ipc shared memory

IPC (inter-process communication, interprocess communication) can have three ways of sharing information (along with the file system, with the kernel, with shared memory). (Of course, although it is interprocess communication, it can also be

In interprocess communication mode, each IPC object has a unique name, whether it is using message queue, shared memory, or even semaphores, it is called a key ). Through the "key", the process can identify the objects used. The relationship between

System V shared memory is similar to POSIX shared memory, and System V shared memory is called the Shmget function and the Shamat function.The Shmget function creates a shared memory area, or accesses an existing memory area, similar to the system

Linux interprocess communication-Using shared memory The following will explain another way of communicating between processes, using shared memory. First, what is shared memory as the name implies, shared memory is to allow two unrelated processes

Message Queue, semaphore, and shared memory for IPC communication, ipc queue Three IPC types are called xsi ipc, namely message queue, semaphore, and shared memory. Xsi ipc comes from the IPC function of System V. Xsi ipc is often criticized for not

Linux inter-process communication (IPC) Programming Practice (7) use of shared memory-System V shared memory (API) The system call mmap mentioned in the previous blog map a common file to implement shared memory. The System V shared memory described

Copyright Notice: respect for the original. Reprint please keep Source: blog.csdn.net/shallnet either .../gentleliu, article learning Communication, not for commercial use "System V shared memory is similar to POSIX shared memory, and System V

"Copyright Notice: respect for the original, reproduced please retain the source: blog.csdn.net/shallnet or .../gentleliu, the article is for learning communication only, do not use for commercial purposes"System V shared memory is similar to POSIX

★IPC methods include pipes, Message Queuing (message_queue), Semaphore, shared Memory (Sharememory), and sockets(Socket). Inter-process communication mainly includes pipelines, system IPC (including the interest-bearing queue, signal, and shared

Background In Unix-like systems for IPC (Inter-process communication) communication, Shared memory is the most efficient, I call it the king of IPC.  Introduction This article describes how to use Shared Memory (Shared Memory) for IPC (inter-process