GH-51095: [CI][C++] Fix core file detection in run-test.sh

cpp/build-support/run-test.sh

@@ -139,23 +139,25 @@ function print_coredumps() {
  FILENAME=$(basename "${TEST_EXECUTABLE}")
  FILENAME=$(echo "${FILENAME}" | cut -c-15)
 
- COREFILES=$(find /tmp -maxdepth 1 -type f -name "core.${FILENAME}*" -exec basename {} \;)
- if [ -n "$COREFILES" ]; then
- for COREFILE in $COREFILES; do
- COREPATH="/tmp/${COREFILE}"
- echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
- echo "Running '${TEST_EXECUTABLE}' produced core dump at '${COREPATH}', printing backtrace:"
- # Print backtrace
- if [ "$(uname)" == "Darwin" ]; then
- lldb -c "${COREPATH}" --batch --one-line "thread backtrace all -e true"
- else
- gdb -c "${COREPATH}" "$TEST_EXECUTABLE" -ex "thread apply all bt" -ex "set pagination 0" -batch
- fi
- echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
- # Remove the coredump, it can be regenerated via running the test case directly
- rm "${COREPATH}"
- done
- fi
+ for COREPATH in "/tmp/core.${FILENAME}"*; do
+ # Skip if the glob did not match any core files or the core file has been removed by another process.
+ if [ ! -e "${COREPATH}" ]; then
+ continue
+ fi
+
+ echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+ echo "Running '${TEST_EXECUTABLE}' produced core dump at '${COREPATH}', printing backtrace:"
+ # Print backtrace
+ if [ "$(uname)" == "Darwin" ]; then
+ lldb -c "${COREPATH}" --batch --one-line "thread backtrace all -e true"
+ else
+ gdb -c "${COREPATH}" "$TEST_EXECUTABLE" -ex "thread apply all bt" -ex "set pagination 0" -batch
+ fi
+ echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+ # Remove the coredump, it can be regenerated via running the test case directly
+ rm "${COREPATH}"
+
+ done
 }
 
 function post_process_tests() {
@@ -200,7 +202,9 @@ if [ "$RUN_TYPE" = "test" ]; then
  post_process_tests
 fi
 
-print_coredumps
+if [ "$STATUS" -ne 0 ]; then
+ print_coredumps
+fi
 
 popd
 rm -Rf "$TEST_WORKDIR"