home *** CD-ROM | disk | FTP | other *** search
- .\" Copyright (c) 1983 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 6.6 (Berkeley) 4/17/91
- .\"
- .ds RH Summary of facilities
- .bp
- .SH
- \s+2I. Summary of facilities\s0
- .PP
- .de h
- .br
- .if n .ne 8
- \fB\\$1 \\$2\fP
- .br
- ..
- .nr H1 0
- .NH
- Kernel primitives
- .LP
- .h 1.1. "Process naming and protection
- .in +5
- .TS
- lw(1.6i) aw(3i).
- 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
- .TE
- .in -5
- .h 1.2 "Memory management
- .in +5
- .TS
- lw(1.6i) aw(3i).
- <sys/mman.h> memory management definitions
- sbrk change data section size
- sstk\(dg change stack section size
- .FS
- \(dg Not supported in 4.3BSD.
- .FE
- 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
- .TE
- .in -5
- .h 1.3 "Signals
- .in +5
- .TS
- lw(1.6i) aw(3i).
- <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
- .TE
- .in -5
- .h 1.4 "Timing and statistics
- .in +5
- .TS
- lw(1.6i) aw(3i).
- <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
- .TE
- .in -5
- .h 1.5 "Descriptors
- .in +5
- .TS
- lw(1.6i) aw(3i).
- 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
- .FS
- \(dg Not supported in 4.3BSD.
- .FE
- .TE
- .in -5
- .h 1.6 "Resource controls
- .in +5
- .TS
- lw(1.6i) aw(3i).
- <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
- .TE
- .in -5
- .h 1.7 "System operation support
- .in +5
- .TS
- lw(1.6i) aw(3i).
- 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
- .TE
- .in -5
- .NH
- System facilities
- .LP
- .h 2.1 "Generic operations
- .in +5
- .TS
- lw(1.6i) aw(3i).
- 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
- .TE
- .in -5
- .h 2.2 "File system
- .PP
- 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''.
- .in +5
- .TS
- lw(1.6i) aw(3i).
- <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
- .TE
- .in -5
- .h 2.3 "Communications
- .in +5
- .TS
- lw(1.6i) aw(3i).
- <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
- .TE
- .in -5
- .h 2.4 "Terminals, block and character devices
- .in +5
- .TS
- lw(1.6i) aw(3i).
- .TE
- .in -5
- .h 2.5 "Processes and kernel hooks
- .in +5
- .TS
- lw(1.6i) aw(3i).
- .TE
- .in -5
-