fix nvrtc error handling

Author: leofang

cuda_core/cuda/core/experimental/_program.py

@@ -63,13 +63,15 @@ def compile(self, target_type, options=(), name_expressions=(), logs=None):
             if name_expressions:
                 for n in name_expressions:
                     symbol_mapping[n] = handle_return(nvrtc.nvrtcGetLoweredName(
-                        self._handle, n.encode()))
+                        self._handle, n.encode()), handle=self._handle)
 
             if logs is not None:
-                logsize = handle_return(nvrtc.nvrtcGetProgramLogSize(self._handle))
+                logsize = handle_return(nvrtc.nvrtcGetProgramLogSize(self._handle),
+                                        handle=self._handle)
                 if logsize > 1:
                     log = b" " * logsize
-                    handle_return(nvrtc.nvrtcGetProgramLog(self._handle, log))
+                    handle_return(nvrtc.nvrtcGetProgramLog(self._handle, log),
+                                  handle=self._handle)
                     logs.write(log.decode())
 
             # TODO: handle jit_options for ptx?

cuda_core/cuda/core/experimental/_utils.py

@@ -42,12 +42,12 @@ def _check_error(error, handle=None):
     elif isinstance(error, nvrtc.nvrtcResult):
         if error == nvrtc.nvrtcResult.NVRTC_SUCCESS:
             return
-        assert handle is not None
-        _, logsize = nvrtc.nvrtcGetProgramLogSize(handle)
-        log = b" " * logsize
-        _ = nvrtc.nvrtcGetProgramLog(handle, log)
-        err = f"{error}: {nvrtc.nvrtcGetErrorString(error)[1].decode()}, " \
-              f"compilation log:\n\n{log.decode()}"
+        err = f"{error}: {nvrtc.nvrtcGetErrorString(error)[1].decode()}"
+        if handle is not None:
+            _, logsize = nvrtc.nvrtcGetProgramLogSize(handle)
+            log = b" " * logsize
+            _ = nvrtc.nvrtcGetProgramLog(handle, log)
+            err += f", compilation log:\n\n{log.decode()}"
         raise NVRTCError(err)
     else:
         raise RuntimeError('Unknown error type: {}'.format(error))