POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/sigwait.html}
-Gnulib module: ---
+Gnulib module: extensions
Portability problems fixed by Gnulib:
@itemize
+@item
+This function has an incompatible declaration on some platforms:
+Solaris 10 (when @code{_POSIX_PTHREAD_SEMANTICS} is not defined).
@end itemize
Portability problems not fixed by Gnulib:
This function is missing on some platforms:
mingw, BeOS.
@item
-This function has an incompatible declaration on some platforms:
-Solaris 10 (when @code{_POSIX_PTHREAD_SEMANTICS} is not defined).
-@item
On Linux/glibc platforms before the advent of NPTL, signals could only be
sent to one particular thread. In POSIX, signals are sent to the entire
process and executed by any thread of the process that happens to have the