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/utsname.h 33 * @brief The uname() function. 34 */ 35 36 #include <sys/cdefs.h> 37 38 __BEGIN_DECLS 39 40 /** The maximum length of any field in `struct utsname`. */ 41 #define SYS_NMLN 65 42 43 /** The information returned by uname(). */ 44 struct utsname { 45 /** The OS name. "Linux" on Android. */ 46 char sysname[SYS_NMLN]; 47 /** The name on the network. Typically "localhost" on Android. */ 48 char nodename[SYS_NMLN]; 49 /** The OS release. Typically something like "4.4.115-g442ad7fba0d" on Android. */ 50 char release[SYS_NMLN]; 51 /** The OS version. Typically something like "#1 SMP PREEMPT" on Android. */ 52 char version[SYS_NMLN]; 53 /** The hardware architecture. Typically "aarch64" on Android. */ 54 char machine[SYS_NMLN]; 55 /** The domain name set by setdomainname(). Typically "localdomain" on Android. */ 56 char domainname[SYS_NMLN]; 57 }; 58 59 /** 60 * [uname(2)](http://man7.org/linux/man-pages/man2/uname.2.html) returns information 61 * about the kernel. 62 * 63 * Returns 0 on success, and returns -1 and sets `errno` on failure. 64 */ 65 int uname(struct utsname* __buf); 66 67 __END_DECLS 68