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Dan Peterson f0c9ae5452 net/http: use exponential backoff for polling in Server.Shutdown
Instead of always polling 500ms, start with an interval of 1ms and
exponentially back off to at most 500ms. 10% jitter is added to each
interval.

This makes Shutdown more responsive when connections and listeners
close quickly.

Also removes the need for the polling interval to be changed in tests
since if tests' connections and listeners close quickly Shutdown will
also return quickly.

Fixes #42156

Change-Id: I5e59844a2980c09adebff57ae8b58817965e6db4
Reviewed-on: https://go-review.googlesource.com/c/go/+/264479
Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Trust: Bryan C. Mills <bcmills@google.com>
2020-10-27 18:38:48 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api io/fs: move FileInfo, FileMode, PathError, ErrInvalid, ... from os to io/fs 2020-10-20 02:32:41 +00:00
doc doc/go1.16: document ASLR support for -buildmode=c-shared on windows 2020-10-22 23:00:42 +00:00
lib/time lib/time, time/tzdata: update tz data to 2020d 2020-10-24 21:42:44 +00:00
misc misc/cgo/test: test C.enum_* 2020-10-27 18:13:59 +00:00
src net/http: use exponential backoff for polling in Server.Shutdown 2020-10-27 18:38:48 +00:00
test cmd/compile: combine more 32 bit shift and mask operations on ppc64 2020-10-27 18:33:20 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: update for the Go 1.15 release 2020-08-10 21:51:48 +00:00
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README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
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SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00

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