Linux cli command ipc

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command ipc and provides detailed information about the command ipc, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the ipc.

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NAME 🖥️ ipc 🖥️

System V IPC system calls

LIBRARY

Standard C library (libc, -lc)

SYNOPSIS

#include <linux/ipc.h> /* Definition of needed constants */
#include <sys/syscall.h> /* Definition of SYS_* constants */
#include <unistd.h>
int syscall(SYS_ipc, unsigned int call, int first,
 unsigned long second, unsigned long third",void*"ptr,
 long fifth);

Note: glibc provides no wrapper for ipc(), necessitating the use of syscall(2).

DESCRIPTION

ipc() is a common kernel entry point for the System V IPC calls for messages, semaphores, and shared memory. call determines which IPC function to invoke; the other arguments are passed through to the appropriate call.

User-space programs should call the appropriate functions by their usual names. Only standard library implementors and kernel hackers need to know about ipc().

VERSIONS

On some architectures—for example x86-64 and ARM—there is no ipc() system call; instead, msgctl(2), semctl(2), shmctl(2), and so on really are implemented as separate system calls.

STANDARDS

Linux.

SEE ALSO

msgctl(2), msgget(2), msgrcv(2), msgsnd(2), semctl(2), semget(2), semop(2), semtimedop(2), shmat(2), shmctl(2), shmdt(2), shmget(2), sysvipc(7)

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