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Merge pull request #7 from DominicBreuker/fix-read-syscall
Fix errno 22 errors
This commit is contained in:
4
Makefile
4
Makefile
@@ -17,7 +17,7 @@ test:
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# Drops you into a shell in the development container and mounts the source code
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# You can edit to source on your host, then run go commans (e.g., `go test ./...`) inside the container
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dev:
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sh -c "if ! docker image ls | grep '$(DEV_IMAGE)'; then echo 'building dev image'; docker build -f $(DEV_DOCKERFILE) -t $(DEV_IMAGE) .; fi"
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sh -c "if ! docker image ls | grep '$(DEV_IMAGE)' | cut -d ':' -f1; then echo 'building dev image'; docker build -f $(DEV_DOCKERFILE) -t $(DEV_IMAGE) .; fi"
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docker run -it \
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--rm \
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-v $(PROJECT_DIR):/go/src/github.com/dominicbreuker/pspy \
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@@ -38,7 +38,7 @@ example:
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# builds one set of static binaries that should work on any system without dependencies, but are huge
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# builds another set of binaries that are as small as possible, but may not work
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build:
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sh -c "if ! docker image ls | grep '$(BUILD_IMAGE)'; then echo 'building build image'; docker build -f $(BUILD_DOCKERFILE) -t $(BUILD_IMAGE) .; fi"
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sh -c "if ! docker image ls | grep '$(BUILD_IMAGE)' | cut -d ':' -f1; then echo 'building build image'; docker build -f $(BUILD_DOCKERFILE) -t $(BUILD_IMAGE) .; fi"
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mkdir -p $(PROJECT_DIR)/bin
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docker run -it \
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@@ -17,7 +17,8 @@ const maximumWatchersFile = "/proc/sys/fs/inotify/max_user_watches"
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// set to -1 if the number cannot be determined
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var MaxWatchers int = -1
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const EventSize int = unix.SizeofInotifyEvent
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// sizeof(struct inotify_event) + NAME_MAX + 1
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const EventSize int = unix.SizeofInotifyEvent + 255 + 1
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func init() {
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mw, err := getMaxWatchers()
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@@ -71,7 +72,7 @@ func (i *Inotify) Watch(dir string) error {
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func (i *Inotify) Read(buf []byte) (int, error) {
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n, errno := unix.Read(i.FD, buf)
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if n < 0 {
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if n < 1 {
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return n, fmt.Errorf("reading from inotify fd %d: errno: %d", i.FD, errno)
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}
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return n, nil
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