1 files changed, 64 insertions, 0 deletions
diff --git a/src/mongo/gotools/vendor/src/github.com/10gen/openssl/mapping.go b/src/mongo/gotools/vendor/src/github.com/10gen/openssl/mapping.go
new file mode 100644
index 00000000000..066aba6b5db
--- /dev/null
+++ b/src/mongo/gotools/vendor/src/github.com/10gen/openssl/mapping.go
@@ -0,0 +1,64 @@
+// Copyright (C) 2014 Space Monkey, Inc.
+//
+// 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 cgo
+
+package openssl
+
+import (
+	"sync"
+	"unsafe"
+)
+
+// #include <stdlib.h>
+import "C"
+
+type mapping struct {
+	lock   sync.Mutex
+	values map[token]unsafe.Pointer
+}
+
+func newMapping() *mapping {
+	return &mapping{
+		values: make(map[token]unsafe.Pointer),
+	}
+}
+
+type token unsafe.Pointer
+
+func (m *mapping) Add(x unsafe.Pointer) token {
+	res := token(C.malloc(1))
+
+	m.lock.Lock()
+	m.values[res] = x
+	m.lock.Unlock()
+
+	return res
+}
+
+func (m *mapping) Get(x token) unsafe.Pointer {
+	m.lock.Lock()
+	res := m.values[x]
+	m.lock.Unlock()
+
+	return res
+}
+
+func (m *mapping) Del(x token) {
+	m.lock.Lock()
+	delete(m.values, x)
+	m.lock.Unlock()
+
+	C.free(unsafe.Pointer(x))
+}