FiberIoException.this

this

(string msg,  int  errno_ =  0,  string reason =  "",  string file =  __FILE__,
          size_t line =  __LINE__)

@safe pure nothrow

Construct a fiber I/O exception.

`msg`	Human-readable description of the failure.
`errno_`	OS error number, or 0 if unavailable.
`reason`	Operation-specific failure reason name, or `""`.
`file`	Source file where the exception was thrown.
`line`	Source line where the exception was thrown.