free a thread's OpenSSL error
frees the error queue associated with thread tid. If
NULL, the current
thread will have its error queue removed.
Since error queue data structures are allocated automatically for new threads, they must be freed when threads are terminated in order to avoid memory leaks.
is deprecated and has been replaced by
ERR_remove_thread_state(). Since threads in OpenSSL
are no longer identified by unsigned long values, any argument to this
function is ignored. Calling
ERR_remove_state() first appeared in
SSLeay 0.6.1 and has been available since OpenBSD
It was deprecated in OpenSSL 1.0.0 and OpenBSD
introduced and thread IDs were introduced to identify threads instead of