From 8c12c6939aab9106db14ec2d11d983bc5b29fb2c Mon Sep 17 00:00:00 2001 From: Niall Sheridan Date: Sun, 7 Jul 2019 21:33:44 +0100 Subject: Switch to modules --- vendor/golang.org/x/net/http2/gotrack.go | 170 ------------------------------- 1 file changed, 170 deletions(-) delete mode 100644 vendor/golang.org/x/net/http2/gotrack.go (limited to 'vendor/golang.org/x/net/http2/gotrack.go') diff --git a/vendor/golang.org/x/net/http2/gotrack.go b/vendor/golang.org/x/net/http2/gotrack.go deleted file mode 100644 index 9933c9f..0000000 --- a/vendor/golang.org/x/net/http2/gotrack.go +++ /dev/null @@ -1,170 +0,0 @@ -// Copyright 2014 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Defensive debug-only utility to track that functions run on the -// goroutine that they're supposed to. - -package http2 - -import ( - "bytes" - "errors" - "fmt" - "os" - "runtime" - "strconv" - "sync" -) - -var DebugGoroutines = os.Getenv("DEBUG_HTTP2_GOROUTINES") == "1" - -type goroutineLock uint64 - -func newGoroutineLock() goroutineLock { - if !DebugGoroutines { - return 0 - } - return goroutineLock(curGoroutineID()) -} - -func (g goroutineLock) check() { - if !DebugGoroutines { - return - } - if curGoroutineID() != uint64(g) { - panic("running on the wrong goroutine") - } -} - -func (g goroutineLock) checkNotOn() { - if !DebugGoroutines { - return - } - if curGoroutineID() == uint64(g) { - panic("running on the wrong goroutine") - } -} - -var goroutineSpace = []byte("goroutine ") - -func curGoroutineID() uint64 { - bp := littleBuf.Get().(*[]byte) - defer littleBuf.Put(bp) - b := *bp - b = b[:runtime.Stack(b, false)] - // Parse the 4707 out of "goroutine 4707 [" - b = bytes.TrimPrefix(b, goroutineSpace) - i := bytes.IndexByte(b, ' ') - if i < 0 { - panic(fmt.Sprintf("No space found in %q", b)) - } - b = b[:i] - n, err := parseUintBytes(b, 10, 64) - if err != nil { - panic(fmt.Sprintf("Failed to parse goroutine ID out of %q: %v", b, err)) - } - return n -} - -var littleBuf = sync.Pool{ - New: func() interface{} { - buf := make([]byte, 64) - return &buf - }, -} - -// parseUintBytes is like strconv.ParseUint, but using a []byte. -func parseUintBytes(s []byte, base int, bitSize int) (n uint64, err error) { - var cutoff, maxVal uint64 - - if bitSize == 0 { - bitSize = int(strconv.IntSize) - } - - s0 := s - switch { - case len(s) < 1: - err = strconv.ErrSyntax - goto Error - - case 2 <= base && base <= 36: - // valid base; nothing to do - - case base == 0: - // Look for octal, hex prefix. - switch { - case s[0] == '0' && len(s) > 1 && (s[1] == 'x' || s[1] == 'X'): - base = 16 - s = s[2:] - if len(s) < 1 { - err = strconv.ErrSyntax - goto Error - } - case s[0] == '0': - base = 8 - default: - base = 10 - } - - default: - err = errors.New("invalid base " + strconv.Itoa(base)) - goto Error - } - - n = 0 - cutoff = cutoff64(base) - maxVal = 1<= base { - n = 0 - err = strconv.ErrSyntax - goto Error - } - - if n >= cutoff { - // n*base overflows - n = 1<<64 - 1 - err = strconv.ErrRange - goto Error - } - n *= uint64(base) - - n1 := n + uint64(v) - if n1 < n || n1 > maxVal { - // n+v overflows - n = 1<<64 - 1 - err = strconv.ErrRange - goto Error - } - n = n1 - } - - return n, nil - -Error: - return n, &strconv.NumError{Func: "ParseUint", Num: string(s0), Err: err} -} - -// Return the first number n such that n*base >= 1<<64. -func cutoff64(base int) uint64 { - if base < 2 { - return 0 - } - return (1<<64-1)/uint64(base) + 1 -} -- cgit v1.2.3