X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=usttrace;h=4f6f1f26bf9241d67f8c0f8647e9be05ad03887c;hb=87d40fcfac1d133efc27f9bd32a7509f586f358a;hp=15336f638d91ab7133842d149456667b3033d162;hpb=0f3af9f075344751c71324bbbe66fdeb8a5f0a6f;p=ust.git diff --git a/usttrace b/usttrace index 15336f6..4f6f1f2 100755 --- a/usttrace +++ b/usttrace @@ -7,6 +7,22 @@ function error() { echo "$0: error: $1" 2>/dev/stderr } +function sighandler() { + echo "Caught Ctrl-C" + if [ -z "$USTDPID" ]; then + USTDPID="$(<$pidfilepath)" + fi + # Tell the daemon to die + kill -SIGTERM "$USTDPID" + + echo "Waiting for ustd to shutdown..." + wait "$USTDPID" + + rm "$pidfilepath" + + exit 0; +} + USTTRACE_DIR="$(dirname $0)" if [ -x "${USTTRACE_DIR}/ustd/ustd" ] ; then # Use the not installed libraries instead @@ -23,7 +39,7 @@ else fi LIBINTERFORK_PATH="libinterfork.so" LIBMALLOCWRAP_PATH="libmallocwrap.so" - LIBUST_PATH="libust.so" + LIBUST_PATH="libust.so.0" fi BASE_TRACE_DIR="${HOME}/.usttraces" @@ -78,15 +94,16 @@ DATESTRING="$(hostname)-$(date +%Y%m%d%H%M%S)" OUTDIR="$BASE_TRACE_DIR/$DATESTRING" mkdir -p "$OUTDIR" -# Choose socket path -SOCKPATH="/tmp/ust-sock-$$" +# Choose ustd socket path +USTDSOCKPATH="/tmp/ustd-sock-$$" if [ "$arg_syswide_daemon" != "1" ]; then pidfilepath="/tmp/usttrace-$USER-$(date +%Y%m%d%H%M%S%N)-ustd-pid" + trap "sighandler $pidfilepath" SIGINT mkfifo -m 0600 "$pidfilepath" # Start daemon - $USTD --pidfile "$pidfilepath" -s "$SOCKPATH" -o "$OUTDIR" >"$OUTDIR/ustd.log" 2>&1 & + $USTD --pidfile "$pidfilepath" -s "$USTDSOCKPATH" -o "$OUTDIR" >"$OUTDIR/ustd.log" 2>&1 & # ustd sets up its server socket # ustd opens the pidfile, blocks because no one has opened it # we open pidfile @@ -95,7 +112,7 @@ then # ustd closes pidfile # we unblock reading pidfile USTDPID="$(<$pidfilepath)" - export UST_DAEMON_SOCKET="$SOCKPATH" + export UST_DAEMON_SOCKET="$USTDSOCKPATH" fi # Establish the environment for the command