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/*
   FALCON - The Falcon Programming Language.
   FILE: sys_time.h

   Time related system service interface.
   -------------------------------------------------------------------
   Author: Giancarlo Niccolai
   Begin: lun mar 6 2006

   -------------------------------------------------------------------
   (C) Copyright 2004: the FALCON developers (see list in AUTHORS file)

   See LICENSE file for licensing details.
*/

#ifndef flc_sys_time_H
#define flc_sys_time_H

namespace Falcon {


class SystemTime {
};

typedef enum {
      tz_local = 0,
      tz_UTC = 1,
      tz_UTC_E_1 = 2,
      tz_UTC_E_2 = 3,
      tz_UTC_E_3 = 4,
      tz_UTC_E_4 = 5,
      tz_UTC_E_5 = 6,
      tz_UTC_E_6 = 7,
      tz_UTC_E_7 = 8,
      tz_UTC_E_8 = 9,
      tz_UTC_E_9 = 10,
      tz_UTC_E_10 = 11,
      tz_UTC_E_11 = 12,
      tz_UTC_E_12 = 13,
      tz_UTC_W_1 = 14,
      tz_UTC_W_2 = 15,
      tz_UTC_W_3 = 16,
      tz_UTC_W_4 = 17,
      tz_UTC_W_5 = 18,
      tz_UTC_W_6 = 19,
      tz_UTC_W_7 = 20,
      tz_UTC_W_8 = 21,
      tz_UTC_W_9 = 22,
      tz_UTC_W_10 = 23,
      tz_UTC_W_11 = 24,
      tz_UTC_W_12 = 25,
      tz_NFT = 26,
      tz_ACDT = 27,
      tz_ACST = 28,
      tz_HAT = 29,
      tz_NST = 30,
      tz_NONE = 31
   } TimeZone;

// forward decl
class TimeStamp;

namespace Sys {


namespace Time {

void FALCON_DYN_SYM currentTime( ::Falcon::TimeStamp &ts );

TimeZone FALCON_DYN_SYM getLocalTimeZone();

numeric FALCON_DYN_SYM seconds();
bool FALCON_DYN_SYM absoluteWait( const TimeStamp &ts );
bool FALCON_DYN_SYM relativeWait( const TimeStamp &ts );
bool FALCON_DYN_SYM nanoWait( int32 seconds, int32 nanoseconds );
void FALCON_DYN_SYM timestampFromSystemTime( const SystemTime &st, ::Falcon::TimeStamp &ts );

} // time
} // sys
} // falcon

#endif

/* end of sys_time.h */

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