int run_main (int, ACE_TCHAR *[]) { ACE_START_TEST (ACE_TEXT ("Mem_Map_Test")); #if !defined (ACE_LACKS_MMAP) // = Initialize the temporary variable names ACE_TCHAR test_file[MAXPATHLEN + 1]; ACE_TCHAR temp_file1[MAXPATHLEN + 1]; ACE_TCHAR temp_file2[MAXPATHLEN + 1]; // Get the temporary directory // - 18 is for the filenames, ace_mem_map_temp_1 is the longest if (ACE::get_temp_dir (test_file, MAXPATHLEN - 18) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("Temporary path too long\n")), -1); // Copy the temp directory to the other variables ACE_OS::strcpy (temp_file1, test_file); ACE_OS::strcpy (temp_file2, test_file); // Add the filenames to the end ACE_OS::strcat (test_file, ACE_TEXT ("ace_mem_map_test")); ACE_OS::strcat (temp_file1, ACE_TEXT ("ace_mem_map_temp_1")); ACE_OS::strcat (temp_file2, ACE_TEXT ("ace_mem_map_temp_2")); // First create a test file to work on if (create_test_file (test_file, LINE_LENGTH, NUM_LINES) != 0) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("Create test file failed\n")), -1); ACE_Mem_Map mmap; // First memory map the test file if (mmap.map (test_file) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("%n: %p\n%a"), ACE_TEXT ("mmap")), -1); // Now create a temporary file for intermediate processing ACE_HANDLE temp_file_handle = ACE_OS::open (temp_file1, O_RDWR | O_TRUNC | O_CREAT, ACE_DEFAULT_FILE_PERMS); if (temp_file_handle == ACE_INVALID_HANDLE) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("Open failed\n")), -1); // Reverse the original file and write the output to the temporary // file. reverse_file (temp_file_handle, (char *) mmap.addr (), mmap.size ()); ACE_OS::close (temp_file_handle); ACE_Mem_Map temp_mmap; // Now memory map the temporary file if (temp_mmap.map (temp_file1) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("%n: %p\n%a"), ACE_TEXT ("mmap")), -1); if ((temp_file_handle = ACE_OS::open (temp_file2, O_RDWR | O_TRUNC | O_CREAT, ACE_DEFAULT_FILE_PERMS)) == ACE_INVALID_HANDLE) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("Open failed\n")), -1); // Now reverse the temporary file and write everything to the second // temporary file. reverse_file (temp_file_handle, (char *) temp_mmap.addr (), temp_mmap.size ()); ACE_OS::close (temp_file_handle); // Memory map the second temporary file ACE_Mem_Map temp_mmap2; if (temp_mmap2.map (temp_file2) == -1) ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("%n: %p\n%a"), ACE_TEXT ("mmap")), -1); // Now do a memcmp -- the orig file and the second temporary file // should be identical. ACE_ASSERT (ACE_OS::memcmp (temp_mmap2.addr (), mmap.addr (), mmap.size ()) == 0); // Delete the test file mmap.remove (); // Delete ACE_TEMP_TEST_FILE temp_mmap.remove (); // Delete ACE_TEMP_TEST_FILE_2 temp_mmap2.remove (); #else /* !ACE_LACKS_MMAP */ ACE_ERROR ((LM_INFO, ACE_TEXT ("mmap is not supported on this platform\n"))); #endif /* !ACE_LACKS_MMAP */ ACE_END_TEST; return 0; }