1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2006 Roman Divacky 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 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 63 #define LINUX_PATH_MAX 4096 64 65 extern const char *linux_kplatform; 66 67 /* 68 * Non-standard aux entry types used in Linux ELF binaries. 69 */ 70 71 #define LINUX_AT_PLATFORM 15 /* String identifying CPU */ 72 #define LINUX_AT_HWCAP 16 /* CPU capabilities */ 73 #define LINUX_AT_CLKTCK 17 /* frequency at which times() increments */ 74 #define LINUX_AT_SECURE 23 /* secure mode boolean */ 75 #define LINUX_AT_BASE_PLATFORM 24 /* string identifying real platform, may 76 * differ from AT_PLATFORM. 77 */ 78 #define LINUX_AT_RANDOM 25 /* address of random bytes */ 79 #define LINUX_AT_EXECFN 31 /* filename of program */ 80 #define LINUX_AT_SYSINFO 32 /* vsyscall */ 81 #define LINUX_AT_SYSINFO_EHDR 33 /* vdso header */ 82 83 #define LINUX_AT_RANDOM_LEN 16 /* size of random bytes */ 84 85 /* Linux sets the i387 to extended precision. */ 86 #if defined(__i386__) || defined(__amd64__) 87 #define __LINUX_NPXCW__ 0x37f 88 #endif 89 90 #define LINUX_CLONE_VM 0x00000100 91 #define LINUX_CLONE_FS 0x00000200 92 #define LINUX_CLONE_FILES 0x00000400 93 #define LINUX_CLONE_SIGHAND 0x00000800 94 #define LINUX_CLONE_PID 0x00001000 /* No longer exist in Linux */ 95 #define LINUX_CLONE_VFORK 0x00004000 96 #define LINUX_CLONE_PARENT 0x00008000 97 #define LINUX_CLONE_THREAD 0x00010000 98 #define LINUX_CLONE_SETTLS 0x00080000 99 #define LINUX_CLONE_PARENT_SETTID 0x00100000 100 #define LINUX_CLONE_CHILD_CLEARTID 0x00200000 101 #define LINUX_CLONE_CHILD_SETTID 0x01000000 102 103 /* Scheduling policies */ 104 #define LINUX_SCHED_OTHER 0 105 #define LINUX_SCHED_FIFO 1 106 #define LINUX_SCHED_RR 2 107 108 struct l_new_utsname { 109 char sysname[LINUX_MAX_UTSNAME]; 110 char nodename[LINUX_MAX_UTSNAME]; 111 char release[LINUX_MAX_UTSNAME]; 112 char version[LINUX_MAX_UTSNAME]; 113 char machine[LINUX_MAX_UTSNAME]; 114 char domainname[LINUX_MAX_UTSNAME]; 115 }; 116 117 #define LINUX_UTIME_NOW 0x3FFFFFFF 118 #define LINUX_UTIME_OMIT 0x3FFFFFFE 119 120 extern int stclohz; 121 122 #define LINUX_WNOHANG 0x00000001 123 #define LINUX_WUNTRACED 0x00000002 124 #define LINUX_WSTOPPED LINUX_WUNTRACED 125 #define LINUX_WEXITED 0x00000004 126 #define LINUX_WCONTINUED 0x00000008 127 #define LINUX_WNOWAIT 0x01000000 128 129 130 #define __WNOTHREAD 0x20000000 131 #define __WALL 0x40000000 132 #define __WCLONE 0x80000000 133 134 /* Linux waitid idtype */ 135 #define LINUX_P_ALL 0 136 #define LINUX_P_PID 1 137 #define LINUX_P_PGID 2 138 139 #define LINUX_RLIMIT_LOCKS RLIM_NLIMITS + 1 140 #define LINUX_RLIMIT_SIGPENDING RLIM_NLIMITS + 2 141 #define LINUX_RLIMIT_MSGQUEUE RLIM_NLIMITS + 3 142 #define LINUX_RLIMIT_NICE RLIM_NLIMITS + 4 143 #define LINUX_RLIMIT_RTPRIO RLIM_NLIMITS + 5 144 #define LINUX_RLIMIT_RTTIME RLIM_NLIMITS + 6 145 146 #define LINUX_RLIM_INFINITY (~0UL) 147 148 /* Linux getrandom flags */ 149 #define LINUX_GRND_NONBLOCK 0x0001 150 #define LINUX_GRND_RANDOM 0x0002 151 152 int linux_common_wait(struct thread *td, int pid, int *status, 153 int options, struct rusage *ru); 154 void linux_to_bsd_waitopts(int options, int *bsdopts); 155 int linux_set_upcall_kse(struct thread *td, register_t stack); 156 int linux_set_cloned_tls(struct thread *td, void *desc); 157 struct thread *linux_tdfind(struct thread *, lwpid_t, pid_t); 158 159 int linux_sysctl_debug(SYSCTL_HANDLER_ARGS); 160 161 #endif /* _LINUX_MISC_H_ */ 162