This source file includes following definitions.
- MPI_File_read_all
- MPIOI_File_read_all
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7 #include "mpioimpl.h"
8
9 #ifdef HAVE_WEAK_SYMBOLS
10
11 #if defined(HAVE_PRAGMA_WEAK)
12 #pragma weak MPI_File_read_all = PMPI_File_read_all
13 #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
14 #pragma _HP_SECONDARY_DEF PMPI_File_read_all MPI_File_read_all
15 #elif defined(HAVE_PRAGMA_CRI_DUP)
16 #pragma _CRI duplicate MPI_File_read_all as PMPI_File_read_all
17
18 #elif defined(HAVE_WEAK_ATTRIBUTE)
19 int MPI_File_read_all(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status)
20 __attribute__((weak,alias("PMPI_File_read_all")));
21 #endif
22
23
24 #define MPIO_BUILD_PROFILING
25 #include "mpioprof.h"
26 #endif
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44 int MPI_File_read_all(MPI_File fh, void *buf, int count,
45 MPI_Datatype datatype, MPI_Status *status)
46 {
47 int error_code;
48 static char myname[] = "MPI_FILE_READ_ALL";
49 #ifdef MPI_hpux
50 int fl_xmpi;
51
52 HPMP_IO_START(fl_xmpi, BLKMPIFILEREADALL, TRDTBLOCK, fh, datatype, count);
53 #endif
54
55 error_code = MPIOI_File_read_all(fh, (MPI_Offset) 0,
56 ADIO_INDIVIDUAL, buf,
57 count, datatype, myname, status);
58
59 #ifdef MPI_hpux
60 HPMP_IO_END(fl_xmpi, fh, datatype, count);
61 #endif
62
63 return error_code;
64 }
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67
68 #ifdef MPIO_BUILD_PROFILING
69 int MPIOI_File_read_all(MPI_File fh,
70 MPI_Offset offset,
71 int file_ptr_type,
72 void *buf,
73 int count,
74 MPI_Datatype datatype,
75 char *myname,
76 MPI_Status *status)
77 {
78 int error_code;
79 MPI_Count datatype_size;
80 ADIO_File adio_fh;
81 void *xbuf=NULL, *e32_buf=NULL;
82
83 ROMIO_THREAD_CS_ENTER();
84
85 adio_fh = MPIO_File_resolve(fh);
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88 MPIO_CHECK_FILE_HANDLE(adio_fh, myname, error_code);
89 MPIO_CHECK_COUNT(adio_fh, count, myname, error_code);
90 MPIO_CHECK_DATATYPE(adio_fh, datatype, myname, error_code);
91
92 if (file_ptr_type == ADIO_EXPLICIT_OFFSET && offset < 0)
93 {
94 error_code = MPIO_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE,
95 myname, __LINE__, MPI_ERR_ARG,
96 "**iobadoffset", 0);
97 error_code = MPIO_Err_return_file(adio_fh, error_code);
98 goto fn_exit;
99 }
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102 MPI_Type_size_x(datatype, &datatype_size);
103
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105 MPIO_CHECK_INTEGRAL_ETYPE(adio_fh, count, datatype_size, myname, error_code);
106 MPIO_CHECK_READABLE(adio_fh, myname, error_code);
107 MPIO_CHECK_NOT_SEQUENTIAL_MODE(adio_fh, myname, error_code);
108 MPIO_CHECK_COUNT_SIZE(adio_fh, count, datatype_size, myname, error_code);
109
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111 xbuf = buf;
112 if (adio_fh->is_external32)
113 {
114 MPI_Aint e32_size = 0;
115 error_code = MPIU_datatype_full_size(datatype, &e32_size);
116 if (error_code != MPI_SUCCESS)
117 goto fn_exit;
118
119 e32_buf = ADIOI_Malloc(e32_size*count);
120 xbuf = e32_buf;
121 }
122
123 ADIO_ReadStridedColl(adio_fh, xbuf, count, datatype, file_ptr_type,
124 offset, status, &error_code);
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126
127 if (error_code != MPI_SUCCESS)
128 error_code = MPIO_Err_return_file(adio_fh, error_code);
129
130
131 if (e32_buf != NULL) {
132 error_code = MPIU_read_external32_conversion_fn(buf, datatype,
133 count, e32_buf);
134 ADIOI_Free(e32_buf);
135 }
136
137 fn_exit:
138 ROMIO_THREAD_CS_EXIT();
139
140 return error_code;
141 }
142 #endif