fifo ipc

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UNIX interprocess Communication (IPC) concept (Posix,system V IPC)

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

Linux IPC Pipeline and FIFO

Introduction: Pipelines are the oldest IPC method on Unix systems, and pipelines provide an elegant solution: given the two processes that run different programs, how can the output of one process in the shell be used as input to another process?

Linux inter-process communication (IPC) Programming Practice (2) FIFO naming Pipeline

Linux inter-process communication (IPC) Programming Practice (2) FIFO naming Pipeline In the previous article, we explained how to use anonymous pipelines to transmit data between processes, and also saw a defect in this method, these processes are

Linux inter-process communication (IPC) 2-Named Pipe (FIFO)

1. Named Pipe (FIFO) The pipeline is described in the previous article "one of Linux processes communication (IPC)-Pipeline". However, a major defect in pipeline application is that there is no name, so it can only be used for communication between

Linux interprocess communication (IPC) programming Practice (ii) FIFO Named pipes

in the previous article , we explain how to use anonymous pipelines to pass data between processes, and also see a flaw in the way that these processes are initiated by a common ancestor process, which makes it inconvenient to exchange data between

IPC FIFO (famous pipe) detailed

Basic Concepts: Pipelines have no names, so their greatest disadvantage is that they can only be used between processes that have a common ancestor process. We cannot create a pipe between unrelated processes and use it as an IPC pipe (regardless of

About Linux IPC (vi): Pipe and FIFO

The earliest IPC form on UNIX systems is pipeline, and pipeline creation uses the pipe function: #include int pipe (int pipefd[2]); The function creates a one-way pipeline that returns two descriptors pipefd[0], and

Linux IPC Practice (3)--named FIFO

FIFO named/Named PipesOne limitation of (anonymous) pipeline applications is that they can only communicate between processes that have a common ancestor (affinity).If we want to exchange data between unrelated processes , you can do this with a

IPC Study Notes (2) pipelines and FIFO

1. Overview The pipeline was originally in the form of Unix IPC. Because the pipeline has no name, it can only be used for unrelated processes (the so-called kinship refers to a common ancestor between processes ). FIFO is called a named

Inter-process communication IPC-Named Pipe FIFO

FIFO is also known as a named pipeline. unnamed pipelines can only be used between two related processes. The two related processes must have one of them to create their ancestor processes, but FIFO, data can also be exchanged between unrelated

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