What is a good way to dump a Linux core file from inside a process?

Question

We have a server (written in C and C++) that currently catches a SEGV and dumps some internal info to a file. I would like to generate a core file and write it to disk at th

Answer 1

Some possible solutions^W ways of dealing with this situation:

1. Fix the ulimit!!!
2. Accept that you don't get a core file and run inside gdb, scripted to do a "thread all apply bt" on SIGSEGV
3. Accept that you don't get a core file and acquired a stack trace from within the application. The Stack Backtracing Inside Your Program article is pretty old but it should be possible these days too.