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[2/5] runstate: Print state transition when invalid

Message ID 1319029011-11706-3-git-send-email-lcapitulino@redhat.com
State New
Headers show

Commit Message

Luiz Capitulino Oct. 19, 2011, 12:56 p.m. UTC
Makes it easier to debug.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
---
 vl.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)
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Patch

diff --git a/vl.c b/vl.c
index 2dce3ae..2a634a7 100644
--- a/vl.c
+++ b/vl.c
@@ -393,9 +393,12 @@  void runstate_init(void)
 /* This function will abort() on invalid state transitions */
 void runstate_set(RunState new_state)
 {
-    if (new_state >= RUN_STATE_MAX ||
-        !runstate_valid_transitions[current_run_state][new_state]) {
-        fprintf(stderr, "invalid runstate transition\n");
+    assert(new_state < RUN_STATE_MAX);
+
+    if (!runstate_valid_transitions[current_run_state][new_state]) {
+        fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
+                RunState_lookup[current_run_state],
+                RunState_lookup[new_state]);
         abort();
     }