+/*
+ *
+ * Copyright (c) 1996-2002 Douglas E. Wegscheid. All rights reserved.
+ *
+ * Copyright (c) 2002,2003,2004,2005 Jarkko Hietaniemi. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the same terms as Perl itself.
+ */
+
#ifdef __cplusplus
extern "C" {
#endif
# include <sys/select.h>
# endif
#endif
+#if defined(TIME_HIRES_CLOCK_GETTIME_SYSCALL) || defined(TIME_HIRES_CLOCK_GETRES_SYSCALL)
+#include <syscall.h>
+#endif
#ifdef __cplusplus
}
#endif
+#define IV_1E6 1000000L
+#define IV_1E7 10000000L
+#define IV_1E9 1000000000L
+#define NV_1E6 1000000.0
+#define NV_1E7 10000000.0
+#define NV_1E9 1000000000.0
+
#ifndef PerlProc_pause
# define PerlProc_pause() Pause()
#endif
# endif
#endif
-#include "const-c.inc"
+#if defined(TIME_HIRES_CLOCK_GETTIME) && defined(_STRUCT_ITIMERSPEC)
+
+/* HP-UX has CLOCK_XXX values but as enums, not as defines.
+ * The only way to detect these would be to test compile for each. */
+# ifdef __hpux
+# define CLOCK_REALTIME CLOCK_REALTIME
+# define CLOCK_VIRTUAL CLOCK_VIRTUAL
+# define CLOCK_PROFILE CLOCK_PROFILE
+# endif /* # ifdef __hpux */
+
+#endif /* #if defined(TIME_HIRES_CLOCK_GETTIME) && defined(_STRUCT_ITIMERSPEC) */
#if defined(WIN32) || defined(CYGWIN_WITH_W32API)
QueryPerformanceCounter((LARGE_INTEGER*)&ticks);
ticks -= MY_CXT.base_ticks;
ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64
- + Const64(10000000) * (ticks / MY_CXT.tick_frequency)
- +(Const64(10000000) * (ticks % MY_CXT.tick_frequency)) / MY_CXT.tick_frequency;
+ + Const64(IV_1E7) * (ticks / MY_CXT.tick_frequency)
+ +(Const64(IV_1E7) * (ticks % MY_CXT.tick_frequency)) / MY_CXT.tick_frequency;
diff = ft.ft_i64 - MY_CXT.base_systime_as_filetime.ft_i64;
if (diff < -MAX_PERF_COUNTER_SKEW || diff > MAX_PERF_COUNTER_SKEW) {
MY_CXT.base_ticks += ticks;
}
/* seconds since epoch */
- tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000));
+ tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(IV_1E7));
/* microseconds remaining */
- tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000));
+ tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(IV_1E6));
return 0;
}
/* Do not use H A S _ N A N O S L E E P
- * so that Perl Configure doesn't scan for it.
+ * so that Perl Configure doesn't scan for it (and pull in -lrt and
+ * the like which are not usually good ideas for the default Perl).
+ * (We are part of the core perl now.)
* The TIME_HIRES_NANOSLEEP is set by Makefile.PL. */
#if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP)
#define HAS_USLEEP
-#define usleep hrt_unanosleep /* could conflict with ncurses for static build */
+#define usleep hrt_nanosleep /* could conflict with ncurses for static build */
void
-hrt_unanosleep(unsigned long usec) /* This is used to emulate usleep. */
+hrt_nanosleep(unsigned long usec) /* This is used to emulate usleep. */
{
struct timespec res;
- res.tv_sec = usec/1000/1000;
- res.tv_nsec = ( usec - res.tv_sec*1000*1000 ) * 1000;
+ res.tv_sec = usec / IV_1E6;
+ res.tv_nsec = ( usec - res.tv_sec * IV_1E6 ) * 1000;
nanosleep(&res, NULL);
}
}
#endif /* #if !defined(HAS_USLEEP) && defined(WIN32) */
+#if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP)
+#define HAS_USLEEP
+#define usleep hrt_usleep /* could conflict with ncurses for static build */
+
+void
+hrt_usleep(unsigned long usec)
+{
+ struct timespec ts1;
+ ts1.tv_sec = usec * 1000; /* Ignoring wraparound. */
+ ts1.tv_nsec = 0;
+ nanosleep(&ts1, NULL);
+}
+
+#endif /* #if !defined(HAS_USLEEP) && defined(TIME_HIRES_NANOSLEEP) */
+
+#if !defined(HAS_USLEEP) && defined(HAS_POLL)
+#define HAS_USLEEP
+#define usleep hrt_usleep /* could conflict with ncurses for static build */
+
+void
+hrt_usleep(unsigned long usec)
+{
+ int msec = usec / 1000;
+ poll(0, 0, msec);
+}
+
+#endif /* #if !defined(HAS_USLEEP) && defined(HAS_POLL) */
#if !defined(HAS_UALARM) && defined(HAS_SETITIMER)
#define HAS_UALARM
hrt_ualarm(int usec, int interval)
{
struct itimerval itv;
- itv.it_value.tv_sec = usec / 1000000;
- itv.it_value.tv_usec = usec % 1000000;
- itv.it_interval.tv_sec = interval / 1000000;
- itv.it_interval.tv_usec = interval % 1000000;
+ itv.it_value.tv_sec = usec / IV_1E6;
+ itv.it_value.tv_usec = usec % IV_1E6;
+ itv.it_interval.tv_sec = interval / IV_1E6;
+ itv.it_interval.tv_usec = interval % IV_1E6;
return setitimer(ITIMER_REAL, &itv, 0);
}
#endif /* #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) */
struct timeval Tp;
int status;
status = gettimeofday (&Tp, NULL);
- return status == 0 ? Tp.tv_sec + (Tp.tv_usec / 1000000.) : -1.0;
+ return status == 0 ? Tp.tv_sec + (Tp.tv_usec / NV_1E6) : -1.0;
}
#endif /* #ifdef HAS_GETTIMEOFDAY */
+#include "const-c.inc"
+
MODULE = Time::HiRes PACKAGE = Time::HiRes
PROTOTYPES: ENABLE
#ifdef ATLEASTFIVEOHOHFIVE
#ifdef HAS_GETTIMEOFDAY
{
- UV auv[2];
hv_store(PL_modglobal, "Time::NVtime", 12, newSViv(PTR2IV(myNVtime)), 0);
- if (myU2time(aTHX_ auv) == 0)
- hv_store(PL_modglobal, "Time::U2time", 12, newSViv((IV) auv[0]), 0);
+ hv_store(PL_modglobal, "Time::U2time", 12, newSViv(PTR2IV(myU2time)), 0);
}
#endif
#endif
#if defined(TIME_HIRES_NANOSLEEP)
NV
-nanosleep(nseconds)
- NV nseconds
+nanosleep(nsec)
+ NV nsec
PREINIT:
+ int status = -1;
struct timeval Ta, Tb;
CODE:
gettimeofday(&Ta, NULL);
if (items > 0) {
- struct timespec tsa;
- if (nseconds > 1E9) {
- IV seconds = (IV) (nseconds / 1E9);
- if (seconds) {
- sleep(seconds);
- nseconds -= 1E9 * seconds;
+ struct timespec ts1;
+ if (nsec > 1E9) {
+ IV sec = (IV) (nsec / 1E9);
+ if (sec) {
+ sleep(sec);
+ nsec -= 1E9 * sec;
}
- } else if (nseconds < 0.0)
- croak("Time::HiRes::nanosleep(%"NVgf"): negative time not invented yet", nseconds);
- tsa.tv_sec = (IV) (nseconds / 1E9);
- tsa.tv_nsec = (IV) nseconds - tsa.tv_sec * 1E9;
- nanosleep(&tsa, NULL);
- } else
+ } else if (nsec < 0.0)
+ croak("Time::HiRes::nanosleep(%"NVgf"): negative time not invented yet", nsec);
+ ts1.tv_sec = (IV) (nsec / 1E9);
+ ts1.tv_nsec = (IV) nsec - (IV) (ts1.tv_sec * NV_1E9);
+ status = nanosleep(&ts1, NULL);
+ } else {
PerlProc_pause();
+ status = 0;
+ }
gettimeofday(&Tb, NULL);
- RETVAL = 1E3*(1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec));
+ RETVAL = status == 0 ? 1E3*(1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec)) : -1;
OUTPUT:
RETVAL
+#else /* #if defined(TIME_HIRES_NANOSLEEP) */
+
+NV
+nanosleep(nsec)
+ NV nsec
+ CODE:
+ croak("Time::HiRes::nanosleep(): unimplemented in this platform");
+ RETVAL = 0.0;
+
#endif /* #if defined(TIME_HIRES_NANOSLEEP) */
NV
OUTPUT:
RETVAL
+#else /* #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) */
+
+NV
+usleep(useconds)
+ NV useconds
+ CODE:
+ croak("Time::HiRes::usleep(): unimplemented in this platform");
+ RETVAL = 0.0;
+
#endif /* #if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY) */
#ifdef HAS_UALARM
CODE:
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;
+ RETVAL = (NV)ualarm((IV)(seconds * IV_1E6),
+ (IV)(interval * IV_1E6)) / NV_1E6;
OUTPUT:
RETVAL
+#else
+
+int
+ualarm(useconds,interval=0)
+ int useconds
+ int interval
+ CODE:
+ croak("Time::HiRes::ualarm(): unimplemented in this platform");
+ RETVAL = -1;
+
+NV
+alarm(seconds,interval=0)
+ NV seconds
+ NV interval
+ CODE:
+ croak("Time::HiRes::alarm(): unimplemented in this platform");
+ RETVAL = 0.0;
+
#endif /* #ifdef HAS_UALARM */
#ifdef HAS_GETTIMEOFDAY
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))));
+ if (status == 0) {
+ 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 / NV_1E6))));
+ }
}
NV
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);
+ if (status == 0) {
+ Tp.tv_sec += Tz.tz_minuteswest * 60; /* adjust for TZ */
+ RETVAL = Tp.tv_sec + (Tp.tv_usec / NV_1E6);
+ } else {
+ RETVAL = -1.0;
+ }
OUTPUT:
RETVAL
PPCODE:
int status;
status = gettimeofday (&Tp, NULL);
- if (GIMME == G_ARRAY) {
- EXTEND(sp, 2);
- PUSHs(sv_2mortal(newSViv(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))));
+ if (status == 0) {
+ if (GIMME == G_ARRAY) {
+ EXTEND(sp, 2);
+ PUSHs(sv_2mortal(newSViv(Tp.tv_sec)));
+ PUSHs(sv_2mortal(newSViv(Tp.tv_usec)));
+ } else {
+ EXTEND(sp, 1);
+ PUSHs(sv_2mortal(newSVnv(Tp.tv_sec + (Tp.tv_usec / NV_1E6))));
+ }
}
NV
CODE:
int status;
status = gettimeofday (&Tp, NULL);
- RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.);
+ if (status == 0) {
+ RETVAL = Tp.tv_sec + (Tp.tv_usec / NV_1E6);
+ } else {
+ RETVAL = -1.0;
+ }
OUTPUT:
RETVAL
PPCODE:
if (seconds < 0.0 || interval < 0.0)
croak("Time::HiRes::setitimer(%"IVdf", %"NVgf", %"NVgf"): negative time not invented yet", (IV)which, seconds, interval);
- newit.it_value.tv_sec = seconds;
+ newit.it_value.tv_sec = (IV)seconds;
newit.it_value.tv_usec =
- (seconds - (NV)newit.it_value.tv_sec) * 1000000.0;
- newit.it_interval.tv_sec = interval;
+ (IV)((seconds - (NV)newit.it_value.tv_sec) * NV_1E6);
+ newit.it_interval.tv_sec = (IV)interval;
newit.it_interval.tv_usec =
- (interval - (NV)newit.it_interval.tv_sec) * 1000000.0;
+ (IV)((interval - (NV)newit.it_interval.tv_sec) * NV_1E6);
if (setitimer(which, &newit, &oldit) == 0) {
EXTEND(sp, 1);
PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_value))));
#endif /* #if defined(HAS_GETITIMER) && defined(HAS_SETITIMER) */
+#if defined(TIME_HIRES_CLOCK_GETTIME)
+
+NV
+clock_gettime(clock_id = CLOCK_REALTIME)
+ int clock_id
+ PREINIT:
+ struct timespec ts;
+ int status = -1;
+ CODE:
+#ifdef TIME_HIRES_CLOCK_GETTIME_SYSCALL
+ status = syscall(SYS_clock_gettime, clock_id, &ts);
+#else
+ status = clock_gettime(clock_id, &ts);
+#endif
+ RETVAL = status == 0 ? ts.tv_sec + (NV) ts.tv_nsec / (NV) 1e9 : -1;
+
+ OUTPUT:
+ RETVAL
+
+#else /* if defined(TIME_HIRES_CLOCK_GETTIME) */
+
+NV
+clock_gettime(clock_id = 0)
+ int clock_id
+ CODE:
+ croak("Time::HiRes::clock_gettime(): unimplemented in this platform");
+ RETVAL = 0.0;
+
+#endif /* #if defined(TIME_HIRES_CLOCK_GETTIME) */
+
+#if defined(TIME_HIRES_CLOCK_GETRES)
+
+NV
+clock_getres(clock_id = CLOCK_REALTIME)
+ int clock_id
+ PREINIT:
+ int status = -1;
+ struct timespec ts;
+ CODE:
+#ifdef TIME_HIRES_CLOCK_GETRES_SYSCALL
+ status = syscall(SYS_clock_getres, clock_id, &ts);
+#else
+ status = clock_getres(clock_id, &ts);
+#endif
+ RETVAL = status == 0 ? ts.tv_sec + (NV) ts.tv_nsec / (NV) 1e9 : -1;
+
+ OUTPUT:
+ RETVAL
+
+#else /* if defined(TIME_HIRES_CLOCK_GETRES) */
+
+NV
+clock_getres(clock_id = 0)
+ int clock_id
+ CODE:
+ croak("Time::HiRes::clock_getres(): unimplemented in this platform");
+ RETVAL = 0.0;
+
+#endif /* #if defined(TIME_HIRES_CLOCK_GETRES) */
+
+#if defined(TIME_HIRES_CLOCK_NANOSLEEP) && defined(TIMER_ABSTIME)
+
+NV
+clock_nanosleep(clock_id = CLOCK_REALTIME, sec = 0.0, flags = 0)
+ int clock_id
+ NV sec
+ int flags
+ PREINIT:
+ int status = -1;
+ struct timespec ts;
+ struct timeval Ta, Tb;
+ CODE:
+ gettimeofday(&Ta, NULL);
+ if (items > 1) {
+ ts.tv_sec = (IV) sec;
+ ts.tv_nsec = (sec - (NV) ts.tv_sec) * (NV) 1E9;
+ status = clock_nanosleep(clock_id, flags, &ts, NULL);
+ } else {
+ PerlProc_pause();
+ status = 0;
+ }
+ gettimeofday(&Tb, NULL);
+ RETVAL = status == 0 ? 1E3*(1E6*(Tb.tv_sec-Ta.tv_sec)+(NV)((IV)Tb.tv_usec-(IV)Ta.tv_usec)) : -1;
+
+ OUTPUT:
+ RETVAL
+
+#else /* if defined(TIME_HIRES_CLOCK_NANOSLEEP) && defined(TIMER_ABSTIME) */
+
+NV
+clock_nanosleep()
+ CODE:
+ croak("Time::HiRes::clock_nanosleep(): unimplemented in this platform");
+ RETVAL = 0.0;
+
+#endif /* #if defined(TIME_HIRES_CLOCK_NANOSLEEP) && defined(TIMER_ABSTIME) */
+
+#if defined(TIME_HIRES_CLOCK) && defined(CLOCKS_PER_SEC)
+
+NV
+clock()
+ PREINIT:
+ clock_t clocks;
+ CODE:
+ clocks = clock();
+ RETVAL = clocks == -1 ? -1 : (NV)clocks / (NV)CLOCKS_PER_SEC;
+
+ OUTPUT:
+ RETVAL
+
+#else /* if defined(TIME_HIRES_CLOCK) && defined(CLOCKS_PER_SEC) */
+
+NV
+clock()
+ CODE:
+ croak("Time::HiRes::clock(): unimplemented in this platform");
+ RETVAL = 0.0;
+
+#endif /* #if defined(TIME_HIRES_CLOCK) && defined(CLOCKS_PER_SEC) */
projects / p5sagit/p5-mst-13.2.git / blobdiff