Process in parallel and output result to stdout theread-safely

[Dr.No]

On Monday, 10 September 2018 at 20:30:52 UTC, Dr.No wrote:
> On Saturday, 8 September 2018 at 14:26:45 UTC, ag0aep6g wrote:
>> [...]
>
> Yes, it does only happens at line breaks. I hadn't realized 
> that until you mentioned. It does gets in place of \r and \n, 
> that's why there's all in one line when this happens. Thankfor 
> for the notice.
>
> [...]

I noticied this happens with everything I print in the loop, even 
using C's printf:


>	__gshared Mutex m;
>	m = new Mutex();
>	foreach(string fn; parallel(files))
>	{
>		try
>		{
>			auto res = f(fn);
>			synchronized(m)
>			{
>				import std.c.stdio : 				printf;
>				printf("hello!\n");
>			}
>
> [...]


Output:

https://imgur.com/a/Mq9X4c3