SERVER-11613 Fix some brokenness in test logging

Changes:
* smoke.py captures both stdout and stderr of subprocesses
* Log buffering reduced (main log() function already was line-buffered).
* printStackAndExit writes to stdout rather than stdin.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/mongo/util/signal_handlers.cpp b/src/mongo/util/signal_handlers.cpp
index 3c54aa7badd..2aa0721bd0c 100644
--- a/src/mongo/util/signal_handlers.cpp
+++ b/src/mongo/util/signal_handlers.cpp
@@ -116,7 +116,7 @@ namespace mongo {
     }
 
     void printStackAndExit( int signalNum ) {
-        const int fd = 0;
+        const int fd = 1; // same as STDOUT_FILENO which doesn't exist on windows
 
         formattedWrite( fd , "Received signal %d\n" , signalNum );
         formattedWrite( fd , "Backtrace: " );