| 1 | .\" Copyright (c) 1983 The Regents of the University of California. |
| 2 | .\" All rights reserved. |
| 3 | .\" |
| 4 | .\" Redistribution and use in source and binary forms, with or without |
| 5 | .\" modification, are permitted provided that the following conditions |
| 6 | .\" are met: |
| 7 | .\" 1. Redistributions of source code must retain the above copyright |
| 8 | .\" notice, this list of conditions and the following disclaimer. |
| 9 | .\" 2. Redistributions in binary form must reproduce the above copyright |
| 10 | .\" notice, this list of conditions and the following disclaimer in the |
| 11 | .\" documentation and/or other materials provided with the distribution. |
| 12 | .\" 3. All advertising materials mentioning features or use of this software |
| 13 | .\" must display the following acknowledgement: |
| 14 | .\" This product includes software developed by the University of |
| 15 | .\" California, Berkeley and its contributors. |
| 16 | .\" 4. Neither the name of the University nor the names of its contributors |
| 17 | .\" may be used to endorse or promote products derived from this software |
| 18 | .\" without specific prior written permission. |
| 19 | .\" |
| 20 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 21 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 22 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 23 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 24 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 25 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 26 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 27 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 28 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 30 | .\" SUCH DAMAGE. |
| 31 | .\" |
| 32 | .\" @(#)a.t 6.6 (Berkeley) 4/17/91 |
| 33 | .\" |
| 34 | .ds RH Summary of facilities |
| 35 | .bp |
| 36 | .SH |
| 37 | \s+2I. Summary of facilities\s0 |
| 38 | .PP |
| 39 | .de h |
| 40 | .br |
| 41 | .if n .ne 8 |
| 42 | \fB\\$1 \\$2\fP |
| 43 | .br |
| 44 | .. |
| 45 | .nr H1 0 |
| 46 | .NH |
| 47 | Kernel primitives |
| 48 | .LP |
| 49 | .h 1.1. "Process naming and protection |
| 50 | .in +5 |
| 51 | .TS |
| 52 | lw(1.6i) aw(3i). |
| 53 | sethostid set UNIX host id |
| 54 | gethostid get UNIX host id |
| 55 | sethostname set UNIX host name |
| 56 | gethostname get UNIX host name |
| 57 | getpid get process id |
| 58 | fork create new process |
| 59 | exit terminate a process |
| 60 | execve execute a different process |
| 61 | getuid get user id |
| 62 | geteuid get effective user id |
| 63 | setreuid set real and effective user id's |
| 64 | getgid get accounting group id |
| 65 | getegid get effective accounting group id |
| 66 | getgroups get access group set |
| 67 | setregid set real and effective group id's |
| 68 | setgroups set access group set |
| 69 | getpgrp get process group |
| 70 | setpgrp set process group |
| 71 | .TE |
| 72 | .in -5 |
| 73 | .h 1.2 "Memory management |
| 74 | .in +5 |
| 75 | .TS |
| 76 | lw(1.6i) aw(3i). |
| 77 | <sys/mman.h> memory management definitions |
| 78 | sbrk change data section size |
| 79 | sstk\(dg change stack section size |
| 80 | getpagesize get memory page size |
| 81 | mmap\(dg map pages of memory |
| 82 | msync\(dg flush modified mapped pages to filesystem |
| 83 | munmap\(dg unmap memory |
| 84 | mprotect\(dg change protection of pages |
| 85 | madvise\(dg give memory management advice |
| 86 | mincore\(dg determine core residency of pages |
| 87 | msleep\(dg sleep on a lock |
| 88 | mwakeup\(dg wakeup process sleeping on a lock |
| 89 | .FS |
| 90 | \(dg Not supported in 4.3BSD. |
| 91 | .FE |
| 92 | .TE |
| 93 | .in -5 |
| 94 | .h 1.3 "Signals |
| 95 | .in +5 |
| 96 | .TS |
| 97 | lw(1.6i) aw(3i). |
| 98 | <signal.h> signal definitions |
| 99 | sigvec set handler for signal |
| 100 | kill send signal to process |
| 101 | killpgrp send signal to process group |
| 102 | sigblock block set of signals |
| 103 | sigsetmask restore set of blocked signals |
| 104 | sigpause wait for signals |
| 105 | sigstack set software stack for signals |
| 106 | .TE |
| 107 | .in -5 |
| 108 | .h 1.4 "Timing and statistics |
| 109 | .in +5 |
| 110 | .TS |
| 111 | lw(1.6i) aw(3i). |
| 112 | <sys/time.h> time-related definitions |
| 113 | gettimeofday get current time and timezone |
| 114 | settimeofday set current time and timezone |
| 115 | getitimer read an interval timer |
| 116 | setitimer get and set an interval timer |
| 117 | profil profile process |
| 118 | .TE |
| 119 | .in -5 |
| 120 | .h 1.5 "Descriptors |
| 121 | .in +5 |
| 122 | .TS |
| 123 | lw(1.6i) aw(3i). |
| 124 | getdtablesize descriptor reference table size |
| 125 | dup duplicate descriptor |
| 126 | dup2 duplicate to specified index |
| 127 | close close descriptor |
| 128 | select multiplex input/output |
| 129 | fcntl control descriptor options |
| 130 | wrap\(dg wrap descriptor with protocol |
| 131 | .FS |
| 132 | \(dg Not supported in 4.3BSD. |
| 133 | .FE |
| 134 | .TE |
| 135 | .in -5 |
| 136 | .h 1.6 "Resource controls |
| 137 | .in +5 |
| 138 | .TS |
| 139 | lw(1.6i) aw(3i). |
| 140 | <sys/resource.h> resource-related definitions |
| 141 | getpriority get process priority |
| 142 | setpriority set process priority |
| 143 | getrusage get resource usage |
| 144 | getrlimit get resource limitations |
| 145 | setrlimit set resource limitations |
| 146 | .TE |
| 147 | .in -5 |
| 148 | .h 1.7 "System operation support |
| 149 | .in +5 |
| 150 | .TS |
| 151 | lw(1.6i) aw(3i). |
| 152 | mount mount a device file system |
| 153 | swapon add a swap device |
| 154 | umount umount a file system |
| 155 | sync flush system caches |
| 156 | reboot reboot a machine |
| 157 | acct specify accounting file |
| 158 | .TE |
| 159 | .in -5 |
| 160 | .NH |
| 161 | System facilities |
| 162 | .LP |
| 163 | .h 2.1 "Generic operations |
| 164 | .in +5 |
| 165 | .TS |
| 166 | lw(1.6i) aw(3i). |
| 167 | read read data |
| 168 | write write data |
| 169 | <sys/uio.h> scatter-gather related definitions |
| 170 | readv scattered data input |
| 171 | writev gathered data output |
| 172 | <sys/ioctl.h> standard control operations |
| 173 | ioctl device control operation |
| 174 | .TE |
| 175 | .in -5 |
| 176 | .h 2.2 "File system |
| 177 | .PP |
| 178 | Operations marked with a * exist in two forms: as shown, |
| 179 | operating on a file name, and operating on a file descriptor, |
| 180 | when the name is preceded with a ``f''. |
| 181 | .in +5 |
| 182 | .TS |
| 183 | lw(1.6i) aw(3i). |
| 184 | <sys/file.h> file system definitions |
| 185 | chdir change directory |
| 186 | chroot change root directory |
| 187 | mkdir make a directory |
| 188 | rmdir remove a directory |
| 189 | open open a new or existing file |
| 190 | mknod make a special file |
| 191 | portal\(dg make a portal entry |
| 192 | unlink remove a link |
| 193 | stat* return status for a file |
| 194 | lstat returned status of link |
| 195 | chown* change owner |
| 196 | chmod* change mode |
| 197 | utimes change access/modify times |
| 198 | link make a hard link |
| 199 | symlink make a symbolic link |
| 200 | readlink read contents of symbolic link |
| 201 | rename change name of file |
| 202 | lseek reposition within file |
| 203 | truncate* truncate file |
| 204 | access determine accessibility |
| 205 | flock lock a file |
| 206 | .TE |
| 207 | .in -5 |
| 208 | .h 2.3 "Communications |
| 209 | .in +5 |
| 210 | .TS |
| 211 | lw(1.6i) aw(3i). |
| 212 | <sys/socket.h> standard definitions |
| 213 | socket create socket |
| 214 | bind bind socket to name |
| 215 | getsockname get socket name |
| 216 | listen allow queuing of connections |
| 217 | accept accept a connection |
| 218 | connect connect to peer socket |
| 219 | socketpair create pair of connected sockets |
| 220 | sendto send data to named socket |
| 221 | send send data to connected socket |
| 222 | recvfrom receive data on unconnected socket |
| 223 | recv receive data on connected socket |
| 224 | sendmsg send gathered data and/or rights |
| 225 | recvmsg receive scattered data and/or rights |
| 226 | shutdown partially close full-duplex connection |
| 227 | getsockopt get socket option |
| 228 | setsockopt set socket option |
| 229 | .TE |
| 230 | .in -5 |
| 231 | .h 2.4 "Terminals, block and character devices |
| 232 | .in +5 |
| 233 | .TS |
| 234 | lw(1.6i) aw(3i). |
| 235 | .TE |
| 236 | .in -5 |
| 237 | .h 2.5 "Processes and kernel hooks |
| 238 | .in +5 |
| 239 | .TS |
| 240 | lw(1.6i) aw(3i). |
| 241 | .TE |
| 242 | .in -5 |