From: Sukadev Bhattiprolu <[email protected]>
Date: Sat, 6 Mar 2010 13:06:35 -0800
Subject: [PATCH 13/14][user-cr] restart: Move args checking to app_restart()

parse_args() validates the specified arguments to ensure they are consistent.
Move this code into app_restart() so that these checks apply to other callers
of app_restart() also.

Signed-off-by: Sukadev Bhattiprolu <[email protected]>
---
 restart-main.c |   33 +--------------------------------
 restart.c      |   36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 32 deletions(-)

diff --git a/restart-main.c b/restart-main.c
index 36318a4..681ff8e 100644
--- a/restart-main.c
+++ b/restart-main.c
@@ -261,38 +261,7 @@ static void parse_args(struct app_restart_args *args, int 
argc, char *argv[])
        if (no_pidns)
                args->pidns = 0;
 
-#ifndef CLONE_NEWPID
-       if (args->pidns) {
-               ckpt_err("This version of restart was compiled without "
-                      "support for --pidns.\n");
-               exit(1);
-       }
-#endif
-
-#ifndef CHECKPOINT_DEBUG
-       if (global_debug) {
-               ckpt_err("This version of restart was compiled without "
-                      "support for --debug.\n");
-               exit(1);
-       }
-#endif
-
-       if (args->pidns)
-               args->pids = 1;
-
-#if 0   /* Defered until __NR_eclone makes it to standard headers */
-#ifndef __NR_eclone
-       if (args->pids) {
-               ckpt_err("This version of restart was compiled without "
-                      "support for --pids.\n");
-               exit(1);
-       }
-#endif
-#endif
-
-       if (args->self &&
-           (args->pids || args->pidns || no_pidns ||
-            args->show_status || args->copy_status || args->freezer)) {
+       if (args->self && no_pidns) {
                ckpt_err("Invalid mix of --self with multiprocess options\n");
                exit(1);
        }
diff --git a/restart.c b/restart.c
index d7b5b72..b2708c3 100644
--- a/restart.c
+++ b/restart.c
@@ -407,6 +407,42 @@ int process_args(struct app_restart_args *args)
        if (args->mnt_pty)
                args->mntns = 1;
 
+#ifndef CLONE_NEWPID
+       if (args->pidns) {
+               ckpt_err("This version of restart was compiled without "
+                      "support for --pidns.\n");
+               exit(1);
+       }
+#endif
+
+#ifndef CHECKPOINT_DEBUG
+       if (global_debug) {
+               ckpt_err("This version of restart was compiled without "
+                      "support for --debug.\n");
+               exit(1);
+       }
+#endif
+
+       if (args->pidns)
+               args->pids = 1;
+
+#if 0   /* Defered until __NR_eclone makes it to standard headers */
+#ifndef __NR_eclone
+       if (args->pids) {
+               ckpt_err("This version of restart was compiled without "
+                      "support for --pids.\n");
+               exit(1);
+       }
+#endif
+#endif
+
+       if (args->self &&
+           (args->pids || args->pidns || args->show_status ||
+            args->copy_status || args->freezer)) {
+               ckpt_err("Invalid mix of --self with multiprocess options\n");
+               exit(1);
+       }
+
        return 0;
 }
 
-- 
1.6.0.4

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