adb_gdb allows ctrl-c for interrupting the debuggee

build/android/adb_gdb

 #!/bin/bash
 #
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 
 # A generic script used to attach to a running Chromium process and
 # debug it. Most users should not use this directly, but one of the
 # wrapper scripts like adb_gdb_content_shell
@@ skipping 965 matching lines @@
 # Start gdbserver in the background
 # Note that using run-as requires the package to be debuggable.
 #
 # If not, this will fail horribly. The alternative is to run the
 # program as root, which requires of course root privileges.
 # Maybe we should add a --root option to enable this?
 #
 log "Starting gdbserver in the background:"
 GDBSERVER_LOG=$TMPDIR/gdbserver-$TMP_ID.log
 log "adb shell $COMMAND_PREFIX $TARGET_GDBSERVER :$TARGET_PORT \
---attach $PID $COMMAND_SUFFIX"
-("$ADB" shell $COMMAND_PREFIX $TARGET_GDBSERVER :$TARGET_PORT \
- --attach $PID $COMMAND_SUFFIX > $GDBSERVER_LOG 2>&1) &
+  --attach $PID $COMMAND_SUFFIX"
+"$ADB" shell $COMMAND_PREFIX $TARGET_GDBSERVER :$TARGET_PORT \
+  --attach $PID $COMMAND_SUFFIX > $GDBSERVER_LOG 2>&1 &
 GDBSERVER_PID=$!
 echo "$GDBSERVER_PID" > $GDBSERVER_PIDFILE
 log "background job pid: $GDBSERVER_PID"
 
 # Check that it is still running after a few seconds. If not, this means we
 # could not properly attach to it
 sleep 2
 log "Job control: $(jobs -l)"
 STATE=$(jobs -l | awk '$2 == "'$GDBSERVER_PID'" { print $3; }')
 if [ "$STATE" != "Running" ]; then
@@ skipping 42 matching lines @@
 
 if [ "$VERBOSE" -gt 0 ]; then
   echo "### START $COMMANDS"
   cat $COMMANDS
   echo "### END $COMMANDS"
 fi
 
 log "Launching gdb client: $GDB $GDB_ARGS -x $COMMANDS"
 $GDB $GDB_ARGS -x $COMMANDS &&
 rm -f "$GDBSERVER_PIDFILE"