Bug #13935 » ruby_2_3-0005-ossl.c-make-legacy-locking-callbacks-reentrant.patch
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#include "ruby/thread_native.h"
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struct CRYPTO_dynlock_value {
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rb_nativethread_lock_t lock;
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rb_nativethread_id_t owner;
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size_t count;
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};
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static void
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ossl_lock_init(struct CRYPTO_dynlock_value *l)
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{
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rb_nativethread_lock_initialize(&l->lock);
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l->count = 0;
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}
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static void
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ossl_lock_unlock(int mode, struct CRYPTO_dynlock_value *l)
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{
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if (mode & CRYPTO_LOCK) {
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/* TODO: rb_nativethread_id_t is not necessarily compared with ==. */
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rb_nativethread_id_t tid = rb_nativethread_self();
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if (l->count && l->owner == tid) {
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l->count++;
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return;
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}
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rb_nativethread_lock_lock(&l->lock);
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l->owner = tid;
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l->count = 1;
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} else {
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rb_nativethread_lock_unlock(&l->lock);
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if (!--l->count)
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rb_nativethread_lock_unlock(&l->lock);
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}
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}
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