Top "Fork" questions

Debugging child process after fork (follow-fork-mode child configured)

I'm developing an application which the parent forks a child to handle certain tasks. I'm having an issue where I've …

c gdb signals fork

Are child processes created with fork() automatically killed when the parent is killed?

I'm creating child processes with fork() in C/C++. When the parent process ends (or is killed for some reason) …

c++ linux process fork parent-child

After forking, are global variables shared?

Consider this simple code: int myvar = 0; int main() { if (fork()>0) { myvar++; } else { // father do nothing } } When child increments myvar, …

c linux unix fork

Visually what happens to fork() in a For Loop

I have been trying to understand fork() behavior. This time in a for-loop. Observe the following code: #include <stdio.…

c fork

Run child processes as different user from a long running Python process

I've got a long running, daemonized Python process that uses subprocess to spawn new child processes when certain events occur. …

python fork subprocess setuid

How to use POSIX semaphores on forked processes in C?

I want to fork multiple processes and then use a semaphore on them. Here is what I tried: sem_init(&…

c linux fork shared-memory semaphore

Forking vs Threading

I have used threading before in my applications and know its concepts well, but recently in my operating system lecture …

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Capturing exit status code of child process

I have a function that forks a process, duplicates file descriptors for input and output buffers, and then runs execl …

c exec fork pid

Regarding background processes using fork() and child processes in my dummy shell

I'm trying to create a simple shell program in C. What I need it to do is provide the user …

c unix fork grandchild

How to create a daemon process in Golang?

Has anyone here written a deamon process in Golang? Can you walk me through how to do that? Useful links …

process go daemon fork