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unix: add Poll function on Darwin

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Tested with TestPoll extracted from syscall_linux_test.go. Once Poll is
supported on all OSes this test can be moved to syscall_unix_test.go.

Change-Id: Ia57e3a92e6a50cb22edde8a31e1c4e70d894dc4c
Reviewed-on: https://go-review.googlesource.com/73310
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Tobias Klauser
2017-10-25 14:20:02 +02:00
committed by Brad Fitzpatrick
parent e825973668
commit f0d39a4bd5
10 changed files with 150 additions and 3 deletions
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10
unix/syscall_darwin.go
View File

@@ -239,6 +239,15 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
return &value, err
}
//sys poll(fds *PollFd, nfds int, timeout int) (n int, err error)
func Poll(fds []PollFd, timeout int) (n int, err error) {
if len(fds) == 0 {
return poll(nil, 0, timeout)
}
return poll(&fds[0], len(fds), timeout)
}
/*
* Exposed directly
*/
@@ -377,7 +386,6 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
// Searchfs
// Delete
// Copyfile
// Poll
// Watchevent
// Waitevent
// Modwatch

18
unix/types_darwin.go
View File

@@ -19,6 +19,7 @@ package unix
#define _DARWIN_USE_64_BIT_INODE
#include <dirent.h>
#include <fcntl.h>
#include <poll.h>
#include <signal.h>
#include <termios.h>
#include <unistd.h>
@@ -252,3 +253,20 @@ const (
AT_SYMLINK_FOLLOW = C.AT_SYMLINK_FOLLOW
AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
)
// poll
type PollFd C.struct_pollfd
const (
POLLERR = C.POLLERR
POLLHUP = C.POLLHUP
POLLIN = C.POLLIN
POLLNVAL = C.POLLNVAL
POLLOUT = C.POLLOUT
POLLPRI = C.POLLPRI
POLLRDBAND = C.POLLRDBAND
POLLRDNORM = C.POLLRDNORM
POLLWRBAND = C.POLLWRBAND
POLLWRNORM = C.POLLWRNORM
)

11
unix/zsyscall_darwin_386.go
View File

@@ -408,6 +408,17 @@ func ioctl(fd int, req uint, arg uintptr) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func poll(fds *PollFd, nfds int, timeout int) (n int, err error) {
r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Access(path string, mode uint32) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)

11
unix/zsyscall_darwin_amd64.go
View File

@@ -408,6 +408,17 @@ func ioctl(fd int, req uint, arg uintptr) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func poll(fds *PollFd, nfds int, timeout int) (n int, err error) {
r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Access(path string, mode uint32) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)

11
unix/zsyscall_darwin_arm.go
View File

@@ -408,6 +408,17 @@ func ioctl(fd int, req uint, arg uintptr) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func poll(fds *PollFd, nfds int, timeout int) (n int, err error) {
r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Access(path string, mode uint32) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)

11
unix/zsyscall_darwin_arm64.go
View File

@@ -408,6 +408,17 @@ func ioctl(fd int, req uint, arg uintptr) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func poll(fds *PollFd, nfds int, timeout int) (n int, err error) {
r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout))
n = int(r0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Access(path string, mode uint32) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)

19
unix/ztypes_darwin_386.go
View File

@@ -460,3 +460,22 @@ const (
AT_SYMLINK_FOLLOW = 0x40
AT_SYMLINK_NOFOLLOW = 0x20
)
type PollFd struct {
Fd int32
Events int16
Revents int16
}
const (
POLLERR = 0x8
POLLHUP = 0x10
POLLIN = 0x1
POLLNVAL = 0x20
POLLOUT = 0x4
POLLPRI = 0x2
POLLRDBAND = 0x80
POLLRDNORM = 0x40
POLLWRBAND = 0x100
POLLWRNORM = 0x4
)

19
unix/ztypes_darwin_amd64.go
View File

@@ -470,3 +470,22 @@ const (
AT_SYMLINK_FOLLOW = 0x40
AT_SYMLINK_NOFOLLOW = 0x20
)
type PollFd struct {
Fd int32
Events int16
Revents int16
}
const (
POLLERR = 0x8
POLLHUP = 0x10
POLLIN = 0x1
POLLNVAL = 0x20
POLLOUT = 0x4
POLLPRI = 0x2
POLLRDBAND = 0x80
POLLRDNORM = 0x40
POLLWRBAND = 0x100
POLLWRNORM = 0x4
)

19
unix/ztypes_darwin_arm.go
View File

@@ -461,3 +461,22 @@ const (
AT_SYMLINK_FOLLOW = 0x40
AT_SYMLINK_NOFOLLOW = 0x20
)
type PollFd struct {
Fd int32
Events int16
Revents int16
}
const (
POLLERR = 0x8
POLLHUP = 0x10
POLLIN = 0x1
POLLNVAL = 0x20
POLLOUT = 0x4
POLLPRI = 0x2
POLLRDBAND = 0x80
POLLRDNORM = 0x40
POLLWRBAND = 0x100
POLLWRNORM = 0x4
)

24
unix/ztypes_darwin_arm64.go
View File

@@ -1,6 +1,7 @@
// cgo -godefs types_darwin.go | go run mkpost.go
// Code generated by the command above; see README.md. DO NOT EDIT.
// +build arm64,darwin
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types_darwin.go
package unix
@@ -469,3 +470,22 @@ const (
AT_SYMLINK_FOLLOW = 0x40
AT_SYMLINK_NOFOLLOW = 0x20
)
type PollFd struct {
Fd int32
Events int16
Revents int16
}
const (
POLLERR = 0x8
POLLHUP = 0x10
POLLIN = 0x1
POLLNVAL = 0x20
POLLOUT = 0x4
POLLPRI = 0x2
POLLRDBAND = 0x80
POLLRDNORM = 0x40
POLLWRBAND = 0x100
POLLWRNORM = 0x4
)