1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #pragma once 30 31 /** 32 * @file sys/prctl.h 33 * @brief Process-specific operations. 34 */ 35 36 #include <sys/cdefs.h> 37 38 #include <linux/prctl.h> 39 40 /** 41 * Names a VMA (mmap'ed region). The second argument must be `PR_SET_VMA_ANON_NAME`, 42 * the third and fourth are a `void*` pointer to the VMA and its `size_t` length in 43 * bytes, and the final argument is a `const char*` pointer to the name. 44 * 45 * Note that the kernel keeps the pointer to the name rather than copying the name, 46 * so the lifetime of the string should be at least as long as that of the VMA. 47 */ 48 #define PR_SET_VMA 0x53564d41 49 50 /** 51 * For use with `PR_SET_VMA`. 52 */ 53 #define PR_SET_VMA_ANON_NAME 0 54 55 __BEGIN_DECLS 56 57 /** 58 * [prctl(2)](http://man7.org/linux/man-pages/man2/prctl.2.html) performs a variety of 59 * operations based on the `PR_` constant passed as the first argument. 60 * 61 * Returns -1 and sets `errno` on failure; success values vary by option. 62 */ 63 int prctl(int __option, ...); 64 65 __END_DECLS 66
