fix(cuda.core): correct sync policy mapping and document enum

Use CUsynchronizationPolicy when setting syncPolicy in the Python
_to_native_launch_config helper, and add SynchronizationPolicyType to
api_private.rst for docs consistency checks.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: 2 people

cuda_core/cuda/core/_launch_config.pyx

@@ -271,7 +271,9 @@ cpdef object _to_native_launch_config(LaunchConfig config):
     if config.synchronization_policy is not None:
         attr = driver.CUlaunchAttribute()
         attr.id = driver.CUlaunchAttributeID.CU_LAUNCH_ATTRIBUTE_SYNCHRONIZATION_POLICY
-        attr.value.syncPolicy = int(config.synchronization_policy)
+        attr.value.syncPolicy = driver.CUsynchronizationPolicy(
+            int(config.synchronization_policy)
+        )
         attrs.append(attr)
 
     drv_cfg.numAttrs = len(attrs)

cuda_core/docs/source/api_private.rst

@@ -35,6 +35,7 @@ CUDA runtime
    typing.ProcessStateType
    typing.ReadModeType
    typing.SourceCodeType
+   typing.SynchronizationPolicyType
    typing.VirtualMemoryAccessType
    typing.VirtualMemoryAllocationType
    typing.VirtualMemoryGranularityType