Reorganize local header files

[thirdparty/openssl.git] / crypto / async / arch / async_posix.c

diff --git a/crypto/async/arch/async_posix.c b/crypto/async/arch/async_posix.c
index 1df77cccbe15321d93be860b308bf20a26966250..7476970e6ba86fe935b8243ad75f8f7e3c23fe46 100644 (file)
--- a/crypto/async/arch/async_posix.c
+++ b/crypto/async/arch/async_posix.c
@@ -1,93 +1,37 @@
 /*
- * 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/)"
+ * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
  *
- * 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.
- * ====================================================================
+ * Licensed under the Apache License 2.0 (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
  */
 
 /* This must be the first #include file */
-#include "../async_locl.h"
+#include "../async_local.h"
 
 #ifdef ASYNC_POSIX
 
 # include <stddef.h>
 # include <unistd.h>
 
-pthread_key_t posixctx;
-pthread_key_t posixpool;
-
 #define STACKSIZE       32768
 
-int async_global_init(void)
+int ASYNC_is_capable(void)
 {
-    if (pthread_key_create(&posixctx, NULL) != 0
-            || pthread_key_create(&posixpool, NULL) != 0)
-        return 0;
+    ucontext_t ctx;
 
-    return 1;
-}
-
-int async_local_init(void)
-{
-    if (!async_set_ctx(NULL) || ! async_set_pool(NULL))
-        return 0;
-
-    return 1;
+    /*
+     * Some platforms provide getcontext() but it does not work (notably
+     * MacOSX PPC64). Check for a working getcontext();
+     */
+    return getcontext(&ctx) == 0;
 }
 
 void async_local_cleanup(void)
 {
 }
 
-void async_global_cleanup(void)
-{
-}
-
 int async_fibre_makecontext(async_fibre *fibre)
 {
     fibre->env_init = 0;
@@ -111,36 +55,4 @@ void async_fibre_free(async_fibre *fibre)
     fibre->fibre.uc_stack.ss_sp = NULL;
 }
 
-int async_pipe(OSSL_ASYNC_FD *pipefds)
-{
-    if (pipe(pipefds) == 0)
-        return 1;
-
-    return 0;
-}
-
-int async_close_fd(OSSL_ASYNC_FD fd)
-{
-    if (close(fd) != 0)
-        return 0;
-
-    return 1;
-}
-
-int async_write1(OSSL_ASYNC_FD fd, const void *buf)
-{
-    if (write(fd, buf, 1) > 0)
-        return 1;
-
-    return 0;
-}
-
-int async_read1(OSSL_ASYNC_FD fd, void *buf)
-{
-    if (read(fd, buf, 1) > 0)
-        return 1;
-
-    return 0;
-}
-
 #endif