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invocation_wrapper: support non-POD types using placement new #115

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Merged
merged 1 commit into from
May 9, 2022
Merged

invocation_wrapper: support non-POD types using placement new #115

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16 changes: 11 additions & 5 deletions src/acl_context.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1014,11 +1014,15 @@ static void l_forcibly_release_allocations(cl_context context) {
}

if (context->invocation_wrapper) {
unsigned i;
for (i = 0; i < context->num_invocation_wrappers_allocated; i++) {
if (context->invocation_wrapper[i]->image->arg_value)
acl_delete_arr(context->invocation_wrapper[i]->image->arg_value);
acl_free(context->invocation_wrapper[i]);
for (unsigned int i = 0; i < context->num_invocation_wrappers_allocated;
i++) {
auto *const wrapper = context->invocation_wrapper[i];
if (wrapper->image->arg_value) {
acl_delete_arr(wrapper->image->arg_value);
}
// invoke non-default destructors of non-POD types, e.g., std::vector
wrapper->~acl_kernel_invocation_wrapper_t();
acl_free(wrapper);
}
acl_free(context->invocation_wrapper);
context->invocation_wrapper = 0;
Expand Down Expand Up @@ -1208,6 +1212,8 @@ l_init_kernel_invocation_wrapper(acl_kernel_invocation_wrapper_t *wrapper,
acl_assert_locked();

if (wrapper) {
// invoke non-default constructors of non-POD types, e.g., std::vector
new (wrapper) acl_kernel_invocation_wrapper_t{};
wrapper->id = i;
wrapper->image = &(wrapper->image_storage);
wrapper->image->arg_value = nullptr;
Expand Down