+++ /dev/null
-/*
- *
- * Copyright (c) 1996-2002 Douglas E. Wegscheid. All rights reserved.
- *
- * Copyright (c) 2002,2003,2004,2005,2006,2007,2008 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>
-#else
-# 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
-
-/* At least ppport.h 3.13 gets this wrong: one really cannot
- * have NVgf as anything else than "g" under Perl 5.6.x. */
-#if PERL_REVISION == 5 && PERL_VERSION == 6
-# undef NVgf
-# define NVgf "g"
-#endif
-
-#define IV_1E6 1000000
-#define IV_1E7 10000000
-#define IV_1E9 1000000000
-
-#define NV_1E6 1000000.0
-#define NV_1E7 10000000.0
-#define NV_1E9 1000000000.0
-
-#ifndef PerlProc_pause
-# define PerlProc_pause() Pause()
-#endif
-
-#ifdef HAS_PAUSE
-# define Pause pause
-#else
-# undef Pause /* In case perl.h did it already. */
-# define Pause() sleep(~0) /* Zzz for a long time. */
-#endif
-
-/* 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 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
-/* However, it seems that at least in HP-UX 11.31 ia64 there *are*
- * defines for these, so let's try detecting them. */
-# ifndef CLOCK_REALTIME
-# define CLOCK_REALTIME CLOCK_REALTIME
-# define CLOCK_VIRTUAL CLOCK_VIRTUAL
-# define CLOCK_PROFILE CLOCK_PROFILE
-# endif
-# 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 {
- long tv_sec;
- long tv_usec;
-}
-*/
-
-typedef union {
- unsigned __int64 ft_i64;
- 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
-#else
-# define Const64(x) x##i64
-#endif
-#define EPOCH_BIAS Const64(116444736000000000)
-
-#ifdef Const64
-# ifdef __GNUC__
-# define IV_1E6LL 1000000LL /* Needed because of Const64() ##-appends LL (or i64). */
-# define IV_1E7LL 10000000LL
-# define IV_1E9LL 1000000000LL
-# else
-# define IV_1E6i64 1000000i64
-# define IV_1E7i64 10000000i64
-# define IV_1E9i64 1000000000i64
-# endif
-#endif
-
-/* NOTE: This does not compute the timezone info (doing so can be expensive,
- * and appears to be unsupported even by glibc) */
-
-/* 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;
-
- 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(IV_1E7));
-
- /* microseconds remaining */
- 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
-
-#include <lnmdef.h>
-#include <time.h> /* gettimeofday */
-#include <stdlib.h> /* qdiv */
-#include <starlet.h> /* sys$gettim */
-#include <descrip.h>
-#ifdef __VAX
-#include <lib$routines.h> /* lib$ediv() */
-#endif
-
-/*
- VMS binary time is expressed in 100 nano-seconds since
- system base time which is 17-NOV-1858 00:00:00.00
-*/
-
-#define DIV_100NS_TO_SECS 10000000L
-#define DIV_100NS_TO_USECS 10L
-
-/*
- gettimeofday is supposed to return times since the epoch
- so need to determine this in terms of VMS base time
-*/
-static $DESCRIPTOR(dscepoch,"01-JAN-1970 00:00:00.00");
-
-#ifdef __VAX
-static long base_adjust[2]={0L,0L};
-#else
-static __int64 base_adjust=0;
-#endif
-
-/*
-
- If we don't have gettimeofday, then likely we are on a VMS machine that
- operates on local time rather than UTC...so we have to zone-adjust.
- This code gleefully swiped from VMS.C
-
-*/
-/* method used to handle UTC conversions:
- * 1 == CRTL gmtime(); 2 == SYS$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$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) {
- gmtime_emulation_type++;
- utc_offset_secs = 0;
- Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC");
- }
- else { utc_offset_secs = atol(off); }
- }
- else { /* We've got a working gmtime() */
- struct tm gmt, local;
-
- gmt = *tm_p;
- tm_p = localtime(&base);
- local = *tm_p;
- utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400;
- utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600;
- utc_offset_secs += (local.tm_min - gmt.tm_min) * 60;
- utc_offset_secs += (local.tm_sec - gmt.tm_sec);
- }
- }
- return 1;
-}
-
-
-int
-gettimeofday (struct timeval *tp, void *tpz)
-{
- long ret;
-#ifdef __VAX
- long quad[2];
- long quad1[2];
- long div_100ns_to_secs;
- long div_100ns_to_usecs;
- long quo,rem;
- long quo1,rem1;
-#else
- __int64 quad;
- __qdiv_t ans1,ans2;
-#endif
-/*
- In case of error, tv_usec = 0 and tv_sec = VMS condition code.
- The return from function is also set to -1.
- This is not exactly as per the manual page.
-*/
-
- tp->tv_usec = 0;
-
-#ifdef __VAX
- if (base_adjust[0]==0 && base_adjust[1]==0) {
-#else
- if (base_adjust==0) { /* Need to determine epoch adjustment */
-#endif
- ret=sys$bintim(&dscepoch,&base_adjust);
- if (1 != (ret &&1)) {
- tp->tv_sec = ret;
- return -1;
- }
- }
-
- ret=sys$gettim(&quad); /* Get VMS system time */
- if ((1 && ret) == 1) {
-#ifdef __VAX
- quad[0] -= base_adjust[0]; /* convert to epoch offset */
- quad[1] -= base_adjust[1]; /* convert 2nd half of quadword */
- div_100ns_to_secs = DIV_100NS_TO_SECS;
- div_100ns_to_usecs = DIV_100NS_TO_USECS;
- lib$ediv(&div_100ns_to_secs,&quad,&quo,&rem);
- quad1[0] = rem;
- quad1[1] = 0L;
- lib$ediv(&div_100ns_to_usecs,&quad1,&quo1,&rem1);
- tp->tv_sec = quo; /* Whole seconds */
- tp->tv_usec = quo1; /* Micro-seconds */
-#else
- quad -= base_adjust; /* convert to epoch offset */
- ans1=qdiv(quad,DIV_100NS_TO_SECS);
- ans2=qdiv(ans1.rem,DIV_100NS_TO_USECS);
- tp->tv_sec = ans1.quot; /* Whole seconds */
- tp->tv_usec = ans2.quot; /* Micro-seconds */
-#endif
- } else {
- 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
-
-
- /* 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_usleep /* could conflict with ncurses for static build */
-
-void
-hrt_usleep(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
-#define usleep hrt_usleep /* could conflict with ncurses for static build */
-
-void
-hrt_usleep(unsigned long usec)
-{
- struct timeval tv;
- tv.tv_sec = 0;
- tv.tv_usec = usec;
- select(0, (Select_fd_set_t)NULL, (Select_fd_set_t)NULL,
- (Select_fd_set_t)NULL, &tv);
-}
-#endif
-#endif /* #if !defined(HAS_USLEEP) && defined(HAS_SELECT) */
-
-#if !defined(HAS_USLEEP) && defined(WIN32)
-#define HAS_USLEEP
-#define usleep hrt_usleep /* could conflict with ncurses for static build */
-
-void
-hrt_usleep(unsigned long usec)
-{
- long msec;
- msec = usec / 1000;
- Sleep (msec);
-}
-#endif /* #if !defined(HAS_USLEEP) && defined(WIN32) */
-
-#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_SETITIMER) && defined(ITIMER_REAL)
-
-static int
-hrt_ualarm_itimero(struct itimerval* itv, int usec, int uinterval)
-{
- itv->it_value.tv_sec = usec / IV_1E6;
- itv->it_value.tv_usec = usec % IV_1E6;
- itv->it_interval.tv_sec = uinterval / IV_1E6;
- itv->it_interval.tv_usec = uinterval % IV_1E6;
- return setitimer(ITIMER_REAL, itv, 0);
-}
-
-int
-hrt_ualarm_itimer(int usec, int uinterval)
-{
- struct itimerval itv;
- return hrt_ualarm_itimero(&itv, usec, uinterval);
-}
-
-#ifdef HAS_UALARM
-int
-hrt_ualarm(int usec, int interval) /* for binary compat before 1.91 */
-{
- return hrt_ualarm_itimer(usec, interval);
-}
-#endif /* #ifdef HAS_UALARM */
-#endif /* #if !defined(HAS_UALARM) && defined(HAS_SETITIMER) */
-
-#if !defined(HAS_UALARM) && defined(HAS_SETITIMER)
-#define HAS_UALARM
-#define ualarm hrt_ualarm_itimer /* could conflict with ncurses for static build */
-#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 /* #if !defined(HAS_UALARM) && defined(VMS) */
-
-#ifdef HAS_GETTIMEOFDAY
-
-static int
-myU2time(pTHX_ UV *ret)
-{
- struct timeval Tp;
- int status;
- status = gettimeofday (&Tp, NULL);
- ret[0] = Tp.tv_sec;
- ret[1] = Tp.tv_usec;
- return 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 / NV_1E6) : -1.0;
-}
-
-#endif /* #ifdef HAS_GETTIMEOFDAY */
-
-static void
-hrstatns(UV atime, UV mtime, UV ctime, UV *atime_nsec, UV *mtime_nsec, UV *ctime_nsec)
-{
- dTHXR;
- *atime_nsec = 0;
- *mtime_nsec = 0;
- *ctime_nsec = 0;
-#ifdef TIME_HIRES_STAT
-#if TIME_HIRES_STAT == 1
- *atime_nsec = PL_statcache.st_atimespec.tv_nsec;
- *mtime_nsec = PL_statcache.st_mtimespec.tv_nsec;
- *ctime_nsec = PL_statcache.st_ctimespec.tv_nsec;
-#endif
-#if TIME_HIRES_STAT == 2
- *atime_nsec = PL_statcache.st_atimensec;
- *mtime_nsec = PL_statcache.st_mtimensec;
- *ctime_nsec = PL_statcache.st_ctimensec;
-#endif
-#if TIME_HIRES_STAT == 3
- *atime_nsec = PL_statcache.st_atime_n;
- *mtime_nsec = PL_statcache.st_mtime_n;
- *ctime_nsec = PL_statcache.st_ctime_n;
-#endif
-#if TIME_HIRES_STAT == 4
- *atime_nsec = PL_statcache.st_atim.tv_nsec;
- *mtime_nsec = PL_statcache.st_mtim.tv_nsec;
- *ctime_nsec = PL_statcache.st_ctim.tv_nsec;
-#endif
-#if TIME_HIRES_STAT == 5
- *atime_nsec = PL_statcache.st_uatime * 1000;
- *mtime_nsec = PL_statcache.st_umtime * 1000;
- *ctime_nsec = PL_statcache.st_uctime * 1000;
-#endif
-#endif
-}
-
-#include "const-c.inc"
-
-MODULE = Time::HiRes PACKAGE = Time::HiRes
-
-PROTOTYPES: ENABLE
-
-BOOT:
-{
-#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
-
-INCLUDE: const-xs.inc
-
-#if defined(HAS_USLEEP) && defined(HAS_GETTIMEOFDAY)
-
-NV
-usleep(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((U32)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);
-
- OUTPUT:
- RETVAL
-
-#if defined(TIME_HIRES_NANOSLEEP)
-
-NV
-nanosleep(nsec)
- NV nsec
- PREINIT:
- struct timespec sleepfor, unslept;
- CODE:
- if (nsec < 0.0)
- croak("Time::HiRes::nanosleep(%"NVgf"): negative time not invented yet", nsec);
- sleepfor.tv_sec = (Time_t)(nsec / 1e9);
- sleepfor.tv_nsec = (long)(nsec - ((NV)sleepfor.tv_sec) * 1e9);
- if (!nanosleep(&sleepfor, &unslept)) {
- RETVAL = nsec;
- } else {
- sleepfor.tv_sec -= unslept.tv_sec;
- sleepfor.tv_nsec -= unslept.tv_nsec;
- if (sleepfor.tv_nsec < 0) {
- sleepfor.tv_sec--;
- sleepfor.tv_nsec += 1000000000;
- }
- RETVAL = ((NV)sleepfor.tv_sec) * 1e9 + ((NV)sleepfor.tv_nsec);
- }
- 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:
- struct timeval Ta, Tb;
- CODE:
- 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((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);
- } 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
-
-#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
-
-IV
-ualarm(useconds,uinterval=0)
- int useconds
- int uinterval
- CODE:
- if (useconds < 0 || uinterval < 0)
- croak("Time::HiRes::ualarm(%d, %d): negative time not invented yet", useconds, uinterval);
-#if defined(HAS_SETITIMER) && defined(ITIMER_REAL)
- {
- struct itimerval itv;
- if (hrt_ualarm_itimero(&itv, useconds, uinterval)) {
- RETVAL = itv.it_value.tv_sec + IV_1E6 * itv.it_value.tv_usec;
- } else {
- RETVAL = 0;
- }
- }
-#else
- if (useconds >= IV_1E6 || uinterval >= IV_1E6)
- croak("Time::HiRes::ualarm(%d, %d): useconds or uinterval equal to or more than %"IVdf, useconds, uinterval, IV_1E6);
- RETVAL = ualarm(useconds, uinterval);
-#endif
-
- OUTPUT:
- RETVAL
-
-NV
-alarm(seconds,interval=0)
- NV seconds
- NV interval
- CODE:
- if (seconds < 0.0 || interval < 0.0)
- croak("Time::HiRes::alarm(%"NVgf", %"NVgf"): negative time not invented yet", seconds, interval);
- {
- IV useconds = IV_1E6 * seconds;
- IV uinterval = IV_1E6 * interval;
-#if defined(HAS_SETITIMER) && defined(ITIMER_REAL)
- {
- struct itimerval itv;
- if (hrt_ualarm_itimero(&itv, useconds, uinterval)) {
- RETVAL = (NV)itv.it_value.tv_sec + (NV)itv.it_value.tv_usec / NV_1E6;
- } else {
- RETVAL = 0;
- }
- }
-#else
- if (useconds >= IV_1E6 || uinterval >= IV_1E6)
- croak("Time::HiRes::alarm(%d, %d): seconds or interval equal to or more than 1.0 ", useconds, uinterval, IV_1E6);
- RETVAL = (NV)ualarm( useconds, uinterval ) / NV_1E6;
-#endif
- }
-
- 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
-# 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);
-
- 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
-time()
- PREINIT:
- struct timeval Tp;
- struct timezone Tz;
- CODE:
- int status;
- status = gettimeofday (&Tp, &Tz);
- 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
-
-# else /* MACOS_TRADITIONAL */
-void
-gettimeofday()
- PREINIT:
- struct timeval Tp;
- PPCODE:
- int status;
- status = gettimeofday (&Tp, NULL);
- 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
-time()
- PREINIT:
- struct timeval Tp;
- CODE:
- int status;
- status = gettimeofday (&Tp, NULL);
- if (status == 0) {
- RETVAL = Tp.tv_sec + (Tp.tv_usec / NV_1E6);
- } else {
- RETVAL = -1.0;
- }
- OUTPUT:
- RETVAL
-
-# endif /* MACOS_TRADITIONAL */
-#endif /* #ifdef HAS_GETTIMEOFDAY */
-
-#if defined(HAS_GETITIMER) && defined(HAS_SETITIMER)
-
-#define TV2NV(tv) ((NV)((tv).tv_sec) + 0.000001 * (NV)((tv).tv_usec))
-
-void
-setitimer(which, seconds, interval = 0)
- int which
- NV seconds
- NV interval
- PREINIT:
- 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", (IV)which, seconds, interval);
- newit.it_value.tv_sec = (IV)seconds;
- newit.it_value.tv_usec =
- (IV)((seconds - (NV)newit.it_value.tv_sec) * NV_1E6);
- newit.it_interval.tv_sec = (IV)interval;
- newit.it_interval.tv_usec =
- (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))));
- if (GIMME == G_ARRAY) {
- EXTEND(sp, 1);
- PUSHs(sv_2mortal(newSVnv(TV2NV(oldit.it_interval))));
- }
- }
-
-void
-getitimer(which)
- int which
- PREINIT:
- struct itimerval nowit;
- PPCODE:
- if (getitimer(which, &nowit) == 0) {
- EXTEND(sp, 1);
- PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_value))));
- if (GIMME == G_ARRAY) {
- EXTEND(sp, 1);
- PUSHs(sv_2mortal(newSVnv(TV2NV(nowit.it_interval))));
- }
- }
-
-#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, nsec, flags = 0)
- int clock_id
- NV nsec
- int flags
- PREINIT:
- struct timespec sleepfor, unslept;
- CODE:
- if (nsec < 0.0)
- croak("Time::HiRes::clock_nanosleep(..., %"NVgf"): negative time not invented yet", nsec);
- sleepfor.tv_sec = (Time_t)(nsec / 1e9);
- sleepfor.tv_nsec = (long)(nsec - ((NV)sleepfor.tv_sec) * 1e9);
- if (!clock_nanosleep(clock_id, flags, &sleepfor, &unslept)) {
- RETVAL = nsec;
- } else {
- sleepfor.tv_sec -= unslept.tv_sec;
- sleepfor.tv_nsec -= unslept.tv_nsec;
- if (sleepfor.tv_nsec < 0) {
- sleepfor.tv_sec--;
- sleepfor.tv_nsec += 1000000000;
- }
- RETVAL = ((NV)sleepfor.tv_sec) * 1e9 + ((NV)sleepfor.tv_nsec);
- }
- 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) */
-
-void
-stat(...)
-PROTOTYPE: ;$
- PPCODE:
- PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVsv(items == 1 ? ST(0) : DEFSV)));
- PUTBACK;
- ENTER;
- PL_laststatval = -1;
- (void)*(PL_ppaddr[OP_STAT])(aTHXR);
- SPAGAIN;
- LEAVE;
- if (PL_laststatval == 0) {
- /* We assume that pp_stat() left us with 13 valid stack items,
- * and that the timestamps are at offsets 8, 9, and 10. */
- UV atime = SvUV(ST( 8));
- UV mtime = SvUV(ST( 9));
- UV ctime = SvUV(ST(10));
- UV atime_nsec;
- UV mtime_nsec;
- UV ctime_nsec;
- hrstatns(atime, mtime, ctime,
- &atime_nsec, &mtime_nsec, &ctime_nsec);
- if (atime_nsec)
- ST( 8) = sv_2mortal(newSVnv(atime + 1e-9 * (NV) atime_nsec));
- if (mtime_nsec)
- ST( 9) = sv_2mortal(newSVnv(mtime + 1e-9 * (NV) mtime_nsec));
- if (ctime_nsec)
- ST(10) = sv_2mortal(newSVnv(ctime + 1e-9 * (NV) ctime_nsec));
- XSRETURN(13);
- }
- XSRETURN(0);
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