//   - gvisor.dev/gvisor
//   - github.com/sagernet/gvisor
//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname goyield
func goyield() {
	checkTimeouts()
	mcall(goyield_m)
}

func goyield_m(gp *g) {
	trace := traceAcquire()
	pp := gp.m.p.ptr()
	if trace.ok() {
		// Trace the event before the transition. It may take a

			// the waiter G immediately.
			// Note that waiter inherits our time slice: this is desirable
			// to avoid having a highly contended semaphore hog the P
			// indefinitely. goyield is like Gosched, but it emits a
			// "preempted" trace event instead and, more importantly, puts
			// the current G on the local runq instead of the global one.
			// We only do this in the starving regime (handoff=true), as in