Implement new multi-threading API

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>

1 files changed, 283 insertions, 0 deletions

diff --git a/test/threadstest.c b/test/threadstest.c
new file mode 100644
index 0000000000..e3a9ff5849
--- /dev/null
+++ b/test/threadstest.c
@@ -0,0 +1,283 @@
+/* ====================================================================
+ * Copyright (c) 2016 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+#include <stdio.h>
+
+#include <openssl/crypto.h>
+#include "internal/threads.h"
+
+#if !defined(OPENSSL_THREADS) || defined(CRYPTO_TDEBUG)
+
+typedef unsigned int thread_t;
+
+static int run_thread(thread_t *t, void (*f)(void))
+{
+    f();
+    return 1;
+}
+
+static int wait_for_thread(thread_t thread)
+{
+    return 1;
+}
+
+#elif defined(OPENSSL_SYS_WINDOWS)
+
+typedef HANDLE thread_t;
+
+static DWORD WINAPI thread_run(LPVOID arg)
+{
+    void (*f)(void);
+
+    *(void **) (&f) = arg;
+
+    f();
+    return 0;
+}
+
+static int run_thread(thread_t *t, void (*f)(void))
+{
+    *t = CreateThread(NULL, 0, thread_run, *(void **) &f, 0, NULL);
+    return *t != NULL;
+}
+
+static int wait_for_thread(thread_t thread)
+{
+    return WaitForSingleObject(thread, INFINITE) == 0;
+}
+
+#else
+
+typedef pthread_t thread_t;
+
+static void *thread_run(void *arg)
+{
+    void (*f)(void);
+
+    *(void **) (&f) = arg;
+
+    f();
+    return NULL;
+}
+
+static int run_thread(thread_t *t, void (*f)(void))
+{
+    return pthread_create(t, NULL, thread_run, *(void **) &f) == 0;
+}
+
+static int wait_for_thread(thread_t thread)
+{
+    return pthread_join(thread, NULL) == 0;
+}
+
+#endif
+
+static int test_lock(void)
+{
+    CRYPTO_RWLOCK *lock = CRYPTO_THREAD_lock_new();
+
+    if (!CRYPTO_THREAD_read_lock(lock)) {
+        fprintf(stderr, "CRYPTO_THREAD_read_lock() failed\n");
+        return 0;
+    }
+
+    if (!CRYPTO_THREAD_unlock(lock)) {
+        fprintf(stderr, "CRYPTO_THREAD_unlock() failed\n");
+        return 0;
+    }
+
+    CRYPTO_THREAD_lock_free(lock);
+
+    return 1;
+}
+
+static CRYPTO_ONCE once_run = CRYPTO_ONCE_STATIC_INIT;
+static unsigned once_run_count = 0;
+
+static void once_do_run(void)
+{
+    once_run_count++;
+}
+
+static void once_run_thread_cb(void)
+{
+    CRYPTO_THREAD_run_once(&once_run, once_do_run);
+}
+
+static int test_once(void)
+{
+    thread_t thread;
+    if (!run_thread(&thread, once_run_thread_cb) ||
+        !wait_for_thread(thread))
+    {
+        fprintf(stderr, "run_thread() failed\n");
+        return 0;
+    }
+
+    if (!CRYPTO_THREAD_run_once(&once_run, once_do_run)) {
+        fprintf(stderr, "CRYPTO_THREAD_run_once() failed\n");
+        return 0;
+    }
+
+    if (once_run_count != 1) {
+        fprintf(stderr, "once run %u times\n", once_run_count);
+        return 0;
+    }
+
+    return 1;
+}
+
+static CRYPTO_THREAD_LOCAL thread_local_key;
+static unsigned destructor_run_count = 0;
+static int thread_local_thread_cb_ok = 0;
+
+static void thread_local_destructor(void *arg)
+{
+    unsigned *count;
+
+    if (arg == NULL)
+        return;
+
+    count = arg;
+
+    (*count)++;
+}
+
+static void thread_local_thread_cb(void)
+{
+    void *ptr;
+
+    ptr = CRYPTO_THREAD_get_local(&thread_local_key);
+    if (ptr != NULL) {
+        fprintf(stderr, "ptr not NULL\n");
+        return;
+    }
+
+    if (!CRYPTO_THREAD_set_local(&thread_local_key, &destructor_run_count)) {
+        fprintf(stderr, "CRYPTO_THREAD_set_local() failed\n");
+        return;
+    }
+
+    ptr = CRYPTO_THREAD_get_local(&thread_local_key);
+    if (ptr != &destructor_run_count) {
+        fprintf(stderr, "invalid ptr\n");
+        return;
+    }
+
+    thread_local_thread_cb_ok = 1;
+}
+
+static int test_thread_local(void)
+{
+    thread_t thread;
+    void *ptr = NULL;
+
+    if (!CRYPTO_THREAD_init_local(&thread_local_key, thread_local_destructor)) {
+        fprintf(stderr, "CRYPTO_THREAD_init_local() failed\n");
+        return 0;
+    }
+
+    ptr = CRYPTO_THREAD_get_local(&thread_local_key);
+    if (ptr != NULL) {
+        fprintf(stderr, "ptr not NULL\n");
+        return 0;
+    }
+
+    if (!run_thread(&thread, thread_local_thread_cb) ||
+        !wait_for_thread(thread))
+    {
+        fprintf(stderr, "run_thread() failed\n");
+        return 0;
+    }
+
+    if (thread_local_thread_cb_ok != 1) {
+        fprintf(stderr, "thread-local thread callback failed\n");
+        return 0;
+    }
+
+#if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG)
+
+    ptr = CRYPTO_THREAD_get_local(&thread_local_key);
+    if (ptr != NULL) {
+        fprintf(stderr, "ptr not NULL\n");
+        return 0;
+    }
+
+# if !defined(OPENSSL_SYS_WINDOWS)
+    if (destructor_run_count != 1) {
+        fprintf(stderr, "thread-local destructor run %u times\n",
+                destructor_run_count);
+        return 0;
+    }
+# endif
+
+#endif
+
+    if (!CRYPTO_THREAD_cleanup_local(&thread_local_key)) {
+        fprintf(stderr, "CRYPTO_THREAD_cleanup_local() failed\n");
+        return 0;
+    }
+
+    return 1;
+}
+
+int main(int argc, char **argv)
+{
+    if (!test_lock())
+      return 1;
+
+    if (!test_once())
+      return 1;
+
+    if (!test_thread_local())
+      return 1;
+
+    printf("PASS\n");
+    return 0;
+}