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30 lines
859 B
30 lines
859 B
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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package gdebug
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import (
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"regexp"
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"runtime"
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"strconv"
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)
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var (
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// gridRegex is the regular expression object for parsing goroutine id from stack information.
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gridRegex = regexp.MustCompile(`^\w+\s+(\d+)\s+`)
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)
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// GoroutineId retrieves and returns the current goroutine id from stack information.
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// Be very aware that, it is with low performance as it uses runtime.Stack function.
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// It is commonly used for debugging purpose.
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func GoroutineId() int {
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buf := make([]byte, 26)
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runtime.Stack(buf, false)
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match := gridRegex.FindSubmatch(buf)
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id, _ := strconv.Atoi(string(match[1]))
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return id
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}
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