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c51f6c6257
Fixes #66216. Change-Id: I2750a744d0dcf636a00d388299e1f2f993e5ac26 Reviewed-on: https://go-review.googlesource.com/c/go/+/572575 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Robert Griesemer <gri@google.com> Reviewed-by: Alan Donovan <adonovan@google.com> Auto-Submit: Robert Griesemer <gri@google.com>
79 lines
3.3 KiB
Go
79 lines
3.3 KiB
Go
// Copyright 2023 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package godebugs provides a table of known GODEBUG settings,
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// for use by a variety of other packages, including internal/godebug,
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// runtime, runtime/metrics, and cmd/go/internal/load.
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package godebugs
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// An Info describes a single known GODEBUG setting.
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type Info struct {
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Name string // name of the setting ("panicnil")
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Package string // package that uses the setting ("runtime")
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Changed int // minor version when default changed, if any; 21 means Go 1.21
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Old string // value that restores behavior prior to Changed
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Opaque bool // setting does not export information to runtime/metrics using [internal/godebug.Setting.IncNonDefault]
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}
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// All is the table of known settings, sorted by Name.
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//
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// Note: After adding entries to this table, run 'go generate runtime/metrics'
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// to update the runtime/metrics doc comment.
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// (Otherwise the runtime/metrics test will fail.)
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//
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// Note: After adding entries to this table, update the list in doc/godebug.md as well.
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// (Otherwise the test in this package will fail.)
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var All = []Info{
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{Name: "asynctimerchan", Package: "time", Changed: 23, Old: "1", Opaque: true},
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{Name: "execerrdot", Package: "os/exec"},
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{Name: "gocachehash", Package: "cmd/go"},
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{Name: "gocachetest", Package: "cmd/go"},
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{Name: "gocacheverify", Package: "cmd/go"},
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{Name: "gotypesalias", Package: "go/types", Changed: 23, Old: "0"},
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{Name: "http2client", Package: "net/http"},
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{Name: "http2debug", Package: "net/http", Opaque: true},
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{Name: "http2server", Package: "net/http"},
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{Name: "httplaxcontentlength", Package: "net/http", Changed: 22, Old: "1"},
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{Name: "httpmuxgo121", Package: "net/http", Changed: 22, Old: "1"},
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{Name: "installgoroot", Package: "go/build"},
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{Name: "jstmpllitinterp", Package: "html/template", Opaque: true}, // bug #66217: remove Opaque
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//{Name: "multipartfiles", Package: "mime/multipart"},
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{Name: "multipartmaxheaders", Package: "mime/multipart"},
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{Name: "multipartmaxparts", Package: "mime/multipart"},
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{Name: "multipathtcp", Package: "net"},
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{Name: "netdns", Package: "net", Opaque: true},
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{Name: "panicnil", Package: "runtime", Changed: 21, Old: "1"},
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{Name: "randautoseed", Package: "math/rand"},
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{Name: "tarinsecurepath", Package: "archive/tar"},
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{Name: "tls10server", Package: "crypto/tls", Changed: 22, Old: "1"},
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{Name: "tlsmaxrsasize", Package: "crypto/tls"},
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{Name: "tlsrsakex", Package: "crypto/tls", Changed: 22, Old: "1"},
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{Name: "tlsunsafeekm", Package: "crypto/tls", Changed: 22, Old: "1"},
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{Name: "winreadlinkvolume", Package: "os", Changed: 22, Old: "0"},
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{Name: "winsymlink", Package: "os", Changed: 22, Old: "0"},
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{Name: "x509sha1", Package: "crypto/x509"},
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{Name: "x509usefallbackroots", Package: "crypto/x509"},
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{Name: "x509usepolicies", Package: "crypto/x509"},
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{Name: "zipinsecurepath", Package: "archive/zip"},
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}
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// Lookup returns the Info with the given name.
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func Lookup(name string) *Info {
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// binary search, avoiding import of sort.
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lo := 0
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hi := len(All)
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for lo < hi {
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m := int(uint(lo+hi) >> 1)
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mid := All[m].Name
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if name == mid {
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return &All[m]
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}
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if name < mid {
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hi = m
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} else {
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lo = m + 1
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}
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}
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return nil
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}
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