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1.1 ! root 1: .\" Copyright (c) 1983 Regents of the University of California. ! 2: .\" All rights reserved. The Berkeley software License Agreement ! 3: .\" specifies the terms and conditions for redistribution. ! 4: .\" ! 5: .\" @(#)a.t 6.5 (Berkeley) 5/12/86 ! 6: .\" ! 7: .ds RH Summary of facilities ! 8: .bp ! 9: .SH ! 10: \s+2I. Summary of facilities\s0 ! 11: .PP ! 12: .de h ! 13: .br ! 14: .if n .ne 8 ! 15: \fB\\$1 \\$2\fP ! 16: .br ! 17: .. ! 18: .nr H1 0 ! 19: .NH ! 20: Kernel primitives ! 21: .LP ! 22: .h 1.1. "Process naming and protection ! 23: .in +5 ! 24: .TS ! 25: lw(1.6i) aw(3i). ! 26: sethostid set UNIX host id ! 27: gethostid get UNIX host id ! 28: sethostname set UNIX host name ! 29: gethostname get UNIX host name ! 30: getpid get process id ! 31: fork create new process ! 32: exit terminate a process ! 33: execve execute a different process ! 34: getuid get user id ! 35: geteuid get effective user id ! 36: setreuid set real and effective user id's ! 37: getgid get accounting group id ! 38: getegid get effective accounting group id ! 39: getgroups get access group set ! 40: setregid set real and effective group id's ! 41: setgroups set access group set ! 42: getpgrp get process group ! 43: setpgrp set process group ! 44: .TE ! 45: .in -5 ! 46: .h 1.2 "Memory management ! 47: .in +5 ! 48: .TS ! 49: lw(1.6i) aw(3i). ! 50: <sys/mman.h> memory management definitions ! 51: sbrk change data section size ! 52: sstk\(dg change stack section size ! 53: .FS ! 54: \(dg Not supported in 4.3BSD. ! 55: .FE ! 56: getpagesize get memory page size ! 57: mmap\(dg map pages of memory ! 58: msync\(dg flush modified mapped pages to filesystem ! 59: munmap\(dg unmap memory ! 60: mprotect\(dg change protection of pages ! 61: madvise\(dg give memory management advice ! 62: mincore\(dg determine core residency of pages ! 63: msleep\(dg sleep on a lock ! 64: mwakeup\(dg wakeup process sleeping on a lock ! 65: .TE ! 66: .in -5 ! 67: .h 1.3 "Signals ! 68: .in +5 ! 69: .TS ! 70: lw(1.6i) aw(3i). ! 71: <signal.h> signal definitions ! 72: sigvec set handler for signal ! 73: kill send signal to process ! 74: killpgrp send signal to process group ! 75: sigblock block set of signals ! 76: sigsetmask restore set of blocked signals ! 77: sigpause wait for signals ! 78: sigstack set software stack for signals ! 79: .TE ! 80: .in -5 ! 81: .h 1.4 "Timing and statistics ! 82: .in +5 ! 83: .TS ! 84: lw(1.6i) aw(3i). ! 85: <sys/time.h> time-related definitions ! 86: gettimeofday get current time and timezone ! 87: settimeofday set current time and timezone ! 88: getitimer read an interval timer ! 89: setitimer get and set an interval timer ! 90: profil profile process ! 91: .TE ! 92: .in -5 ! 93: .h 1.5 "Descriptors ! 94: .in +5 ! 95: .TS ! 96: lw(1.6i) aw(3i). ! 97: getdtablesize descriptor reference table size ! 98: dup duplicate descriptor ! 99: dup2 duplicate to specified index ! 100: close close descriptor ! 101: select multiplex input/output ! 102: fcntl control descriptor options ! 103: wrap\(dg wrap descriptor with protocol ! 104: .FS ! 105: \(dg Not supported in 4.3BSD. ! 106: .FE ! 107: .TE ! 108: .in -5 ! 109: .h 1.6 "Resource controls ! 110: .in +5 ! 111: .TS ! 112: lw(1.6i) aw(3i). ! 113: <sys/resource.h> resource-related definitions ! 114: getpriority get process priority ! 115: setpriority set process priority ! 116: getrusage get resource usage ! 117: getrlimit get resource limitations ! 118: setrlimit set resource limitations ! 119: .TE ! 120: .in -5 ! 121: .h 1.7 "System operation support ! 122: .in +5 ! 123: .TS ! 124: lw(1.6i) aw(3i). ! 125: mount mount a device file system ! 126: swapon add a swap device ! 127: umount umount a file system ! 128: sync flush system caches ! 129: reboot reboot a machine ! 130: acct specify accounting file ! 131: .TE ! 132: .in -5 ! 133: .NH ! 134: System facilities ! 135: .LP ! 136: .h 2.1 "Generic operations ! 137: .in +5 ! 138: .TS ! 139: lw(1.6i) aw(3i). ! 140: read read data ! 141: write write data ! 142: <sys/uio.h> scatter-gather related definitions ! 143: readv scattered data input ! 144: writev gathered data output ! 145: <sys/ioctl.h> standard control operations ! 146: ioctl device control operation ! 147: .TE ! 148: .in -5 ! 149: .h 2.2 "File system ! 150: .PP ! 151: Operations marked with a * exist in two forms: as shown, ! 152: operating on a file name, and operating on a file descriptor, ! 153: when the name is preceded with a ``f''. ! 154: .in +5 ! 155: .TS ! 156: lw(1.6i) aw(3i). ! 157: <sys/file.h> file system definitions ! 158: chdir change directory ! 159: chroot change root directory ! 160: mkdir make a directory ! 161: rmdir remove a directory ! 162: open open a new or existing file ! 163: mknod make a special file ! 164: portal\(dg make a portal entry ! 165: unlink remove a link ! 166: stat* return status for a file ! 167: lstat returned status of link ! 168: chown* change owner ! 169: chmod* change mode ! 170: utimes change access/modify times ! 171: link make a hard link ! 172: symlink make a symbolic link ! 173: readlink read contents of symbolic link ! 174: rename change name of file ! 175: lseek reposition within file ! 176: truncate* truncate file ! 177: access determine accessibility ! 178: flock lock a file ! 179: .TE ! 180: .in -5 ! 181: .h 2.3 "Communications ! 182: .in +5 ! 183: .TS ! 184: lw(1.6i) aw(3i). ! 185: <sys/socket.h> standard definitions ! 186: socket create socket ! 187: bind bind socket to name ! 188: getsockname get socket name ! 189: listen allow queuing of connections ! 190: accept accept a connection ! 191: connect connect to peer socket ! 192: socketpair create pair of connected sockets ! 193: sendto send data to named socket ! 194: send send data to connected socket ! 195: recvfrom receive data on unconnected socket ! 196: recv receive data on connected socket ! 197: sendmsg send gathered data and/or rights ! 198: recvmsg receive scattered data and/or rights ! 199: shutdown partially close full-duplex connection ! 200: getsockopt get socket option ! 201: setsockopt set socket option ! 202: .TE ! 203: .in -5 ! 204: .h 2.4 "Terminals, block and character devices ! 205: .in +5 ! 206: .TS ! 207: lw(1.6i) aw(3i). ! 208: .TE ! 209: .in -5 ! 210: .h 2.5 "Processes and kernel hooks ! 211: .in +5 ! 212: .TS ! 213: lw(1.6i) aw(3i). ! 214: .TE ! 215: .in -5
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