Questions tagged [ipc]

If I strace a stuck process and see output of the form: [gaius@redhat64 bin]$ strace -p 18185 Process 18185 attached - interrupt to quit [ Process PID=18185 runs in 32 bit mode. ] semop(458760, 0xffa00af0, 1 How would I find out the PID that last…

I'm trying to understand how fast different IPC mechanisms are, and I know it's possible to create a Unix Socket as a "file" in a directory on a filesystem, but what I don't understand is whether data piped through that socket actually touches disk,…

As part of a content management system I'm developing I have a script which retrieves image files (JPEG, GIF, PNG etc) in response to the browser GETing a URL like http://myserver/getimage.cgi/virtual/path/to/image. On the server the image files…