Charm++: Charm Source Code Documentation

00001 /* -*- Mode: C; c-basic-offset:4 ; -*- */
00002 /* 
00003  *   $Id$    
00004  *
00005  *   Copyright (C) 1997 University of Chicago. 
00006  *   See COPYRIGHT notice in top-level directory.
00007  */
00008 
00009 #include "mpioimpl.h"
00010 
00011 #ifdef HAVE_WEAK_SYMBOLS
00012 
00013 #if defined(HAVE_PRAGMA_WEAK)
00014 #pragma weak MPIO_Test = PMPIO_Test
00015 #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
00016 #pragma _HP_SECONDARY_DEF PMPIO_Test MPIO_Test
00017 #elif defined(HAVE_PRAGMA_CRI_DUP)
00018 #pragma _CRI duplicate MPIO_Test as PMPIO_Test
00019 /* end of weak pragmas */
00020 #endif
00021 
00022 /* Include mapping from MPI->PMPI */
00023 #define MPIO_BUILD_PROFILING
00024 #include "mpioprof.h"
00025 #endif
00026 
00027 /* status object not filled currently */
00028 
00029 /*@
00030     MPIO_Test - Test the completion of a nonblocking read or write
00031                 
00032 Input Parameters:
00033 . request - request object (handle)
00034 
00035 Output Parameters:
00036 . flag - true if operation completed (logical)
00037 . status - status object (Status)
00038 
00039 .N fortran
00040 @*/
00041 int MPIO_Test(MPIO_Request *request, int *flag, MPI_Status *status)
00042 {
00043     int error_code;
00044 #ifndef PRINT_ERR_MSG
00045     static char myname[] = "MPIO_TEST";
00046 #endif
00047 #ifdef MPI_hpux
00048     int fl_xmpi;
00049 
00050     if (*request != MPIO_REQUEST_NULL) {
00051         HPMP_IO_WSTART(fl_xmpi, BLKMPIOTEST, TRDTSYSTEM, (*request)->fd);
00052     }
00053 #endif /* MPI_hpux */
00054 
00055     if (*request == MPIO_REQUEST_NULL) return MPI_SUCCESS;
00056 
00057     if ((*request < (MPIO_Request) 0) || 
00058              ((*request)->cookie != ADIOI_REQ_COOKIE)) {
00059 #ifdef PRINT_ERR_MSG
00060         FPRINTF(stderr, "MPIO_Test: Invalid request object\n");
00061         MPI_Abort(MPI_COMM_WORLD, 1);
00062 #else
00063         error_code = MPIR_Err_setmsg(MPI_ERR_REQUEST, MPIR_ERR_REQUEST_NULL,
00064                                      myname, (char *) 0, (char *) 0);
00065         return ADIOI_Error(MPI_FILE_NULL, error_code, myname);
00066 #endif
00067     }
00068 
00069     switch ((*request)->optype) {
00070     case ADIOI_READ:
00071         *flag = ADIO_ReadDone(request, status, &error_code);
00072         break;
00073     case ADIOI_WRITE:
00074         *flag = ADIO_WriteDone(request, status, &error_code);
00075         break;
00076     }
00077 
00078 #ifdef MPI_hpux
00079     HPMP_IO_WEND(fl_xmpi);
00080 #endif /* MPI_hpux */
00081     return error_code;
00082 }
libs/ck-libs/ampi/romio/mpi-io/iotest.c
