dup2, dup3: work around another cygwin crasher

[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 ca7a924..6909f9f 100644 (file)
--- a/doc/posix-functions/pthread_sigmask.texi
+++ b/doc/posix-functions/pthread_sigmask.texi
@@ -2,17 +2,36 @@
 @section @code{pthread_sigmask}
 @findex pthread_sigmask
 
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/pthread_sigmask.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_sigmask.html}
 
-Gnulib module: ---
+Gnulib module: pthread_sigmask
 
 Portability problems fixed by Gnulib:
 @itemize
+@item
+This function is missing on some platforms:
+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:
+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 @minus{}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:
 @itemize
 @item
-This function is missing on some platforms:
-Solaris 2.4, mingw, BeOS.
+On platforms that do not natively support this function,
+it has unspecified behavior in a multi-threaded process.
 @end itemize