Better error messages for abrt-backtrace execution

2 files changed, 21 insertions, 5 deletions

diff --git a/lib/Plugins/CCpp.cpp b/lib/Plugins/CCpp.cpp
index 6c200d0..e0db9cf 100644
--- a/lib/Plugins/CCpp.cpp
+++ b/lib/Plugins/CCpp.cpp
@@ -621,13 +621,29 @@ string CAnalyzerCCpp::GetGlobalUUID(const char *pDebugDumpDir)
         {
             perror_msg("abrt-backtrace not executed properly, "
                                "status: %x signal: %d", status, WIFSIGNALED(status));
-        } else
+        } 
+        else
         {
             int exit_status = WEXITSTATUS(status);
-            if (exit_status != 0)
+            if (exit_status == 79) /* EX_PARSINGFAILED */
+            {
+                /* abrt-backtrace returns alternative backtrace 
+                   representation in this case, so everything will work 
+                   as expected except worse duplication detection */
+                log_msg("abrt-backtrace failed to parse the backtrace");
+            }
+            else if (exit_status == 80) /* EX_THREADDETECTIONFAILED */
+            {
+                /* abrt-backtrace returns backtrace with all threads 
+                   in this case, so everything will work as expected 
+                   except worse duplication detection */
+                log_msg("abrt-backtrace failed to determine crash frame");
+            }
+            else if (exit_status != 0)
             {
+                /* this is unexpected problem and it should be investigated */
                 error_msg("abrt-backtrace run failed, exit value: %d",
-                              exit_status);
+                          exit_status);
             }
         }
 
diff --git a/src/Backtrace/main.c b/src/Backtrace/main.c
index 7dfba43..5e69338 100644
--- a/src/Backtrace/main.c
+++ b/src/Backtrace/main.c
@@ -28,8 +28,8 @@
 /* Too large files are trimmed. */
 #define FILE_SIZE_LIMIT 20000000 /* ~ 20 MB */
 
-#define EX_PARSINGFAILED EX__MAX + 1
-#define EX_THREADDETECTIONFAILED EX__MAX + 2
+#define EX_PARSINGFAILED EX__MAX + 1  /* = 79 */
+#define EX_THREADDETECTIONFAILED EX__MAX + 2 /* = 80 */
 
 const char *argp_program_version = "abrt-backtrace " VERSION;
 const char *argp_program_bug_address = "<crash-catcher@lists.fedorahosted.org>";