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Use constants for millseconds/seconds

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This commit is contained in:
Danny Robson 2013-08-08 10:48:29 +10:00
parent bd5b9722ea
commit 3615bb2fa1
1 changed files with 11 additions and 8 deletions
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19
time.cpp
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@ -27,6 +27,10 @@
using namespace util;
// ----------------------------------------------------------------------------
static const uint64_t SECOND = 1000000000UL;
static const uint64_t MILLISECOND = 1000000UL;
// ----------------------------------------------------------------------------
#ifdef PLATFORM_WIN32
#include <windows.h>
@ -37,14 +41,13 @@ util::nanoseconds (void) {
QueryPerformanceFrequency (&freq);
QueryPerformanceCounter (&count);
return ((double)count.QuadPart / freq.QuadPart) * 1000000000UL;
return ((double)count.QuadPart / freq.QuadPart) * SECOND;
}
void
util::sleep (uint64_t ns) {
static const uint64_t ns_in_ms = 1000000;
Sleep (ns / ns_in_ms);
Sleep (ns / MILLISECOND);
}
#else
@ -58,7 +61,7 @@ util::nanoseconds (void) {
CHECK_SOFT (t.tv_sec > 0);
CHECK_SOFT (t.tv_nsec > 0);
return static_cast<uint64_t> (t.tv_sec) * 1000000000ULL + static_cast<uint64_t> (t.tv_nsec);
return static_cast<uint64_t> (t.tv_sec) * SECOND + static_cast<uint64_t> (t.tv_nsec);
}
@ -66,8 +69,8 @@ void
util::sleep (uint64_t ns) {
struct timespec req, rem;
req.tv_sec = sign_cast<time_t> (ns / 1000000000UL);
req.tv_nsec = sign_cast<long> (ns % 1000000000UL);
req.tv_sec = sign_cast<time_t> (ns / SECOND);
req.tv_nsec = sign_cast<long> (ns % SECOND);
while (nanosleep (&req, &rem)) {
req = rem;
@ -86,7 +89,7 @@ delta_clock::seconds (void) {
time.prev = time.curr;
time.curr = nanoseconds ();
return (time.curr - time.prev) / 1000000000.0;
return (time.curr - time.prev) / static_cast<double> (SECOND);
}
@ -108,7 +111,7 @@ void
util::polled_duration::stop (void) {
uint64_t now = nanoseconds ();
uint64_t dt = now - m_last;
m_series.add (dt / 1000000);
m_series.add (dt / MILLISECOND);
if (m_next < now) {
LOG_DEBUG ("timing: '%s'. %s", m_name, m_series);