From: Jarkko Hietaniemi <jhi@iki.fi>
Date: Wed, 8 May 2002 23:48:12 +0000 (+0000)
Subject: Rework #16506 some more.
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=6e3b076d535420d10e4d928a62445e7e7b46eef7;p=p5sagit%2Fp5-mst-13.2.git

Rework #16506 some more.

p4raw-id: //depot/perl@16507
---

diff --git a/ext/Time/HiRes/HiRes.xs b/ext/Time/HiRes/HiRes.xs
index c38dc07..9d3586d 100644
--- a/ext/Time/HiRes/HiRes.xs
+++ b/ext/Time/HiRes/HiRes.xs
@@ -61,23 +61,30 @@ not_there:
 #if !defined(HAS_GETTIMEOFDAY) && defined(WIN32)
 #define HAS_GETTIMEOFDAY
 
+/* shows up in winsock.h?
+struct timeval {
+ long tv_sec;
+ long tv_usec;
+}
+*/
+
 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
-/* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
 #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) */
-DllExport int
-gettimeofday(struct timeval *tp, void *not_used)
+int
+gettimeofday (struct timeval *tp, void *not_used)
 {
     FT_t ft;
 
@@ -92,8 +99,7 @@ gettimeofday(struct timeval *tp, void *not_used)
 
     return 0;
 }
-
-#endif /* WIN32 */
+#endif
 
 #if !defined(HAS_GETTIMEOFDAY) && defined(VMS)
 #define HAS_GETTIMEOFDAY
@@ -534,7 +540,7 @@ myU2time(UV *ret)
 {
   struct timeval Tp;
   int status;
-  status = PerlProc_gettimeofday(&Tp,NULL);
+  status = gettimeofday (&Tp, NULL);
   ret[0] = Tp.tv_sec;
   ret[1] = Tp.tv_usec;
   return status;
@@ -545,7 +551,7 @@ myNVtime()
 {
   struct timeval Tp;
   int status;
-  status = PerlProc_gettimeofday(&Tp,NULL);
+  status = gettimeofday (&Tp, NULL);
   return status == 0 ? Tp.tv_sec + (Tp.tv_usec / 1000000.) : -1.0;
 }
 
@@ -578,7 +584,7 @@ usleep(useconds)
 	PREINIT:
 	struct timeval Ta, Tb;
 	CODE:
-	PerlProc_gettimeofday(&Ta,NULL);
+	gettimeofday(&Ta, NULL);
 	if (items > 0) {
 	    if (useconds > 1E6) {
 		IV seconds = (IV) (useconds / 1E6);
@@ -594,7 +600,7 @@ usleep(useconds)
 	    usleep((UV)useconds);
 	} else
 	    PerlProc_pause();
-	PerlProc_gettimeofday(&Tb,NULL);
+	gettimeofday(&Tb, NULL);
 #if 0
 	printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec);
 #endif
@@ -608,7 +614,7 @@ sleep(...)
 	PREINIT:
 	struct timeval Ta, Tb;
 	CODE:
-	PerlProc_gettimeofday(&Ta,NULL);
+	gettimeofday(&Ta, NULL);
 	if (items > 0) {
 	    NV seconds  = SvNV(ST(0));
 	    if (seconds >= 0.0) {
@@ -620,7 +626,7 @@ sleep(...)
 	        croak("Time::HiRes::sleep(%"NVgf"): negative time not invented yet", seconds);
 	} else
 	    PerlProc_pause();
-	PerlProc_gettimeofday(&Tb,NULL);
+	gettimeofday(&Tb, NULL);
 #if 0
 	printf("[%ld %ld] [%ld %ld]\n", Tb.tv_sec, Tb.tv_usec, Ta.tv_sec, Ta.tv_usec);
 #endif
@@ -669,7 +675,7 @@ gettimeofday()
         struct timezone Tz;
         PPCODE:
         int status;
-        status = PerlProc_gettimeofday(&Tp,&Tz);
+        status = gettimeofday (&Tp, &Tz);
         Tp.tv_sec += Tz.tz_minuteswest * 60;	/* adjust for TZ */
 
         if (GIMME == G_ARRAY) {
@@ -689,7 +695,7 @@ time()
         struct timezone Tz;
         CODE:
         int status;
-        status = PerlProc_gettimeofday(&Tp,&Tz);
+        status = gettimeofday (&Tp, &Tz);
         Tp.tv_sec += Tz.tz_minuteswest * 60;	/* adjust for TZ */
         RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.0);
 	OUTPUT:
@@ -702,7 +708,7 @@ gettimeofday()
         struct timeval Tp;
         PPCODE:
 	int status;
-        status = PerlProc_gettimeofday(&Tp,NULL);
+        status = gettimeofday (&Tp, NULL);
         if (GIMME == G_ARRAY) {
 	     EXTEND(sp, 2);
              PUSHs(sv_2mortal(newSViv(Tp.tv_sec)));
@@ -718,7 +724,7 @@ time()
         struct timeval Tp;
         CODE:
 	int status;
-        status = PerlProc_gettimeofday(&Tp,NULL);
+        status = gettimeofday (&Tp, NULL);
         RETVAL = Tp.tv_sec + (Tp.tv_usec / 1000000.);
 	OUTPUT:
 	RETVAL
diff --git a/win32/win32.c b/win32/win32.c
index 59e7ee8..06068bf 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -1651,12 +1651,36 @@ win32_utime(const char *filename, struct utimbuf *times)
     return rc;
 }
 
+typedef union {
+    unsigned __int64	ft_i64;
+    FILETIME		ft_val;
+} FT_t;
+
+#ifdef __GNUC__
+#define Const64(x) x##LL
+#else
+#define Const64(x) x##i64
+#endif
+/* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
+#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) */
 DllExport int
 win32_gettimeofday(struct timeval *tp, void *not_used)
 {
-    return PerlProc_gettimeofday(tp, not_used); // Implemented in Time::HiRes.
+    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;
 }
 
 DllExport int