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-rw-r--r--vendor/github.com/prometheus/prometheus/util/flock/flock_solaris.go59
1 files changed, 59 insertions, 0 deletions
diff --git a/vendor/github.com/prometheus/prometheus/util/flock/flock_solaris.go b/vendor/github.com/prometheus/prometheus/util/flock/flock_solaris.go
new file mode 100644
index 000000000..299fc8744
--- /dev/null
+++ b/vendor/github.com/prometheus/prometheus/util/flock/flock_solaris.go
@@ -0,0 +1,59 @@
+// Copyright 2016 The Prometheus 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.
+
+// +build solaris
+
+package flock
+
+import (
+ "os"
+ "syscall"
+)
+
+type unixLock struct {
+ f *os.File
+}
+
+func (l *unixLock) Release() error {
+ if err := l.set(false); err != nil {
+ return err
+ }
+ return l.f.Close()
+}
+
+func (l *unixLock) set(lock bool) error {
+ flock := syscall.Flock_t{
+ Type: syscall.F_UNLCK,
+ Start: 0,
+ Len: 0,
+ Whence: 1,
+ }
+ if lock {
+ flock.Type = syscall.F_WRLCK
+ }
+ return syscall.FcntlFlock(l.f.Fd(), syscall.F_SETLK, &flock)
+}
+
+func newLock(fileName string) (Releaser, error) {
+ f, err := os.OpenFile(fileName, os.O_RDWR|os.O_CREATE, 0644)
+ if err != nil {
+ return nil, err
+ }
+ l := &unixLock{f}
+ err = l.set(true)
+ if err != nil {
+ f.Close()
+ return nil, err
+ }
+ return l, nil
+}