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unix: add Uvmexp and SysctlUvmexp for NetBSD

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NetBSD has both struct uvmexp (used internally) and struct uvmexp_sysctl
(preferred for interfacing from user code). Expose the latter as type
Uvmexp with the same interface as on OpenBSD.

I am not sure if it makes sense to even have a name parameter for
SysctlUvmexp, since the only valid value can be "vm.uvmext2".

Change-Id: I40a743536c28e3fb7a54253768db35b1629fabfe
Reviewed-on: https://go-review.googlesource.com/c/sys/+/460156
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Benny Siegert <bsiegert@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Benny Siegert
2023-01-03 15:36:18 +00:00
committed by Benny Siegert
parent b751db56c7
commit b60007cc4e
7 changed files with 372 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
unix/syscall_netbsd.go
View File

@@ -110,6 +110,20 @@ func direntNamlen(buf []byte) (uint64, bool) {
return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
}
func SysctlUvmexp(name string) (*Uvmexp, error) {
mib, err := sysctlmib(name)
if err != nil {
return nil, err
}
n := uintptr(SizeofUvmexp)
var u Uvmexp
if err := sysctl(mib, (*byte)(unsafe.Pointer(&u)), &n, nil, 0); err != nil {
return nil, err
}
return &u, nil
}
func Pipe(p []int) (err error) {
return Pipe2(p, 0)
}

15
unix/sysctl_netbsd_test.go Normal file
View File

@@ -0,0 +1,15 @@
// Copyright 2023 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.
package unix
import "testing"
func TestSysctlUvmexp(t *testing.T) {
uvm, err := SysctlUvmexp("vm.uvmexp2")
if err != nil {
t.Fatal(err)
}
t.Logf("%#v", uvm)
}

7
unix/types_netbsd.go
View File

@@ -41,6 +41,7 @@ package unix
#include <sys/un.h>
#include <sys/utsname.h>
#include <sys/wait.h>
#include <uvm/uvm_extern.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_dl.h>
@@ -297,6 +298,12 @@ type Sysctlnode C.struct_sysctlnode
type Utsname C.struct_utsname
// Uvmexp
const SizeofUvmexp = C.sizeof_struct_uvmexp_sysctl
type Uvmexp C.struct_uvmexp_sysctl
// Clockinfo
const SizeofClockinfo = C.sizeof_struct_clockinfo

84
unix/ztypes_netbsd_386.go
View File

@@ -491,6 +491,90 @@ type Utsname struct {
Machine [256]byte
}
const SizeofUvmexp = 0x278
type Uvmexp struct {
Pagesize int64
Pagemask int64
Pageshift int64
Npages int64
Free int64
Active int64
Inactive int64
Paging int64
Wired int64
Zeropages int64
Reserve_pagedaemon int64
Reserve_kernel int64
Freemin int64
Freetarg int64
Inactarg int64
Wiredmax int64
Nswapdev int64
Swpages int64
Swpginuse int64
Swpgonly int64
Nswget int64
Unused1 int64
Cpuhit int64
Cpumiss int64
Faults int64
Traps int64
Intrs int64
Swtch int64
Softs int64
Syscalls int64
Pageins int64
Swapins int64
Swapouts int64
Pgswapin int64
Pgswapout int64
Forks int64
Forks_ppwait int64
Forks_sharevm int64
Pga_zerohit int64
Pga_zeromiss int64
Zeroaborts int64
Fltnoram int64
Fltnoanon int64
Fltpgwait int64
Fltpgrele int64
Fltrelck int64
Fltrelckok int64
Fltanget int64
Fltanretry int64
Fltamcopy int64
Fltnamap int64
Fltnomap int64
Fltlget int64
Fltget int64
Flt_anon int64
Flt_acow int64
Flt_obj int64
Flt_prcopy int64
Flt_przero int64
Pdwoke int64
Pdrevs int64
Unused4 int64
Pdfreed int64
Pdscans int64
Pdanscan int64
Pdobscan int64
Pdreact int64
Pdbusy int64
Pdpageouts int64
Pdpending int64
Pddeact int64
Anonpages int64
Filepages int64
Execpages int64
Colorhit int64
Colormiss int64
Ncolors int64
Bootpages int64
Poolpages int64
}
const SizeofClockinfo = 0x14
type Clockinfo struct {

84
unix/ztypes_netbsd_amd64.go
View File

@@ -499,6 +499,90 @@ type Utsname struct {
Machine [256]byte
}
const SizeofUvmexp = 0x278
type Uvmexp struct {
Pagesize int64
Pagemask int64
Pageshift int64
Npages int64
Free int64
Active int64
Inactive int64
Paging int64
Wired int64
Zeropages int64
Reserve_pagedaemon int64
Reserve_kernel int64
Freemin int64
Freetarg int64
Inactarg int64
Wiredmax int64
Nswapdev int64
Swpages int64
Swpginuse int64
Swpgonly int64
Nswget int64
Unused1 int64
Cpuhit int64
Cpumiss int64
Faults int64
Traps int64
Intrs int64
Swtch int64
Softs int64
Syscalls int64
Pageins int64
Swapins int64
Swapouts int64
Pgswapin int64
Pgswapout int64
Forks int64
Forks_ppwait int64
Forks_sharevm int64
Pga_zerohit int64
Pga_zeromiss int64
Zeroaborts int64
Fltnoram int64
Fltnoanon int64
Fltpgwait int64
Fltpgrele int64
Fltrelck int64
Fltrelckok int64
Fltanget int64
Fltanretry int64
Fltamcopy int64
Fltnamap int64
Fltnomap int64
Fltlget int64
Fltget int64
Flt_anon int64
Flt_acow int64
Flt_obj int64
Flt_prcopy int64
Flt_przero int64
Pdwoke int64
Pdrevs int64
Unused4 int64
Pdfreed int64
Pdscans int64
Pdanscan int64
Pdobscan int64
Pdreact int64
Pdbusy int64
Pdpageouts int64
Pdpending int64
Pddeact int64
Anonpages int64
Filepages int64
Execpages int64
Colorhit int64
Colormiss int64
Ncolors int64
Bootpages int64
Poolpages int64
}
const SizeofClockinfo = 0x14
type Clockinfo struct {

84
unix/ztypes_netbsd_arm.go
View File

@@ -496,6 +496,90 @@ type Utsname struct {
Machine [256]byte
}
const SizeofUvmexp = 0x278
type Uvmexp struct {
Pagesize int64
Pagemask int64
Pageshift int64
Npages int64
Free int64
Active int64
Inactive int64
Paging int64
Wired int64
Zeropages int64
Reserve_pagedaemon int64
Reserve_kernel int64
Freemin int64
Freetarg int64
Inactarg int64
Wiredmax int64
Nswapdev int64
Swpages int64
Swpginuse int64
Swpgonly int64
Nswget int64
Unused1 int64
Cpuhit int64
Cpumiss int64
Faults int64
Traps int64
Intrs int64
Swtch int64
Softs int64
Syscalls int64
Pageins int64
Swapins int64
Swapouts int64
Pgswapin int64
Pgswapout int64
Forks int64
Forks_ppwait int64
Forks_sharevm int64
Pga_zerohit int64
Pga_zeromiss int64
Zeroaborts int64
Fltnoram int64
Fltnoanon int64
Fltpgwait int64
Fltpgrele int64
Fltrelck int64
Fltrelckok int64
Fltanget int64
Fltanretry int64
Fltamcopy int64
Fltnamap int64
Fltnomap int64
Fltlget int64
Fltget int64
Flt_anon int64
Flt_acow int64
Flt_obj int64
Flt_prcopy int64
Flt_przero int64
Pdwoke int64
Pdrevs int64
Unused4 int64
Pdfreed int64
Pdscans int64
Pdanscan int64
Pdobscan int64
Pdreact int64
Pdbusy int64
Pdpageouts int64
Pdpending int64
Pddeact int64
Anonpages int64
Filepages int64
Execpages int64
Colorhit int64
Colormiss int64
Ncolors int64
Bootpages int64
Poolpages int64
}
const SizeofClockinfo = 0x14
type Clockinfo struct {

84
unix/ztypes_netbsd_arm64.go
View File

@@ -499,6 +499,90 @@ type Utsname struct {
Machine [256]byte
}
const SizeofUvmexp = 0x278
type Uvmexp struct {
Pagesize int64
Pagemask int64
Pageshift int64
Npages int64
Free int64
Active int64
Inactive int64
Paging int64
Wired int64
Zeropages int64
Reserve_pagedaemon int64
Reserve_kernel int64
Freemin int64
Freetarg int64
Inactarg int64
Wiredmax int64
Nswapdev int64
Swpages int64
Swpginuse int64
Swpgonly int64
Nswget int64
Unused1 int64
Cpuhit int64
Cpumiss int64
Faults int64
Traps int64
Intrs int64
Swtch int64
Softs int64
Syscalls int64
Pageins int64
Swapins int64
Swapouts int64
Pgswapin int64
Pgswapout int64
Forks int64
Forks_ppwait int64
Forks_sharevm int64
Pga_zerohit int64
Pga_zeromiss int64
Zeroaborts int64
Fltnoram int64
Fltnoanon int64
Fltpgwait int64
Fltpgrele int64
Fltrelck int64
Fltrelckok int64
Fltanget int64
Fltanretry int64
Fltamcopy int64
Fltnamap int64
Fltnomap int64
Fltlget int64
Fltget int64
Flt_anon int64
Flt_acow int64
Flt_obj int64
Flt_prcopy int64
Flt_przero int64
Pdwoke int64
Pdrevs int64
Unused4 int64
Pdfreed int64
Pdscans int64
Pdanscan int64
Pdobscan int64
Pdreact int64
Pdbusy int64
Pdpageouts int64
Pdpending int64
Pddeact int64
Anonpages int64
Filepages int64
Execpages int64
Colorhit int64
Colormiss int64
Ncolors int64
Bootpages int64
Poolpages int64
}
const SizeofClockinfo = 0x14
type Clockinfo struct {