Can popen() make bidirectional pipes like pipe() + fork()?

Question

I\'m implementing piping on a simulated file system in C++ (with mostly C). It needs to run commands in the host shell but perform the piping itself on the simulated file s

Answer 1

No need to create two pipes and waste a filedescriptor in each process. Just use a socket instead. https://stackoverflow.com/a/25177958/894520