test: skip IPC peer access tests when IPC is unavailable

cuda_core/tests/conftest.py

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright (c) 2024-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-FileCopyrightText: Copyright (c) 2024-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
 
 import multiprocessing
@@ -286,6 +286,20 @@ def mempool_device_x3():
     return _mempool_device_impl(3)
 
 
+@pytest.fixture
+def ipc_mempool_device_x2(mempool_device_x2):
+    """Fixture that provides two IPC-capable mempool devices, or skips."""
+    from helpers import IS_WSL, supports_ipc_mempool
+
+    if not all(device.properties.handle_type_posix_file_descriptor_supported for device in mempool_device_x2):
+        pytest.skip("Device does not support IPC")
+
+    if IS_WSL or not all(supports_ipc_mempool(device) for device in mempool_device_x2):
+        pytest.skip("Driver rejects IPC-enabled mempool creation on this platform")
+
+    return mempool_device_x2
+
+
 @pytest.fixture(
     params=[
         pytest.param((DeviceMemoryResource, DeviceMemoryResourceOptions), id="DeviceMR"),

cuda_core/tests/memory_ipc/test_peer_access.py

@@ -21,8 +21,8 @@ class TestPeerAccessNotPreservedOnImport:
     """
 
     @pytest.mark.flaky(reruns=2)
-    def test_main(self, mempool_device_x2):
-        dev0, dev1 = mempool_device_x2
+    def test_main(self, ipc_mempool_device_x2):
+        dev0, dev1 = ipc_mempool_device_x2
 
         # Parent Process - Create and Configure MR
         dev1.set_current()
@@ -61,8 +61,8 @@ class TestBufferPeerAccessAfterImport:
 
     @pytest.mark.flaky(reruns=2)
     @pytest.mark.parametrize("grant_access_in_parent", [True, False])
-    def test_main(self, mempool_device_x2, grant_access_in_parent):
-        dev0, dev1 = mempool_device_x2
+    def test_main(self, ipc_mempool_device_x2, grant_access_in_parent):
+        dev0, dev1 = ipc_mempool_device_x2
 
         # Parent Process - Create MR and Buffer
         dev1.set_current()