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author | David Robillard <d@drobilla.net> | 2016-10-01 20:28:20 -0400 |
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committer | David Robillard <d@drobilla.net> | 2016-10-02 12:27:23 -0400 |
commit | 3433418d7698060b4307a206c086bb30a45f566b (patch) | |
tree | cf9d6790a61b09d7204a7c3b522145828b8f0c7c /src/server/Clock.hpp | |
parent | a2cb63943b9e720be55e175da7c970c8dc3833d9 (diff) | |
download | ingen-3433418d7698060b4307a206c086bb30a45f566b.tar.gz ingen-3433418d7698060b4307a206c086bb30a45f566b.tar.bz2 ingen-3433418d7698060b4307a206c086bb30a45f566b.zip |
Implement microsecond clock for Linux and OSX
Diffstat (limited to 'src/server/Clock.hpp')
-rw-r--r-- | src/server/Clock.hpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/server/Clock.hpp b/src/server/Clock.hpp new file mode 100644 index 00000000..d9526d02 --- /dev/null +++ b/src/server/Clock.hpp @@ -0,0 +1,60 @@ +/* + This file is part of Ingen. + Copyright 2016 David Robillard <http://drobilla.net/> + + Ingen is free software: you can redistribute it and/or modify it under the + terms of the GNU Affero General Public License as published by the Free + Software Foundation, either version 3 of the License, or any later version. + + Ingen is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU Affero General Public License for details. + + You should have received a copy of the GNU Affero General Public License + along with Ingen. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef INGEN_ENGINE_CLOCK_HPP +#define INGEN_ENGINE_CLOCK_HPP + +#ifdef __MACH__ +# include <mach/mach.h> +# include <mach/mach_time.h> +#endif + +namespace Ingen { +namespace Server { + +class Clock { +public: +#ifdef __MACH__ + + Clock() { mach_timebase_info(&_timebase); } + + uint64_t now_microseconds() const { + const uint64_t now = mach_absolute_time(); + return now * _timebase.numer / _timebase.denom / 1e3; + } + +private: + mach_timebase_info_data_t _timebase; + +#else + + uint64_t now_microseconds() const { + struct timespec time; +# if defined(CLOCK_MONOTONIC_RAW) + clock_gettime(CLOCK_MONOTONIC_RAW, &time); +# else + clock_gettime(CLOCK_MONOTONIC, &time); +# endif + return (uint64_t)time.tv_sec * 1e6 + (uint64_t)time.tv_nsec / 1e3; + } + +#endif +}; + +} // namespace Server +} // namespace Ingen + +#endif // INGEN_ENGINE_CLOCK_HPP |