/usr/include/pulse/rtclock.h is in libpulse-dev 1:8.0-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | #ifndef foortclockfoo
#define foortclockfoo
/***
This file is part of PulseAudio.
Copyright 2004-2009 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
PulseAudio 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#include <pulse/cdecl.h>
#include <pulse/sample.h>
/** \file
* Monotonic clock utilities. */
PA_C_DECL_BEGIN
/** Return the current monotonic system time in usec, if such a clock
* is available. If it is not available this will return the
* wallclock time instead. \since 0.9.16 */
pa_usec_t pa_rtclock_now(void);
PA_C_DECL_END
#endif
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