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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
// Copyright 2025 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build linux && (386 || arm || mips || mipsle || (gccgo && (ppc || s390)))
package runtime
import (
"unsafe"
)
func configure64bitsTimeOn32BitsArchitectures() {
use64bitsTimeOn32bits = getKernelVersion().GE(5, 1)
}
//go:noescape
func futex_time32(addr unsafe.Pointer, op int32, val uint32, ts *timespec32, addr2 unsafe.Pointer, val3 uint32) int32
//go:noescape
func futex_time64(addr unsafe.Pointer, op int32, val uint32, ts *timespec, addr2 unsafe.Pointer, val3 uint32) int32
var use64bitsTimeOn32bits bool
//go:nosplit
func futex(addr unsafe.Pointer, op int32, val uint32, ts *timespec, addr2 unsafe.Pointer, val3 uint32) int32 {
if use64bitsTimeOn32bits {
return futex_time64(addr, op, val, ts, addr2, val3)
}
// Downgrade ts.
var ts32 timespec32
var pts32 *timespec32
if ts != nil {
ts32.setNsec(ts.tv_sec*1e9 + int64(ts.tv_nsec))
pts32 = &ts32
}
return futex_time32(addr, op, val, pts32, addr2, val3)
}
//go:noescape
func timer_settime32(timerid int32, flags int32, new, old *itimerspec32) int32
//go:noescape
func timer_settime64(timerid int32, flags int32, new, old *itimerspec) int32
//go:nosplit
func timer_settime(timerid int32, flags int32, new, old *itimerspec) int32 {
if use64bitsTimeOn32bits {
return timer_settime64(timerid, flags, new, old)
}
var newts, oldts itimerspec32
var new32, old32 *itimerspec32
if new != nil {
newts.it_interval.setNsec(new.it_interval.tv_sec*1e9 + int64(new.it_interval.tv_nsec))
newts.it_value.setNsec(new.it_value.tv_sec*1e9 + int64(new.it_value.tv_nsec))
new32 = &newts
}
if old != nil {
oldts.it_interval.setNsec(old.it_interval.tv_sec*1e9 + int64(old.it_interval.tv_nsec))
oldts.it_value.setNsec(old.it_value.tv_sec*1e9 + int64(old.it_value.tv_nsec))
old32 = &oldts
}
return timer_settime32(timerid, flags, new32, old32)
}
|
