- string pathname = search_for_file(filename);
- if (filename.empty()) {
- fprintf(stderr, "%s not found, sleeping one second and trying again...\n", filename.c_str());
+ string filename_copy;
+ {
+ lock_guard<mutex> lock(filename_mu);
+ filename_copy = filename;
+ }
+
+ string pathname = search_for_file(filename_copy);
+ if (pathname.empty()) {
+ fprintf(stderr, "%s not found, sleeping one second and trying again...\n", filename_copy.c_str());