From a78cef0ed7ce15583424f5873f0aa6fdad1d5c2f Mon Sep 17 00:00:00 2001
From: Jing Chen <chjing@google.com>
Date: Thu, 3 Dec 2020 19:55:20 -0800
Subject: Implement command IPC_INFO for semctl.

PiperOrigin-RevId: 345589628
---
 pkg/abi/linux/sem.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'pkg/abi')

diff --git a/pkg/abi/linux/sem.go b/pkg/abi/linux/sem.go
index 167d2ff74..0adff8dff 100644
--- a/pkg/abi/linux/sem.go
+++ b/pkg/abi/linux/sem.go
@@ -41,6 +41,12 @@ const (
 	SEMMNS = SEMMNI * SEMMSL
 	SEMOPM = 500
 	SEMVMX = 32767
+	SEMAEM = SEMVMX
+
+	// followings are unused in kernel
+	SEMUME = SEMOPM
+	SEMMNU = SEMMNS
+	SEMMAP = SEMMNS
 )
 
 const SEM_UNDO = 0x1000
@@ -53,3 +59,21 @@ type Sembuf struct {
 	SemOp  int16
 	SemFlg int16
 }
+
+// SemInfo is equivalent to struct seminfo.
+//
+// Source: include/uapi/linux/sem.h
+//
+// +marshal
+type SemInfo struct {
+	SemMap uint32
+	SemMni uint32
+	SemMns uint32
+	SemMnu uint32
+	SemMsl uint32
+	SemOpm uint32
+	SemUme uint32
+	SemUsz uint32
+	SemVmx uint32
+	SemAem uint32
+}
-- 
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