* For use with `PR_SET_VMA`.
*/
#define PR_SET_VMA_ANON_NAME 0
__BEGIN_DECLS
/**
* [prctl(2)](http://man7.org/linux/man-pages/man2/prctl.2.html) performs a variety of
* operations based on the `PR_` constant passed as the first argument.
*
* Returns -1 and sets `errno` on failure; success values vary by option.
*/
int prctl(int __option, ...);
__END_DECLS