From: Lars Ingebrigtsen <larsi@gnus.org>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: 32452@debbugs.gnu.org, bug-gnulib@gnu.org, npostavs@gmail.com
Subject: bug#32452: 26.1; gnutls_try_handshake maxes out cpu retrying when server is a bit busy
Date: Wed, 02 Mar 2022 02:22:37 +0100 [thread overview]
Message-ID: <87y21tjggy.fsf__43924.9896955275$1646184230$gmane$org@gnus.org> (raw)
In-Reply-To: <d24b1278-1aeb-e17d-ed06-7d36c5e3b68b@cs.ucla.edu> (Paul Eggert's message of "Tue, 1 Mar 2022 17:00:36 -0800")
Paul Eggert <eggert@cs.ucla.edu> writes:
> Do you see this problem with a fresh checkout from the latest master
> branch, combined with the latest Gnulib?
Yes, when I add the nanosleep module as previously described.
> If not, problem solved. If so, what's the output of 'git status' and
> of 'git diff' when things fail?
larsi@giant:~/src/emacs/gtest$ git status
On branch master
Your branch is up to date with 'origin/master'.
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
new file: lib/nanosleep.c
new file: m4/nanosleep.m4
Changes not staged for commit:
(use "git add <file>..." to update what will be committed)
(use "git restore <file>..." to discard changes in working directory)
modified: admin/merge-gnulib
modified: lib/gnulib.mk.in
modified: m4/gnulib-comp.m4
modified: src/gnutls.c
diff --git a/admin/merge-gnulib b/admin/merge-gnulib
index fec469c017..ea3d23686f 100755
--- a/admin/merge-gnulib
+++ b/admin/merge-gnulib
@@ -40,7 +40,7 @@ GNULIB_MODULES=
getloadavg getopt-gnu getrandom gettime gettimeofday gitlog-to-changelog
ieee754-h ignore-value intprops largefile libgmp lstat
manywarnings memmem-simple mempcpy memrchr minmax mkostemp mktime
- nproc nstrftime
+ nanosleep nproc nstrftime
pathmax pipe2 pselect pthread_sigmask
qcopy-acl readlink readlinkat regex
sig2str sigdescr_np socklen stat-time std-gnu11 stdalign stddef stdio
diff --git a/lib/gnulib.mk.in b/lib/gnulib.mk.in
index 3a9f5b9818..b79eebc804 100644
--- a/lib/gnulib.mk.in
+++ b/lib/gnulib.mk.in
@@ -129,6 +129,7 @@
# minmax \
# mkostemp \
# mktime \
+# nanosleep \
# nproc \
# nstrftime \
# pathmax \
@@ -2497,6 +2498,16 @@ EXTRA_libgnu_a_SOURCES += mktime.c
endif
## end gnulib module mktime-internal
+## begin gnulib module nanosleep
+ifeq (,$(OMIT_GNULIB_MODULE_nanosleep))
+
+ifneq (,$(GL_COND_OBJ_NANOSLEEP_CONDITION))
+libgnu_a_SOURCES += nanosleep.c
+endif
+
+endif
+## end gnulib module nanosleep
+
## begin gnulib module nproc
ifeq (,$(OMIT_GNULIB_MODULE_nproc))
diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4
index 1d31239d2d..fb5f1b52a4 100644
--- a/m4/gnulib-comp.m4
+++ b/m4/gnulib-comp.m4
@@ -140,6 +140,7 @@ AC_DEFUN
# Code from module mktime:
# Code from module mktime-internal:
# Code from module multiarch:
+ # Code from module nanosleep:
# Code from module nocrash:
# Code from module nproc:
# Code from module nstrftime:
@@ -430,6 +431,10 @@ AC_DEFUN
fi
gl_TIME_MODULE_INDICATOR([mktime])
gl_MULTIARCH
+ gl_FUNC_NANOSLEEP
+ gl_CONDITIONAL([GL_COND_OBJ_NANOSLEEP],
+ [test $HAVE_NANOSLEEP = 0 || test $REPLACE_NANOSLEEP = 1])
+ gl_TIME_MODULE_INDICATOR([nanosleep])
gl_NPROC
gl_FUNC_GNU_STRFTIME
gl_PATHMAX
@@ -1304,6 +1309,7 @@ AC_DEFUN
lib/mkostemp.c
lib/mktime-internal.h
lib/mktime.c
+ lib/nanosleep.c
lib/nproc.c
lib/nproc.h
lib/nstrftime.c
@@ -1456,6 +1462,7 @@ AC_DEFUN
m4/mktime.m4
m4/mode_t.m4
m4/multiarch.m4
+ m4/nanosleep.m4
m4/nocrash.m4
m4/nproc.m4
m4/nstrftime.m4
diff --git a/src/gnutls.c b/src/gnutls.c
index 3ec3837067..5389b15b1e 100644
--- a/src/gnutls.c
+++ b/src/gnutls.c
@@ -616,6 +616,7 @@ gnutls_try_handshake (struct Lisp_Process *proc)
gnutls_session_t state = proc->gnutls_state;
int ret;
bool non_blocking = proc->is_non_blocking_client;
+ struct timespec delay = { 0, 1000 * 1000 * 10 };
if (proc->gnutls_complete_negotiation_p)
non_blocking = false;
@@ -630,6 +631,7 @@ gnutls_try_handshake (struct Lisp_Process *proc)
maybe_quit ();
if (non_blocking && ret != GNUTLS_E_INTERRUPTED)
break;
+ nanosleep (&delay, NULL);
}
proc->gnutls_initstage = GNUTLS_STAGE_HANDSHAKE_TRIED;
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
next prev parent reply other threads:[~2022-03-02 1:22 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-16 12:13 bug#32452: 26.1; gnutls_try_handshake maxes out cpu retrying when server is a bit busy Noam Postavsky
2018-08-16 12:49 ` Noam Postavsky
2018-08-16 13:41 ` Eli Zaretskii
2018-08-16 14:45 ` Noam Postavsky
2018-08-16 17:33 ` Eli Zaretskii
2018-08-17 1:02 ` Noam Postavsky
2018-08-17 5:59 ` Eli Zaretskii
2018-08-17 11:55 ` Noam Postavsky
2018-08-17 12:25 ` Eli Zaretskii
2018-08-17 22:10 ` Noam Postavsky
2018-08-18 6:34 ` Eli Zaretskii
2018-08-21 0:52 ` Noam Postavsky
2018-08-21 2:42 ` Eli Zaretskii
2022-02-21 15:20 ` Lars Ingebrigtsen
2022-02-23 19:45 ` Paul Eggert
2022-02-23 19:48 ` Lars Ingebrigtsen
2022-02-23 22:29 ` Paul Eggert
2022-02-23 22:40 ` Lars Ingebrigtsen
2022-02-24 3:09 ` Paul Eggert
2022-02-24 8:57 ` Lars Ingebrigtsen
2022-02-24 18:20 ` Paul Eggert
2022-02-25 2:19 ` Lars Ingebrigtsen
2022-02-25 2:27 ` Lars Ingebrigtsen
2022-02-25 20:41 ` Paul Eggert
[not found] ` <6f364184-7fa8-04f3-44a9-22ce40b872e8@cs.ucla.edu>
2022-02-26 15:12 ` Lars Ingebrigtsen
2022-02-26 15:37 ` Eli Zaretskii
[not found] ` <83ee3pprkr.fsf@gnu.org>
2022-02-26 16:04 ` Lars Ingebrigtsen
[not found] ` <87pmn9txzo.fsf@gnus.org>
2022-02-28 8:59 ` Lars Ingebrigtsen
[not found] ` <87ee3ns6x0.fsf@gnus.org>
2022-02-28 12:28 ` Eli Zaretskii
[not found] ` <83y21vmaye.fsf@gnu.org>
2022-02-28 12:31 ` Lars Ingebrigtsen
2022-02-28 12:35 ` Lars Ingebrigtsen
[not found] ` <877d9fnp7g.fsf@gnus.org>
2022-02-28 12:46 ` Eli Zaretskii
2022-02-28 21:47 ` Paul Eggert
[not found] ` <78c5037a-ac96-e7be-532f-b1776ed25b2b@cs.ucla.edu>
2022-03-01 15:36 ` Lars Ingebrigtsen
[not found] ` <87a6e9n0rg.fsf@gnus.org>
2022-03-01 18:27 ` Paul Eggert
[not found] ` <d0cfd485-2be6-5873-64dc-2926c2f2bae0@cs.ucla.edu>
2022-03-01 18:52 ` Lars Ingebrigtsen
[not found] ` <87czj5ld38.fsf@gnus.org>
2022-03-02 1:00 ` Paul Eggert
[not found] ` <d24b1278-1aeb-e17d-ed06-7d36c5e3b68b@cs.ucla.edu>
2022-03-02 1:22 ` Lars Ingebrigtsen [this message]
2022-03-02 1:43 ` Lars Ingebrigtsen
[not found] ` <87y21tjggy.fsf@gnus.org>
2022-03-02 2:12 ` Paul Eggert
[not found] ` <ab47871e-ad1e-e06d-c226-ab7b7c9bb857@cs.ucla.edu>
2022-03-03 13:46 ` Lars Ingebrigtsen
2022-03-03 13:49 ` Lars Ingebrigtsen
[not found] ` <87czj3jgdd.fsf@gnus.org>
2022-03-03 15:11 ` Eli Zaretskii
2022-03-04 15:28 ` Lars Ingebrigtsen
2022-03-04 16:47 ` Lars Ingebrigtsen
2022-03-04 19:46 ` Eli Zaretskii
2022-03-05 17:11 ` Lars Ingebrigtsen
2022-03-05 17:47 ` Eli Zaretskii
2022-03-05 18:06 ` Lars Ingebrigtsen
2022-03-09 3:01 ` Paul Eggert
[not found] ` <87h78fjgi7.fsf@gnus.org>
2022-03-03 21:40 ` Paul Eggert
[not found] ` <0756f1bd-1348-84ef-4eb8-4cc25eacf1dd@cs.ucla.edu>
2022-03-04 15:31 ` Lars Ingebrigtsen
2019-09-24 5:39 ` Lars Ingebrigtsen
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