[Issue 19909] New: need errno

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19909

          Issue ID: 19909
           Summary: need errno
           Product: D
           Version: D2
          Hardware: All
                OS: Windows
            Status: NEW
          Severity: blocker
          Priority: P1
         Component: druntime
          Assignee: nobody at puremagic.com
          Reporter: xmen.cecep at yahoo.com

the stdc/core/errno.d needs additional error code
ECONNRESET.

That error code are available on every linux.
but not Windows.

i don't know what to assign to this.

apache.thrift need this error code.

https://docs.microsoft.com/en-us/cpp/c-runtime-library/errno-constants?view=vs-2019

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