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-rw-r--r--crypto/threads_none.c136
1 files changed, 136 insertions, 0 deletions
diff --git a/crypto/threads_none.c b/crypto/threads_none.c
new file mode 100644
index 000000000000..4b1940ae44db
--- /dev/null
+++ b/crypto/threads_none.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright 2016-2018 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>
+#include "internal/cryptlib.h"
+
+#if !defined(OPENSSL_THREADS) || defined(CRYPTO_TDEBUG)
+
+CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void)
+{
+ CRYPTO_RWLOCK *lock;
+
+ if ((lock = OPENSSL_zalloc(sizeof(unsigned int))) == NULL) {
+ /* Don't set error, to avoid recursion blowup. */
+ return NULL;
+ }
+
+ *(unsigned int *)lock = 1;
+
+ return lock;
+}
+
+int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock)
+{
+ if (!ossl_assert(*(unsigned int *)lock == 1))
+ return 0;
+ return 1;
+}
+
+int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock)
+{
+ if (!ossl_assert(*(unsigned int *)lock == 1))
+ return 0;
+ return 1;
+}
+
+int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock)
+{
+ if (!ossl_assert(*(unsigned int *)lock == 1))
+ return 0;
+ 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;
+}
+
+int openssl_init_fork_handlers(void)
+{
+ return 0;
+}
+
+#endif