[CRIU] [PATCH cr 03/10] restore: calculate a maximum value of PID-s

[Andrey Vagin]

It will be used for allocating PIDs for helper tasks

Signed-off-by: Andrey Vagin <avagin at openvz.org>
---
 cr-restore.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/cr-restore.c b/cr-restore.c
index ce28b44..7e5b003 100644
--- a/cr-restore.c
+++ b/cr-restore.c
@@ -68,6 +68,7 @@ static int shmem_remap(void *old_addr, void *new_addr, unsigned long size)
 	return 0;
 }
 
+static int max_pid = 0;
 static int prepare_pstree(void)
 {
 	int ret = 0, i, ps_fd;
@@ -101,8 +102,16 @@ static int prepare_pstree(void)
 			break;
 
 		pi->pid = e.pid;
+		if (e.pid > max_pid)
+			max_pid = e.pid;
+
 		pi->pgid = e.pgid;
+		if (e.pgid > max_pid)
+			max_pid = e.pgid;
+
 		pi->sid = e.sid;
+		if (e.sid > max_pid)
+			max_pid = e.sid;
 
 		if (e.ppid == 0) {
 			BUG_ON(root_item);
-- 
1.7.1