bzr push into mysql-5.1-bugteam branch (jon.hauglid:3534 to 3535) Bug#57274

[Jon Olav Hauglid]

 3535 Jon Olav Hauglid	2010-10-19
      Bug #57274 SET GLOBAL debug crashes on Solaris in embedded server mode
                 (variables_debug fails)
      
      The problem was that "SET GLOBAL debug" could cause a crash on Solaris.
      The crash happened if the server failed to open the trace file given in 
      the "SET GLOBAL debug" statement. This caused an error message to be
      printed to stderr containing the process name. However, printing to
      stderr crashed the server since the pointer to the process name had
      not been initialized.
      
      This patch fixes the problem by initializing the process name 
      properly when doing "SET GLOBAL debug".
      
      No test case added as this bug was repeatable with existing test
      coverage in variables_debug.test.

    modified:
      dbug/dbug.c
 3534 Tor Didriksen	2010-10-19
      Bug#52172 post-push fix: init auto-variable to NULL

    modified:
      dbug/dbug.c
=== modified file 'dbug/dbug.c'
--- a/dbug/dbug.c	2010-10-19 07:06:48 +0000
+++ b/dbug/dbug.c	2010-10-19 08:19:57 +0000
@@ -744,6 +744,7 @@ void _db_set_init_(const char *control)
   CODE_STATE tmp_cs;
   bzero((uchar*) &tmp_cs, sizeof(tmp_cs));
   tmp_cs.stack= &init_settings;
+  tmp_cs.process= db_process ? db_process : "dbug";
   DbugParse(&tmp_cs, control);
 }
 

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