+/*
+ *
+ * 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
+#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
+#include "ppport.h"
+#if defined(__CYGWIN__) && defined(HAS_W32API_WINDOWS_H)
+# include <w32api/windows.h>
+# define CYGWIN_WITH_W32API
+#endif
#ifdef WIN32
-#include <time.h>
+# include <time.h>
#else
-#include <sys/time.h>
+# include <sys/time.h>
#endif
#ifdef HAS_SELECT
# ifdef I_SYS_SELECT
# 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
-static IV
-constant(char *name, int arg)
-{
- errno = 0;
- switch (*name) {
- case 'I':
- if (strEQ(name, "ITIMER_REAL"))
-#ifdef ITIMER_REAL
- return ITIMER_REAL;
-#else
- goto not_there;
+#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
- if (strEQ(name, "ITIMER_REALPROF"))
-#ifdef ITIMER_REALPROF
- return ITIMER_REALPROF;
+
+#ifdef HAS_PAUSE
+# define Pause pause
#else
- goto not_there;
+# undef Pause /* In case perl.h did it already. */
+# define Pause() sleep(~0) /* Zzz for a long time. */
#endif
- if (strEQ(name, "ITIMER_VIRTUAL"))
-#ifdef ITIMER_VIRTUAL
- return ITIMER_VIRTUAL;
-#else
- goto not_there;
+
+/* Though the cpp define ITIMER_VIRTUAL is available the functionality
+ * is not supported in Cygwin as of August 2004, ditto for Win32.
+ * Neither are ITIMER_PROF or ITIMER_REALPROF implemented. --jhi
+ */
+#if defined(__CYGWIN__) || defined(WIN32)
+# undef ITIMER_VIRTUAL
+# undef ITIMER_PROF
+# undef ITIMER_REALPROF
#endif
- if (strEQ(name, "ITIMER_PROF"))
-#ifdef ITIMER_PROF
- return ITIMER_PROF;
-#else
- goto not_there;
+
+/* 5.004 doesn't define PL_sv_undef */
+#ifndef ATLEASTFIVEOHOHFIVE
+# ifndef PL_sv_undef
+# define PL_sv_undef sv_undef
+# endif
#endif
- break;
- }
- errno = EINVAL;
- return 0;
-not_there:
- errno = ENOENT;
- return 0;
-}
+#if defined(TIME_HIRES_CLOCK_GETTIME) && defined(_STRUCT_ITIMERSPEC)
-#if !defined(HAS_GETTIMEOFDAY) && defined(WIN32)
-#define HAS_GETTIMEOFDAY
+/* 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)
+
+#ifndef HAS_GETTIMEOFDAY
+# define HAS_GETTIMEOFDAY
+#endif
/* shows up in winsock.h?
struct timeval {
FILETIME ft_val;
} FT_t;
+#define MY_CXT_KEY "Time::HiRes_" XS_VERSION
+
+typedef struct {
+ unsigned long run_count;
+ unsigned __int64 base_ticks;
+ unsigned __int64 tick_frequency;
+ FT_t base_systime_as_filetime;
+ unsigned __int64 reset_time;
+} my_cxt_t;
+
+START_MY_CXT
+
/* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
#ifdef __GNUC__
-#define Const64(x) x##LL
+# define Const64(x) x##LL
#else
-#define Const64(x) x##i64
+# 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, void *not_used)
+
+/* dMY_CXT needs a Perl context and we don't want to call PERL_GET_CONTEXT
+ for performance reasons */
+
+#undef gettimeofday
+#define gettimeofday(tp, not_used) _gettimeofday(aTHX_ tp, not_used)
+
+/* If the performance counter delta drifts more than 0.5 seconds from the
+ * system time then we recalibrate to the system time. This means we may
+ * move *backwards* in time! */
+#define MAX_PERF_COUNTER_SKEW Const64(5000000) /* 0.5 seconds */
+
+/* Reset reading from the performance counter every five minutes.
+ * Many PC clocks just seem to be so bad. */
+#define MAX_PERF_COUNTER_TICKS Const64(300000000) /* 300 seconds */
+
+static int
+_gettimeofday(pTHX_ struct timeval *tp, void *not_used)
{
+ dMY_CXT;
+
+ unsigned __int64 ticks;
FT_t ft;
- /* this returns time in 100-nanosecond units (i.e. tens of usecs) */
- GetSystemTimeAsFileTime(&ft.ft_val);
+ if (MY_CXT.run_count++ == 0 ||
+ MY_CXT.base_systime_as_filetime.ft_i64 > MY_CXT.reset_time) {
+ QueryPerformanceFrequency((LARGE_INTEGER*)&MY_CXT.tick_frequency);
+ QueryPerformanceCounter((LARGE_INTEGER*)&MY_CXT.base_ticks);
+ GetSystemTimeAsFileTime(&MY_CXT.base_systime_as_filetime.ft_val);
+ ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64;
+ MY_CXT.reset_time = ft.ft_i64 + MAX_PERF_COUNTER_TICKS;
+ }
+ else {
+ __int64 diff;
+ QueryPerformanceCounter((LARGE_INTEGER*)&ticks);
+ ticks -= MY_CXT.base_ticks;
+ ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64
+ + 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;
+ GetSystemTimeAsFileTime(&MY_CXT.base_systime_as_filetime.ft_val);
+ ft.ft_i64 = MY_CXT.base_systime_as_filetime.ft_i64;
+ }
+ }
/* 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;
}
#endif
+#if defined(WIN32) && !defined(ATLEASTFIVEOHOHFIVE)
+static unsigned int
+sleep(unsigned int t)
+{
+ Sleep(t*1000);
+ return 0;
+}
+#endif
+
#if !defined(HAS_GETTIMEOFDAY) && defined(VMS)
#define HAS_GETTIMEOFDAY
}
#endif
+
+ /* Do not use H A S _ N A N O S L E E P
+ * 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_nanosleep /* could conflict with ncurses for static build */
+
+void
+hrt_nanosleep(unsigned long usec) /* This is used to emulate usleep. */
+{
+ struct timespec res;
+ 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(TIME_HIRES_NANOSLEEP) */
+
#if !defined(HAS_USLEEP) && defined(HAS_SELECT)
#ifndef SELECT_IS_BROKEN
#define HAS_USLEEP
(Select_fd_set_t)NULL, &tv);
}
#endif
-#endif
+#endif /* #if !defined(HAS_USLEEP) && defined(HAS_SELECT) */
#if !defined(HAS_USLEEP) && defined(WIN32)
#define HAS_USLEEP
msec = usec / 1000;
Sleep (msec);
}
-#endif
+#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
+#endif /* #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) */
#if !defined(HAS_UALARM) && defined(VMS)
#define HAS_UALARM
}
}
-#endif /* !HAS_UALARM && VMS */
-
-
+#endif /* #if !defined(HAS_UALARM) && defined(VMS) */
#ifdef HAS_GETTIMEOFDAY
static int
-myU2time(UV *ret)
+myU2time(pTHX_ UV *ret)
{
struct timeval Tp;
int status;
static NV
myNVtime()
{
+#ifdef WIN32
+ dTHX;
+#endif
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
+#endif /* #ifdef HAS_GETTIMEOFDAY */
+
+#include "const-c.inc"
MODULE = Time::HiRes PACKAGE = Time::HiRes
PROTOTYPES: ENABLE
BOOT:
-#ifdef HAS_GETTIMEOFDAY
{
- UV auv[2];
- 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);
+#ifdef MY_CXT_KEY
+ MY_CXT_INIT;
+#endif
+#ifdef ATLEASTFIVEOHOHFIVE
+#ifdef HAS_GETTIMEOFDAY
+ {
+ hv_store(PL_modglobal, "Time::NVtime", 12, newSViv(PTR2IV(myNVtime)), 0);
+ hv_store(PL_modglobal, "Time::U2time", 12, newSViv(PTR2IV(myU2time)), 0);
+ }
+#endif
+#endif
}
+
+#if defined(USE_ITHREADS) && defined(MY_CXT_KEY)
+
+void
+CLONE(...)
+ CODE:
+ MY_CXT_CLONE;
+
#endif
-IV
-constant(name, arg)
- char * name
- int arg
+INCLUDE: const-xs.inc
#if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY)
}
} else if (useconds < 0.0)
croak("Time::HiRes::usleep(%"NVgf"): negative time not invented yet", useconds);
- usleep((UV)useconds);
+ usleep((U32)useconds);
} else
PerlProc_pause();
gettimeofday(&Tb, NULL);
OUTPUT:
RETVAL
+#if defined(TIME_HIRES_NANOSLEEP)
+
+NV
+nanosleep(nsec)
+ NV nsec
+ PREINIT:
+ int status = -1;
+ struct timeval Ta, Tb;
+ CODE:
+ gettimeofday(&Ta, NULL);
+ if (items > 0) {
+ struct timespec ts1;
+ if (nsec > 1E9) {
+ IV sec = (IV) (nsec / 1E9);
+ if (sec) {
+ sleep(sec);
+ nsec -= 1E9 * sec;
+ }
+ } 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 = 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
sleep(...)
PREINIT:
if (seconds >= 0.0) {
UV useconds = (UV)(1E6 * (seconds - (UV)seconds));
if (seconds >= 1.0)
- sleep((UV)seconds);
+ sleep((U32)seconds);
+ if ((IV)useconds < 0) {
+#if defined(__sparc64__) && defined(__GNUC__)
+ /* Sparc64 gcc 2.95.3 (e.g. on NetBSD) has a bug
+ * where (0.5 - (UV)(0.5)) will under certain
+ * circumstances (if the double is cast to UV more
+ * than once?) evaluate to -0.5, instead of 0.5. */
+ useconds = -(IV)useconds;
+#endif /* #if defined(__sparc64__) && defined(__GNUC__) */
+ if ((IV)useconds < 0)
+ croak("Time::HiRes::sleep(%"NVgf"): internal error: useconds < 0 (unsigned %"UVuf" signed %"IVdf")", seconds, useconds, (IV)useconds);
+ }
usleep(useconds);
} else
croak("Time::HiRes::sleep(%"NVgf"): negative time not invented yet", seconds);
OUTPUT:
RETVAL
-#endif
+#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
-#endif
+#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
# ifdef MACOS_TRADITIONAL /* fix epoch TZ and use unsigned time_t */
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
# endif /* MACOS_TRADITIONAL */
-#endif
+#endif /* #ifdef HAS_GETTIMEOFDAY */
#if defined(HAS_GETITIMER) && defined(HAS_SETITIMER)
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) */
-# $Id: HiRes.xs,v 1.11 1999/03/16 02:27:38 wegscd Exp wegscd $
-
-# $Log: HiRes.xs,v $
-# Revision 1.11 1999/03/16 02:27:38 wegscd
-# Add U2time, NVtime. Fix symbols for static link.
-#
-# Revision 1.10 1998/09/30 02:36:25 wegscd
-# Add VMS changes.
-#
-# Revision 1.9 1998/07/07 02:42:06 wegscd
-# Win32 usleep()
-#
-# Revision 1.8 1998/07/02 01:47:26 wegscd
-# Add Win32 code for gettimeofday.
-#
-# Revision 1.7 1997/11/13 02:08:12 wegscd
-# Add missing EXTEND in gettimeofday() scalar code.
-#
-# Revision 1.6 1997/11/11 02:32:35 wegscd
-# Do something useful when calling gettimeofday() in a scalar context.
-# The patch is courtesy of Gisle Aas.
-#
-# Revision 1.5 1997/11/06 03:10:47 wegscd
-# Fake ualarm() if we have setitimer.
-#
-# Revision 1.4 1997/11/05 05:41:23 wegscd
-# Turn prototypes ON (suggested by Gisle Aas)
-#
-# Revision 1.3 1997/10/13 20:56:15 wegscd
-# Add PROTOTYPES: DISABLE
-#
-# Revision 1.2 1997/05/23 01:01:38 wegscd
-# Conditional compilation, depending on what the OS gives us.
-#
-# Revision 1.1 1996/09/03 18:26:35 wegscd
-# Initial revision
-#
-#
projects / p5sagit/p5-mst-13.2.git / blobdiff