src/missing.h

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 #ifndef foomissinghfoo
   4 #define foomissinghfoo
   5
   6 /***
   7   This file is part of systemd.
   8
   9   Copyright 2010 Lennart Poettering
  10
  11   systemd is free software; you can redistribute it and/or modify it
  12   under the terms of the GNU General Public License as published by
  13   the Free Software Foundation; either version 2 of the License, or
  14   (at your option) any later version.
  15
  16   systemd is distributed in the hope that it will be useful, but
  17   WITHOUT ANY WARRANTY; without even the implied warranty of
  18   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19   General Public License for more details.
  20
  21   You should have received a copy of the GNU General Public License
  22   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  23 ***/
  24
  25 /* Missing glibc definitions to access certain kernel APIs */
  26
  27 #include <sys/resource.h>
  28 #include <sys/syscall.h>
  29 #include <fcntl.h>
  30 #include <unistd.h>
  31 #include <linux/oom.h>
  32
  33 #ifdef HAVE_AUDIT
  34 #include <libaudit.h>
  35 #endif
  36
  37 #include "macro.h"
  38
  39 #ifdef ARCH_MIPS
  40 #include <asm/sgidefs.h>
  41 #endif
  42
  43 #ifndef RLIMIT_RTTIME
  44 #define RLIMIT_RTTIME 15
  45 #endif
  46
  47 #ifndef F_LINUX_SPECIFIC_BASE
  48 #define F_LINUX_SPECIFIC_BASE 1024
  49 #endif
  50
  51 #ifndef F_SETPIPE_SZ
  52 #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
  53 #endif
  54
  55 #ifndef F_GETPIPE_SZ
  56 #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
  57 #endif
  58
  59 #ifndef IP_FREEBIND
  60 #define IP_FREEBIND 15
  61 #endif
  62
  63 #ifndef OOM_SCORE_ADJ_MIN
  64 #define OOM_SCORE_ADJ_MIN (-1000)
  65 #endif
  66
  67 #ifndef OOM_SCORE_ADJ_MAX
  68 #define OOM_SCORE_ADJ_MAX 1000
  69 #endif
  70
  71 #ifndef AUDIT_SERVICE_START
  72 #define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
  73 #endif
  74
  75 #ifndef AUDIT_SERVICE_STOP
  76 #define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
  77 #endif
  78
  79 #ifndef TIOCVHANGUP
  80 #define TIOCVHANGUP 0x5437
  81 #endif
  82
  83 #ifndef IP_TRANSPARENT
  84 #define IP_TRANSPARENT 19
  85 #endif
  86
  87 static inline int pivot_root(const char *new_root, const char *put_old) {
  88         return syscall(SYS_pivot_root, new_root, put_old);
  89 }
  90
  91 #ifdef __x86_64__
  92 #  ifndef __NR_fanotify_init
  93 #    define __NR_fanotify_init 300
  94 #  endif
  95 #  ifndef __NR_fanotify_mark
  96 #    define __NR_fanotify_mark 301
  97 #  endif
  98 #elif defined _MIPS_SIM
  99 #  if _MIPS_SIM == _MIPS_SIM_ABI32
 100 #    ifndef __NR_fanotify_init
 101 #      define __NR_fanotify_init 4336
 102 #    endif
 103 #    ifndef __NR_fanotify_mark
 104 #      define __NR_fanotify_mark 4337
 105 #    endif
 106 #  elif _MIPS_SIM == _MIPS_SIM_NABI32
 107 #    ifndef __NR_fanotify_init
 108 #      define __NR_fanotify_init 6300
 109 #    endif
 110 #    ifndef __NR_fanotify_mark
 111 #      define __NR_fanotify_mark 6301
 112 #    endif
 113 #  elif _MIPS_SIM == _MIPS_SIM_ABI64
 114 #    ifndef __NR_fanotify_init
 115 #      define __NR_fanotify_init 5295
 116 #    endif
 117 #    ifndef __NR_fanotify_mark
 118 #      define __NR_fanotify_mark 5296
 119 #    endif
 120 #  endif
 121 #else
 122 #  ifndef __NR_fanotify_init
 123 #    define __NR_fanotify_init 338
 124 #  endif
 125 #  ifndef __NR_fanotify_mark
 126 #    define __NR_fanotify_mark 339
 127 #  endif
 128 #endif
 129
 130 static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags) {
 131         return syscall(__NR_fanotify_init, flags, event_f_flags);
 132 }
 133
 134 static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask,
 135                                 int dfd, const char *pathname) {
 136 #if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32
 137         union {
 138                 uint64_t _64;
 139                 uint32_t _32[2];
 140         } _mask;
 141         _mask._64 = mask;
 142
 143         return syscall(__NR_fanotify_mark, fanotify_fd, flags,
 144                        _mask._32[0], _mask._32[1], dfd, pathname);
 145 #else
 146         return syscall(__NR_fanotify_mark, fanotify_fd, flags, mask, dfd, pathname);
 147 #endif
 148 }
 149
 150 #ifndef BTRFS_IOCTL_MAGIC
 151 #define BTRFS_IOCTL_MAGIC 0x94
 152 #endif
 153
 154 #ifndef BTRFS_PATH_NAME_MAX
 155 #define BTRFS_PATH_NAME_MAX 4087
 156 #endif
 157
 158 struct btrfs_ioctl_vol_args {
 159         int64_t fd;
 160         char name[BTRFS_PATH_NAME_MAX + 1];
 161 };
 162
 163 #ifndef BTRFS_IOC_DEFRAG
 164 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, struct btrfs_ioctl_vol_args)
 165 #endif
 166
 167 #ifndef BTRFS_SUPER_MAGIC
 168 #define BTRFS_SUPER_MAGIC 0x9123683E
 169 #endif
 170
 171 #ifndef MS_MOVE
 172 #define MS_MOVE 8192
 173 #endif
 174
 175 #ifndef MS_PRIVATE
 176 #define MS_PRIVATE  (1 << 18)
 177 #endif
 178
 179 static inline pid_t gettid(void) {
 180         return (pid_t) syscall(SYS_gettid);
 181 }
 182
 183 #endif