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| author | Dana Robinson <derobins@hdfgroup.org> | 2019-12-09 05:52:29 (GMT) |
|---|---|---|
| committer | Dana Robinson <derobins@hdfgroup.org> | 2019-12-09 05:52:29 (GMT) |
| commit | 99f85cbf15a637768c8df977ddc5eebe7683a60d (patch) | |
| tree | 5cbb9ed463a10e112e28bb588160ee6242cac790 /release_docs/RELEASE.txt | |
| parent | c7b3d6d6a5c1d376812e17c0ddb26f55334a2c59 (diff) | |
| download | hdf5-99f85cbf15a637768c8df977ddc5eebe7683a60d.zip hdf5-99f85cbf15a637768c8df977ddc5eebe7683a60d.tar.gz hdf5-99f85cbf15a637768c8df977ddc5eebe7683a60d.tar.bz2 | |
Fixed bugs in pread/pwrite I/O in VFDs.
Fixes HDFFV-10945.
Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index f668207..3ddb9c7 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -609,6 +609,21 @@ Bug Fixes since HDF5-1.10.3 release (DER - 2019/08/27, HDFFV-10892) + - Torn pread/pwrite I/O would result in read and write corruption. + + In the sec2, log, and core (with backing store) virtual file drivers + (VFDs), the read and write calls incorrectly reset the offset parameter + on torn pread and pwrite operations (i.e., I/O operations which fail to + be written atomically by the OS). For this bug to occur, pread/pwrite + have to be configured (this is the default if they are present on the + system) and the pread/pwrite operation has to fail to transfer all + the bytes, resulting in a multiple pread/pwrite calls. + + This feature was initially enabled in HDF5 1.10.5 so the bug is + limited to that version. + + (DER - 2019/12/09, HDFFV-10945) + Java Library: ---------------- |