Eric Blake <[EMAIL PROTECTED]> wrote: > POSIX states that: > If, at normal process termination, a function registered by the atexit() > function is called and a portable application needs to stop further exit() > processing, it must call the _exit() function or the _Exit() function or one > of > the functions which cause abnormal process termination. > > However, in the closeout module, close_stdout() invokes error() which invokes > exit(), and I have seen a lot of uses of atexit(close_stdout) in GNU programs > that use the closeout module. > > Is this potential bug worth addressing? Or is it portable in practice to use > exit() inside an atexit() handler to change the exit status, in spite of the > warning from POSIX?
It must be portable in practice. There are tests of this behavior that are run as part of coreutils' "make check" (see tests/help-version), so I doubt we'll see any problem.
