Fix calling Wait after process has been read

process/process.go

@@ -504,9 +504,6 @@ func (p *process) start() error {
 	// Start the reader
 	go p.reader()
 
-	// Wait for the process to finish
-	go p.waiter()
-
 	// Start the stale timeout if enabled
 	if p.stale.timeout != 0 {
 		var ctx context.Context
@@ -750,15 +747,18 @@ func (p *process) reader() {
 			p.stale.lock.Unlock()
 		}
 	}
+
+	if err := scanner.Err(); err != nil {
+		p.logger.Debug().WithError(err).Log("")
+	}
+
+	// Wait for the process to finish
+	p.waiter()
 }
 
 // waiter waits for the process to finish. If enabled, the process will
 // be scheduled for a restart.
 func (p *process) waiter() {
-	if p.getState() == stateFinishing {
-		p.stop(false)
-	}
-
 	if err := p.cmd.Wait(); err != nil {
 		// The process exited abnormally, i.e. the return code is non-zero or a signal
 		// has been raised.