2012-05-11 Stan Shebs <stan@codesourcery.com>

2012-05-11  Stan Shebs  <stan@codesourcery.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>

	* NEWS: Describe new info os commands.
	* common/linux-osdata.c (PID_T, TIME_T): Define.
	(MAX_PID_T_STRLEN): New.
	(linux_common_core_of_thread): Add comment.  Change to use PID_T and
	MAX_PID_T_STRLEN.
	(command_from_pid): Add comment.  Change to use PID_T.
	(commandline_from_pid):  Change to use PID_T.
	(user_from_pid): Add comment.
	(get_process_owner): Add comment. Change to use PID_T and
	MAX_PID_T_STRLEN.
	(get_number_of_cpu_cores): Add comment.
	(get_cores_used_by_process): Add comment.  Change to use PID_T and
	MAX_PID_T_STRLEN.
	(linux_xfer_osdata_processes): Change to use PID_T and
	MAX_PID_T_STRLEN.
	(compare_processes): New function.
	(linux_xfer_osdata_processgroups): New function.
	(linux_xfer_osdata_threads): Change to use PID_T.
	(linux_xfer_osdata_fds): New function.
	(format_socket_state, print_sockets): New functions.
	(union socket_addr): New union.
	(linux_xfer_osdata_isockets): New function.
	(time_from_time_t, group_from_gid): New functions.
	(linux_xfer_osdata_shm): New function.
	(linux_xfer_osdata_sem): New function.
	(linux_xfer_osdata_msg): New function.
	(linux_xfer_osdata_modules): New function.
	(osdata_table): Add new entries.
	* common/buffer.c (buffer_xml_printf): Add support for long and
	long long format specifiers.

	* gdb.texinfo (Operating System Auxiliary Information): Document new
	'info os' subcommands.

	* gdb.base/info-os.exp: New file.
	* gdb.base/info-os.c: New file.