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// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package event
// SchedReqs is a set of constraints on what the scheduling
// context must look like.
type SchedReqs struct {
Thread Constraint
Proc Constraint
Goroutine Constraint
}
// Constraint represents a various presence requirements.
type Constraint uint8
const (
MustNotHave Constraint = iota
MayHave
MustHave
)
// UserGoReqs is a common requirement among events that are running
// or are close to running user code.
var UserGoReqs = SchedReqs{Thread: MustHave, Proc: MustHave, Goroutine: MustHave}
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