From 3e14837c1c711f70a7d8373213f24b95e0bab3ca Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C3=A9ter=20Szil=C3=A1gyi?= Date: Mon, 21 Aug 2017 13:45:50 +0300 Subject: [PATCH] vendor: update USB HID lib (fix macOS crash) --- vendor/github.com/karalabe/hid/README.md | 6 ++++++ vendor/github.com/karalabe/hid/appveyor.yml | 1 + vendor/github.com/karalabe/hid/hid.go | 2 +- vendor/github.com/karalabe/hid/hid_disabled.go | 2 +- vendor/github.com/karalabe/hid/hid_enabled.go | 14 +++++++++++++- vendor/vendor.json | 6 +++--- 6 files changed, 25 insertions(+), 6 deletions(-) diff --git a/vendor/github.com/karalabe/hid/README.md b/vendor/github.com/karalabe/hid/README.md index 5c0213f3b..2851ffe42 100644 --- a/vendor/github.com/karalabe/hid/README.md +++ b/vendor/github.com/karalabe/hid/README.md @@ -24,6 +24,12 @@ and go-gettable. Supported platforms at the moment are Linux, macOS and Windows (exclude constraints are also specified for Android and iOS to allow smoother vendoring into cross platform projects). +## Cross-compiling + +Using `go get` the embedded C library is compiled into the binary format of your host OS. Cross compiling to a different platform or architecture entails disabling CGO by default in Go, causing device enumeration `hid.Enumerate()` to yield no results. + +To cross compile a functional version of this library, you'll need to enable CGO during cross compilation via `CGO_ENABLED=1` and you'll need to install and set a cross compilation enabled C toolkit via `CC=your-cross-gcc`. + ## Acknowledgements Although the `hid` package is an implementation from scratch, it was heavily inspired by the existing diff --git a/vendor/github.com/karalabe/hid/appveyor.yml b/vendor/github.com/karalabe/hid/appveyor.yml index 34623ddb0..f43958747 100644 --- a/vendor/github.com/karalabe/hid/appveyor.yml +++ b/vendor/github.com/karalabe/hid/appveyor.yml @@ -29,3 +29,4 @@ install: build_script: - go install ./... + - go test -v ./... diff --git a/vendor/github.com/karalabe/hid/hid.go b/vendor/github.com/karalabe/hid/hid.go index be75f949d..60a40b8c2 100644 --- a/vendor/github.com/karalabe/hid/hid.go +++ b/vendor/github.com/karalabe/hid/hid.go @@ -2,7 +2,7 @@ // Copyright (c) 2017 Péter Szilágyi. All rights reserved. // // This file is released under the 3-clause BSD license. Note however that Linux -// support depends on libusb, released under GNU GPL 2.1 or later. +// support depends on libusb, released under GNU LGPL 2.1 or later. // Package hid provides an interface for USB HID devices. package hid diff --git a/vendor/github.com/karalabe/hid/hid_disabled.go b/vendor/github.com/karalabe/hid/hid_disabled.go index d8ecc9d5a..1f4026379 100644 --- a/vendor/github.com/karalabe/hid/hid_disabled.go +++ b/vendor/github.com/karalabe/hid/hid_disabled.go @@ -2,7 +2,7 @@ // Copyright (c) 2017 Péter Szilágyi. All rights reserved. // // This file is released under the 3-clause BSD license. Note however that Linux -// support depends on libusb, released under GNU GPL 2.1 or later. +// support depends on libusb, released under GNU LGPL 2.1 or later. // +build !linux,!darwin,!windows ios !cgo diff --git a/vendor/github.com/karalabe/hid/hid_enabled.go b/vendor/github.com/karalabe/hid/hid_enabled.go index 3ceecce0d..419273be6 100644 --- a/vendor/github.com/karalabe/hid/hid_enabled.go +++ b/vendor/github.com/karalabe/hid/hid_enabled.go @@ -2,7 +2,7 @@ // Copyright (c) 2017 Péter Szilágyi. All rights reserved. // // This file is released under the 3-clause BSD license. Note however that Linux -// support depends on libusb, released under GNU GPL 2.1 or later. +// support depends on libusb, released under LGNU GPL 2.1 or later. // +build linux,cgo darwin,!ios,cgo windows,cgo @@ -48,6 +48,15 @@ import ( "unsafe" ) +// enumerateLock is a mutex serializing access to USB device enumeration needed +// by the macOS USB HID system calls, which require 2 consecutive method calls +// for enumeration, causing crashes if called concurrently. +// +// For more details, see: +// https://developer.apple.com/documentation/iokit/1438371-iohidmanagersetdevicematching +// > "subsequent calls will cause the hid manager to release previously enumerated devices" +var enumerateLock sync.Mutex + func init() { // Initialize the HIDAPI library C.hid_init() @@ -66,6 +75,9 @@ func Supported() bool { // - If the product id is set to 0 then any product matches. // - If the vendor and product id are both 0, all HID devices are returned. func Enumerate(vendorID uint16, productID uint16) []DeviceInfo { + enumerateLock.Lock() + defer enumerateLock.Unlock() + // Gather all device infos and ensure they are freed before returning head := C.hid_enumerate(C.ushort(vendorID), C.ushort(productID)) if head == nil { diff --git a/vendor/vendor.json b/vendor/vendor.json index 8be10b94f..9764a4783 100644 --- a/vendor/vendor.json +++ b/vendor/vendor.json @@ -183,10 +183,10 @@ "revisionTime": "2016-06-03T03:41:37Z" }, { - "checksumSHA1": "sGdhjz2N/DpfiZrMnHSzl2H/YX8=", + "checksumSHA1": "UpjhOUZ1+0zNt+iIvdtECSHXmTs=", "path": "github.com/karalabe/hid", - "revision": "875879887cf0560a993b57e04615944e1dd02a73", - "revisionTime": "2017-02-27T10:57:12Z", + "revision": "f00545f9f3748e591590be3732d913c77525b10f", + "revisionTime": "2017-08-21T10:38:37Z", "tree": true }, {