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The builtin mechanism to capture a stacktrace in Go is to send a SIGQUIT to the running process. However, this mechanism is not avaiable on Windows. Thus, tweak the SIGINT handler to dump a stacktrace if the environment variable `RESTIC_DEBUG_STACKTRACE_SIGINT` is set.
15 lines
223 B
Go
15 lines
223 B
Go
package debug
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import "runtime"
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func DumpStacktrace() string {
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buf := make([]byte, 128*1024)
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for {
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l := runtime.Stack(buf, true)
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if l < len(buf) {
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return string(buf[:l])
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}
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buf = make([]byte, len(buf)*2)
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}
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}
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