Copyright (c) 1983, 1993
The Regents of the University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this software
must display the following acknowledgement:
This product includes software developed by the University of
California, Berkeley and its contributors.
4. Neither the name of the University nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
@(#)a.t 8.1 (Berkeley) 6/8/93
.bp \s+2I. Summary of facilities\s0
.h 1.2 "Memory management
.FS
\(dg Not supported in 4.3BSD.
.FE
.h 1.3 "Signals
.h 1.4 "Timing and statistics
.h 1.5 "Descriptors
.FS
\(dg Not supported in 4.3BSD.
.FE
.h 1.6 "Resource controls
.h 1.7 "System operation support
System facilities
.h 2.2 "File system
.h 2.3 "Communications
.h 2.4 "Terminals, block and character devices
.h 2.5 "Processes and kernel hooks
The Regents of the University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this software
must display the following acknowledgement:
This product includes software developed by the University of
California, Berkeley and its contributors.
4. Neither the name of the University nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
@(#)a.t 8.1 (Berkeley) 6/8/93
.bp \s+2I. Summary of facilities\s0
\\$1 \\$2
.. .nr H1 0
Kernel primitives.h 1.1. "Process naming and protection
| sethostid set UNIX host id |
| gethostid get UNIX host id |
| sethostname set UNIX host name |
| gethostname get UNIX host name |
| getpid get process id |
| fork create new process |
| exit terminate a process |
| execve execute a different process |
| getuid get user id |
| geteuid get effective user id |
| setreuid set real and effective user id's |
| getgid get accounting group id |
| getegid get effective accounting group id |
| getgroups get access group set |
| setregid set real and effective group id's |
| setgroups set access group set |
| getpgrp get process group |
| setpgrp set process group |
| <sys/mman.h> memory management definitions |
| sbrk change data section size |
| sstk\(dg change stack section size |
| getpagesize get memory page size |
| mmap\(dg map pages of memory |
| msync\(dg flush modified mapped pages to filesystem |
| munmap\(dg unmap memory |
| mprotect\(dg change protection of pages |
| madvise\(dg give memory management advice |
| mincore\(dg determine core residency of pages |
| msleep\(dg sleep on a lock |
| mwakeup\(dg wakeup process sleeping on a lock |
| <signal.h> signal definitions |
| sigvec set handler for signal |
| kill send signal to process |
| killpgrp send signal to process group |
| sigblock block set of signals |
| sigsetmask restore set of blocked signals |
| sigpause wait for signals |
| sigstack set software stack for signals |
| <sys/time.h> time-related definitions |
| gettimeofday get current time and timezone |
| settimeofday set current time and timezone |
| getitimer read an interval timer |
| setitimer get and set an interval timer |
| profil profile process |
| getdtablesize descriptor reference table size |
| dup duplicate descriptor |
| dup2 duplicate to specified index |
| close close descriptor |
| select multiplex input/output |
| fcntl control descriptor options |
| wrap\(dg wrap descriptor with protocol |
| <sys/resource.h> resource-related definitions |
| getpriority get process priority |
| setpriority set process priority |
| getrusage get resource usage |
| getrlimit get resource limitations |
| setrlimit set resource limitations |
| mount mount a device file system |
| swapon add a swap device |
| umount umount a file system |
| sync flush system caches |
| reboot reboot a machine |
| acct specify accounting file |
.h 2.1 "Generic operations
| read read data |
| write write data |
| <sys/uio.h> scatter-gather related definitions |
| readv scattered data input |
| writev gathered data output |
| <sys/ioctl.h> standard control operations |
| ioctl device control operation |
Operations marked with a * exist in two forms: as shown, operating on a file name, and operating on a file descriptor, when the name is preceded with a ``f''.
| <sys/file.h> file system definitions |
| chdir change directory |
| chroot change root directory |
| mkdir make a directory |
| rmdir remove a directory |
| open open a new or existing file |
| mknod make a special file |
| portal\(dg make a portal entry |
| unlink remove a link |
| stat* return status for a file |
| lstat returned status of link |
| chown* change owner |
| chmod* change mode |
| utimes change access/modify times |
| link make a hard link |
| symlink make a symbolic link |
| readlink read contents of symbolic link |
| rename change name of file |
| lseek reposition within file |
| truncate* truncate file |
| access determine accessibility |
| flock lock a file |
| <sys/socket.h> standard definitions |
| socket create socket |
| bind bind socket to name |
| getsockname get socket name |
| listen allow queuing of connections |
| accept accept a connection |
| connect connect to peer socket |
| socketpair create pair of connected sockets |
| sendto send data to named socket |
| send send data to connected socket |
| recvfrom receive data on unconnected socket |
| recv receive data on connected socket |
| sendmsg send gathered data and/or rights |
| recvmsg receive scattered data and/or rights |
| shutdown partially close full-duplex connection |
| getsockopt get socket option |
| setsockopt set socket option |