blob: 32378a96277c7199c3eb894c2c5a97e69316ef74 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
// Copyright 2020 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.
// +build !goexperiment.staticlockranking
package runtime
// // lockRankStruct is embedded in mutex, but is empty when staticklockranking is
// disabled (the default)
type lockRankStruct struct {
}
func lockInit(l *mutex, rank lockRank) {
}
func getLockRank(l *mutex) lockRank {
return 0
}
// The following functions may be called in nosplit context.
// Nosplit is not strictly required for lockWithRank, unlockWithRank
// and lockWithRankMayAcquire, but these nosplit annotations must
// be kept consistent with the equivalent functions in lockrank_on.go.
//go:nosplit
func lockWithRank(l *mutex, rank lockRank) {
lock2(l)
}
//go:nosplit
func acquireLockRank(rank lockRank) {
}
//go:nosplit
func unlockWithRank(l *mutex) {
unlock2(l)
}
//go:nosplit
func releaseLockRank(rank lockRank) {
}
//go:nosplit
func lockWithRankMayAcquire(l *mutex, rank lockRank) {
}
|
