On Mar 8 23:01, Takashi Yano wrote: > Hello, > > Thank you for the information. > > On Thu, 7 Mar 2019 18:24:45 +0300 Andrey Repin wrote: > > > GNU screen freeze without much of an effort under Cygwin. > > > Try detaching from running screen and then running screen -ls. > > > > Past discussion > > http://sourceware.org/ml/cygwin/2017-05/msg00448.html > > mid:16810313565.20170527142...@yandex.ru > > I looked into this problem of GNU screen and found the > cause is very different from that of the problem I had > reported. > > The problem I had reported is due to the failure of > sending signal, which is caused by mismatch of tokens > between ssh session and mintty session. > > On the other hand, the problem you mentioned is due > to the difference in the behaviour of socket API. > > In Linux, connect() in the client returns befor the > server calls accept(). However, in cygwin, connect() > does not return until the server calls accept().
This is a result of the handshake to exchange credentials for getpeereid(). To workaround this issue, try building screen with a tweak. Server and as client should call setsockopt (sock, SOL_SOCKET, SO_PEERCRED, NULL, 0); before calling accept or connect. Corinna -- Corinna Vinschen Cygwin Maintainer
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