| /* |
| * 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 |