@itemize
@item
This function is missing on some platforms:
-mingw.
+mingw, MSVC 9.
@end itemize
Portability problems not fixed by Gnulib:
@item
Support for SA_ONSTACK is missing on some platforms:
-mingw, cygwin.
+mingw, MSVC 9, cygwin.
@item
Support for SA_SIGINFO is missing on some platforms:
-mingw, Interix 3.5.
+mingw, MSVC 9, Interix 3.5.
@item
Support for SIGCHLD, and thus for SA_NOCLDSTOP and SA_NOCLDWAIT, is
missing on some platforms:
-mingw.
+mingw, MSVC 9.
@item
Support for SA_RESETHAND is missing on some platforms:
@item
Support for SA_RESTART is missing on some platforms:
-mingw, NonStop.
+mingw, MSVC 9, NonStop.
@item
In spite of having SA_SIGACTION, struct sigaction lacks the