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ERR_REMOVE_STATE(3) Library Functions Manual ERR_REMOVE_STATE(3)

ERR_remove_thread_state, ERR_remove_statefree a thread's OpenSSL error queue

#include <openssl/err.h>

ERR_remove_thread_state(const CRYPTO_THREADID *tid);


ERR_remove_state(unsigned long pid);

() frees the error queue associated with thread tid. If tid is 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() is deprecated and has been replaced by ERR_remove_thread_state().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() is equivalent to ERR_remove_thread_state(NULL).

ERR_remove_thread_state() and ERR_remove_state() return no value.


ERR_remove_state() is available in all versions of SSLeay and OpenSSL. It was deprecated in OpenSSL 1.0.0 when ERR_remove_thread_state() was introduced and thread IDs were introduced to identify threads instead of unsigned long.

November 23, 2016 OpenBSD-6.1