xref: /libCEED/rust/libceed-sys/c-src/backends/blocked/ceed-blocked.c (revision 49aac155e7a09736f56fb3abac0f57dab29f7cbf)
13d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
23d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
34a2e7687Sjeremylt //
43d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
54a2e7687Sjeremylt //
63d8e8822SJeremy L Thompson // This file is part of CEED:  http://github.com/ceed
74a2e7687Sjeremylt 
82b730f8bSJeremy L Thompson #include "ceed-blocked.h"
92b730f8bSJeremy L Thompson 
10*49aac155SJeremy L Thompson #include <ceed.h>
11ec3da8bcSJed Brown #include <ceed/backend.h>
123d576824SJeremy L Thompson #include <stdbool.h>
133d576824SJeremy L Thompson #include <string.h>
144a2e7687Sjeremylt 
15f10650afSjeremylt //------------------------------------------------------------------------------
16f10650afSjeremylt // Backend Init
17f10650afSjeremylt //------------------------------------------------------------------------------
181d013790SJed Brown CEED_INTERN int CeedInit_Blocked(const char *resource, Ceed ceed) {
192b730f8bSJeremy L Thompson   if (strcmp(resource, "/cpu/self") && strcmp(resource, "/cpu/self/ref/blocked")) {
20c042f62fSJeremy L Thompson     // LCOV_EXCL_START
212b730f8bSJeremy L Thompson     return CeedError(ceed, CEED_ERROR_BACKEND, "Blocked backend cannot use resource: %s", resource);
22c042f62fSJeremy L Thompson     // LCOV_EXCL_STOP
232b730f8bSJeremy L Thompson   }
242b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetDeterministic(ceed, true));
254a2e7687Sjeremylt 
26ea61e9acSJeremy L Thompson   // Create reference Ceed that implementation will be dispatched through unless overridden
27d1d35e2fSjeremylt   Ceed ceed_ref;
282b730f8bSJeremy L Thompson   CeedCallBackend(CeedInit("/cpu/self/ref/serial", &ceed_ref));
292b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetDelegate(ceed, ceed_ref));
304a2e7687Sjeremylt 
31ea61e9acSJeremy L Thompson   // Set fallback Ceed resource for advanced operator functionality
32e2f04181SAndrew T. Barker   const char fallbackresource[] = "/cpu/self/ref/serial";
332b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetOperatorFallbackResource(ceed, fallbackresource));
34e2f04181SAndrew T. Barker 
352b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Blocked));
364a2e7687Sjeremylt 
37e15f9bd0SJeremy L Thompson   return CEED_ERROR_SUCCESS;
384a2e7687Sjeremylt }
394a2e7687Sjeremylt 
40f10650afSjeremylt //------------------------------------------------------------------------------
41f10650afSjeremylt // Backend Register
42f10650afSjeremylt //------------------------------------------------------------------------------
432b730f8bSJeremy L Thompson CEED_INTERN int CeedRegister_Ref_Blocked(void) { return CeedRegister("/cpu/self/ref/blocked", CeedInit_Blocked, 55); }
44f10650afSjeremylt //------------------------------------------------------------------------------
45