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Add nanoseconds implementation for Win32

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This commit is contained in:
Danny Robson 2011-09-25 14:24:53 +10:00
parent b210729fe9
commit 4ddcb4c482
1 changed files with 16 additions and 1 deletions
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17
time.cpp
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@ -21,10 +21,24 @@
#include "debug.hpp"
#include <ctime>
using namespace util;
#ifdef __WIN32
#include <windows.h>
uint64_t
util::nanoseconds (void) {
LARGE_INTEGER freq, count;
QueryPerformanceFrequency (&freq);
QueryPerformanceCounter (&count);
return ((double)count.QuadPart / freq.QuadPart) * 1000000000UL;
}
#else
#include <ctime>
uint64_t
util::nanoseconds (void) {
@ -36,3 +50,4 @@ util::nanoseconds (void) {
return static_cast<uint64_t> (t.tv_sec) * 1000000000ULL + static_cast<uint64_t> (t.tv_nsec);
}
#endif