[gnurl] 362/411: KNOWN_BUGS: wakeup socket disconnect causes havoc

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nikita pushed a commit to branch master
in repository gnurl.

commit 10818dc7cb3958bcabe11efe43200a9542a13063
Author: Daniel Stenberg <daniel@haxx.se>
AuthorDate: Sun Nov 22 00:01:29 2020 +0100

    KNOWN_BUGS: wakeup socket disconnect causes havoc
    
    Closes #6132
    Closes #6133
---
 docs/KNOWN_BUGS | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/docs/KNOWN_BUGS b/docs/KNOWN_BUGS
index c427b3fb6..827c51e87 100644
--- a/docs/KNOWN_BUGS
+++ b/docs/KNOWN_BUGS
@@ -107,6 +107,7 @@ problems may have been fixed or changed somewhat since this 
was written!
  11.10 Blocking socket operations in non-blocking API
  11.11 A shared connection cache is not thread-safe
  11.12 'no_proxy' string-matches IPv6 numerical addresses
+ 11.13 wakeup socket disconnect causes havoc
 
  12. LDAP
  12.1 OpenLDAP hangs after returning results
@@ -785,6 +786,18 @@ problems may have been fixed or changed somewhat since 
this was written!
 
  See https://github.com/curl/curl/issues/5745
 
+11.13 wakeup socket disconnect causes havoc
+
+ waking an iPad breaks the wakeup socket pair, triggering a POLLIN event and
+ resulting in SOCKERRNO being set to ENOTCONN.
+
+ This condition, and other possible error conditions on the wakeup socket, are
+ not handled, so the condition remains on the FD and curl_multi_poll will
+ never block again.
+
+ See https://github.com/curl/curl/issues/6132 and
+ https://github.com/curl/curl/pull/6133
+
 12. LDAP
 
 12.1 OpenLDAP hangs after returning results

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