1 files changed, 52 insertions, 0 deletions
diff --git a/pkg/abi/linux/sem.go b/pkg/abi/linux/sem.go
new file mode 100644
index 000000000..de422c519
--- /dev/null
+++ b/pkg/abi/linux/sem.go
@@ -0,0 +1,52 @@
+// Copyright 2018 The gVisor 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 linux
+
+// semctl Command Definitions. Source: include/uapi/linux/sem.h
+const (
+	GETPID  = 11
+	GETVAL  = 12
+	GETALL  = 13
+	GETNCNT = 14
+	GETZCNT = 15
+	SETVAL  = 16
+	SETALL  = 17
+)
+
+// ipcs ctl cmds. Source: include/uapi/linux/sem.h
+const (
+	SEM_STAT     = 18
+	SEM_INFO     = 19
+	SEM_STAT_ANY = 20
+)
+
+const SEM_UNDO = 0x1000
+
+// SemidDS is equivalent to struct semid64_ds.
+type SemidDS struct {
+	SemPerm  IPCPerm
+	SemOTime TimeT
+	SemCTime TimeT
+	SemNSems uint64
+	unused3  uint64
+	unused4  uint64
+}
+
+// Sembuf is equivalent to struct sembuf.
+type Sembuf struct {
+	SemNum uint16
+	SemOp  int16
+	SemFlg int16
+}