[tor-commits] [torflow/master] fix regarding #3701

[mikeperry@xxxxxxxxxxxxxx]

commit 37668610f78ac5b29ae399fac24ba70e2a2a643c
Author: aagbsn <aagbsn@xxxxxxxx>
Date:   Mon Aug 15 13:42:14 2011 -0700

    fix regarding #3701
    
    https://trac.torproject.org/projects/tor/ticket/3701
    bwauthority.py will no longer exit if the child dies
    with SIGTERM
    
    also modified run_scan.sh to kill -9
---
 NetworkScanners/BwAuthority/bwauthority.py |   12 ++++++++++--
 NetworkScanners/BwAuthority/run_scan.sh    |    2 +-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/NetworkScanners/BwAuthority/bwauthority.py b/NetworkScanners/BwAuthority/bwauthority.py
index 9125044..3e626db 100755
--- a/NetworkScanners/BwAuthority/bwauthority.py
+++ b/NetworkScanners/BwAuthority/bwauthority.py
@@ -28,8 +28,16 @@ def main(argv):
       plog('WARN', 'Child process recieved SIGKILL, exiting')
       exit()
     elif (abs(p.returncode) == SIGTERM):
-      plog('WARN', 'Child process recieved SIGTERM, exiting')
-      exit()
+      #XXX
+      # see: https://trac.torproject.org/projects/tor/ticket/3701
+      # if uncaught exceptions are raised in user-written handlers, TorCtl
+      # will kill the bwauthority_child process using os.kill() because sys.exit()
+      # only exits the thread in which the exception is caught.
+      # quote mikeperry: "we want this thing not do die. that is priority one"
+      # therefore: we restart the child process and hope for the best :-)
+      plog('WARN', 'Child process recieved SIGTERM')
+      #exit()
+
     else:
       plog('WARN', 'Child process returned %s' % p.returncode)
 
diff --git a/NetworkScanners/BwAuthority/run_scan.sh b/NetworkScanners/BwAuthority/run_scan.sh
index 77a7a9a..b3e1355 100755
--- a/NetworkScanners/BwAuthority/run_scan.sh
+++ b/NetworkScanners/BwAuthority/run_scan.sh
@@ -12,7 +12,7 @@ for n in `seq $SCANNER_COUNT`; do
     PIDFILE=./data/scanner.${n}/bwauthority.pid
     if [ -f $PIDFILE ]; then
     echo "Killing off scanner $n."
-    kill `head -1 $PIDFILE` && rm $PIDFILE
+    kill -9 `head -1 $PIDFILE` && rm $PIDFILE
     fi
 done
 

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