ACE调试信息的输出

/**

00470    * Format a message to the thread-safe ACE logging mechanism.  Valid

00471    * options (prefixed by '%', as in printf format strings) include:

00472    *  - 'A': print an ACE_timer_t value (which could be either double

00473    *         or ACE_UINT32.)

00474    *  - 'a': abort the program at this point abruptly.

00475    *  - 'c': print a character

00476    *  - 'C': print a character string

00477    *  - 'i', 'd': print a decimal number

00478    *  - 'I': indent according to nesting depth (obtained from

00479    *         ACE_Trace::get_nesting_indent()).

00480    *  - 'e', 'E', 'f', 'F', 'g', 'G': print a double

00481    *  - 'l': print line number where an error occurred.

00482    *  - 'M': print the name of the priority of the message.

00483    *  - 'm': return the message corresponding to errno value, e.g., as

00484    *         done by strerror()

00485    *  - 'N': print file name where the error occurred.

00486    *  - 'n': print the name of the program (or "<unknown>" if not set)

00487    *  - 'o': print as an octal number

00488    *  - 'P': print out the current process id

00489    *  - 'p': print out the appropriate errno message from sys_errlist,

00490    *         e.g., as done by perror()

00491    *  - 'Q': print out the uint64 number

00492    *  - 'q': print out the int64 number

00493    *  - '@': print a void* pointer (in hexadecimal)

00494    *  - 'r': call the function pointed to by the corresponding argument

00495    *  - 'R': print return status

00496    *  - 'S': print out the appropriate _sys_siglist entry corresponding

00497    *         to var-argument.

00498    *  - 's': print out a character string

00499    *  - 'T': print timestamp in hour:minute:sec:usec format.

00500    *  - 'D': print timestamp in month/day/year hour:minute:sec:usec format.

00501    *  - 't': print thread id (1 if single-threaded)

00502    *  - 'u': print as unsigned int

00503    *  - 'w': prints a wide character

00504    *  - 'W': print a wide character string

00505    *  - 'x': print as a hex number

00506    *  - 'X': print as a hex number

00507    *  - 'z': print an ACE_OS::WChar character

00508    *  - 'Z': print an ACE_OS::WChar character string

00509    *  - '%': print out a single percent sign, '%'

00510    */

from: http://www.aoc.nrao.edu/php/tjuerges/ALMA/ACE-5.5.2/html/ace/Log__Msg_8h-source.html 
for example:

ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("process_xxxx '%s'/n"), ACE_TEXT("entering")));

ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("process_xxxx Find it  '%W'/n"), fd.cFileName));   // wide string