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titanandrews writes:
> This is for Windows, but I am looking for a solution for UNIX/Linux.
TMK, POSIX does not provide a means for an atexit handler to receive the
exit status parameter that was passed to exit().
If I feel especially motivated, I'd go take a peek at glibc sources, and
see
what's going on, and if glibc gives you a mechanism for this. Given that
your question concerns Linux, you should acquire the habit of grabbing the
sources and looking at these kinds of things yourself, if you want to know
how they work. I understand that, coming from the Windows noosphere, this
may be an exotic experience. But, the answer to these kinds of questions
can
be located much faster just by looking at the corresponding source code,
rather than waiting for someone to respond on a Usenet group.
> Use case: Imagine you have a library and you want to check if someone
> is calling exit with a particular code.
A shared library on Linux can be unloaded by the running process. The
library gets unloaded, and the process continues to run (without the
benefit
of the library's functionality, of course). If your code requires this,
it's
time for you to redesign whatever you're trying to design.
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