ipc(2) System Calls Manual ipc(2) ipc - System V IPC C (libc, -lc) #include /* Definition of needed constants */ #include /* Definition of SYS_* constants */ #include 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). ipc() , System V IPC (InterProcess Communication -- ). call IPC ; . . , ipc(). 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. Linux. 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) () Azamat Hackimov , Dmitriy S. Seregin , Yuri Kozlov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. Linux 6.17 8 2026 . ipc(2)