ceph-csi/vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go
Niels de Vos c12b155940 rebase: use latest google.golang.org/grpc version
google.golang.org/grpc was listed in go.mod:replace and updating the
dependency was not possible. There should not be a reason to prevent
updating, commit 5aca04d540 added it but without explanation.

Signed-off-by: Niels de Vos <ndevos@redhat.com>
2021-09-01 15:19:26 +00:00

68 lines
1.5 KiB
Go

/*
*
* Copyright 2018 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
// Package grpcrand implements math/rand functions in a concurrent-safe way
// with a global random source, independent of math/rand's global source.
package grpcrand
import (
"math/rand"
"sync"
"time"
)
var (
r = rand.New(rand.NewSource(time.Now().UnixNano()))
mu sync.Mutex
)
// Int implements rand.Int on the grpcrand global source.
func Int() int {
mu.Lock()
defer mu.Unlock()
return r.Int()
}
// Int63n implements rand.Int63n on the grpcrand global source.
func Int63n(n int64) int64 {
mu.Lock()
defer mu.Unlock()
return r.Int63n(n)
}
// Intn implements rand.Intn on the grpcrand global source.
func Intn(n int) int {
mu.Lock()
defer mu.Unlock()
return r.Intn(n)
}
// Float64 implements rand.Float64 on the grpcrand global source.
func Float64() float64 {
mu.Lock()
defer mu.Unlock()
return r.Float64()
}
// Uint64 implements rand.Uint64 on the grpcrand global source.
func Uint64() uint64 {
mu.Lock()
defer mu.Unlock()
return r.Uint64()
}