This source file includes following definitions.
- MPI_File_read_at_all
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22 #include "ompi_config.h"
23
24 #include "ompi/mpi/c/bindings.h"
25 #include "ompi/runtime/params.h"
26 #include "ompi/errhandler/errhandler.h"
27 #include "ompi/file/file.h"
28 #include "ompi/datatype/ompi_datatype.h"
29 #include "ompi/memchecker.h"
30
31 #if OMPI_BUILD_MPI_PROFILING
32 #if OPAL_HAVE_WEAK_SYMBOLS
33 #pragma weak MPI_File_read_at_all = PMPI_File_read_at_all
34 #endif
35 #define MPI_File_read_at_all PMPI_File_read_at_all
36 #endif
37
38 static const char FUNC_NAME[] = "MPI_File_read_at_all";
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40
41 int MPI_File_read_at_all(MPI_File fh, MPI_Offset offset, void *buf,
42 int count, MPI_Datatype datatype,
43 MPI_Status *status)
44 {
45 int rc;
46
47 MEMCHECKER(
48 memchecker_datatype(datatype);
49 );
50
51 if (MPI_PARAM_CHECK) {
52 rc = MPI_SUCCESS;
53 OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
54 if (ompi_file_invalid(fh)) {
55 fh = MPI_FILE_NULL;
56 rc = MPI_ERR_FILE;
57 } else if (count < 0) {
58 rc = MPI_ERR_COUNT;
59 } else {
60 OMPI_CHECK_DATATYPE_FOR_RECV(rc, datatype, count);
61 }
62 OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
63 }
64
65 OPAL_CR_ENTER_LIBRARY();
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68
69 switch (fh->f_io_version) {
70 case MCA_IO_BASE_V_2_0_0:
71 rc = fh->f_io_selected_module.v2_0_0.
72 io_module_file_read_at_all(fh, offset, buf, count, datatype,
73 status);
74 break;
75
76 default:
77 rc = MPI_ERR_INTERN;
78 break;
79 }
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83 OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
84 }