GNU bug report logs - #49682
27.2.50; accept-process-output within accept-process-output hangs emacs

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From: Rajeev N <rajeev.jnk <at> sivalik.com>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: Lars Ingebrigtsen <larsi <at> gnus.org>, 49682 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>
Subject: bug#49682: 27.2.50; accept-process-output within accept-process-output hangs emacs
Date: Tue, 27 Jul 2021 13:22:54 -0400

Another input that may help resolve the issue:

In the pselect loop- file descriptor 19 is show in CLOSE_WAIT state by lsof.

lsof:

emacs   66152 rajeev   19u     IPv4            2567759      0t0      TCP hp:37994->wildebeest.gnu.org:https (CLOSE_WAIT)

strace:

 pselect6(20, [3 5 6 8 13 15 17 19], [], NULL, {tv_sec=0, tv_nsec=0}, {NULL, 8}) = 1 (in [19], left {tv_sec=0, tv_nsec=0})
 rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0
 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
 rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0
 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
 pselect6(20, [3 5 13 17 19], NULL, NULL, {tv_sec=0, tv_nsec=0}, {NULL, 8}) = 1 (in [19], left {tv_sec=0, tv_nsec=0})

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