1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
2 /*
3 *
4 * Copyright (C) 2003 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 MPIO_Testall = PMPIO_Testall
14 #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
15 #pragma _HP_SECONDARY_DEF PMPIO_Testall MPIO_Testall
16 #elif defined(HAVE_PRAGMA_CRI_DUP)
17 #pragma _CRI duplicate MPIO_Testall as PMPIO_Testall
18 /* end of weak pragmas */
19 #endif
20
21 /* Include mapping from MPI->PMPI */
22 #define MPIO_BUILD_PROFILING
23 #include "mpioprof.h"
24 #endif
25
26 /*
27 This is a temporary function until we switch to using MPI-2's generalized
28 requests.
29 */
30
MPIO_Testall(int count,MPIO_Request requests[],int * flag,MPI_Status statuses[])31 int MPIO_Testall(int count, MPIO_Request requests[], int *flag,
32 MPI_Status statuses[])
33 {
34 int done, i, err;
35 MPIU_THREADPRIV_DECL;
36
37 MPIU_THREAD_CS_ENTER(ALLFUNC,);
38 if (count == 1) {
39 err = MPIO_Test( requests, flag, statuses );
40 goto fn_exit;
41 }
42
43 /* This is actually very difficult to do. We can't use MPIO_Test,
44 since we must change the requests only if *ALL* requests are complete
45 */
46 /* FIXME: THIS IS NOT CORRECT (see above). But most applications won't
47 care */
48 done = 1;
49 for (i=0; i<count; i++) {
50 if (requests[i] != MPIO_REQUEST_NULL) {
51 err = MPIO_Test( &requests[i], flag, &statuses[i] );
52 if (!*flag) done = 0;
53 if (err) goto fn_exit;
54 }
55 else {
56 #ifdef MPICH
57 /* need to set empty status */
58 if (statuses != MPI_STATUSES_IGNORE) {
59 statuses[i].MPI_SOURCE = MPI_ANY_SOURCE;
60 statuses[i].MPI_TAG = MPI_ANY_TAG;
61 MPIR_STATUS_SET_COUNT(statuses[i], 0);
62 MPIR_STATUS_SET_CANCEL_BIT(statuses[i], 0);
63 }
64 #else
65 ;
66 #endif
67 }
68 }
69
70 *flag = done;
71
72 err = MPI_SUCCESS;
73 fn_exit:
74 MPIU_THREAD_CS_EXIT(ALLFUNC,);
75 return err;
76 }
77
78