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What is a semaphore? How do they work? (Example in C)

Jacob Sorber 321,816 4 years ago
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Patreon ➤ https://www.patreon.com/jacobsorber Courses ➤ https://jacobsorber.thinkific.com Website ➤ https://www.jacobsorber.com --- What is a semaphore? How do they work? (Example in C) // Semaphores cause a lot of confusion for students, largely because they are super flexible and a little weird. In this video, I try to provide some insight into how they work, and an example of where you could use semaphores to coordinate different processes. Shared Memory Videos: https://youtu.be/WgVSq-sgHOc https://www.youtube.com/watch?v=rPV6b8BUwxM Threads and Processes: https://www.youtube.com/playlist?list=PL9IEJIKnBJjFZxuqyJ9JqVYmuFZHr7CFM https://www.youtube.com/playlist?list=PL9IEJIKnBJjFNNfpY6fHjVzAwtgRYjhPw *** Welcome! I post videos that help you learn to program and become a more confident software developer. I cover beginner-to-advanced systems topics ranging from network programming, threads, processes, operating systems, embedded systems and others. My goal is to help you get under-the-hood and better understand how computers work and how you can use them to become stronger students and more capable professional developers. About me: I'm a computer scientist, electrical engineer, researcher, and teacher. I specialize in embedded systems, mobile computing, sensor networks, and the Internet of Things. I teach systems and networking courses at Clemson University, where I also lead the PERSIST research lab. More about me and what I do: https://www.jacobsorber.com https://people.cs.clemson.edu/~jsorber/ http://persist.cs.clemson.edu/ To Support the Channel: + like, subscribe, spread the word + contribute via Patreon --- [https://www.patreon.com/jacobsorber] + rep the channel with nerdy merch --- [https://teespring.com/stores/jacob-sorbers-store] Source code is also available to Patreon supporters. --- [https://jsorber-youtube-source.herokuapp.com/]

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