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- Call OPENSSL_thread_stop on thread termination (DLL_THREAD_DETACH) to prevent a memory leak in case OpenSSL is linked statically. - Warn in libcurl-thread.3 that if OpenSSL is linked statically then it may require thread cleanup. OpenSSL may need per-thread cleanup to stop a memory leak. For Windows and Cygwin if libcurl was built as a DLL then we can do that for the user by calling OPENSSL_thread_stop on thread termination. However, if libcurl was built statically then we do not have notification of thread termination and cannot do that for the user. Also, there are several other unusual cases where it may be necessary for the user to call OPENSSL_thread_stop, so in the libcurl-thread warning I added a link to the OpenSSL documentation. Co-authored-by: Viktor Szakats Reported-by: southernedge@users.noreply.github.com Reported-by: zmcx16@users.noreply.github.com Ref: https://www.openssl.org/docs/man3.0/man3/OPENSSL_thread_stop.html#NOTES Fixes https://github.com/curl/curl/issues/12327 Closes https://github.com/curl/curl/pull/12408
Documentation
You find a mix of various documentation in this directory and subdirectories, using several different formats. Some of them are not ideal for reading directly in your browser.
If you would rather see the rendered version of the documentation, check out the curl website's documentation section for general curl stuff or the libcurl section for libcurl related documentation.