236 lines
6.4 KiB
Perl
236 lines
6.4 KiB
Perl
.\" Copyright (c) 1983, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)a.t 8.1 (Berkeley) 6/8/93
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.\"
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.ds RH Summary of facilities
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.bp
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.SH
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\s+2I. Summary of facilities\s0
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.PP
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.de h
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.br
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.if n .ne 8
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\fB\\$1 \\$2\fP
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.br
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..
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.nr H1 0
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.NH
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Kernel primitives
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.LP
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.h 1.1. "Process naming and protection
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.in +5
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.TS
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lw(1.6i) aw(3i).
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sethostid set UNIX host id
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gethostid get UNIX host id
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sethostname set UNIX host name
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gethostname get UNIX host name
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getpid get process id
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fork create new process
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exit terminate a process
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execve execute a different process
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getuid get user id
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geteuid get effective user id
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setreuid set real and effective user id's
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getgid get accounting group id
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getegid get effective accounting group id
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getgroups get access group set
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setregid set real and effective group id's
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setgroups set access group set
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getpgrp get process group
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setpgrp set process group
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.TE
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.in -5
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.h 1.2 "Memory management
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.in +5
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.TS
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lw(1.6i) aw(3i).
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<sys/mman.h> memory management definitions
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sbrk change data section size
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sstk\(dg change stack section size
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getpagesize get memory page size
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mmap\(dg map pages of memory
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msync\(dg flush modified mapped pages to filesystem
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munmap\(dg unmap memory
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mprotect\(dg change protection of pages
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madvise\(dg give memory management advice
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mincore\(dg determine core residency of pages
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msleep\(dg sleep on a lock
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mwakeup\(dg wakeup process sleeping on a lock
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.TE
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.FS
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\(dg Not supported in 4.3BSD.
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.FE
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.in -5
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.h 1.3 "Signals
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.in +5
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.TS
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lw(1.6i) aw(3i).
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<signal.h> signal definitions
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sigvec set handler for signal
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kill send signal to process
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killpgrp send signal to process group
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sigblock block set of signals
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sigsetmask restore set of blocked signals
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sigpause wait for signals
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sigstack set software stack for signals
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.TE
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.in -5
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.h 1.4 "Timing and statistics
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.in +5
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.TS
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lw(1.6i) aw(3i).
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<sys/time.h> time-related definitions
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gettimeofday get current time and timezone
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settimeofday set current time and timezone
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getitimer read an interval timer
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setitimer get and set an interval timer
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profil profile process
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.TE
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.in -5
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.h 1.5 "Descriptors
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.in +5
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.TS
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lw(1.6i) aw(3i).
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getdtablesize descriptor reference table size
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dup duplicate descriptor
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dup2 duplicate to specified index
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close close descriptor
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select multiplex input/output
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fcntl control descriptor options
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wrap\(dg wrap descriptor with protocol
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.TE
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.FS
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\(dg Not supported in 4.3BSD.
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.FE
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.in -5
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.h 1.6 "Resource controls
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.in +5
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.TS
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lw(1.6i) aw(3i).
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<sys/resource.h> resource-related definitions
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getpriority get process priority
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setpriority set process priority
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getrusage get resource usage
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getrlimit get resource limitations
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setrlimit set resource limitations
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.TE
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.in -5
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.h 1.7 "System operation support
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.in +5
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.TS
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lw(1.6i) aw(3i).
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mount mount a device file system
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swapon add a swap device
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umount umount a file system
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sync flush system caches
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reboot reboot a machine
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acct specify accounting file
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.TE
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.in -5
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.NH
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System facilities
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.LP
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.h 2.1 "Generic operations
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.in +5
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.TS
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lw(1.6i) aw(3i).
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read read data
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write write data
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<sys/uio.h> scatter-gather related definitions
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readv scattered data input
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writev gathered data output
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<sys/ioctl.h> standard control operations
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ioctl device control operation
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.TE
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.in -5
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.h 2.2 "File system
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.PP
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Operations marked with a * exist in two forms: as shown,
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operating on a file name, and operating on a file descriptor,
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when the name is preceded with a ``f''.
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.in +5
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.TS
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lw(1.6i) aw(3i).
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<sys/file.h> file system definitions
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chdir change directory
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chroot change root directory
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mkdir make a directory
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rmdir remove a directory
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open open a new or existing file
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mknod make a special file
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portal\(dg make a portal entry
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unlink remove a link
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stat* return status for a file
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lstat returned status of link
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chown* change owner
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chmod* change mode
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utimes change access/modify times
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link make a hard link
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symlink make a symbolic link
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readlink read contents of symbolic link
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rename change name of file
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lseek reposition within file
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truncate* truncate file
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access determine accessibility
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flock lock a file
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.TE
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.in -5
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.h 2.3 "Communications
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.in +5
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.TS
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lw(1.6i) aw(3i).
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<sys/socket.h> standard definitions
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socket create socket
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bind bind socket to name
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getsockname get socket name
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listen allow queuing of connections
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accept accept a connection
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connect connect to peer socket
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socketpair create pair of connected sockets
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sendto send data to named socket
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send send data to connected socket
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recvfrom receive data on unconnected socket
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recv receive data on connected socket
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sendmsg send gathered data and/or rights
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recvmsg receive scattered data and/or rights
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shutdown partially close full-duplex connection
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getsockopt get socket option
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setsockopt set socket option
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.TE
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.in -5
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.h 2.4 "Terminals, block and character devices
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.in +5
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.in -5
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.h 2.5 "Processes and kernel hooks
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.in +5
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