Machine dependent _write failures with EINVAL error code

Question

This has some lengthy background before the actual question, however, it bears some explaining to hopefully weed out some red herrings.

Our application, developed in

Answer 1

According to http://msdn.microsoft.com/en-us/library/1570wh78(v=VS.90).aspx errno can take the values:

- EBADF
- ENOSPC
- EINVAL.

There is not EINTR on windows. Random system interrupts cause this error and are not caught by the test while (-1==nbytes && EINTR==errno);