suppress 'interrupted [code -10]' log message. resolve #87 (#121)

Update Go & Ubuntu versions in GitHub CI workflows. Pass files through a new version of gofmt. Allow running CI workflow manually.

.github/test-coverage.sh

@@ -1,4 +1,4 @@
 #!/bin/sh
 echo 'mode: count' > coverage.merged &&\
-        go list -f '{{.Dir}}' ./... | xargs -n1 -I'{}' sh -c ': > coverage.tmp; go test -v -covermode=count -coverprofile=coverage.tmp {} && tail -n +2 coverage.tmp >> coverage.merged' &&\
+        go list -f '{{.Dir}}' ./... | xargs -I'{}' sh -c ': > coverage.tmp; go test -v -covermode=count -coverprofile=coverage.tmp {} && tail -n +2 coverage.tmp >> coverage.merged' &&\
         rm coverage.tmp

.github/workflows/build-and-test.yaml

@@ -1,13 +1,13 @@
 name: build-and-test
-on: [pull_request, push]
+on: [pull_request, push, workflow_dispatch]
 jobs:
   linux:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.17
+          go-version: 1.22
       - run: DIFF="$( find . -name '*.go' -print0 | xargs -0 gofmt -l )"; if [ -n "$DIFF" ]; then echo "Files not formatted, run gofmt:"; echo "$DIFF"; exit 1; fi
       - run: sudo apt-get install libusb-1.0-0-dev
       - run: go install golang.org/x/tools/cmd/cover@latest
@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.17
+          go-version: 1.22
       - uses: msys2/setup-msys2@v2
         with:
           install: |-

libusb.go

@@ -188,7 +188,10 @@ func (libusbImpl) handleEvents(c *libusbContext, done <-chan struct{}) {
 		default:
 		}
 		if errno := C.libusb_handle_events_timeout_completed((*C.libusb_context)(c), &tv, nil); errno < 0 {
-			log.Printf("handle_events: error: %s", Error(errno))
+			// handler can be interrupted by a signal and this doesn't indicate an error, we'll retry on the next loop iteration
+			if Error(errno) != ErrorInterrupted {
+				log.Printf("handle_events: error: %s", Error(errno))
+			}
 		}
 	}
 }

usb.go

@@ -16,7 +16,7 @@
 /*
 Package gousb provides an low-level interface to attached USB devices.
 
-A Short Tutorial
+# A Short Tutorial
 
 A Context manages all resources necessary for communicating with USB
 devices.
@@ -117,11 +117,10 @@ standard for control commands though, and many devices implement their custom co
 
 Control commands can be issued through Device.Control().
 
-See Also
+# See Also
 
 For more information about USB protocol and handling USB devices,
 see the excellent "USB in a nutshell" guide: http://www.beyondlogic.org/usbnutshell/
-
 */
 package gousb
 

usbid/describe.go

@@ -20,8 +20,9 @@
 // a reader.
 //
 // The bread and butter of this package are the following two functions:
-//   Describe - Pretty-print the vendor and product of a device descriptor
-//   Classify - Pretty-print the class/protocol info for a device/interface
+//
+//	Describe - Pretty-print the vendor and product of a device descriptor
+//	Classify - Pretty-print the class/protocol info for a device/interface
 package usbid
 
 import (

usbid/load_data.go

@@ -20,7 +20,8 @@ import "time"
 // LastUpdate stores the latest time that the library was updated.
 //
 // The baked-in data was last generated:
-//   2017-03-10 09:09:14.940548227 -0500 EST
+//
+//	2017-03-10 09:09:14.940548227 -0500 EST
 var LastUpdate = time.Unix(0, 1489154954940548227)
 
 const usbIDListData = `#