Async port to windows

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

1 files changed, 85 insertions, 0 deletions

diff --git a/crypto/async/arch/async_posix.c b/crypto/async/arch/async_posix.c
new file mode 100644
index 0000000..281f25f
--- /dev/null
+++ b/crypto/async/arch/async_posix.c
@@ -0,0 +1,85 @@
+/* crypto/async/arch/async_posix.c */
+/*
+ * Written by Matt Caswell (matt@openssl.org) for the OpenSSL project.
+ */
+/* ====================================================================
+ * Copyright (c) 2015 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
+ *    licensing@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 "../async_locl.h"
+#include <openssl/async.h>
+
+#ifdef ASYNC_SYSV
+# include <stddef.h>
+# include <ucontext.h>
+# include <openssl/crypto.h>
+# include <openssl/async.h>
+
+__thread ASYNC_CTX *sysvctx;
+
+int ASYNC_FIBRE_init(ASYNC_FIBRE *fibre)
+{
+    void *stack = NULL;
+
+    if (!(stack = OPENSSL_malloc(SIGSTKSZ))) {
+        return 0;
+    }
+
+    fibre->fibre.uc_stack.ss_sp = stack;
+    fibre->fibre.uc_stack.ss_size = SIGSTKSZ;
+    fibre->fibre.uc_link = NULL;
+
+    return 1;
+}
+
+void ASYNC_FIBRE_free(ASYNC_FIBRE *fibre)
+{
+    if (fibre->fibre.uc_stack.ss_sp)
+        OPENSSL_free(fibre->fibre.uc_stack.ss_sp);
+}
+#endif