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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
| commit | 399644e47874bff147afb19c89228901ac39340e (patch) | |
| tree | 1c4c0b733f4c16b5783b41bebb19194a9ef62ad1 /man2/ipc.2 | |
| parent | Initial commit. (diff) | |
| download | manpages-399644e47874bff147afb19c89228901ac39340e.tar.xz manpages-399644e47874bff147afb19c89228901ac39340e.zip | |
Adding upstream version 6.05.01.upstream/6.05.01
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man2/ipc.2')
| -rw-r--r-- | man2/ipc.2 | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/man2/ipc.2 b/man2/ipc.2 new file mode 100644 index 0000000..0b8a911 --- /dev/null +++ b/man2/ipc.2 @@ -0,0 +1,63 @@ +.\" Copyright (c) 1995 Michael Chastain (mec@shell.portal.com), 15 April 1995. +.\" +.\" SPDX-License-Identifier: GPL-2.0-or-later +.\" +.\" Modified Tue Oct 22 08:11:14 EDT 1996 by Eric S. Raymond <esr@thyrsus.com> +.TH ipc 2 2023-03-30 "Linux man-pages 6.05.01" +.SH NAME +ipc \- System V IPC system calls +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.BR "#include <linux/ipc.h>" " /* Definition of needed constants */" +.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */" +.B #include <unistd.h> +.PP +.BI "int syscall(SYS_ipc, unsigned int " call ", int " first , +.BI " unsigned long " second ", unsigned long " third \ +", void *" ptr , +.BI " long " fifth ); +.fi +.PP +.IR Note : +glibc provides no wrapper for +.BR ipc (), +necessitating the use of +.BR syscall (2). +.SH DESCRIPTION +.BR ipc () +is a common kernel entry point for the System\ V IPC calls +for messages, semaphores, and shared memory. +.I call +determines which IPC function to invoke; +the other arguments are passed through to the appropriate call. +.PP +User-space programs should call the appropriate functions by their usual names. +Only standard library implementors and kernel hackers need to know about +.BR ipc (). +.SH VERSIONS +On some architectures\[em]for example x86-64 and ARM\[em]there is no +.BR ipc () +system call; instead, +.BR msgctl (2), +.BR semctl (2), +.BR shmctl (2), +and so on really are implemented as separate system calls. +.SH STANDARDS +Linux. +.SH SEE ALSO +.BR msgctl (2), +.BR msgget (2), +.BR msgrcv (2), +.BR msgsnd (2), +.BR semctl (2), +.BR semget (2), +.BR semop (2), +.BR semtimedop (2), +.BR shmat (2), +.BR shmctl (2), +.BR shmdt (2), +.BR shmget (2), +.BR sysvipc (7) |