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authorAlbert Cheng <acheng@hdfgroup.org>1999-12-20 18:18:17 (GMT)
committerAlbert Cheng <acheng@hdfgroup.org>1999-12-20 18:18:17 (GMT)
commitaaca4e658ba65c801205eead5579e2c306a41aad (patch)
tree0a36cd9b7b588da7f5362a1afa2976432fe44b8d
parentf6fffd7da8475e93554b07943d32fe5364ea3030 (diff)
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[svn-r1917] Updated the change history of H5FD_mpio_write().
-rw-r--r--src/H5FDmpio.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/H5FDmpio.c b/src/H5FDmpio.c
index cced9de..7cac7f3 100644
--- a/src/H5FDmpio.c
+++ b/src/H5FDmpio.c
@@ -1220,6 +1220,13 @@ H5FD_mpio_read(H5FD_t *_file, hid_t dxpl_id, haddr_t addr, hsize_t size,
*
* Robb Matzke, 1999-08-06
* Modified to work with the virtual file layer.
+ *
+ * Albert Cheng, 1999-12-19
+ * When only-p0-write-allsame-data, p0 Bcasts the
+ * ret_value to other processes. This prevents
+ * a racing condition (that other processes try to
+ * read the file before p0 finishes writing) and also
+ * allows all processes to report the same ret_value.
*-------------------------------------------------------------------------
*/
static herr_t