How to wait for a shell process to finish on ctrl+c before exiting?

[Steven Schveighoffer]

On 11/25/19 3:55 AM, aliak wrote:
> On Sunday, 24 November 2019 at 17:04:49 UTC, Steven Schveighoffer wrote:
>> On 11/24/19 10:44 AM, aliak wrote:
>>> [...]
>>
>> Hm.. are you sure that ctrl-c isn't also sending the signal to your 
>> child process? I thought it did.
>>
> 
> Yesh, you're right. That extra kill is unnecessary and was actually 
> causing problems. So thanks for that!

As a general rule though, I would say you should do as LITTLE as 
possible inside your signal handler. Being inside a signal handler is 
unlike any other function, because you can be called from anywhere. 
Locks can be held that are not normally, etc.

Most of the time, I just set flags in signal handlers and handle them 
asynchronously outside in my main loop.

-Steve