| // 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} |
