| [PATCH 08/11] udpate kernel headers: support for pids objects [message #41569 is a reply to message #41565] |
Mon, 07 February 2011 17:21   |
Oren Laadan
Messages: 71
Registered: August 2007
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Member |
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---
include/linux/checkpoint_hdr.h | 29 ++++++++++++++++++++++++-----
1 files changed, 24 insertions(+), 5 deletions(-)
diff --git a/include/linux/checkpoint_hdr.h b/include/linux/checkpoint_hdr.h
index f7c4d9a..227bfbe 100644
--- a/include/linux/checkpoint_hdr.h
+++ b/include/linux/checkpoint_hdr.h
@@ -94,7 +94,9 @@ enum {
CKPT_HDR_SECURITY,
#define CKPT_HDR_SECURITY CKPT_HDR_SECURITY
- CKPT_HDR_TREE = 101,
+ CKPT_HDR_PIDS = 101,
+#define CKPT_HDR_PIDS CKPT_HDR_PIDS
+ CKPT_HDR_TREE,
#define CKPT_HDR_TREE CKPT_HDR_TREE
CKPT_HDR_TASK,
#define CKPT_HDR_TASK CKPT_HDR_TASK
@@ -232,6 +234,8 @@ struct ckpt_hdr_objref {
enum obj_type {
CKPT_OBJ_IGNORE = 0,
#define CKPT_OBJ_IGNORE CKPT_OBJ_IGNORE
+ CKPT_OBJ_PID,
+#define CKPT_OBJ_PID CKPT_OBJ_PID
CKPT_OBJ_INODE,
#define CKPT_OBJ_INODE CKPT_OBJ_INODE
CKPT_OBJ_FILE_TABLE,
@@ -343,24 +347,39 @@ struct ckpt_hdr_container {
*/
} __attribute__((aligned(8)));;
+/* pids array */
+struct ckpt_hdr_pids {
+ struct ckpt_hdr h;
+ __u32 nr_pids;
+ __u32 nr_vpids;
+ __u32 offset;
+} __attribute__((aligned(8)));
+
+struct ckpt_pids {
+ __u32 depth;
+ __s32 numbers[1];
+} __attribute__((aligned(8)));
+
/* task tree */
struct ckpt_hdr_tree {
struct ckpt_hdr h;
- __s32 nr_tasks;
+ __u32 nr_tasks;
} __attribute__((aligned(8)));
-struct ckpt_pids {
+struct ckpt_task_pids {
/* These pids are in the root_nsproxy's pid ns */
__s32 vpid;
__s32 vppid;
__s32 vtgid;
__s32 vpgid;
__s32 vsid;
- __s32 depth; /* pid namespace depth relative to container init */
+ __u32 depth;
} __attribute__((aligned(8)));
/* pids */
-#define CKPT_PID_NULL -1
+/* (negative but not valid error) */
+#define CKPT_PID_NULL (-4096) /* null pid pointer */
+#define CKPT_PID_ROOT (-4097) /* pid same as root task */
/* task data */
struct ckpt_hdr_task {
--
1.7.1
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