From: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: Sat, 14 Mar 2020 12:07:02 +0000 (+1300)
Subject: Added PGconn.backend_pid
X-Git-Tag: 3.0.dev0~719
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=66a5b6ff4cf086a8e6965f1979559358c2424da1;p=thirdparty%2Fpsycopg.git

Added PGconn.backend_pid
---

diff --git a/psycopg3/_pq_ctypes.py b/psycopg3/_pq_ctypes.py
index d0caa5f90..6fcac5184 100644
--- a/psycopg3/_pq_ctypes.py
+++ b/psycopg3/_pq_ctypes.py
@@ -157,6 +157,10 @@ PQsocket = pq.PQsocket
 PQsocket.argtypes = [PGconn_ptr]
 PQsocket.restype = c_int
 
+PQbackendPID = pq.PQbackendPID
+PQbackendPID.argtypes = [PGconn_ptr]
+PQbackendPID.restype = c_int
+
 
 # 33.11. Miscellaneous Functions
 
diff --git a/psycopg3/pq_ctypes.py b/psycopg3/pq_ctypes.py
index 7aa0c7741..77448a220 100644
--- a/psycopg3/pq_ctypes.py
+++ b/psycopg3/pq_ctypes.py
@@ -189,6 +189,10 @@ class PGconn:
     def socket(self):
         return impl.PQsocket(self.pgconn_ptr)
 
+    @property
+    def backend_pid(self):
+        return impl.PQbackendPID(self.pgconn_ptr)
+
     def _encode(self, s):
         if isinstance(s, bytes):
             return s
diff --git a/tests/test_pq.py b/tests/test_pq.py
index 096660293..9a4e5a76c 100644
--- a/tests/test_pq.py
+++ b/tests/test_pq.py
@@ -187,3 +187,7 @@ def test_protocol_version(pgconn):
 
 def test_server_version(pgconn):
     assert pgconn.server_version >= 90400
+
+
+def test_backend_pid(pgconn):
+    assert 2 <= pgconn.backend_pid <= 65535  # Unless increased in kernel?