usr/src/lib/libast/common/features/tmx

   1 set     prototyped
   2 set     explicit
   3 iff     TMX
   4
   5 cat{
   6         /*
   7          * AT&T Research
   8          *
   9          * high resolution Time_t support
  10          */
  11
  12         #include <tm.h>
  13         #include <tv.h>
  14 }end
  15
  16 inc     FEATURE/common
  17
  18 if ( _ast_int8_t ) {
  19         #define TMX_MAXDATE     "2554-07-21+23:34:33.709551614 UTC"
  20         #define TMX_MAXYEAR     2554
  21         #define TMX_MAXSEC      ((Time_t)18446744073)
  22         #define TMX_MAXNSEC     709551614
  23         #define TMX_RESOLUTION  1000000000
  24
  25         typedef uint64_t Time_t;
  26         typedef uint64_t Tmxsec_t;
  27         typedef uint32_t Tmxnsec_t;
  28
  29         #define tmxsec(t)       ((Tmxsec_t)((t)/1000000000))
  30         #define tmxnsec(t)      ((Tmxnsec_t)((t)%1000000000))
  31         #define tmxsns(s,n)     (((((Time_t)(s))*1000000000))+((Time_t)(n)))
  32 }
  33 elif ( _ast_flt8_t ) {
  34         #define TMX_FLOAT       1
  35         #define TMX_MAXDATE     "2106-02-07+06:28:15.999 UTC"
  36         #define TMX_MAXYEAR     2106
  37         #define TMX_MAXSEC      0xffffffffL
  38         #define TMX_MAXNSEC     999000000L
  39         #define TMX_RESOLUTION  1000
  40
  41         typedef _ast_flt8_t Time_t;
  42         typedef uint32_t Tmxsec_t;
  43         typedef uint32_t Tmxnsec_t;
  44
  45         #define tmxsec(t)       ((Tmxsec_t)(t))
  46         #define tmxnsec(t)      (((Tmxnsec_t)(((t)-((uint32_t)(t))+0.0000005)*1000L))*1000000L)
  47         #define tmxsns(s,n)     (((Time_t)(s))+((((uint32_t)(n))/1000L)/1e6))
  48 }
  49 else {
  50         #define TMX_MAXDATE     "2106-02-07+06:28:14 UTC"
  51         #define TMX_MAXYEAR     2106
  52         #define TMX_MAXSEC      0xfffffffeL
  53         #define TMX_MAXNSEC     0L
  54         #define TMX_RESOLUTION  1
  55
  56         typedef uint32_t Time_t;
  57         typedef uint32_t Tmxsec_t;
  58         typedef uint32_t Tmxnsec_t;
  59
  60         #define tmxsec(t)       ((Tmxsec_t)(t))
  61         #define tmxnsec(t)      (0)
  62         #define tmxsns(s,n)     ((Time_t)(s))
  63 }
  64 endif
  65
  66 cat{
  67         #define TMX_NOTIME      ((Time_t)(-1))
  68         #define TMX_NOW         tmxgettime()
  69         #define TMX_MAXTIME     tmxsns(TMX_MAXSEC,TMX_MAXNSEC)
  70
  71         #define tmx2tv(t,v)     ((v)->tv_nsec=tmxnsec(t),(v)->tv_sec=tmxsec(t))
  72         #define tv2tmx(v)       tmxsns((v)->tv_sec,(v)->tv_nsec)
  73
  74         #define tmxclock(p)     tmxsns(((p)?*(p):time(NiL)),0)
  75
  76         #define tmxgetatime(s)  tmxsns((s)->st_atime,ST_ATIME_NSEC_GET(s))
  77         #define tmxgetctime(s)  tmxsns((s)->st_ctime,ST_CTIME_NSEC_GET(s))
  78         #define tmxgetmtime(s)  tmxsns((s)->st_mtime,ST_MTIME_NSEC_GET(s))
  79
  80         #define tmxsetatime(s,t) ((s)->st_atime=tmxsec(t),ST_ATIME_NSEC_SET(s,tmxnsec(t)))
  81         #define tmxsetctime(s,t) ((s)->st_ctime=tmxsec(t),ST_CTIME_NSEC_SET(s,tmxnsec(t)))
  82         #define tmxsetmtime(s,t) ((s)->st_mtime=tmxsec(t),ST_MTIME_NSEC_SET(s,tmxnsec(t)))
  83
  84         #if _BLD_ast && defined(__EXPORT__)
  85         #define extern          __EXPORT__
  86         #endif
  87
  88         extern Time_t           tmxdate(const char*, char**, Time_t);
  89         extern Time_t           tmxduration(const char*, char**);
  90         extern char*            tmxfmt(char*, size_t, const char*, Time_t);
  91         extern Time_t           tmxleap(Time_t);
  92         extern Tm_t*            tmxmake(Time_t);
  93         extern Time_t           tmxscan(const char*, char**, const char*, char**, Time_t, long);
  94         extern int              tmxsleep(Time_t);
  95         extern Time_t           tmxtime(Tm_t*, int);
  96         extern Tm_t*            tmxtm(Tm_t*, Time_t, Tm_zone_t*);
  97
  98         extern Time_t           tmxgettime(void);
  99         extern int              tmxsettime(Time_t);
 100
 101         extern int              tmxtouch(const char*, Time_t, Time_t, Time_t, int);
 102
 103         extern char*            fmttmx(const char*, Time_t);
 104
 105         #undef  extern
 106 }end