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author | Niall Sheridan <nsheridan@gmail.com> | 2018-06-20 22:39:07 +0100 |
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committer | Niall Sheridan <nsheridan@gmail.com> | 2018-06-20 22:39:07 +0100 |
commit | de6d2c524430287c699aaa898c1325da6afea539 (patch) | |
tree | f78eb841208d667668a7bc92a9290d693cc7103b /vendor/github.com/aws/aws-sdk-go/internal/sdkrand/locked_source.go | |
parent | eb99016e1629e690e55633de6fc63a14c53e7ea2 (diff) |
Update dependencies
Diffstat (limited to 'vendor/github.com/aws/aws-sdk-go/internal/sdkrand/locked_source.go')
-rw-r--r-- | vendor/github.com/aws/aws-sdk-go/internal/sdkrand/locked_source.go | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/vendor/github.com/aws/aws-sdk-go/internal/sdkrand/locked_source.go b/vendor/github.com/aws/aws-sdk-go/internal/sdkrand/locked_source.go new file mode 100644 index 0000000..0c9802d --- /dev/null +++ b/vendor/github.com/aws/aws-sdk-go/internal/sdkrand/locked_source.go @@ -0,0 +1,29 @@ +package sdkrand + +import ( + "math/rand" + "sync" + "time" +) + +// lockedSource is a thread-safe implementation of rand.Source +type lockedSource struct { + lk sync.Mutex + src rand.Source +} + +func (r *lockedSource) Int63() (n int64) { + r.lk.Lock() + n = r.src.Int63() + r.lk.Unlock() + return +} + +func (r *lockedSource) Seed(seed int64) { + r.lk.Lock() + r.src.Seed(seed) + r.lk.Unlock() +} + +// SeededRand is a new RNG using a thread safe implementation of rand.Source +var SeededRand = rand.New(&lockedSource{src: rand.NewSource(time.Now().UnixNano())}) |