File: mpir-mpioinit.c

package info (click to toggle)
openmpi 2.0.2-2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 99,912 kB
  • ctags: 55,589
  • sloc: ansic: 525,999; f90: 18,307; makefile: 12,062; sh: 6,583; java: 6,278; asm: 3,515; cpp: 2,227; perl: 2,136; python: 1,350; lex: 734; fortran: 52; tcl: 12
file content (56 lines) | stat: -rw-r--r-- 1,625 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
 *  (C) 2009 UChicago/Argonne LLC
 *      See COPYRIGHT in top-level directory.
 */
#include <string.h>
#include "mpioimpl.h"

#ifdef HAVE_WEAK_SYMBOLS
/* Include mapping from MPI->PMPI */
#define MPIO_BUILD_PROFILING
#include "mpioprof.h"
#endif

extern int ADIO_Init_keyval;

/* common code to stuff an attribute on a communicator for the purpose of
 * cleaning up in MPI_Finalize() */

void MPIR_MPIOInit(int * error_code) {

    int flag;
    char myname[] = "MPIR_MPIOInit";

    /* first check if ADIO has been initialized. If not, initialize it */
    if (ADIO_Init_keyval == MPI_KEYVAL_INVALID) {
        MPI_Initialized(&flag);

	/* --BEGIN ERROR HANDLING-- */
        if (!flag) {
	    *error_code = MPIO_Err_create_code(MPI_SUCCESS,
		    MPIR_ERR_RECOVERABLE, myname, __LINE__,
		    MPI_ERR_OTHER, "**initialized", 0);
	    *error_code = MPIO_Err_return_file(MPI_FILE_NULL, *error_code);
	    return;
	}
	/* --END ERROR HANDLING-- */

        MPI_Keyval_create(MPI_NULL_COPY_FN, ADIOI_End_call, &ADIO_Init_keyval,
                          (void *) 0);

	/* put a dummy attribute on MPI_COMM_SELF, because we want the delete
	   function to be called when MPI_COMM_SELF is freed. Clarified
	   in MPI-2 section 4.8, the standard mandates that attributes on
	   MPI_COMM_SELF get cleaned up early in MPI_Finalize */

        MPI_Attr_put(MPI_COMM_SELF, ADIO_Init_keyval, (void *) 0);

	/* initialize ADIO */
        ADIO_Init( (int *)0, (char ***)0, error_code);
    }
    *error_code = MPI_SUCCESS;
}
/*
 * vim: ts=8 sts=4 sw=4 noexpandtab
 */