4840     jio_snprintf(buf, buflen, "dbx -a %d", os::current_process_id());
4841 
4842     os::fork_and_exec(buf);
4843     yes = false;
4844   }
4845   return yes;
4846 }
4847 
4848 static inline time_t get_mtime(const char* filename) {
4849   struct stat st;
4850   int ret = os::stat(filename, &st);
4851   assert(ret == 0, "failed to stat() file '%s': %s", filename, strerror(errno));
4852   return st.st_mtime;
4853 }
4854 
4855 int os::compare_file_modified_times(const char* file1, const char* file2) {
4856   time_t t1 = get_mtime(file1);
4857   time_t t2 = get_mtime(file2);
4858   return t1 - t2;
4859 }

4840     jio_snprintf(buf, buflen, "dbx -a %d", os::current_process_id());
4841 
4842     os::fork_and_exec(buf);
4843     yes = false;
4844   }
4845   return yes;
4846 }
4847 
4848 static inline time_t get_mtime(const char* filename) {
4849   struct stat st;
4850   int ret = os::stat(filename, &st);
4851   assert(ret == 0, "failed to stat() file '%s': %s", filename, strerror(errno));
4852   return st.st_mtime;
4853 }
4854 
4855 int os::compare_file_modified_times(const char* file1, const char* file2) {
4856   time_t t1 = get_mtime(file1);
4857   time_t t2 = get_mtime(file2);
4858   return t1 - t2;
4859 }
4860 
4861 int os::create_file_for_heap(const char* dir, size_t size) {
4862   VMError::report_and_die("Allocating object heap with backing file is not supported for AIX");
4863   return false;
4864 }
4865 
4866 bool os::map_memory_to_file(char* base, size_t size, int file_desc) {
4867   VMError::report_and_die("Allocating object heap with backing file is not supported for AIX");
4868   return false;
4869 }