runc/libcontainer/stacktrace/capture.go

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package stacktrace
import "runtime"
// Caputure captures a stacktrace for the current calling go program
//
// skip is the number of frames to skip
func Capture(userSkip int) Stacktrace {
var (
skip = userSkip + 1 // add one for our own function
frames []Frame
)
for i := skip; ; i++ {
pc, file, line, ok := runtime.Caller(i)
if !ok {
break
}
frames = append(frames, NewFrame(pc, file, line))
}
return Stacktrace{
Frames: frames,
}
}