2019-05-09 14:16:56 +00:00
|
|
|
diff --git a/man2/close.2 b/man2/close.2
|
2020-06-21 20:59:11 +00:00
|
|
|
index c920b24..a57b0f4 100644
|
2019-05-09 14:16:56 +00:00
|
|
|
--- a/man2/close.2
|
|
|
|
|
+++ b/man2/close.2
|
2020-06-21 20:59:11 +00:00
|
|
|
@@ -123,6 +123,13 @@ other threads in the same process.
|
2012-09-13 17:24:05 +00:00
|
|
|
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
|
