From de9705766a0404c63c89a552d2e321f4fa64b7ca Mon Sep 17 00:00:00 2001
From: Richard Kojedzinszky <richard@kojedz.in>
Date: Tue, 22 Oct 2024 10:38:14 +0200
Subject: [PATCH] feat(py-libzfs): drop lock from context manager

https://github.com/truenas/py-libzfs/issues/250
---
 .../files/patch-simple-context-manager        | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 nas_ports/devel/py-libzfs/files/patch-simple-context-manager

diff --git a/nas_ports/devel/py-libzfs/files/patch-simple-context-manager b/nas_ports/devel/py-libzfs/files/patch-simple-context-manager
new file mode 100644
index 0000000000000..a0cec886d4341
--- /dev/null
+++ b/nas_ports/devel/py-libzfs/files/patch-simple-context-manager
@@ -0,0 +1,40 @@
+diff --git libzfs.pyx libzfs.pyx
+index 6f9ac94..0b305df 100644
+--- libzfs.pyx
++++ libzfs.pyx
+@@ -21,7 +21,6 @@ from libc.stdlib cimport realloc
+ import errno as py_errno
+ import urllib.parse
+ 
+-GLOBAL_CONTEXT_LOCK = threading.Lock()
+ logger = logging.getLogger(__name__)
+ 
+ 
+@@ -519,24 +518,14 @@ cdef class ZFS(object):
+                 self.proptypes[t] = proptypes
+ 
+     def __enter__(self):
+-        GLOBAL_CONTEXT_LOCK.acquire()
+         return self
+ 
+     def __exit__(self, exc_type, value, traceback):
+-        self.__libzfs_fini()
+-        GLOBAL_CONTEXT_LOCK.release()
+-        if exc_type is not None:
+-            raise
+-
+-    def __libzfs_fini(self):
+-        if self.handle:
+-            with nogil:
+-                libzfs.libzfs_fini(self.handle)
+-
+-            self.handle = NULL
++        pass
+ 
+     def __dealloc__(self):
+-        ZFS.__libzfs_fini(self)
++        with nogil:
++            libzfs.libzfs_fini(self.handle)
+ 
+     def asdict(self):
+         return [p.asdict() for p in self.pools]