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v/vlib/time/time_nix.c.v
2020-04-26 22:14:54 +03:00

58 lines
1.2 KiB
V

// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module time
struct C.tm {
tm_year int
tm_mon int
tm_mday int
tm_hour int
tm_min int
tm_sec int
}
fn C.timegm(&tm) time_t
fn make_unix_time(t C.tm) int {
return int(C.timegm(&t))
}
type time_t voidptr
// in most systems, these are __quad_t, which is an i64
struct C.timespec {
tv_sec i64
tv_nsec i64
}
// the first arg is defined in include/bits/types.h as `__S32_TYPE`, which is `int`
fn C.clock_gettime(int, &C.timespec)
fn sys_mono_now() u64 {
$if macos {
return sys_mono_now_darwin()
} $else {
ts := C.timespec{}
C.clock_gettime(C.CLOCK_MONOTONIC, &ts)
return u64(ts.tv_sec) * 1_000_000_000 + u64(ts.tv_nsec)
}
}
// NB: vpc_now is used by `v -profile` .
// It should NOT call *any other v function*, just C functions and casts.
[inline]
fn vpc_now() u64 {
$if macos {
tm := C.mach_absolute_time()
if time_base.denom == 0 {
C.mach_timebase_info(&time_base)
}
return (tm - start_time) * time_base.numer / time_base.denom
} $else {
ts := C.timespec{}
C.clock_gettime(C.CLOCK_MONOTONIC, &ts)
return u64(ts.tv_sec) * 1_000_000_000 + u64(ts.tv_nsec)
}
}