<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <!--Converted with LaTeX2HTML 96.1-c (Feb 29, 1996) by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds --> <HTML> <HEAD> <TITLE>11 Systemcalls in alphabetical order</TITLE> <META NAME="description" CONTENT="11 Systemcalls in alphabetical order"> <META NAME="keywords" CONTENT="lpg"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <LINK REL=STYLESHEET HREF="lpg.css"> </HEAD> <BODY LANG="EN"> <A NAME="tex2html2197" HREF="node151.html"><IMG WIDTH=37 HEIGHT=24 ALIGN=BOTTOM ALT="next" SRC="/icons//next_motif.gif"></A> <A NAME="tex2html2195" HREF="lpg.html"><IMG WIDTH=26 HEIGHT=24 ALIGN=BOTTOM ALT="up" SRC="/icons//up_motif.gif"></A> <A NAME="tex2html2189" HREF="node149.html"><IMG WIDTH=63 HEIGHT=24 ALIGN=BOTTOM ALT="previous" SRC="/icons//previous_motif.gif"></A> <A NAME="tex2html2199" HREF="node1.html"><IMG WIDTH=65 HEIGHT=24 ALIGN=BOTTOM ALT="contents" SRC="/icons//contents_motif.gif"></A> <BR> <B> Next:</B> <A NAME="tex2html2198" HREF="node151.html">12 Abbreviations</A> <B>Up:</B> <A NAME="tex2html2196" HREF="lpg.html">e</A> <B> Previous:</B> <A NAME="tex2html2190" HREF="node149.html">10.6 Additional Comments</A> <BR> <P> <H1><A NAME="SECTION001200000000000000000">11 Systemcalls in alphabetical order</A></H1> <P> <PRE><TT> lcr <P> just-a-tabspace-holder- ¯ <P> _exit - like exit but with fewer actions (m+c) <P> accept - accept a connection on a socket (m+c!) <P> access - check user's permissions for a file (m+c) <P> acct - not yet implemented (mc) <P> adjtimex - set/get kernel time variables (-c) <P> afs_syscall - reserved andrew filesystem call (-) <P> alarm - send SIGALRM at a specified time (m+c) <P> bdflush - flush dirty buffers to disk (-c) <P> bind - name a socket for interprocess communication (m!c) <P> break - not yet implemented (-) <P> brk - change data segment size (mc) <P> chdir - change working directory (m+c) <P> chmod - change file attributes (m+c) <P> chown - change ownership of a file (m+c) <P> chroot - set a new root directory (mc) <P> clone - see fork (m-) <P> close - close a file by reference (m+c) <P> connect - link 2 sockets (m!c) <P> creat - create a file (m+c) <P> create_module - allocate space for a loadable kernel module (-) <P> delete_module - unload a kernel module (-) <P> dup - create a file descriptor duplicate (m+c) <P> dup2 - duplicate a file descriptor (m+c) <P> execl, execlp, execle, ... - see execve (m+!c) <P> execve - execute a file (m+c) <P> exit - terminate a program (m+c) <P> fchdir - change working directory by reference () <P> fchmod - see chmod (mc) <P> fchown - change ownership of a file (mc) <P> fclose - close a file by reference (m+!c) <P> fcntl - file/filedescriptor control (m+c) <P> flock - change file locking (m!c) <P> fork - create a child process (m+c) <P> fpathconf - get info about a file by reference (m+!c) <P> fread - read array of binary data from stream (m+!c) <P> fstat - get file status (m+c) <P> fstatfs - get filesystem status by reference (mc) <P> fsync - write file cache to disk (mc) <P> ftime - get timezone+seconds since 1.1.1970 (m!c) <P> ftruncate - change file size (mc) <P> fwrite - write array of binary datas to stream (m+!c) <P> get_kernel_syms - get kernel symbol table or its size (-) <P> getdomainname - get system's domainname (m!c) <P> getdtablesize - get filedescriptor table size (m!c) <P> getegid - get effective group id (m+c) <P> geteuid - get effective user id (m+c) <P> getgid - get real group id (m+c) <P> getgroups - get supplemental groups (m+c) <P> gethostid - get unique host identifier (m!c) <P> gethostname - get system's hostname (m!c) <P> getitimer - get value of interval timer (mc) <P> getpagesize - get size of a system page (m-!c) <P> getpeername - get address of a connected peer socket (m!c) <P> getpgid - get parent group id of a process (+c) <P> getpgrp - get parent group id of current process (m+c) <P> getpid - get process id of current process (m+c) <P> getppid - get process id of the parent process (m+c) <P> getpriority - get a process/group/user priority (mc) <P> getrlimit - get resource limits (mc) <P> getrusage - get usage of resources (m) <P> getsockname - get the adress of a socket (m!c) <P> getsockopt - get option settings of a socket (m!c) <P> gettimeofday - get timezone+seconds since 1.1.1970 (mc) <P> getuid - get real uid (m+c) <P> gtty - not yet implemented () <P> idle - make a process a candidate for swap (mc) <P> init_module - insert a loadable kernel module (-) <P> ioctl - manipulate a character device (mc) <P> ioperm - set some i/o port's permissions (m-c) <P> iopl - set all i/o port's permissions (m-c) <P> ipc - interprocess communication (-c) <P> kill - send a signal to a process (m+c) <P> killpg - send a signal to a process group (mc!) <P> klog - see syslog (-!) <P> link - create a hardlink for an existing file (m+c) <P> listen - listen for socket connections (m!c) <P> llseek - lseek for large files (-) <P> lock - not implemented yet () <P> lseek - change the position ptr of a file descriptor (m+c) <P> lstat - get file status (mc) <P> mkdir - create a directory (m+c) <P> mknod - create a device (mc) <P> mmap - map a file into memory (mc) <P> modify_ldt - read or write local descriptor table (-) <P> mount - mount a filesystem (mc) <P> mprotect - read, write or execute protect memory (-) <P> mpx - not implemented yet () <P> msgctl - ipc message control (m!c) <P> msgget - get an ipc message queue id (m!c) <P> msgrcv - receive an ipc message (m!c) <P> msgsnd - send an ipc message (m!c) <P> munmap - unmap a file from memory (mc) <P> nice - change process priority (mc) <P> oldfstat - no longer existing <P> oldlstat - no longer existing <P> oldolduname - no longer existing <P> oldstat - no longer existing <P> olduname - no longer existing <P> open - open a file (m+c) <P> pathconf - get information about a file (m+!c) <P> pause - sleep until signal (m+c) <P> personality - change current execution domain for ibcs (-) <P> phys - not implemented yet (m) <P> pipe - create a pipe (m+c) <P> prof - not yet implemented () <P> profil - execution time profile (m!c) <P> ptrace - trace a child process (mc) <P> quotactl - not implemented yet () <P> read - read data from a file (m+c) <P> readv - read datablocks from a file (m!c) <P> readdir - read a directory (m+c) <P> readlink - get content of a symbolic link (mc) <P> reboot - reboot or toggle vulcan death grip (-mc) <P> recv - receive a message from a connected socket (m!c) <P> recvfrom - receive a message from a socket (m!c) <P> rename - move/rename a file (m+c) <P> rmdir - delete an empty directory (m+c) <P> sbrk - see brk (mc!) <P> select - sleep until action on a filedescriptor (mc) <P> semctl - ipc semaphore control (m!c) <P> semget - ipc get a semaphore set identifier (m!c) <P> semop - ipc operation on semaphore set members (m!c) <P> send - send a message to a connected socket (m!c) <P> sendto - send a message to a socket (m!c) <P> setdomainname - set system's domainname (mc) <P> setfsgid - set filesystem group id () <P> setfsuid - set filesystem user id () <P> setgid - set real group id (m+c) <P> setgroups - set supplemental groups (mc) <P> sethostid - set unique host identifier (mc) <P> sethostname - set the system's hostname (mc) <P> setitimer - set interval timer (mc) <P> setpgid - set process group id (m+c) <P> setpgrp - has no effect (mc!) <P> setpriority - set a process/group/user priority (mc) <P> setregid - set real and effective group id (mc) <P> setreuid - set real and effective user id (mc) <P> setrlimit - set resource limit (mc) <P> setsid - create a session (+c) <P> setsockopt - change options of a socket (mc) <P> settimeofday - set timezone+seconds since 1.1.1970 (mc) <P> setuid - set real user id (m+c) <P> setup - initialize devices and mount root (-) <P> sgetmask - see siggetmask (m) <P> shmat - attach shared memory to data segment (m!c) <P> shmctl - ipc manipulate shared memory (m!c) <P> shmdt - detach shared memory from data segment (m!c) <P> shmget - get/create shared memory segment (m!c) <P> shutdown - shutdown a socket (m!c) <P> sigaction - set/get signal handler (m+c) <P> sigblock - block signals (m!c) <P> siggetmask - get signal blocking of current process (!c) <P> signal - setup a signal handler (mc) <P> sigpause - use a new signal mask until a signal (mc) <P> sigpending - get pending, but blocked signals (m+c) <P> sigprocmask - set/get signal blocking of current process (+c) <P> sigreturn - not yet used () <P> sigsetmask - set signal blocking of current process (c!) <P> sigsuspend - replacement for sigpause (m+c) <P> sigvec - see sigaction (m!) <P> socket - create a socket communication endpoint (m!c) <P> socketcall - socket call multiplexer (-) <P> socketpair - create 2 connected sockets (m!c) <P> ssetmask - see sigsetmask (m) <P> stat - get file status (m+c) <P> statfs - get filesystem status (mc) <P> stime - set seconds since 1.1.1970 (mc) <P> stty - not yet implemented () <P> swapoff - stop swapping to a file/device (m-c) <P> swapon - start swapping to a file/device (m-c) <P> symlink - create a symbolic link to a file (m+c) <P> sync - sync memory and disk buffers (mc) <P> syscall - execute a systemcall by number (-!c) <P> sysconf - get value of a system variable (m+!c) <P> sysfs - get infos about configured filesystems () <P> sysinfo - get Linux system infos (m-) <P> syslog - manipulate system logging (m-c) <P> system - execute a shell command (m!c) <P> time - get seconds since 1.1.1970 (m+c) <P> times - get process times (m+c) <P> truncate - change file size (mc) <P> ulimit - get/set file limits (c!) <P> umask - set file creation mask (m+c) <P> umount - unmount a filesystem (mc) <P> uname - get system information (m+c) <P> unlink - remove a file when not busy (m+c) <P> uselib - use a shared library (m-c) <P> ustat - not yet implemented (c) <P> utime - modify inode time entries (m+c) <P> utimes - see utime (m!c) <P> vfork - see fork (m!c) <P> vhangup - virtually hang up current tty (m-c) <P> vm86 - enter virtual 8086 mode (m-c) <P> wait - wait for process termination (m+!c) <P> wait3 - bsd wait for a specified process (m!c) <P> wait4 - bsd wait for a specified process (mc) <P> waitpid - wait for a specified process (m+c) <P> write - write data to a file (m+c) <P> writev - write datablocks to a file (m!c) <P> </TT></PRE> <P> <P> <P> (m) manual page exists. <BR> (+) POSIX compliant. <BR> (-) Linux specific. <BR> (c) in libc. <BR> (!) not a sole system call.uses a different system call. <BR> <P> <HR><A NAME="tex2html2197" HREF="node151.html"><IMG WIDTH=37 HEIGHT=24 ALIGN=BOTTOM ALT="next" SRC="/icons//next_motif.gif"></A> <A NAME="tex2html2195" HREF="lpg.html"><IMG WIDTH=26 HEIGHT=24 ALIGN=BOTTOM ALT="up" SRC="/icons//up_motif.gif"></A> <A NAME="tex2html2189" HREF="node149.html"><IMG WIDTH=63 HEIGHT=24 ALIGN=BOTTOM ALT="previous" SRC="/icons//previous_motif.gif"></A> <A NAME="tex2html2199" HREF="node1.html"><IMG WIDTH=65 HEIGHT=24 ALIGN=BOTTOM ALT="contents" SRC="/icons//contents_motif.gif"></A> <BR> <B> Next:</B> <A NAME="tex2html2198" HREF="node151.html">12 Abbreviations</A> <B>Up:</B> <A NAME="tex2html2196" HREF="lpg.html">e</A> <B> Previous:</B> <A NAME="tex2html2190" HREF="node149.html">10.6 Additional Comments</A> <P><ADDRESS> <I>Converted on: <BR> Fri Mar 29 14:43:04 EST 1996</I> </ADDRESS> </BODY> </HTML>
