1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */ 2 /* 3 * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana 4 * University Research and Technology 5 * Corporation. All rights reserved. 6 * Copyright (c) 2004-2005 The University of Tennessee and The University 7 * of Tennessee Research Foundation. All rights 8 * reserved. 9 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 10 * University of Stuttgart. All rights reserved. 11 * Copyright (c) 2004-2005 The Regents of the University of California. 12 * All rights reserved. 13 * Copyright (c) 2013 Los Alamos National Security, LLC. All rights 14 * reserved. 15 * Copyright (c) 2015 Research Organization for Information Science 16 * and Technology (RIST). All rights reserved. 17 * Copyright (c) 2017 IBM Corporation. All rights reserved. 18 * $COPYRIGHT$ 19 * 20 * Additional copyrights may follow 21 * 22 * $HEADER$ 23 */ 24 25 #include "ompi_config.h" 26 27 #include "ompi/mpi/c/bindings.h" 28 #include "ompi/runtime/params.h" 29 #include "ompi/errhandler/errhandler.h" 30 #include "ompi/info/info.h" 31 #include "ompi/file/file.h" 32 #include "ompi/mca/io/io.h" 33 #include "ompi/mca/io/base/base.h" 34 35 #if OMPI_BUILD_MPI_PROFILING 36 #if OPAL_HAVE_WEAK_SYMBOLS 37 #pragma weak MPI_File_delete = PMPI_File_delete 38 #endif 39 #define MPI_File_delete PMPI_File_delete 40 #endif 41 42 static const char FUNC_NAME[] = "MPI_File_delete"; 43 44 45 int MPI_File_delete(const char *filename, MPI_Info info) 46 { 47 int rc; 48 49 if (MPI_PARAM_CHECK) { 50 rc = MPI_SUCCESS; 51 OMPI_ERR_INIT_FINALIZE(FUNC_NAME); 52 if (NULL == info || ompi_info_is_freed(info)) { 53 rc = MPI_ERR_INFO; 54 } else if (NULL == filename) { 55 rc = MPI_ERR_ARG; 56 } 57 OMPI_ERRHANDLER_CHECK(rc, MPI_FILE_NULL, rc, FUNC_NAME); 58 } 59 60 /* Note that MPI-2:9.7 (p265 in the ps; 261 in the pdf) says that 61 errors in MPI_FILE_OPEN (before the file handle is created) 62 should invoke the default error handler on MPI_FILE_NULL. 63 Hence, if we get a file handle out of ompi_file_open(), invoke 64 the error handler on that. If not, invoke the error handler on 65 MPI_FILE_NULL. */ 66 67 /* The io framework is only initialized lazily. If it hasn't 68 already been initialized, do so now (note that MPI_FILE_OPEN 69 and MPI_FILE_DELETE are the only two places that it will be 70 initialized). We might want to add a check to see if the 71 framework is open instead of just incrementing the open count. */ 72 73 if (OMPI_SUCCESS != (rc = mca_base_framework_open(&ompi_io_base_framework, 0))) { 74 return OMPI_ERRHANDLER_INVOKE(MPI_FILE_NULL, rc, FUNC_NAME); 75 } 76 77 OPAL_CR_ENTER_LIBRARY(); 78 79 /* Since there is no MPI_File handle associated with this 80 function, the MCA has to do a selection and perform the 81 action */ 82 rc = mca_io_base_delete(filename, &(info->super)); 83 OMPI_ERRHANDLER_RETURN(rc, MPI_FILE_NULL, rc, FUNC_NAME); 84 }