1 files changed, 88 insertions, 0 deletions
diff --git a/vendor/bundle/ruby/3.4.0/gems/rb-inotify-0.11.1/lib/rb-inotify/watcher.rb b/vendor/bundle/ruby/3.4.0/gems/rb-inotify-0.11.1/lib/rb-inotify/watcher.rb
new file mode 100644
index 0000000..1205e2d
--- /dev/null
+++ b/vendor/bundle/ruby/3.4.0/gems/rb-inotify-0.11.1/lib/rb-inotify/watcher.rb
@@ -0,0 +1,88 @@
+module INotify
+  # Watchers monitor a single path for changes,
+  # specified by {INotify::Notifier#watch event flags}.
+  # A watcher is usually created via \{Notifier#watch}.
+  #
+  # One {Notifier} may have many {Watcher}s.
+  # The Notifier actually takes care of the checking for events,
+  # via \{Notifier#run #run} or \{Notifier#process #process}.
+  # The main purpose of having Watcher objects
+  # is to be able to disable them using \{#close}.
+  class Watcher
+    # The {Notifier} that this Watcher belongs to.
+    #
+    # @return [Notifier]
+    attr_reader :notifier
+
+    # The path that this Watcher is watching.
+    #
+    # @return [String]
+    attr_reader :path
+
+    # The {INotify::Notifier#watch flags}
+    # specifying the events that this Watcher is watching for,
+    # and potentially some options as well.
+    #
+    # @return [Array<Symbol>]
+    attr_reader :flags
+
+    # The id for this Watcher.
+    # Used to retrieve this Watcher from {Notifier#watchers}.
+    #
+    # @private
+    # @return [Fixnum]
+    attr_reader :id
+
+    # Calls this Watcher's callback with the given {Event}.
+    #
+    # @private
+    # @param event [Event]
+    def callback!(event)
+      @callback[event]
+    end
+
+    # Disables this Watcher, so that it doesn't fire any more events.
+    #
+    # @raise [SystemCallError] if the watch fails to be disabled for some reason
+    def close
+      if Native.inotify_rm_watch(@notifier.fd, @id) == 0
+        @notifier.watchers.delete(@id)
+        return
+      end
+
+      raise SystemCallError.new("Failed to stop watching #{path.inspect}",
+                                FFI.errno)
+    end
+
+    # Creates a new {Watcher}.
+    #
+    # @private
+    # @see Notifier#watch
+    def initialize(notifier, path, *flags, &callback)
+      @notifier = notifier
+      @callback = callback || proc {}
+      @path = path
+      @flags = flags.freeze
+      @id = Native.inotify_add_watch(@notifier.fd, path.dup,
+        Native::Flags.to_mask(flags))
+
+      unless @id < 0
+        @notifier.watchers[@id] = self
+        return
+      end
+
+      raise SystemCallError.new(
+        "Failed to watch #{path.inspect}" +
+        case FFI.errno
+        when Errno::EACCES::Errno; ": read access to the given file is not permitted."
+        when Errno::EBADF::Errno; ": the given file descriptor is not valid."
+        when Errno::EFAULT::Errno; ": path points outside of the process's accessible address space."
+        when Errno::EINVAL::Errno; ": the given event mask contains no legal events; or fd is not an inotify file descriptor."
+        when Errno::ENOMEM::Errno; ": insufficient kernel memory was available."
+        when Errno::ENOSPC::Errno; ": The user limit on the total number of inotify watches was reached or the kernel failed to allocate a needed resource."
+        else; ""
+        end,
+        FFI.errno)
+    end
+  end
+end