2 * SPDX-License-Identifier: BSD-3-Clause
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 * in this position and unchanged.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #ifndef _LINUX_MISC_H_
34 #define _LINUX_MISC_H_
36 #include <sys/sysctl.h>
39 #define LINUX_NFDBITS sizeof(l_fd_mask) * 8
44 #define LINUX_NAME_MAX 255
45 #define LINUX_MAX_UTSNAME 65
47 #define LINUX_CTL_MAXNAME 10
49 /* defines for prctl */
50 #define LINUX_PR_SET_PDEATHSIG 1 /* Second arg is a signal. */
51 #define LINUX_PR_GET_PDEATHSIG 2 /*
52 * Second arg is a ptr to return the
55 #define LINUX_PR_GET_KEEPCAPS 7 /* Get drop capabilities on setuid */
56 #define LINUX_PR_SET_KEEPCAPS 8 /* Set drop capabilities on setuid */
57 #define LINUX_PR_SET_NAME 15 /* Set process name. */
58 #define LINUX_PR_GET_NAME 16 /* Get process name. */
60 #define LINUX_MAX_COMM_LEN 16 /* Maximum length of the process name. */
62 #define LINUX_MREMAP_MAYMOVE 1
63 #define LINUX_MREMAP_FIXED 2
65 #define LINUX_PATH_MAX 4096
67 extern const char *linux_kplatform;
70 * Non-standard aux entry types used in Linux ELF binaries.
73 #define LINUX_AT_PLATFORM 15 /* String identifying CPU */
74 #define LINUX_AT_HWCAP 16 /* CPU capabilities */
75 #define LINUX_AT_CLKTCK 17 /* frequency at which times() increments */
76 #define LINUX_AT_SECURE 23 /* secure mode boolean */
77 #define LINUX_AT_BASE_PLATFORM 24 /* string identifying real platform, may
78 * differ from AT_PLATFORM.
80 #define LINUX_AT_RANDOM 25 /* address of random bytes */
81 #define LINUX_AT_EXECFN 31 /* filename of program */
82 #define LINUX_AT_SYSINFO 32 /* vsyscall */
83 #define LINUX_AT_SYSINFO_EHDR 33 /* vdso header */
85 #define LINUX_AT_RANDOM_LEN 16 /* size of random bytes */
87 /* Linux sets the i387 to extended precision. */
88 #if defined(__i386__) || defined(__amd64__)
89 #define __LINUX_NPXCW__ 0x37f
92 #define LINUX_CLONE_VM 0x00000100
93 #define LINUX_CLONE_FS 0x00000200
94 #define LINUX_CLONE_FILES 0x00000400
95 #define LINUX_CLONE_SIGHAND 0x00000800
96 #define LINUX_CLONE_PID 0x00001000 /* No longer exist in Linux */
97 #define LINUX_CLONE_VFORK 0x00004000
98 #define LINUX_CLONE_PARENT 0x00008000
99 #define LINUX_CLONE_THREAD 0x00010000
100 #define LINUX_CLONE_SETTLS 0x00080000
101 #define LINUX_CLONE_PARENT_SETTID 0x00100000
102 #define LINUX_CLONE_CHILD_CLEARTID 0x00200000
103 #define LINUX_CLONE_CHILD_SETTID 0x01000000
105 /* Scheduling policies */
106 #define LINUX_SCHED_OTHER 0
107 #define LINUX_SCHED_FIFO 1
108 #define LINUX_SCHED_RR 2
110 struct l_new_utsname {
111 char sysname[LINUX_MAX_UTSNAME];
112 char nodename[LINUX_MAX_UTSNAME];
113 char release[LINUX_MAX_UTSNAME];
114 char version[LINUX_MAX_UTSNAME];
115 char machine[LINUX_MAX_UTSNAME];
116 char domainname[LINUX_MAX_UTSNAME];
119 #define LINUX_UTIME_NOW 0x3FFFFFFF
120 #define LINUX_UTIME_OMIT 0x3FFFFFFE
124 #define LINUX_WNOHANG 0x00000001
125 #define LINUX_WUNTRACED 0x00000002
126 #define LINUX_WSTOPPED LINUX_WUNTRACED
127 #define LINUX_WEXITED 0x00000004
128 #define LINUX_WCONTINUED 0x00000008
129 #define LINUX_WNOWAIT 0x01000000
132 #define __WNOTHREAD 0x20000000
133 #define __WALL 0x40000000
134 #define __WCLONE 0x80000000
136 /* Linux waitid idtype */
137 #define LINUX_P_ALL 0
138 #define LINUX_P_PID 1
139 #define LINUX_P_PGID 2
141 #define LINUX_RLIMIT_LOCKS RLIM_NLIMITS + 1
142 #define LINUX_RLIMIT_SIGPENDING RLIM_NLIMITS + 2
143 #define LINUX_RLIMIT_MSGQUEUE RLIM_NLIMITS + 3
144 #define LINUX_RLIMIT_NICE RLIM_NLIMITS + 4
145 #define LINUX_RLIMIT_RTPRIO RLIM_NLIMITS + 5
146 #define LINUX_RLIMIT_RTTIME RLIM_NLIMITS + 6
148 #define LINUX_RLIM_INFINITY (~0UL)
150 /* Linux getrandom flags */
151 #define LINUX_GRND_NONBLOCK 0x0001
152 #define LINUX_GRND_RANDOM 0x0002
154 int linux_common_wait(struct thread *td, int pid, int *status,
155 int options, struct rusage *ru);
156 void linux_to_bsd_waitopts(int options, int *bsdopts);
157 int linux_set_upcall_kse(struct thread *td, register_t stack);
158 int linux_set_cloned_tls(struct thread *td, void *desc);
159 struct thread *linux_tdfind(struct thread *, lwpid_t, pid_t);
161 int linux_sysctl_debug(SYSCTL_HANDLER_ARGS);
163 #endif /* _LINUX_MISC_H_ */