docs: mention MacOS issue with WEXITSTATUS(constant)

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

diff --git a/doc/posix-headers/sys_socket.texi b/doc/posix-headers/sys_socket.texi
index de71813f3145a6a141fa44a7b81face48a812df1..0b008d29fa365b21611d85ba572236dbd4b8c838 100644 (file)
--- a/doc/posix-headers/sys_socket.texi
+++ b/doc/posix-headers/sys_socket.texi
@@ -1,7 +1,7 @@
 @node sys/socket.h
 @section @file{sys/socket.h}
 
-POSIX specification: @url{http://www.opengroup.org/susv3xbd/sys/socket.h.html}
+POSIX specification:@* @url{http://www.opengroup.org/susv3xbd/sys/socket.h.html}
 
 Gnulib module: sys_socket
 
@@ -13,6 +13,11 @@ mingw.
 @item
 This header file is not self-contained on some platforms: it requires
 @code{<sys/types.h>} to be included first.
+@item
+This header file is lacking the @code{SHUT_RD}, @code{SHUT_WR},
+@code{SHUT_RDWR} macros on some platforms, despite having the @code{shutdown}
+functions:
+emx+gcc.
 @end itemize
 
 Portability problems not fixed by Gnulib: