Merge pull request containerd#1604 from jessvalarezo/windows-listpids

ListPids returns process details in addition to process IDs.

Author: crosbymichael

api/next.pb.txt

@@ -2956,6 +2956,7 @@ file {
   package: "containerd.v1.types"
   dependency: "gogoproto/gogo.proto"
   dependency: "google/protobuf/timestamp.proto"
+  dependency: "google/protobuf/any.proto"
   message_type {
     name: "Process"
     field {
@@ -3035,6 +3036,24 @@ file {
       json_name: "exitedAt"
     }
   }
+  message_type {
+    name: "ProcessInfo"
+    field {
+      name: "pid"
+      number: 1
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT32
+      json_name: "pid"
+    }
+    field {
+      name: "info"
+      number: 2
+      label: LABEL_OPTIONAL
+      type: TYPE_MESSAGE
+      type_name: ".google.protobuf.Any"
+      json_name: "info"
+    }
+  }
   enum_type {
     name: "Status"
     value {
@@ -3490,11 +3509,12 @@ file {
   message_type {
     name: "ListPidsResponse"
     field {
-      name: "pids"
+      name: "processes"
       number: 1
       label: LABEL_REPEATED
-      type: TYPE_UINT32
-      json_name: "pids"
+      type: TYPE_MESSAGE
+      type_name: ".containerd.v1.types.ProcessInfo"
+      json_name: "processes"
     }
   }
   message_type {

api/services/tasks/v1/tasks.pb.go

@@ -170,8 +170,9 @@ message ListPidsRequest {
 	string container_id = 1;
 }
 
-message ListPidsResponse{
-	repeated uint32 pids = 1;
+message ListPidsResponse {
+	// Processes includes the process ID and additional process information
+	repeated containerd.v1.types.ProcessInfo processes = 1;
 }
 
 message CheckpointTaskRequest {

api/services/tasks/v1/tasks.proto

@@ -4,6 +4,7 @@ package containerd.v1.types;
 
 import "gogoproto/gogo.proto";
 import "google/protobuf/timestamp.proto";
+import "google/protobuf/any.proto";
 
 enum Status {
 	option (gogoproto.goproto_enum_prefix) = false;
@@ -29,3 +30,12 @@ message Process {
 	uint32 exit_status = 9;
 	google.protobuf.Timestamp exited_at = 10 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
 }
+
+message ProcessInfo {
+	// PID is the process ID.
+	uint32 pid = 1;
+	// Info contains additional process information.
+	//
+	// Info varies by platform.
+	google.protobuf.Any info = 2;
+}