[26960] in CVS-changelog-for-Kerberos-V5

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krb5 commit: Do not emit debug printfs under NODEBUG

daemon@ATHENA.MIT.EDU (Benjamin Kaduk)
Wed Aug 29 16:35:38 2012

Date: Wed, 29 Aug 2012 16:35:05 -0400
From: Benjamin Kaduk <kaduk@mit.edu>
Message-Id: <201208292035.q7TKZ5ir000837@drugstore.mit.edu>
To: cvs-krb5@mit.edu
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https://github.com/krb5/krb5/commit/932866ad41edf830123bdfef927f1314f3100be9
commit 932866ad41edf830123bdfef927f1314f3100be9
Author: Ben Kaduk <kaduk@mit.edu>
Date:   Thu Aug 23 12:38:57 2012 -0400

    Do not emit debug printfs under NODEBUG
    
    These printfs spew to the console when command-line utilities
    such as 'klist' and 'aklog' are run, reducing usability.
    
    These printfs can also cause application hangs.
    On a multiprocessor machine, when PuTTY and the ccapiserver are
    running on different CPUs, PuTTY appears to deadlock with three
    concurrent threads inside cci_debug_printf().
    
    ticket: 7342 (new)
    target_version: 1.10.4
    tags: pullup

 src/ccapi/common/win/cci_os_debugging.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/ccapi/common/win/cci_os_debugging.c b/src/ccapi/common/win/cci_os_debugging.c
index de31c7c..597ac85 100644
--- a/src/ccapi/common/win/cci_os_debugging.c
+++ b/src/ccapi/common/win/cci_os_debugging.c
@@ -32,7 +32,9 @@
 /* ------------------------------------------------------------------------ */
 
 void cci_os_debug_vprintf (const char *in_format, va_list in_args) {
+#ifdef DEBUG
     printf  ( "%s %ld ", timestamp(), GetCurrentThreadId() );
     vprintf ( in_format, in_args );
     printf  ( "\n" );
+#endif
     }
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