Change the code to expect new to throw bad_alloc on error.

Author: oleksandr-pavlyk

dpctl/apis/include/dpctl4pybind11.hpp

@@ -27,6 +27,7 @@
 
 #include "dpctl_capi.h"
 #include <complex>
+#include <exception>
 #include <memory>
 #include <pybind11/pybind11.h>
 #include <sycl/sycl.hpp>
@@ -759,9 +760,6 @@ class usm_memory : public py::object
         auto const &api = ::dpctl::detail::dpctl_capi::get();
         DPCTLSyclUSMRef usm_ref = reinterpret_cast<DPCTLSyclUSMRef>(usm_ptr);
         sycl::queue *q_ptr = new sycl::queue(q);
-        if (!q_ptr) {
-            throw std::bad_alloc();
-        }
         DPCTLSyclQueueRef QRef = reinterpret_cast<DPCTLSyclQueueRef>(q_ptr);
 
         auto vacuous_destructor = []() {};
@@ -777,12 +775,17 @@ class usm_memory : public py::object
              0);
 
         if (is_ok) {
-            std::shared_ptr<void> *opaque_ptr =
-                new std::shared_ptr<void>(shptr);
-            if (!opaque_ptr) {
+            std::shared_ptr<void> *opaque_ptr = nullptr;
+            std::exception_ptr eptr;
+            try {
+                opaque_ptr = new std::shared_ptr<void>(shptr);
+            } catch (const std::exception &e) {
+                eptr = std::make_exception_ptr(e);
+            }
+            if (eptr) {
                 Py_DECREF(_memory);
                 delete q_ptr;
-                throw std::bad_alloc();
+                std::rethrow_exception(eptr);
             }
             Py_MemoryObject *memobj =
                 reinterpret_cast<Py_MemoryObject *>(_memory);