1 files changed, 41 insertions, 0 deletions
diff --git a/examples/scripts/debugging/linux/backtrace b/examples/scripts/debugging/linux/backtrace
new file mode 100644
index 0000000..7d14ff8
--- /dev/null
+++ b/examples/scripts/debugging/linux/backtrace
@@ -0,0 +1,41 @@
+#! /bin/sh
+#
+# Author: Andrew Tridgell <tridge at samba dot org>
+
+# we want everything on stderr, so the program is not disturbed
+exec 1>&2
+
+BASENAME=$(basename $0)
+
+test -z ${GDB_BIN} && GDB_BIN=$(type -p gdb)
+if [ -z ${GDB_BIN} ]; then
+	echo "ERROR: ${BASENAME} needs an installed gdb. "
+	exit 1
+fi
+
+if [ -z $1 ]; then
+	echo "ERROR: ${BASENAME} needs a PID. "
+	exit 1
+fi
+PID=$1
+
+# use /dev/shm as default temp directory
+test -d /dev/shm &&
+	TMP_BASE_DIR=/dev/shm ||
+	TMP_BASE_DIR=/var/tmp
+TMPFILE=$(mktemp -p ${TMP_BASE_DIR} backtrace.XXXXXX)
+if [ $? -ne 0 ]; then
+	echo "ERROR: ${basename} can't create temp file in ${TMP_BASE_DIR}. "
+	exit 1
+fi
+
+cat <<EOF >"${TMPFILE}"
+set height 0
+up 8
+bt full
+quit
+EOF
+
+${GDB_BIN} -x "${TMPFILE}" "/proc/${PID}/exe" "${PID}"
+
+/bin/rm -f "${TMPFILE}"