1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
2 /*
3 *
4 * Copyright (C) 1997 University of Chicago.
5 * See COPYRIGHT notice in top-level directory.
6 */
7
8 #include "mpioimpl.h"
9
10 #ifdef HAVE_WEAK_SYMBOLS
11
12 #if defined(HAVE_PRAGMA_WEAK)
13 #pragma weak MPI_File_iwrite_at = PMPI_File_iwrite_at
14 #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
15 #pragma _HP_SECONDARY_DEF PMPI_File_iwrite_at MPI_File_iwrite_at
16 #elif defined(HAVE_PRAGMA_CRI_DUP)
17 #pragma _CRI duplicate MPI_File_iwrite_at as PMPI_File_iwrite_at
18 /* end of weak pragmas */
19 #elif defined(HAVE_WEAK_ATTRIBUTE)
20 int MPI_File_iwrite_at(MPI_File fh, MPI_Offset offset, const void *buf, int count,
21 MPI_Datatype datatype, MPIO_Request *request)
22 __attribute__((weak,alias("PMPI_File_iwrite_at")));
23 #endif
24
25 /* Include mapping from MPI->PMPI */
26 #define MPIO_BUILD_PROFILING
27 #include "mpioprof.h"
28 #endif
29
30 /*@
31 MPI_File_iwrite_at - Nonblocking write using explicit offset
32
33 Input Parameters:
34 . fh - file handle (handle)
35 . offset - file offset (nonnegative integer)
36 . buf - initial address of buffer (choice)
37 . count - number of elements in buffer (nonnegative integer)
38 . datatype - datatype of each buffer element (handle)
39
40 Output Parameters:
41 . request - request object (handle)
42
43 .N fortran
44 @*/
45 #ifdef HAVE_MPI_GREQUEST
46 #include "mpiu_greq.h"
47 #endif
48
MPI_File_iwrite_at(MPI_File fh,MPI_Offset offset,ROMIO_CONST void * buf,int count,MPI_Datatype datatype,MPIO_Request * request)49 int MPI_File_iwrite_at(MPI_File fh, MPI_Offset offset, ROMIO_CONST void *buf,
50 int count, MPI_Datatype datatype,
51 MPIO_Request *request)
52 {
53 int error_code;
54 ADIO_File adio_fh;
55 static char myname[] = "MPI_FILE_IWRITE_AT";
56
57 #ifdef MPI_hpux
58 int fl_xmpi;
59
60 HPMP_IO_START(fl_xmpi, BLKMPIFILEIWRITEAT, TRDTSYSTEM,
61 fh, datatype, count);
62 #endif /* MPI_hpux */
63
64
65 adio_fh = MPIO_File_resolve(fh);
66
67 error_code = MPIOI_File_iwrite(adio_fh, offset, ADIO_EXPLICIT_OFFSET, buf,
68 count, datatype, myname, request);
69
70 /* --BEGIN ERROR HANDLING-- */
71 if (error_code != MPI_SUCCESS)
72 error_code = MPIO_Err_return_file(adio_fh, error_code);
73 /* --END ERROR HANDLING-- */
74
75 #ifdef MPI_hpux
76 HPMP_IO_END(fl_xmpi, fh, datatype, count)
77 #endif /* MPI_hpux */
78
79 return error_code;
80 }
81