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authorGerald Carter <jerry@samba.org>2004-04-16 17:49:11 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 10:51:16 -0500
commita329b70e1554a84773d2721b6a49aeac9048b6ff (patch)
treea728791add44411fb6b0043f430f3ad288fdb4e3 /examples/scripts
parent0374be5d931903f1040fd4e759e6b1d681be2047 (diff)
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r252: add backtrace to examples so people know about it (slight change from lars @suse)
(This used to be commit c9db3da255e3b349cae8596136ee624a0482f38b)
Diffstat (limited to 'examples/scripts')
-rw-r--r--examples/scripts/backtrace41
1 files changed, 41 insertions, 0 deletions
diff --git a/examples/scripts/backtrace b/examples/scripts/backtrace
new file mode 100644
index 0000000000..2ea6a4d00a
--- /dev/null
+++ b/examples/scripts/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}"