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Merge branch 'bugfix/lwipopts_cleanup' into 'master'

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lw-IP: Cleanup of config options and flags

Closes IDF-3594

See merge request espressif/esp-idf!15248
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David Čermák
2022-01-17 06:46:27 +00:00
parent 00822f2ef0 66438366a2
commit c45d34aea2
9 changed files with 569 additions and 334 deletions
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docs/en/api-reference/storage/vfs.rst
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@@ -140,7 +140,7 @@ A socket VFS driver needs to be registered with the following functions defined:
Please see :component_file:`lwip/port/esp32/vfs_lwip.c` for a reference socket driver implementation using LWIP.
.. note::
If :cpp:func:`select` is only used on socket file descriptors, you can enable the :envvar:`CONFIG_LWIP_USE_ONLY_LWIP_SELECT` option to reduce the code size and improve performance.
If you use :cpp:func:`select` for socket file descriptors only then you can disable the :envvar:`CONFIG_VFS_SUPPORT_SELECT` option to reduce the code size and improve performance.
You should not change the socket driver during an active :cpp:func:`select` call or you might experience some undefined behavior.
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