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_Wait = PMPIO_Wait
00015 #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
00016 #pragma _HP_SECONDARY_DEF PMPIO_Wait MPIO_Wait
00017 #elif defined(HAVE_PRAGMA_CRI_DUP)
00018 #pragma _CRI duplicate MPIO_Wait as PMPIO_Wait
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_Wait - Waits for the completion of a nonblocking read or write
00031 
00032 Input Parameters:
00033 . request - request object (handle)
00034 
00035 Output Parameters:
00036 . status - status object (Status)
00037 
00038 .N fortran
00039 @*/
00040 int MPIO_Wait(MPIO_Request *request, MPI_Status *status)
00041 {
00042     int error_code;
00043 #ifndef PRINT_ERR_MSG
00044     static char myname[] = "MPIO_WAIT";
00045 #endif
00046 #ifdef MPI_hpux
00047     int fl_xmpi;
00048 
00049     if (*request != MPIO_REQUEST_NULL) {
00050         HPMP_IO_WSTART(fl_xmpi, BLKMPIOWAIT, TRDTBLOCK, (*request)->fd);
00051     }
00052 #endif /* MPI_hpux */
00053 
00054     if (*request == MPIO_REQUEST_NULL) return MPI_SUCCESS;
00055 
00056     if ((*request < (MPIO_Request) 0) || 
00057              ((*request)->cookie != ADIOI_REQ_COOKIE)) {
00058 #ifdef PRINT_ERR_MSG
00059         FPRINTF(stderr, "MPIO_Wait: Invalid request object\n");
00060         MPI_Abort(MPI_COMM_WORLD, 1);
00061 #else
00062         error_code = MPIR_Err_setmsg(MPI_ERR_REQUEST, MPIR_ERR_REQUEST_NULL,
00063                                      myname, (char *) 0, (char *) 0);
00064         return ADIOI_Error(MPI_FILE_NULL, error_code, myname);
00065 #endif
00066     }
00067 
00068     switch ((*request)->optype) {
00069     case ADIOI_READ:
00070         ADIO_ReadComplete(request, status, &error_code);
00071         break;
00072     case ADIOI_WRITE:
00073         ADIO_WriteComplete(request, status, &error_code);
00074         break;
00075     }
00076 
00077 #ifdef MPI_hpux
00078     HPMP_IO_WEND(fl_xmpi);
00079 #endif /* MPI_hpux */
00080     return error_code;
00081 }
libs/ck-libs/ampi/romio/mpi-io/iowait.c
