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author | hiddenpath <hiddenpath@yandex-team.com> | 2024-04-02 23:50:23 +0300 |
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committer | hiddenpath <hiddenpath@yandex-team.com> | 2024-04-03 00:02:31 +0300 |
commit | 8923c6d2c438e0aeed2e06b8b0275e1864eeee33 (patch) | |
tree | 6b5e476699fc0be5091cb650654ef5f602c8afff /contrib/go/_std_1.22/src/runtime/debug/stack.go | |
parent | d18afd09df2a08cd023012593b46109b77713a6c (diff) | |
download | ydb-8923c6d2c438e0aeed2e06b8b0275e1864eeee33.tar.gz |
Update golang to 1.22.1
2967d19c907adf59101a1f47b4208bd0b04a6186
Diffstat (limited to 'contrib/go/_std_1.22/src/runtime/debug/stack.go')
-rw-r--r-- | contrib/go/_std_1.22/src/runtime/debug/stack.go | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/contrib/go/_std_1.22/src/runtime/debug/stack.go b/contrib/go/_std_1.22/src/runtime/debug/stack.go new file mode 100644 index 0000000000..3999840d3c --- /dev/null +++ b/contrib/go/_std_1.22/src/runtime/debug/stack.go @@ -0,0 +1,30 @@ +// Copyright 2011 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. + +// Package debug contains facilities for programs to debug themselves while +// they are running. +package debug + +import ( + "os" + "runtime" +) + +// PrintStack prints to standard error the stack trace returned by runtime.Stack. +func PrintStack() { + os.Stderr.Write(Stack()) +} + +// Stack returns a formatted stack trace of the goroutine that calls it. +// It calls [runtime.Stack] with a large enough buffer to capture the entire trace. +func Stack() []byte { + buf := make([]byte, 1024) + for { + n := runtime.Stack(buf, false) + if n < len(buf) { + return buf[:n] + } + buf = make([]byte, 2*len(buf)) + } +} |