2 @section @code{sigaltstack}
5 POSIX specification: @url{http://www.opengroup.org/susv3xsh/sigaltstack.html}
9 Portability problems fixed by Gnulib:
13 Portability problems not fixed by Gnulib:
16 This function is missing on some platforms:
17 Cygwin, mingw, Interix 3.5, BeOS.
19 @code{sigaltstack} doesn't work on HP-UX 11/IA-64 and OpenBSD 3.6/Sparc64.