signal: Document problem with type of SIGRTMIN, SIGRTMAX on OSF/1 5.1.

[pspp] / doc / posix-headers / signal.texi

diff --git a/doc/posix-headers/signal.texi b/doc/posix-headers/signal.texi
index be62523249e4f6f8b4744f8490517f256d13843d..9056d1e3e6d968630e189c3e86e9a90aad3d7c8b 100644 (file)
--- a/doc/posix-headers/signal.texi
+++ b/doc/posix-headers/signal.texi
@@ -35,4 +35,8 @@ Portability problems not fixed by Gnulib:
 @item
 Many signals are not defined on some platforms:
 mingw.
+@item
+The macros @code{SIGRTMIN} and @code{SIGRTMAX} expand to an expression of type
+@code{long} instead of @code{int} on some platforms:
+OSF/1 5.1.
 @end itemize