man-pages/man-pages-3.42-close.patch

18 lines
861 B
Diff

diff -up man-pages-3.59/man2/close.2.orig man-pages-3.59/man2/close.2
--- man-pages-3.59/man2/close.2.orig 2014-02-16 08:33:52.000000000 +0100
+++ man-pages-3.59/man2/close.2 2014-02-18 13:49:27.685917162 +0100
@@ -120,6 +120,13 @@ other threads in the same process.
Since a file descriptor may be reused,
there are some obscure race conditions
that may cause unintended side effects.
+.PP
+When dealing with sockets, you have to be sure that there is no
+.BR recv (2)
+still blocking on it on another thread, otherwise it might block forever,
+since no more messages will be send via the socket. Be sure to use
+.BR shutdown (2)
+to shut down all parts the connection before closing the socket.
.\" Date: Tue, 4 Sep 2007 13:57:35 +0200
.\" From: Fredrik Noring <noring@nocrew.org>
.\" One such race involves signals and ERESTARTSYS. If a file descriptor