upd: openssl to 1.1.0

[cassiopeia.git] / lib / openssl / crypto / threads_none.c

diff --git a/lib/openssl/crypto/threads_none.c b/lib/openssl/crypto/threads_none.c
new file mode 100644 (file)
index 0000000..72bf25b
--- /dev/null
+++ b/lib/openssl/crypto/threads_none.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/crypto.h>
+
+#if !defined(OPENSSL_THREADS) || defined(CRYPTO_TDEBUG)
+
+CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void)
+{
+    CRYPTO_RWLOCK *lock = OPENSSL_zalloc(sizeof(unsigned int));
+    if (lock == NULL)
+        return NULL;
+
+    *(unsigned int *)lock = 1;
+
+    return lock;
+}
+
+int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock)
+{
+    OPENSSL_assert(*(unsigned int *)lock == 1);
+    return 1;
+}
+
+int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock)
+{
+    OPENSSL_assert(*(unsigned int *)lock == 1);
+    return 1;
+}
+
+int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock)
+{
+    OPENSSL_assert(*(unsigned int *)lock == 1);
+    return 1;
+}
+
+void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock) {
+    if (lock == NULL)
+        return;
+
+    *(unsigned int *)lock = 0;
+    OPENSSL_free(lock);
+
+    return;
+}
+
+int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void))
+{
+    if (*once != 0)
+        return 1;
+
+    init();
+    *once = 1;
+
+    return 1;
+}
+
+#define OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX 256
+
+static void *thread_local_storage[OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX];
+
+int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *))
+{
+    static unsigned int thread_local_key = 0;
+
+    if (thread_local_key >= OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX)
+        return 0;
+
+    *key = thread_local_key++;
+
+    thread_local_storage[*key] = NULL;
+
+    return 1;
+}
+
+void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key)
+{
+    if (*key >= OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX)
+        return NULL;
+
+    return thread_local_storage[*key];
+}
+
+int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val)
+{
+    if (*key >= OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX)
+        return 0;
+
+    thread_local_storage[*key] = val;
+
+    return 1;
+}
+
+int CRYPTO_THREAD_cleanup_local(CRYPTO_THREAD_LOCAL *key)
+{
+    *key = OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX + 1;
+    return 1;
+}
+
+CRYPTO_THREAD_ID CRYPTO_THREAD_get_current_id(void)
+{
+    return 0;
+}
+
+int CRYPTO_THREAD_compare_id(CRYPTO_THREAD_ID a, CRYPTO_THREAD_ID b)
+{
+    return (a == b);
+}
+
+int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock)
+{
+    *val += amount;
+    *ret  = *val;
+
+    return 1;
+}
+
+#endif