From 0a7075f38a4870ded687e117a299ac4996c0673e Mon Sep 17 00:00:00 2001
From: Adin Scannell <ascannell@google.com>
Date: Thu, 24 Sep 2020 10:11:10 -0700
Subject: Add basic stateify annotations.

Updates #1663

PiperOrigin-RevId: 333539293
---
 pkg/sentry/devices/memdev/full.go   | 4 ++++
 pkg/sentry/devices/memdev/null.go   | 4 ++++
 pkg/sentry/devices/memdev/random.go | 4 ++++
 pkg/sentry/devices/memdev/zero.go   | 4 ++++
 4 files changed, 16 insertions(+)

(limited to 'pkg/sentry/devices/memdev')

diff --git a/pkg/sentry/devices/memdev/full.go b/pkg/sentry/devices/memdev/full.go
index 511179e31..fece3e762 100644
--- a/pkg/sentry/devices/memdev/full.go
+++ b/pkg/sentry/devices/memdev/full.go
@@ -24,6 +24,8 @@ import (
 const fullDevMinor = 7
 
 // fullDevice implements vfs.Device for /dev/full.
+//
+// +stateify savable
 type fullDevice struct{}
 
 // Open implements vfs.Device.Open.
@@ -38,6 +40,8 @@ func (fullDevice) Open(ctx context.Context, mnt *vfs.Mount, vfsd *vfs.Dentry, op
 }
 
 // fullFD implements vfs.FileDescriptionImpl for /dev/full.
+//
+// +stateify savable
 type fullFD struct {
 	vfsfd vfs.FileDescription
 	vfs.FileDescriptionDefaultImpl
diff --git a/pkg/sentry/devices/memdev/null.go b/pkg/sentry/devices/memdev/null.go
index 4918dbeeb..ff5837747 100644
--- a/pkg/sentry/devices/memdev/null.go
+++ b/pkg/sentry/devices/memdev/null.go
@@ -25,6 +25,8 @@ import (
 const nullDevMinor = 3
 
 // nullDevice implements vfs.Device for /dev/null.
+//
+// +stateify savable
 type nullDevice struct{}
 
 // Open implements vfs.Device.Open.
@@ -39,6 +41,8 @@ func (nullDevice) Open(ctx context.Context, mnt *vfs.Mount, vfsd *vfs.Dentry, op
 }
 
 // nullFD implements vfs.FileDescriptionImpl for /dev/null.
+//
+// +stateify savable
 type nullFD struct {
 	vfsfd vfs.FileDescription
 	vfs.FileDescriptionDefaultImpl
diff --git a/pkg/sentry/devices/memdev/random.go b/pkg/sentry/devices/memdev/random.go
index 5e7fe0280..ac943e3ba 100644
--- a/pkg/sentry/devices/memdev/random.go
+++ b/pkg/sentry/devices/memdev/random.go
@@ -30,6 +30,8 @@ const (
 )
 
 // randomDevice implements vfs.Device for /dev/random and /dev/urandom.
+//
+// +stateify savable
 type randomDevice struct{}
 
 // Open implements vfs.Device.Open.
@@ -44,6 +46,8 @@ func (randomDevice) Open(ctx context.Context, mnt *vfs.Mount, vfsd *vfs.Dentry,
 }
 
 // randomFD implements vfs.FileDescriptionImpl for /dev/random.
+//
+// +stateify savable
 type randomFD struct {
 	vfsfd vfs.FileDescription
 	vfs.FileDescriptionDefaultImpl
diff --git a/pkg/sentry/devices/memdev/zero.go b/pkg/sentry/devices/memdev/zero.go
index 60cfea888..1929e41cd 100644
--- a/pkg/sentry/devices/memdev/zero.go
+++ b/pkg/sentry/devices/memdev/zero.go
@@ -27,6 +27,8 @@ import (
 const zeroDevMinor = 5
 
 // zeroDevice implements vfs.Device for /dev/zero.
+//
+// +stateify savable
 type zeroDevice struct{}
 
 // Open implements vfs.Device.Open.
@@ -41,6 +43,8 @@ func (zeroDevice) Open(ctx context.Context, mnt *vfs.Mount, vfsd *vfs.Dentry, op
 }
 
 // zeroFD implements vfs.FileDescriptionImpl for /dev/zero.
+//
+// +stateify savable
 type zeroFD struct {
 	vfsfd vfs.FileDescription
 	vfs.FileDescriptionDefaultImpl
-- 
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