doc: document sticky-EOF issue

[gnulib.git] / doc / posix-functions / pthread_sigmask.texi

diff --git a/doc/posix-functions/pthread_sigmask.texi b/doc/posix-functions/pthread_sigmask.texi
index 1bd24e5..1c80a06 100644 (file)
--- a/doc/posix-functions/pthread_sigmask.texi
+++ b/doc/posix-functions/pthread_sigmask.texi
@@ -10,11 +10,23 @@ Portability problems fixed by Gnulib:
 @itemize
 @item
 This function is missing on some platforms:
-Solaris 2.4, mingw, BeOS.
+Minix 3.1.8, Solaris 2.4, mingw, MSVC 9, BeOS.
 @item
 This function is declared in @code{<pthread.h>} instead of @code{<signal.h>}
 on some platforms:
-MacOS X 10.3, FreeBSD 6.4, OpenBSD 3.8, OSF/1 4.0, Solaris 2.6.
+Mac OS X 10.3, FreeBSD 6.4, OpenBSD 3.8, OSF/1 4.0, Solaris 2.6.
+@item
+This function does nothing and always returns 0 in programs that are not
+linked with @code{-lpthread} on some platforms:
+FreeBSD 6.4, HP-UX 11.31, Solaris 9.
+@item
+When it fails, this functions returns -1 instead of the error number on
+some platforms:
+Cygwin 1.7.5.
+@item
+This function does not immediately raise signals that were pending before
+the call and unblocked by the call on some platforms:
+IRIX 6.5.
 @end itemize
 
 Portability problems not fixed by Gnulib: