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restic/internal/debug/stacktrace.go

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Go
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Print stacktrace in SIGINT handler if RESTIC_DEBUG_STACKTRACE_SIGINT set 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.
2023-04-23 14:56:36 +02:00
package debug
import "runtime"
func DumpStacktrace() string {
buf := make([]byte, 128*1024)
for {
l := runtime.Stack(buf, true)
if l < len(buf) {
return string(buf[:l])
}
buf = make([]byte, len(buf)*2)
}
}
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