From a785d8d860cd69c7d1b7e8d2d1fa0fa1461cd6e5 Mon Sep 17 00:00:00 2001
From: Edoardo Vacchi <evacchi@users.noreply.github.com>
Date: Wed, 26 Jul 2023 16:34:06 +0200
Subject: [PATCH] formatting

Signed-off-by: Edoardo Vacchi <evacchi@users.noreply.github.com>
---
 internal/sysfs/osfile.go      | 16 +++-------------
 internal/sysfs/poll_darwin.go | 34 +++-------------------------------
 internal/sysfs/poll_linux.go  | 22 +---------------------
 3 files changed, 7 insertions(+), 65 deletions(-)

diff --git a/internal/sysfs/osfile.go b/internal/sysfs/osfile.go
index 48c98a284a8..31b7f6917ea 100644
--- a/internal/sysfs/osfile.go
+++ b/internal/sysfs/osfile.go
@@ -183,22 +183,12 @@ func (f *osFile) Seek(offset int64, whence int) (newOffset int64, errno experime
 
 // PollRead implements the same method as documented on fsapi.File
 func (f *osFile) PollRead(timeout *time.Duration) (ready bool, errno experimentalsys.Errno) {
-	// fdSet := platform.FdSet{}
-	// fd := int(f.fd)
-	// fdSet.Set(fd)
-	// nfds := fd + 1 // See https://man7.org/linux/man-pages/man2/select.2.html#:~:text=condition%20has%20occurred.-,nfds,-This%20argument%20should
-	// count, err := _select(nfds, &fdSet, nil, nil, timeout)
-	fds := PollFd{
+	fds := []PollFd{{
 		fd:      int32(f.fd),
 		events:  _POLLIN,
 		revents: 0,
-	}
-
-	count, errno := Poll([]PollFd{fds}, timeout)
-	//if errno = experimentalsys.UnwrapOSError(err); errno != 0 {
-	//	// Defer validation overhead until we've already had an error.
-	//	errno = fileError(f, f.closed, errno)
-	//}
+	}}
+	count, errno := Poll(fds, timeout)
 	return count > 0, errno
 }
 
diff --git a/internal/sysfs/poll_darwin.go b/internal/sysfs/poll_darwin.go
index 01fb731722b..6881101f87b 100644
--- a/internal/sysfs/poll_darwin.go
+++ b/internal/sysfs/poll_darwin.go
@@ -7,35 +7,8 @@ import (
 )
 
 const (
-	_POLLIN     = 0x0001   /* any readable data available */
-	_POLLPRI    = 0x0002   /* OOB/Urgent readable data */
-	_POLLOUT    = 0x0004   /* file descriptor is writeable */
-	_POLLRDNORM = 0x0040   /* non-OOB/URG data available */
-	_POLLWRNORM = _POLLOUT /* no write type differentiation */
-	_POLLRDBAND = 0x0080   /* OOB/Urgent readable data */
-	_POLLWRBAND = 0x0100 /* OOB/Urgent data can be written */)
-
-//
-///*
-// * FreeBSD extensions: polling on a regular file might return one
-// * of these events (currently only supported on local filesystems).
-// */
-//const (
-//	_POLLEXTEND = 0x0200 /* file may have been extended */
-//	_POLLATTRIB = 0x0400 /* file attributes may have changed */
-//	_POLLNLINK  = 0x0800 /* (un)link/rename may have happened */
-//	_POLLWRITE  = 0x1000 /* file's contents may have changed */)
-
-///*
-// * These events are set if they occur regardless of whether they were
-// * requested.
-// */
-//const (
-//	_POLLERR  = 0x0008 /* some poll error occurred */
-//	_POLLHUP  = 0x0010 /* file descriptor was "hung up" */
-//	_POLLNVAL = 0x0020 /* requested events "invalid" */)
-//
-//const _POLLSTANDARD = (_POLLIN | _POLLPRI | _POLLOUT | _POLLRDNORM | _POLLRDBAND | _POLLWRBAND | _POLLERR | _POLLHUP | _POLLNVAL)
+	_POLLIN = 0x0001 /* any readable data available */
+)
 
 func poll(fds []PollFd, timeout int) (n int, err sys.Errno) {
 	nilptr := unsafe.Pointer(nil)
@@ -45,7 +18,6 @@ func poll(fds []PollFd, timeout int) (n int, err sys.Errno) {
 	}
 	n1, _, errno := syscall_syscall6(
 		libc_poll_trampoline_addr,
-		// 417,
 		uintptr(fdptr),
 		uintptr(len(fds)),
 		uintptr(timeout),
@@ -61,7 +33,7 @@ func poll(fds []PollFd, timeout int) (n int, err sys.Errno) {
 // We use this to invoke the syscall through syscall_syscall6 imported below.
 var libc_poll_trampoline_addr uintptr
 
-// Imports the select symbol from libc as `libc_select`.
+// Imports the select symbol from libc as `libc_poll`.
 //
 // Note: CGO mechanisms are used in darwin regardless of the CGO_ENABLED value
 // or the "cgo" build flag. See /RATIONALE.md for why.
diff --git a/internal/sysfs/poll_linux.go b/internal/sysfs/poll_linux.go
index b550b12634b..83ecd7c4311 100644
--- a/internal/sysfs/poll_linux.go
+++ b/internal/sysfs/poll_linux.go
@@ -9,29 +9,9 @@ import (
 
 /* These are specified by iBCS2 */
 const (
-	_POLLIN   = 0x0001
-	_POLLPRI  = 0x0002
-	_POLLOUT  = 0x0004
-	_POLLERR  = 0x0008
-	_POLLHUP  = 0x0010
-	_POLLNVAL = 0x0020
+	_POLLIN = 0x0001
 )
 
-/* The rest seem to be more-or-less nonstandard. Check them! */
-const (
-	_POLLRDNORM = 0x0040
-	_POLLRDBAND = 0x0080
-	_POLLWRNORM = 0x0100
-	_POLLWRBAND = 0x0200
-	_POLLMSG    = 0x0400
-	_POLLREMOVE = 0x1000
-	_POLLRDHUP  = 0x2000
-)
-
-const _POLLFREE = 0x4000 /* currently only for epoll */
-
-const _POLL_BUSY_LOOP = 0x8000
-
 const (
 	_NSIG       = 64
 	_NSIG_BPW   = 32