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authorRobert Kim Yates <rkyates@llnl.gov>1998-08-17 15:15:19 (GMT)
committerRobert Kim Yates <rkyates@llnl.gov>1998-08-17 15:15:19 (GMT)
commit8ed18c9e73733939216251e1d154b18e7d34bad3 (patch)
tree933d65a6dbac2ff4d238093d8fec65607c69f911 /src/H5Fprivate.h
parent05db4b09cd1710e76f50115e5f5ff0691e65215d (diff)
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[svn-r598] Added code to convert HDF dataspace selections to MPI datatypes.
Diffstat (limited to 'src/H5Fprivate.h')
-rw-r--r--src/H5Fprivate.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/src/H5Fprivate.h b/src/H5Fprivate.h
index b230b06..1dba61c 100644
--- a/src/H5Fprivate.h
+++ b/src/H5Fprivate.h
@@ -269,8 +269,15 @@ typedef struct H5F_access_t {
#ifdef HAVE_PARALLEL
/* Properties for parallel I/O */
struct {
- MPI_Comm comm; /* communicator for file access */
- MPI_Info info; /* optional info for MPI-IO */
+ MPI_Comm comm; /* communicator for file access */
+ MPI_Info info; /* optional info for MPI-IO */
+ MPI_Datatype btype; /* buffer type for xfers */
+ MPI_Datatype ftype; /* file type for xfers */
+ haddr_t disp; /* displacement for set_view in xfers */
+ int use_types; /* if !0, use btype, ftype, disp. */
+ /* otherwise do simple byteblk xfer */
+ int old_use_types; /* remember value of use_types */
+ /* from last xfer */
} mpio;
#endif
@@ -303,6 +310,8 @@ typedef struct H5MF_free_t {
/*
* Define the low-level file interface.
*/
+/* rky 980816 Removed const modifier from access params for read and write,
+ * because H5F_mpio_read and H5F_mpio_write alter some fields therein. */
typedef struct H5F_low_class_t {
hbool_t (*access)(const char *name, const H5F_access_t *access_parms,
int mode, H5F_search_t *key/*out*/);