diff options
Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index ed12c5e..6043145 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -471,6 +471,31 @@ New Features Library: -------- + - Adds new "ctl" callback to VFD H5FD_class_t structure + with the following prototype: + + herr_t (*ctl)(H5FD_t *file, uint64_t op_code, + uint64_t flags, const void *input, + void **output); + + This newly-added "ctl" callback allows Virtual File + Drivers to intercept and handle arbitary operations + identified by an operation code. Its parameters are + as follows: + + `file` [in] - A pointer to the file to be operated on + `op_code` [in] - The operation code identifying the + operation to be performed + `flags` [in] - Flags governing the behavior of the + operation performed (see H5FDpublic.h + for a list of valid flags) + `input` [in] - A pointer to arguments passed to the + VFD performing the operation + `output` [out] - A pointer for the receiving VFD to + use for output from the operation + + (JRM - 2021/08/16) + - Change how the release part of version, in major.minor.release is checked for compatibility |