void ADIOI_PFS_ReadContig(ADIO_File fd, void *buf, int count, MPI_Datatype datatype, int file_ptr_type, ADIO_Offset offset, ADIO_Status *status, int *error_code) { MPI_Count err=-1, datatype_size, len; static char myname[] = "ADIOI_PFS_READCONTIG"; MPI_Type_size_x(datatype, &datatype_size); len = datatype_size * count; if (file_ptr_type == ADIO_EXPLICIT_OFFSET) { if (fd->fp_sys_posn != offset) { lseek(fd->fd_sys, offset, SEEK_SET); } err = _cread(fd->fd_sys, buf, len); fd->fp_sys_posn = offset + err; /* individual file pointer not updated */ } else { /* read from curr. location of ind. file pointer */ if (fd->fp_sys_posn != fd->fp_ind) { lseek(fd->fd_sys, fd->fp_ind, SEEK_SET); } err = _cread(fd->fd_sys, buf, len); fd->fp_ind += err; fd->fp_sys_posn = fd->fp_ind; } #ifdef HAVE_STATUS_SET_BYTES if (err != -1) MPIR_Status_set_bytes(status, datatype, err); #endif if (err == -1) { *error_code = MPIO_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE, myname, __LINE__, MPI_ERR_IO, "**io", "**io %s", strerror(errno)); } else *error_code = MPI_SUCCESS; }
void ADIOI_PFS_ReadContig(ADIO_File fd, void *buf, int count, MPI_Datatype datatype, int file_ptr_type, ADIO_Offset offset, ADIO_Status *status, int *error_code) { int err=-1, datatype_size, len; #ifndef PRINT_ERR_MSG static char myname[] = "ADIOI_PFS_READCONTIG"; #endif MPI_Type_size(datatype, &datatype_size); len = datatype_size * count; if (file_ptr_type == ADIO_EXPLICIT_OFFSET) { if (fd->fp_sys_posn != offset) { #ifdef PROFILE MPE_Log_event(11, 0, "start seek"); #endif lseek(fd->fd_sys, offset, SEEK_SET); #ifdef PROFILE MPE_Log_event(12, 0, "end seek"); #endif } #ifdef PROFILE MPE_Log_event(3, 0, "start read"); #endif err = _cread(fd->fd_sys, buf, len); #ifdef PROFILE MPE_Log_event(4, 0, "end read"); #endif fd->fp_sys_posn = offset + err; /* individual file pointer not updated */ } else { /* read from curr. location of ind. file pointer */ if (fd->fp_sys_posn != fd->fp_ind) { #ifdef PROFILE MPE_Log_event(11, 0, "start seek"); #endif lseek(fd->fd_sys, fd->fp_ind, SEEK_SET); #ifdef PROFILE MPE_Log_event(12, 0, "end seek"); #endif } #ifdef PROFILE MPE_Log_event(3, 0, "start read"); #endif err = _cread(fd->fd_sys, buf, len); #ifdef PROFILE MPE_Log_event(4, 0, "end read"); #endif fd->fp_ind += err; fd->fp_sys_posn = fd->fp_ind; } #ifdef HAVE_STATUS_SET_BYTES if (err != -1) MPIR_Status_set_bytes(status, datatype, err); #endif #ifdef PRINT_ERR_MSG *error_code = (err == -1) ? MPI_ERR_UNKNOWN : MPI_SUCCESS; #else if (err == -1) { *error_code = MPIR_Err_setmsg(MPI_ERR_IO, MPIR_ADIO_ERROR, myname, "I/O Error", "%s", strerror(errno)); ADIOI_Error(fd, *error_code, myname); } else *error_code = MPI_SUCCESS; #endif }