diff options
Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 848c712..2af0273 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -384,6 +384,33 @@ New Features Library: -------- + - HSYS_GOTO_ERROR now emits the results of GetLastError() on Windows + + HSYS_GOTO_ERROR is an internal macro that is used to produce error + messages when system calls fail. These strings include errno and the + the associated strerror() value, which are not particularly useful + when a Win32 API call fails. + + On Windows, this macro has been updated to include the result of + GetLastError(). When a system call fails on Windows, usually only + one of errno and GetLastError() will be useful, however we emit both + for the user to parse. The Windows error message is not emitted as + it would be awkward to free the FormatMessage() buffer given the + existing HDF5 error framework. Users will have to look up the error + codes in MSDN. + + The format string on Windows has been changed from: + + "%s, errno = %d, error message = '%s'" + + to: + + "%s, errno = %d, error message = '%s', Win32 GetLastError() = %"PRIu32"" + + for those inclined to parse it for error values. + + (DER - 2021/03/21) + - File locking now works on Windows Since version 1.10.0, the HDF5 library has used a file locking scheme @@ -400,7 +427,6 @@ New Features (DER - 2021/03/19, HDFFV-10191) - - H5Epush_ret() now requires a trailing semicolon H5Epush_ret() is a function-like macro that has been changed to |