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| author | Max Kellermann <max@duempel.org> | 2013-11-24 20:41:00 +0100 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2013-11-24 20:41:00 +0100 |
| commit | 85b51e4e779360a4f2ead4404bf4d6b547f6d49d (patch) | |
| tree | f97779dd6e936ba15c0437ceed13085452157829 /src/system | |
| parent | e53a25cbaee50fdf6b9a4a118677709b47bac4cd (diff) | |
| download | mpd-85b51e4e779360a4f2ead4404bf4d6b547f6d49d.tar.gz mpd-85b51e4e779360a4f2ead4404bf4d6b547f6d49d.tar.xz mpd-85b51e4e779360a4f2ead4404bf4d6b547f6d49d.zip | |
Stats: use GetProcessTimes() on WIN32 to determine MPD uptime
Don't use GTimer if the operating system is able to tell us the
uptime.
Diffstat (limited to 'src/system')
| -rw-r--r-- | src/system/Clock.cxx | 26 | ||||
| -rw-r--r-- | src/system/Clock.hxx | 11 |
2 files changed, 37 insertions, 0 deletions
diff --git a/src/system/Clock.cxx b/src/system/Clock.cxx index 347997a44..17b221c15 100644 --- a/src/system/Clock.cxx +++ b/src/system/Clock.cxx @@ -96,3 +96,29 @@ MonotonicClockUS(void) #endif } +#ifdef WIN32 + +gcc_const +static unsigned +DeltaFileTimeS(FILETIME a, FILETIME b) +{ + ULARGE_INTEGER a2, b2; + b2.LowPart = b.dwLowDateTime; + b2.HighPart = b.dwHighDateTime; + a2.LowPart = a.dwLowDateTime; + a2.HighPart = a.dwHighDateTime; + return (a2.QuadPart - b2.QuadPart) / 10000000; +} + +unsigned +GetProcessUptimeS() +{ + FILETIME creation_time, now; + GetProcessTimes(GetCurrentProcess(), &creation_time, + nullptr, nullptr, nullptr); + GetSystemTimeAsFileTime(&now); + + return DeltaFileTimeS(now, creation_time); +} + +#endif diff --git a/src/system/Clock.hxx b/src/system/Clock.hxx index 7be1127bf..28df0c7e0 100644 --- a/src/system/Clock.hxx +++ b/src/system/Clock.hxx @@ -38,4 +38,15 @@ gcc_pure uint64_t MonotonicClockUS(); +#ifdef WIN32 + +/** + * Returns the uptime of the current process in seconds. + */ +gcc_pure +unsigned +GetProcessUptimeS(); + +#endif + #endif |