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unix: add IoctlCtlInfo on darwin

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For golang/go#41868

Change-Id: I0f4dbeacfe10b9614caf05633a1de3a98a1fc85f
Reviewed-on: https://go-review.googlesource.com/c/sys/+/262959
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matt Layher <mdlayher@gmail.com>
This commit is contained in:
Tobias Klauser
2020-10-16 12:55:47 +02:00
committed by Tobias Klauser
parent 98379d014c
commit eeed37f84f
12 changed files with 47 additions and 0 deletions
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2
unix/mkerrors.sh
View File

@@ -59,6 +59,7 @@ includes_Darwin='
#include <stdint.h>
#include <sys/attr.h>
#include <sys/clonefile.h>
#include <sys/kern_control.h>
#include <sys/types.h>
#include <sys/event.h>
#include <sys/ptrace.h>
@@ -519,6 +520,7 @@ ccflags="$@"
$2 ~ /^CAP_/ ||
$2 ~ /^CP_/ ||
$2 ~ /^CPUSTATES$/ ||
$2 ~ /^CTLIOCGINFO$/ ||
$2 ~ /^ALG_/ ||
$2 ~ /^FI(CLONE|DEDUPERANGE)/ ||
$2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE)/ ||

9
unix/mkpost.go
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@@ -94,6 +94,15 @@ func main() {
b = bytes.Replace(b, s, newNames, 1)
}
// Convert []int8 to []byte in ctl_info ioctl interface
convertCtlInfoName := regexp.MustCompile(`(Name)(\s+)\[(\d+)\]int8`)
ctlInfoType := regexp.MustCompile(`type CtlInfo struct {[^}]*}`)
ctlInfoStructs := ctlInfoType.FindAll(b, -1)
for _, s := range ctlInfoStructs {
newNames := convertCtlInfoName.ReplaceAll(s, []byte("$1$2[$3]byte"))
b = bytes.Replace(b, s, newNames, 1)
}
// Convert [1024]int8 to [1024]byte in Ptmget members
convertPtmget := regexp.MustCompile(`([SC]n)(\s+)\[(\d+)\]u?int8`)
b = convertPtmget.ReplaceAll(b, []byte("$1[$3]byte"))

7
unix/syscall_darwin.go
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@@ -13,6 +13,7 @@
package unix
import (
"runtime"
"syscall"
"unsafe"
)
@@ -257,6 +258,12 @@ func Kill(pid int, signum syscall.Signal) (err error) { return kill(pid, int(sig
//sys ioctl(fd int, req uint, arg uintptr) (err error)
func IoctlCtlInfo(fd int, ctlInfo *CtlInfo) error {
err := ioctl(fd, CTLIOCGINFO, uintptr(unsafe.Pointer(ctlInfo)))
runtime.KeepAlive(ctlInfo)
return err
}
//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS_SYSCTL
func Uname(uname *Utsname) error {

5
unix/types_darwin.go
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@@ -26,6 +26,7 @@ package unix
#include <mach/mach.h>
#include <mach/message.h>
#include <sys/event.h>
#include <sys/kern_control.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/param.h>
@@ -287,3 +288,7 @@ type Utsname C.struct_utsname
const SizeofClockinfo = C.sizeof_struct_clockinfo
type Clockinfo C.struct_clockinfo
// ctl_info
type CtlInfo C.struct_ctl_info

1
unix/zerrors_darwin_386.go
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@@ -251,6 +251,7 @@ const (
CSTOP = 0x13
CSTOPB = 0x400
CSUSP = 0x1a
CTLIOCGINFO = 0xc0644e03
CTL_HW = 0x6
CTL_KERN = 0x1
CTL_MAXNAME = 0xc

1
unix/zerrors_darwin_amd64.go
View File

@@ -251,6 +251,7 @@ const (
CSTOP = 0x13
CSTOPB = 0x400
CSUSP = 0x1a
CTLIOCGINFO = 0xc0644e03
CTL_HW = 0x6
CTL_KERN = 0x1
CTL_MAXNAME = 0xc

1
unix/zerrors_darwin_arm.go
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@@ -251,6 +251,7 @@ const (
CSTOP = 0x13
CSTOPB = 0x400
CSUSP = 0x1a
CTLIOCGINFO = 0xc0644e03
CTL_HW = 0x6
CTL_KERN = 0x1
CTL_MAXNAME = 0xc

1
unix/zerrors_darwin_arm64.go
View File

@@ -251,6 +251,7 @@ const (
CSTOP = 0x13
CSTOPB = 0x400
CSUSP = 0x1a
CTLIOCGINFO = 0xc0644e03
CTL_HW = 0x6
CTL_KERN = 0x1
CTL_MAXNAME = 0xc

5
unix/ztypes_darwin_386.go
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@@ -498,3 +498,8 @@ type Clockinfo struct {
Stathz int32
Profhz int32
}
type CtlInfo struct {
Id uint32
Name [96]byte
}

5
unix/ztypes_darwin_amd64.go
View File

@@ -503,3 +503,8 @@ type Clockinfo struct {
Stathz int32
Profhz int32
}
type CtlInfo struct {
Id uint32
Name [96]byte
}

5
unix/ztypes_darwin_arm.go
View File

@@ -498,3 +498,8 @@ type Clockinfo struct {
Stathz int32
Profhz int32
}
type CtlInfo struct {
Id uint32
Name [96]byte
}

5
unix/ztypes_darwin_arm64.go
View File

@@ -503,3 +503,8 @@ type Clockinfo struct {
Stathz int32
Profhz int32
}
type CtlInfo struct {
Id uint32
Name [96]byte
}