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unix: add SysctlClockinfo on OpenBSD

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OpenBSD (like NetBSD) uses sysctl with struct clockinfo to get clock
rate information from the kernel. Add type Clockinfo and the
SysctlClockinfo function to query this information.

Change-Id: I35070a82b8de23dcd7592e8654dcc5eeee143b5b
Reviewed-on: https://go-review.googlesource.com/c/sys/+/168057
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matt Layher <mdlayher@gmail.com>
This commit is contained in:
Tobias Klauser
2019-03-18 19:57:19 +00:00
committed by Tobias Klauser
parent a2f829d7f3
commit 6c81ef8f67
6 changed files with 62 additions and 0 deletions
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unix/syscall_openbsd_test.go
+9
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@@ -40,6 +40,15 @@ func TestPpoll(t *testing.T) {
}
}
func TestSysctlClockinfo(t *testing.T) {
ci, err := unix.SysctlClockinfo("kern.clockrate")
if err != nil {
t.Fatal(err)
}
t.Logf("tick = %v, tickadj = %v, hz = %v, profhz = %v, stathz = %v",
ci.Tick, ci.Tickadj, ci.Hz, ci.Profhz, ci.Stathz)
}
func TestSysctlUvmexp(t *testing.T) {
uvm, err := unix.SysctlUvmexp("vm.uvmexp")
if err != nil {