#else
#include <sys/time.h>
#endif
+#ifdef HAS_SELECT
+# ifdef I_SYS_SELECT
+# include <sys/select.h>
+# endif
+#endif
#ifdef __cplusplus
}
#endif
}
*/
+typedef union {
+ unsigned __int64 ft_i64;
+ FILETIME ft_val;
+} FT_t;
+
+/* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
+#ifdef __GNUC__
+#define Const64(x) x##LL
+#else
+#define Const64(x) x##i64
+#endif
+#define EPOCH_BIAS Const64(116444736000000000)
+
+/* NOTE: This does not compute the timezone info (doing so can be expensive,
+ * and appears to be unsupported even by glibc) */
int
-gettimeofday (struct timeval *tp, int nothing)
+gettimeofday (struct timeval *tp, void *not_used)
{
- SYSTEMTIME st;
- time_t tt;
- struct tm tmtm;
- /* mktime converts local to UTC */
- GetLocalTime (&st);
- tmtm.tm_sec = st.wSecond;
- tmtm.tm_min = st.wMinute;
- tmtm.tm_hour = st.wHour;
- tmtm.tm_mday = st.wDay;
- tmtm.tm_mon = st.wMonth - 1;
- tmtm.tm_year = st.wYear - 1900;
- tmtm.tm_isdst = -1;
- tt = mktime (&tmtm);
- tp->tv_sec = tt;
- tp->tv_usec = st.wMilliseconds * 1000;
- return 0;
+ FT_t ft;
+
+ /* this returns time in 100-nanosecond units (i.e. tens of usecs) */
+ GetSystemTimeAsFileTime(&ft.ft_val);
+
+ /* seconds since epoch */
+ tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000));
+
+ /* microseconds remaining */
+ tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000));
+
+ return 0;
}
#endif
#if !defined(HAS_GETTIMEOFDAY) && defined(VMS)
#define HAS_GETTIMEOFDAY
+#include <lnmdef.h>
#include <time.h> /* gettimeofday */
#include <stdlib.h> /* qdiv */
#include <starlet.h> /* sys$gettim */
static __int64 base_adjust=0;
#endif
+/*
+
+ If we don't have gettimeofday, then likely we are on a VMS machine that
+ operates on local time rather than UTC...so we have to zone-adjust.
+ This code gleefully swiped from VMS.C
+
+*/
+/* method used to handle UTC conversions:
+ * 1 == CRTL gmtime(); 2 == SYS$TIMEZONE_DIFFERENTIAL; 3 == no correction
+ */
+static int gmtime_emulation_type;
+/* number of secs to add to UTC POSIX-style time to get local time */
+static long int utc_offset_secs;
+static struct dsc$descriptor_s fildevdsc =
+ { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "LNM$FILE_DEV" };
+static struct dsc$descriptor_s *fildev[] = { &fildevdsc, NULL };
+
+static time_t toutc_dst(time_t loc) {
+ struct tm *rsltmp;
+
+ if ((rsltmp = localtime(&loc)) == NULL) return -1;
+ loc -= utc_offset_secs;
+ if (rsltmp->tm_isdst) loc -= 3600;
+ return loc;
+}
+
+static time_t toloc_dst(time_t utc) {
+ struct tm *rsltmp;
+
+ utc += utc_offset_secs;
+ if ((rsltmp = localtime(&utc)) == NULL) return -1;
+ if (rsltmp->tm_isdst) utc += 3600;
+ return utc;
+}
+
+#define _toutc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \
+ ((gmtime_emulation_type || timezone_setup()), \
+ (gmtime_emulation_type == 1 ? toutc_dst(secs) : \
+ ((secs) - utc_offset_secs))))
+
+#define _toloc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \
+ ((gmtime_emulation_type || timezone_setup()), \
+ (gmtime_emulation_type == 1 ? toloc_dst(secs) : \
+ ((secs) + utc_offset_secs))))
+
+static int
+timezone_setup(void)
+{
+ struct tm *tm_p;
+
+ if (gmtime_emulation_type == 0) {
+ int dstnow;
+ time_t base = 15 * 86400; /* 15jan71; to avoid month/year ends between */
+ /* results of calls to gmtime() and localtime() */
+ /* for same &base */
+
+ gmtime_emulation_type++;
+ if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */
+ char off[LNM$C_NAMLENGTH+1];;
+
+ gmtime_emulation_type++;
+ if (!Perl_vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) {
+ gmtime_emulation_type++;
+ utc_offset_secs = 0;
+ Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC");
+ }
+ else { utc_offset_secs = atol(off); }
+ }
+ else { /* We've got a working gmtime() */
+ struct tm gmt, local;
+
+ gmt = *tm_p;
+ tm_p = localtime(&base);
+ local = *tm_p;
+ utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400;
+ utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600;
+ utc_offset_secs += (local.tm_min - gmt.tm_min) * 60;
+ utc_offset_secs += (local.tm_sec - gmt.tm_sec);
+ }
+ }
+ return 1;
+}
+
+
int
gettimeofday (struct timeval *tp, void *tpz)
{
tp->tv_sec = ret;
return -1;
}
+# ifdef VMSISH_TIME
+# ifdef RTL_USES_UTC
+ if (VMSISH_TIME) tp->tv_sec = _toloc(tp->tv_sec);
+# else
+ if (!VMSISH_TIME) tp->tv_sec = _toutc(tp->tv_sec);
+# endif
+# endif
return 0;
}
#endif
}
#endif
+#if !defined(HAS_UALARM) && defined(VMS)
+#define HAS_UALARM
+#define ualarm vms_ualarm
+
+#include <lib$routines.h>
+#include <ssdef.h>
+#include <starlet.h>
+#include <descrip.h>
+#include <signal.h>
+#include <jpidef.h>
+#include <psldef.h>
+
+#define VMSERR(s) (!((s)&1))
+
+static void
+us_to_VMS(useconds_t mseconds, unsigned long v[])
+{
+ int iss;
+ unsigned long qq[2];
+
+ qq[0] = mseconds;
+ qq[1] = 0;
+ v[0] = v[1] = 0;
+
+ iss = lib$addx(qq,qq,qq);
+ if (VMSERR(iss)) lib$signal(iss);
+ iss = lib$subx(v,qq,v);
+ if (VMSERR(iss)) lib$signal(iss);
+ iss = lib$addx(qq,qq,qq);
+ if (VMSERR(iss)) lib$signal(iss);
+ iss = lib$subx(v,qq,v);
+ if (VMSERR(iss)) lib$signal(iss);
+ iss = lib$subx(v,qq,v);
+ if (VMSERR(iss)) lib$signal(iss);
+}
+
+static int
+VMS_to_us(unsigned long v[])
+{
+ int iss;
+ unsigned long div=10,quot, rem;
+
+ iss = lib$ediv(&div,v,",&rem);
+ if (VMSERR(iss)) lib$signal(iss);
+
+ return quot;
+}
+
+typedef unsigned short word;
+typedef struct _ualarm {
+ int function;
+ int repeat;
+ unsigned long delay[2];
+ unsigned long interval[2];
+ unsigned long remain[2];
+} Alarm;
+
+
+static int alarm_ef;
+static Alarm *a0, alarm_base;
+#define UAL_NULL 0
+#define UAL_SET 1
+#define UAL_CLEAR 2
+#define UAL_ACTIVE 4
+static void ualarm_AST(Alarm *a);
+
+static int
+vms_ualarm(int mseconds, int interval)
+{
+ Alarm *a, abase;
+ struct item_list3 {
+ word length;
+ word code;
+ void *bufaddr;
+ void *retlenaddr;
+ } ;
+ static struct item_list3 itmlst[2];
+ static int first = 1;
+ unsigned long asten;
+ int iss, enabled;
+
+ if (first) {
+ first = 0;
+ itmlst[0].code = JPI$_ASTEN;
+ itmlst[0].length = sizeof(asten);
+ itmlst[0].retlenaddr = NULL;
+ itmlst[1].code = 0;
+ itmlst[1].length = 0;
+ itmlst[1].bufaddr = NULL;
+ itmlst[1].retlenaddr = NULL;
+
+ iss = lib$get_ef(&alarm_ef);
+ if (VMSERR(iss)) lib$signal(iss);
+
+ a0 = &alarm_base;
+ a0->function = UAL_NULL;
+ }
+ itmlst[0].bufaddr = &asten;
+
+ iss = sys$getjpiw(0,0,0,itmlst,0,0,0);
+ if (VMSERR(iss)) lib$signal(iss);
+ if (!(asten&0x08)) return -1;
+
+ a = &abase;
+ if (mseconds) {
+ a->function = UAL_SET;
+ } else {
+ a->function = UAL_CLEAR;
+ }
+
+ us_to_VMS(mseconds, a->delay);
+ if (interval) {
+ us_to_VMS(interval, a->interval);
+ a->repeat = 1;
+ } else
+ a->repeat = 0;
+
+ iss = sys$clref(alarm_ef);
+ if (VMSERR(iss)) lib$signal(iss);
+
+ iss = sys$dclast(ualarm_AST,a,0);
+ if (VMSERR(iss)) lib$signal(iss);
+
+ iss = sys$waitfr(alarm_ef);
+ if (VMSERR(iss)) lib$signal(iss);
+
+ if (a->function == UAL_ACTIVE)
+ return VMS_to_us(a->remain);
+ else
+ return 0;
+}
+
+
+
+static void
+ualarm_AST(Alarm *a)
+{
+ int iss;
+ unsigned long now[2];
+
+ iss = sys$gettim(now);
+ if (VMSERR(iss)) lib$signal(iss);
+
+ if (a->function == UAL_SET || a->function == UAL_CLEAR) {
+ if (a0->function == UAL_ACTIVE) {
+ iss = sys$cantim(a0,PSL$C_USER);
+ if (VMSERR(iss)) lib$signal(iss);
+
+ iss = lib$subx(a0->remain, now, a->remain);
+ if (VMSERR(iss)) lib$signal(iss);
+
+ if (a->remain[1] & 0x80000000)
+ a->remain[0] = a->remain[1] = 0;
+ }
+
+ if (a->function == UAL_SET) {
+ a->function = a0->function;
+ a0->function = UAL_ACTIVE;
+ a0->repeat = a->repeat;
+ if (a0->repeat) {
+ a0->interval[0] = a->interval[0];
+ a0->interval[1] = a->interval[1];
+ }
+ a0->delay[0] = a->delay[0];
+ a0->delay[1] = a->delay[1];
+
+ iss = lib$subx(now, a0->delay, a0->remain);
+ if (VMSERR(iss)) lib$signal(iss);
+
+ iss = sys$setimr(0,a0->delay,ualarm_AST,a0);
+ if (VMSERR(iss)) lib$signal(iss);
+ } else {
+ a->function = a0->function;
+ a0->function = UAL_NULL;
+ }
+ iss = sys$setef(alarm_ef);
+ if (VMSERR(iss)) lib$signal(iss);
+ } else if (a->function == UAL_ACTIVE) {
+ if (a->repeat) {
+ iss = lib$subx(now, a->interval, a->remain);
+ if (VMSERR(iss)) lib$signal(iss);
+
+ iss = sys$setimr(0,a->interval,ualarm_AST,a);
+ if (VMSERR(iss)) lib$signal(iss);
+ } else {
+ a->function = UAL_NULL;
+ }
+ iss = sys$wake(0,0);
+ if (VMSERR(iss)) lib$signal(iss);
+ lib$signal(SS$_ASTFLT);
+ } else {
+ lib$signal(SS$_BADPARAM);
+ }
+}
+
+#endif /* !HAS_UALARM && VMS */
+
+
+
#ifdef HAS_GETTIMEOFDAY
static int
#ifdef HAS_GETTIMEOFDAY
{
UV auv[2];
- hv_store(PL_modglobal, "Time::NVtime", 12, newSViv((IV) myNVtime()), 0);
+ hv_store(PL_modglobal, "Time::NVtime", 12, newSViv(PTR2IV(myNVtime)), 0);
if (myU2time(auv) == 0)
hv_store(PL_modglobal, "Time::U2time", 12, newSViv((IV) auv[0]), 0);
}
char * name
int arg
-#ifdef HAS_USLEEP
+#if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY)
-void
+NV
usleep(useconds)
- int useconds
+ NV useconds
+ PREINIT:
+ struct timeval Ta, Tb;
+ CODE:
+ gettimeofday(&Ta, NULL);
+ if (items > 0) {
+ if (useconds > 1E6) {
+ IV seconds = (IV) (useconds / 1E6);
+ /* If usleep() has been implemented using setitimer()
+ * then this contortion is unnecessary-- but usleep()
+ * may be implemented in some other way, so let's contort. */
+ if (seconds) {
+ sleep(seconds);
+ useconds -= 1E6 * seconds;
+ }
+ } else if (useconds < 0.0)
+ croak("Time::HiRes::usleep(%"NVgf"): negative time not invented yet", useconds);
+ usleep((UV)useconds);
+ } else
+ PerlProc_pause();
+ gettimeofday(&Tb, NULL);
+#if 0
+ printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec);
+#endif
+ RETVAL = 1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec);
-void
-sleep(fseconds)
- NV fseconds
+ OUTPUT:
+ RETVAL
+
+NV
+sleep(...)
+ PREINIT:
+ struct timeval Ta, Tb;
CODE:
- int useconds = fseconds * 1000000;
- usleep (useconds);
+ gettimeofday(&Ta, NULL);
+ if (items > 0) {
+ NV seconds = SvNV(ST(0));
+ if (seconds >= 0.0) {
+ UV useconds = (UV)(1E6 * (seconds - (UV)seconds));
+ if (seconds >= 1.0)
+ sleep((UV)seconds);
+ usleep(useconds);
+ } else
+ croak("Time::HiRes::sleep(%"NVgf"): negative time not invented yet", seconds);
+ } else
+ PerlProc_pause();
+ gettimeofday(&Tb, NULL);
+#if 0
+ printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec);
+#endif
+ RETVAL = (NV)(Tb.tv_sec-Ta.tv_sec)+0.000001*(NV)(Tb.tv_usec-Ta.tv_usec);
+
+ OUTPUT:
+ RETVAL
#endif
ualarm(useconds,interval=0)
int useconds
int interval
+ CODE:
+ if (useconds < 0 || interval < 0)
+ croak("Time::HiRes::ualarm(%d, %d): negative time not invented yet", useconds, interval);
+ RETVAL = ualarm(useconds, interval);
-int
-alarm(fseconds,finterval=0)
- NV fseconds
- NV finterval
- PREINIT:
- int useconds, uinterval;
+ OUTPUT:
+ RETVAL
+
+NV
+alarm(seconds,interval=0)
+ NV seconds
+ NV interval
CODE:
- useconds = fseconds * 1000000;
- uinterval = finterval * 1000000;
- RETVAL = ualarm (useconds, uinterval);
+ if (seconds < 0.0 || interval < 0.0)
+ croak("Time::HiRes::alarm(%"NVgf", %"NVgf"): negative time not invented yet", seconds, interval);
+ RETVAL = (NV)ualarm(seconds * 1000000,
+ interval * 1000000) / 1E6;
OUTPUT:
RETVAL
#endif
#ifdef HAS_GETTIMEOFDAY
+# ifdef MACOS_TRADITIONAL /* fix epoch TZ and use unsigned time_t */
+void
+gettimeofday()
+ PREINIT:
+ struct timeval Tp;
+ struct timezone Tz;
+ PPCODE:
+ int status;
+ status = gettimeofday (&Tp, &Tz);
+ Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */
+
+ if (GIMME == G_ARRAY) {
+ EXTEND(sp, 2);
+ /* Mac OS (Classic) has unsigned time_t */
+ PUSHs(sv_2mortal(newSVuv(Tp.tv_sec)));
+ PUSHs(sv_2mortal(newSViv(Tp.tv_usec)));
+ } else {
+ EXTEND(sp, 1);
+ PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / 1000000.0))));
+ }
+
+NV
+time()
+ PREINIT:
+ struct timeval Tp;
+ struct timezone Tz;
+ CODE:
+ int status;
+ status = gettimeofday (&Tp, &Tz);
+ Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */
+ RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.0);
+ OUTPUT:
+ RETVAL
+# else /* MACOS_TRADITIONAL */
void
gettimeofday()
PREINIT:
OUTPUT:
RETVAL
+# endif /* MACOS_TRADITIONAL */
#endif
#if defined(HAS_GETITIMER) && defined(HAS_SETITIMER)
struct itimerval newit;
struct itimerval oldit;
PPCODE:
+ if (seconds < 0.0 || interval < 0.0)
+ croak("Time::HiRes::setitimer(%"IVdf", %"NVgf", %"NVgf"): negative time not invented yet", which, seconds, interval);
newit.it_value.tv_sec = seconds;
newit.it_value.tv_usec =
(seconds - (NV)newit.it_value.tv_sec) * 1000000.0;
projects / p5sagit/p5-mst-13.2.git / blobdiff