
Linux IPCs, or Inter-Process Communications, are tools and techniques in the Linux operating system that allow different processes to talk to each other. Think of them like the postal service of a computer; they help different programs send and receive messages or data.
Let’s take a look at a few of them
๐ท๐๐๐๐:ย A one-way street for data, mostly between parent-child processes.
๐ญ๐๐๐ย (Named Pipe): This is like a pipe, but with a name, allowing even unrelated processes to talk.
๐ด๐๐๐๐๐๐ ๐ธ๐๐๐๐: Think of it like a mailbox. Processes can drop and pick messages, even in order of priority.
๐บ๐๐๐๐๐
๐ด๐๐๐๐๐: A communal space where processes share data. It’s super fast but needs careful coordination.
๐ซ๐๐๐ ๐ฎ๐๐๐: Uses UDP. It’s a bit carefree; doesn’t always ensure the message reaches.
๐บ๐๐๐๐๐ ๐บ๐๐๐๐๐๐: Uses TCP. More responsible, ensures the message gets through.
๐บ๐๐๐๐๐๐: These are like alarms. They notify processes of events.
๐ญ๐๐๐-๐๐๐๐๐
๐ช๐๐๐๐๐๐๐๐๐๐๐๐: Just like it sounds, processes talk by reading and writing to a file.
๐ฉ๐๐๐๐๐ ๐บ๐๐๐๐๐๐๐๐: A simple yes/no (0 or 1) flag.
๐ช๐๐๐๐๐๐๐ ๐บ๐๐๐๐๐๐๐๐: A more nuanced semaphore that can count up or down.
๐น๐๐๐๐๐
๐ณ๐๐๐: Locks a piece of a file so others can’t touch it.
๐บ๐๐๐๐
๐๐๐
๐ด๐๐๐๐: Ensures only one at a time access.
๐น๐๐๐๐๐๐๐๐ ๐ด๐๐๐๐: A mutex that’s forgiving, lets a process lock something it’s already locked.
๐ญ๐๐๐๐๐๐: Super fast, prefers to keep things in user-space.
๐ช๐๐๐
๐๐๐๐๐ ๐ฝ๐๐๐๐๐๐๐๐: Makes a process wait until a condition is met.
๐ฉ๐๐๐๐๐๐๐: Like a checkpoint in a relay race, ensures all processes reach a point before moving on.
๐บ๐๐๐๐๐๐๐๐: A process waits by, well, spinning, until it gets a lock. Great for short waits.
๐ซ๐๐๐
๐๐๐๐ ๐ท๐๐๐๐๐๐๐๐: Safety mechanisms to ensure processes don’t wait forever.
๐ด๐๐๐๐๐๐๐: A sophisticated tool ensuring only one process enters a segment and can wait for conditions.
๐น๐๐๐
-๐พ๐๐๐๐ ๐ณ๐๐๐๐: Allows many to read, but only one to write.
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An Article by: Yashwanth Naidu Tikkisetty
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