On 2017-07-31 14:05 +0200, Toebs Douglass wrote:
> On 31/07/17 13:04, Xi Ruoyao wrote:
> > By using exit(), the functions registered by atexit() and on_exit() would be
> > called. GCC registers one atexit function to produce .gcda file.
>
> Yups. I have run into this problem in the past, too; a coveraged binary
> must exit() to generate coverage output.
>
> > Even if without gcov, it's recommended to catch SIGTERM and terminate your
> > service cleanly.
>
> What!
>
> I didn't know this.
>
> But you can't *do* anything much in a signal handler, no?
No we can't. Normally it's just
bool is_terminating = false;
void handler(int signum)
{
is_terminating = true;
}
And let the normal code (outside signal context) detect is_terminating, do some
clean up, and exit.
--
Xi Ruoyao <ryxi@xxxxxxxxxxxxxxxxx>
School of Aerospace Science and Technology, Xidian University
