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Re: gcov can't collect data when process is executed by systemctl start but it can when executed by ./process

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?
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