From a5799b994fd05c3180f3426d1b767e35a88e9fea Mon Sep 17 00:00:00 2001
From: pattonw <pattonw@hhmi.org>
Date: Thu, 9 May 2024 14:21:33 -0700
Subject: [PATCH] fix daisy permanently hanging

In the case where the check function skips all blocks of a given task, `_recruit_workers` never got called and daisy would just hang
---
 daisy/server.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/daisy/server.py b/daisy/server.py
index 7f448432..0d3e1e65 100644
--- a/daisy/server.py
+++ b/daisy/server.py
@@ -149,6 +149,12 @@ def _handle_acquire_block(self, message):
                 )
 
                 self._send_client_message(message.stream, RequestShutdown())
+                # in the case that the scheduler skips all blocks for a task
+                # because that task has previously been recruited, we now
+                # have tasks available to start that will hang forever unless
+                # started now since no more blocks are available for the existing
+                # task and no workers are running.
+                self._recruit_workers()
 
                 return