How Can I Detect if the GoLand Debugger is Attached to a Go Program?

Detecting GoLand Debugger Presence in a Running Program

In Go, unlike in C# where System.Diagnostics.Debugger.IsAttached can be used to detect debugger presence, there is no direct equivalent. To address this, one approach is to leverage build tags with the delve debugger.

Using Build Tags

Create two files:

• isdelve/delve.go:

// +build delve

package isdelve

const Enabled = true

• isdelve/nodelve.go:

// +build !delve

package isdelve

const Enabled = false

In your main program, import the isdelve package and check the Enabled constant:

import "isdelve"

func main() {
    fmt.Println("delve", isdelve.Enabled)
}

Enabling Build Tags in GoLand

In GoLand, navigate to 'Run/Debug Configurations', and in 'Go tool arguments', add:

-tags=delve

Now, running the program in GoLand will enable the delve build tag, allowing you to access the isdelve.Enabled constant.

Using delve's set Command

Alternatively, use delve's set command to set a variable after starting the debugger:

dlv debug a.go
(dlv) set debug.enabled true

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