2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2006 Roman Divacky
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 #ifndef _LINUX_MISC_H_
32 #define _LINUX_MISC_H_
34 #include <sys/sysctl.h>
37 #define LINUX_NFDBITS sizeof(l_fd_mask) * 8
42 #define LINUX_NAME_MAX 255
43 #define LINUX_MAX_UTSNAME 65
45 #define LINUX_CTL_MAXNAME 10
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
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. */
58 #define LINUX_MAX_COMM_LEN 16 /* Maximum length of the process name. */
60 #define LINUX_MREMAP_MAYMOVE 1
61 #define LINUX_MREMAP_FIXED 2
63 #define LINUX_PATH_MAX 4096
65 extern const char *linux_kplatform;
68 * Non-standard aux entry types used in Linux ELF binaries.
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.
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 */
83 #define LINUX_AT_RANDOM_LEN 16 /* size of random bytes */
85 /* Linux sets the i387 to extended precision. */
86 #if defined(__i386__) || defined(__amd64__)
87 #define __LINUX_NPXCW__ 0x37f
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
103 /* Scheduling policies */
104 #define LINUX_SCHED_OTHER 0
105 #define LINUX_SCHED_FIFO 1
106 #define LINUX_SCHED_RR 2
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];
117 #define LINUX_UTIME_NOW 0x3FFFFFFF
118 #define LINUX_UTIME_OMIT 0x3FFFFFFE
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
130 #define __WNOTHREAD 0x20000000
131 #define __WALL 0x40000000
132 #define __WCLONE 0x80000000
134 /* Linux waitid idtype */
135 #define LINUX_P_ALL 0
136 #define LINUX_P_PID 1
137 #define LINUX_P_PGID 2
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
146 #define LINUX_RLIM_INFINITY (~0UL)
148 /* Linux getrandom flags */
149 #define LINUX_GRND_NONBLOCK 0x0001
150 #define LINUX_GRND_RANDOM 0x0002
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);
159 int linux_sysctl_debug(SYSCTL_HANDLER_ARGS);
161 #endif /* _LINUX_MISC_H_ */