[Issue 12389] New: Operating system C functions should be marked as 'nothrow'

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=12389

           Summary: Operating system C functions should be marked as
                    'nothrow'
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: preapproved
          Severity: normal
          Priority: P2
         Component: druntime
        AssignedTo: nobody at puremagic.com
        ReportedBy: bugzilla at digitalmars.com


--- Comment #0 from Walter Bright <bugzilla at digitalmars.com> 2014-03-17 03:54:19 PDT ---
Very few C function declarations in druntime are marked as nothrow, even though
all the OS ones are.

Marking them as nothrow enables important optimizations.

I've marked one file here as an example:

https://github.com/D-Programming-Language/druntime/pull/742

The rest of the imports need to be gone through and fixed as well.

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