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: releng/10.3/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
63 extern 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
106 struct 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
125 extern 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
146 int linux_common_wait(struct thread *td, int pid, int *status,
147 int options, struct rusage *ru);
148 void linux_to_bsd_waitopts(int options, int *bsdopts);
149 int linux_set_upcall_kse(struct thread *td, register_t stack);
150 int linux_set_cloned_tls(struct thread *td, void *desc);
151 struct thread *linux_tdfind(struct thread *, lwpid_t, pid_t);
152
153 int linux_sysctl_debug(SYSCTL_HANDLER_ARGS);
154
155 #endif /* _LINUX_MISC_H_ */
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