linux_misc.h revision 293582
1/*- 2 * Copyright (c) 2006 Roman Divacky 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 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: stable/10/sys/compat/linux/linux_misc.h 293582 2016-01-09 17:41:00Z dchagin $ 29 */ 30 31#ifndef _LINUX_MISC_H_ 32#define _LINUX_MISC_H_ 33 34#include <sys/sysctl.h> 35 36 /* bits per mask */ 37#define LINUX_NFDBITS sizeof(l_fd_mask) * 8 38 39/* 40 * Miscellaneous 41 */ 42#define LINUX_NAME_MAX 255 43#define LINUX_MAX_UTSNAME 65 44 45#define LINUX_CTL_MAXNAME 10 46 47/* defines for prctl */ 48#define LINUX_PR_SET_PDEATHSIG 1 /* Second arg is a signal. */ 49#define LINUX_PR_GET_PDEATHSIG 2 /* 50 * Second arg is a ptr to return the 51 * signal. 52 */ 53#define LINUX_PR_GET_KEEPCAPS 7 /* Get drop capabilities on setuid */ 54#define LINUX_PR_SET_KEEPCAPS 8 /* Set drop capabilities on setuid */ 55#define LINUX_PR_SET_NAME 15 /* Set process name. */ 56#define LINUX_PR_GET_NAME 16 /* Get process name. */ 57 58#define LINUX_MAX_COMM_LEN 16 /* Maximum length of the process name. */ 59 60#define LINUX_MREMAP_MAYMOVE 1 61#define LINUX_MREMAP_FIXED 2 62 63extern const char *linux_kplatform; 64 65/* 66 * Non-standard aux entry types used in Linux ELF binaries. 67 */ 68 69#define LINUX_AT_PLATFORM 15 /* String identifying CPU */ 70#define LINUX_AT_HWCAP 16 /* CPU capabilities */ 71#define LINUX_AT_CLKTCK 17 /* frequency at which times() increments */ 72#define LINUX_AT_SECURE 23 /* secure mode boolean */ 73#define LINUX_AT_BASE_PLATFORM 24 /* string identifying real platform, may 74 * differ from AT_PLATFORM. 75 */ 76#define LINUX_AT_RANDOM 25 /* address of random bytes */ 77#define LINUX_AT_EXECFN 31 /* filename of program */ 78#define LINUX_AT_SYSINFO 32 /* vsyscall */ 79#define LINUX_AT_SYSINFO_EHDR 33 /* vdso header */ 80 81#define LINUX_AT_RANDOM_LEN 16 /* size of random bytes */ 82 83/* Linux sets the i387 to extended precision. */ 84#if defined(__i386__) || defined(__amd64__) 85#define __LINUX_NPXCW__ 0x37f 86#endif 87 88#define LINUX_CLONE_VM 0x00000100 89#define LINUX_CLONE_FS 0x00000200 90#define LINUX_CLONE_FILES 0x00000400 91#define LINUX_CLONE_SIGHAND 0x00000800 92#define LINUX_CLONE_PID 0x00001000 /* No longer exist in Linux */ 93#define LINUX_CLONE_VFORK 0x00004000 94#define LINUX_CLONE_PARENT 0x00008000 95#define LINUX_CLONE_THREAD 0x00010000 96#define LINUX_CLONE_SETTLS 0x00080000 97#define LINUX_CLONE_PARENT_SETTID 0x00100000 98#define LINUX_CLONE_CHILD_CLEARTID 0x00200000 99#define LINUX_CLONE_CHILD_SETTID 0x01000000 100 101/* Scheduling policies */ 102#define LINUX_SCHED_OTHER 0 103#define LINUX_SCHED_FIFO 1 104#define LINUX_SCHED_RR 2 105 106struct l_new_utsname { 107 char sysname[LINUX_MAX_UTSNAME]; 108 char nodename[LINUX_MAX_UTSNAME]; 109 char release[LINUX_MAX_UTSNAME]; 110 char version[LINUX_MAX_UTSNAME]; 111 char machine[LINUX_MAX_UTSNAME]; 112 char domainname[LINUX_MAX_UTSNAME]; 113}; 114 115#define LINUX_CLOCK_REALTIME 0 116#define LINUX_CLOCK_MONOTONIC 1 117#define LINUX_CLOCK_PROCESS_CPUTIME_ID 2 118#define LINUX_CLOCK_THREAD_CPUTIME_ID 3 119#define LINUX_CLOCK_REALTIME_HR 4 120#define LINUX_CLOCK_MONOTONIC_HR 5 121 122#define LINUX_UTIME_NOW 0x3FFFFFFF 123#define LINUX_UTIME_OMIT 0x3FFFFFFE 124 125extern int stclohz; 126 127#define LINUX_WNOHANG 0x00000001 128#define LINUX_WUNTRACED 0x00000002 129#define LINUX_WSTOPPED LINUX_WUNTRACED 130#define LINUX_WEXITED 0x00000004 131#define LINUX_WCONTINUED 0x00000008 132#define LINUX_WNOWAIT 0x01000000 133 134 135#define __WNOTHREAD 0x20000000 136#define __WALL 0x40000000 137#define __WCLONE 0x80000000 138 139/* Linux waitid idtype */ 140#define LINUX_P_ALL 0 141#define LINUX_P_PID 1 142#define LINUX_P_PGID 2 143 144#define LINUX_RLIM_INFINITY (~0UL) 145 146int linux_common_wait(struct thread *td, int pid, int *status, 147 int options, struct rusage *ru); 148void linux_to_bsd_waitopts(int options, int *bsdopts); 149int linux_set_upcall_kse(struct thread *td, register_t stack); 150int linux_set_cloned_tls(struct thread *td, void *desc); 151struct thread *linux_tdfind(struct thread *, lwpid_t, pid_t); 152 153int linux_sysctl_debug(SYSCTL_HANDLER_ARGS); 154 155#endif /* _LINUX_MISC_H_ */ 156