int MPIO_Wait(MPIO_Request *request, MPI_Status *status)
{
int error_code;
static char myname[] = "MPIO_WAIT";
#ifdef MPI_hpux
int fl_xmpi;
if (*request != MPIO_REQUEST_NULL) {
HPMP_IO_WSTART(fl_xmpi, BLKMPIOWAIT, TRDTBLOCK, (*request)->fd);
}
#endif /* MPI_hpux */
MPID_CS_ENTER();
MPIR_Nest_incr();
if (*request == MPIO_REQUEST_NULL) {
error_code = MPI_SUCCESS;
goto fn_exit;
}
/* --BEGIN ERROR HANDLING-- */
if ((*request < (MPIO_Request) 0) ||
((*request)->cookie != ADIOI_REQ_COOKIE))
{
error_code = MPIO_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE,
myname, __LINE__, MPI_ERR_REQUEST,
"**request", 0);
error_code = MPIO_Err_return_file(MPI_FILE_NULL, error_code);
goto fn_exit;
}
/* --END ERROR HANDLING-- */
switch ((*request)->optype) {
case ADIOI_READ:
ADIO_ReadComplete(request, status, &error_code);
break;
case ADIOI_WRITE:
ADIO_WriteComplete(request, status, &error_code);
break;
}
#ifdef MPI_hpux
HPMP_IO_WEND(fl_xmpi);
#endif /* MPI_hpux */
fn_exit:
MPIR_Nest_decr();
MPID_CS_EXIT();
return error_code;
}
int MPIO_Test(MPIO_Request *request, int *flag, MPI_Status *status)
{
int error_code;
static char myname[] = "MPIO_TEST";
#ifdef MPI_hpux
int fl_xmpi;
if (*request != MPIO_REQUEST_NULL) {
HPMP_IO_WSTART(fl_xmpi, BLKMPIOTEST, TRDTSYSTEM, (*request)->fd);
}
#endif /* MPI_hpux */
MPIU_THREAD_SINGLE_CS_ENTER("io");
if (*request == MPIO_REQUEST_NULL) {
error_code = MPI_SUCCESS;
goto fn_exit;
}
/* --BEGIN ERROR HANDLING-- */
if ((*request < (MPIO_Request) 0) ||
((*request)->cookie != ADIOI_REQ_COOKIE))
{
error_code = MPIO_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE,
myname, __LINE__, MPI_ERR_REQUEST,
"**request", 0);
error_code = MPIO_Err_return_file(MPI_FILE_NULL, error_code);
goto fn_exit;
}
/* --END ERROR HANDLING-- */
switch ((*request)->optype) {
case ADIOI_READ:
*flag = ADIO_ReadDone(request, status, &error_code);
break;
case ADIOI_WRITE:
*flag = ADIO_WriteDone(request, status, &error_code);
break;
}
#ifdef MPI_hpux
HPMP_IO_WEND(fl_xmpi);
#endif /* MPI_hpux */
fn_exit:
MPIU_THREAD_SINGLE_CS_EXIT("io");
return error_code;
}
/*@
MPIO_Test - Test the completion of a nonblocking read or write
Input Parameters:
. request - request object (handle)
Output Parameters:
. flag - true if operation completed (logical)
. status - status object (Status)
.N fortran
@*/
int MPIO_Test(MPIO_Request *request, int *flag, MPI_Status *status)
{
int error_code;
#ifndef PRINT_ERR_MSG
static char myname[] = "MPIO_TEST";
#endif
#ifdef MPI_hpux
int fl_xmpi;
if (*request != MPIO_REQUEST_NULL) {
HPMP_IO_WSTART(fl_xmpi, BLKMPIOTEST, TRDTSYSTEM, (*request)->fd);
}
#endif /* MPI_hpux */
if (*request == MPIO_REQUEST_NULL) return MPI_SUCCESS;
if ((*request < (MPIO_Request) 0) ||
((*request)->cookie != ADIOI_REQ_COOKIE)) {
#ifdef PRINT_ERR_MSG
FPRINTF(stderr, "MPIO_Test: Invalid request object\n");
MPI_Abort(MPI_COMM_WORLD, 1);
#else
error_code = MPIR_Err_setmsg(MPI_ERR_REQUEST, MPIR_ERR_REQUEST_NULL,
myname, (char *) 0, (char *) 0);
return ADIOI_Error(MPI_FILE_NULL, error_code, myname);
#endif
}
switch ((*request)->optype) {
case ADIOI_READ:
*flag = ADIO_ReadDone(request, status, &error_code);
break;
case ADIOI_WRITE:
*flag = ADIO_WriteDone(request, status, &error_code);
break;
}
#ifdef MPI_hpux
HPMP_IO_WEND(fl_xmpi);
#endif /* MPI_hpux */
return error_code;
}
/*@
MPI_File_close - Closes a file
Input Parameters:
. fh - file handle (handle)
.N fortran
@*/
int MPI_File_close(MPI_File *fh)
{
int error_code;
ADIO_File adio_fh;
static char myname[] = "MPI_FILE_CLOSE";
#ifdef MPI_hpux
int fl_xmpi;
HPMP_IO_WSTART(fl_xmpi, BLKMPIFILECLOSE, TRDTBLOCK, *adio_fh);
#endif /* MPI_hpux */
MPIU_THREAD_CS_ENTER(ALLFUNC,);
adio_fh = MPIO_File_resolve(*fh);
/* --BEGIN ERROR HANDLING-- */
MPIO_CHECK_FILE_HANDLE(adio_fh, myname, error_code);
/* --END ERROR HANDLING-- */
if (ADIO_Feature(adio_fh, ADIO_SHARED_FP))
{
ADIOI_Free((adio_fh)->shared_fp_fname);
/* POSIX semantics say a deleted file remains available until all
* processes close the file. But since when was NFS posix-compliant?
*/
if (!ADIO_Feature(adio_fh, ADIO_UNLINK_AFTER_CLOSE)) {
MPI_Barrier((adio_fh)->comm);
}
if ((adio_fh)->shared_fp_fd != ADIO_FILE_NULL) {
MPI_File *fh_shared = &(adio_fh->shared_fp_fd);
ADIO_Close((adio_fh)->shared_fp_fd, &error_code);
MPIO_File_free(fh_shared);
/* --BEGIN ERROR HANDLING-- */
if (error_code != MPI_SUCCESS) goto fn_fail;
/* --END ERROR HANDLING-- */
}
}
/* Because ROMIO expects the MPI library to provide error handler management
* routines but it doesn't ever participate in MPI_File_close, we have to
* somehow inform the MPI library that we no longer hold a reference to any
* user defined error handler. We do this by setting the errhandler at this
* point to MPI_ERRORS_RETURN. */
error_code = PMPI_File_set_errhandler(*fh, MPI_ERRORS_RETURN);
if (error_code != MPI_SUCCESS) goto fn_fail;
ADIO_Close(adio_fh, &error_code);
MPIO_File_free(fh);
/* --BEGIN ERROR HANDLING-- */
if (error_code != MPI_SUCCESS) goto fn_fail;
/* --END ERROR HANDLING-- */
#ifdef MPI_hpux
HPMP_IO_WEND(fl_xmpi);
#endif /* MPI_hpux */
fn_exit:
MPIU_THREAD_CS_EXIT(ALLFUNC,);
return error_code;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
error_code = MPIO_Err_return_file(adio_fh, error_code);
goto fn_exit;
/* --END ERROR HANDLING-- */
}
