2 * Copyright (C) 2016 Michael Jeanson <mjeanson@efficios.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #ifndef _COMPAT_TIME_H
24 #define _COMPAT_TIME_H
30 typedef uint64_t timer_t
;
32 #include <mach/mach.h>
33 #include <mach/clock.h>
40 #endif /* __APPLE__ */
42 /* macOS/OS X 10.12 (Sierra) and up provide clock_gettime() */
43 #if defined(__APPLE__) && !defined(LTTNG_HAVE_CLOCK_GETTIME)
45 typedef int clockid_t
;
46 #define CLOCK_REALTIME CALENDAR_CLOCK
47 #define CLOCK_MONOTONIC SYSTEM_CLOCK
50 int lttng_clock_gettime(clockid_t clk_id
, struct timespec
*tp
)
56 if (clk_id
!= CLOCK_REALTIME
&& clk_id
!= CLOCK_MONOTONIC
) {
62 host_get_clock_service(mach_host_self(), clk_id
, &clock
);
64 ret
= clock_get_time(clock
, &now
);
65 if (ret
!= KERN_SUCCESS
) {
70 tp
->tv_sec
= now
.tv_sec
;
71 tp
->tv_nsec
= now
.tv_nsec
;
74 mach_port_deallocate(mach_task_self(), clock
);
79 #else /* __APPLE__ && !LTTNG_HAVE_CLOCK_GETTIME */
82 int lttng_clock_gettime(clockid_t clk_id
, struct timespec
*tp
)
84 return clock_gettime(clk_id
, tp
);
87 #endif /* __APPLE__ && !LTTNG_HAVE_CLOCK_GETTIME */
89 #endif /* _COMPAT_TIME_H */
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