simulate gettimeofday on windows

git-svn-id: file:///svnroot/lcore/trunk@84 b1de8a11-f9be-4011-bde0-cc7ace90066a

diff --git a/btime.pas b/btime.pas
index 9bb95502b13300569be20b37194f402ab646334b..33b32d0c899cde75cf523bb6e9b11cf367463528 100644 (file)
--- a/btime.pas
+++ b/btime.pas
@@ -12,6 +12,11 @@ unit btime;
 \r
 interface\r
 \r
 \r
 interface\r
 \r

+{$ifdef win32}\r
+uses\r
+  ltimevalstuff;\r
+{$endif}  \r
+\r

 type\r
   float=extended;\r
 \r
 type\r
   float=extended;\r
 \r


@@ -55,6 +60,11 @@ function mmtimefloat:float;
 function qpctimefloat:float;\r
 {$endif}\r
 \r
 function qpctimefloat:float;\r
 {$endif}\r
 \r

+{$ifdef win32}\r
+procedure gettimeofday(var tv:ttimeval);\r
+{$endif}\r
+\r
+\r

 const\r
   mmtime_driftavgsize=32;\r
   mmtime_warmupnum=4;\r
 const\r
   mmtime_driftavgsize=32;\r
   mmtime_warmupnum=4;\r


@@ -169,6 +179,22 @@ end;
 {$else} {delphi 3}\r
 {------------------------------ windows/delphi code to read time}\r
 \r
 {$else} {delphi 3}\r
 {------------------------------ windows/delphi code to read time}\r
 \r

+\r
+{simulate gettimeofday on windows so one can always use gettimeofday if preferred}\r
+\r
+procedure gettimeofday(var tv:ttimeval);\r
+var\r
+  e:extended;\r
+begin\r
+  e := unixtimefloat;\r
+  tv.tv_sec := round(int(e));\r
+  tv.tv_usec := trunc(frac(e)*1000000);\r
+  {just in case}\r
+  if (tv.tv_usec < 0) then tv.tv_usec := 0;\r
+  if (tv.tv_usec > 999999) then tv.tv_usec := 999999;\r
+end;\r
+\r
+\r

 {\r
 time float: gettickcount\r
 resolution: 9x: ~55 ms NT: 1/64th of a second\r
 {\r
 time float: gettickcount\r
 resolution: 9x: ~55 ms NT: 1/64th of a second\r