Taginter-process communication

Sending and Intercepting a Signal in C

By Mia Combeau
In C Programming
20 Min read
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Anyone who’s ever been confronted to segfaults and bus error will already be familiar with the idea of signals. We get a SIGSEGV or a SIGBUS which ends our program’s execution without notice, without explanation and without appeal. But what really is a signal? Is it more than just the operating system’s police baton? And how can we send, block and even intercept one within our...

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Pipe: an Inter-Process Communication Method

By Mia Combeau
In C Programming
9 Min read
P

By default, it is difficult to get two processes to communicate with each other. As we’ve seen in a previous article, even parent and child processes don’t share the same memory space. So we need to find ways to establish inter-process communication. One of these communication mechanisms is the pipe. What is a Pipe? A pipe is a section of shared memory meant to facilitate the...

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