1 /* crypto/async/arch/async_posix.c */
3 * Written by Matt Caswell (matt@openssl.org) for the OpenSSL project.
5 /* ====================================================================
6 * Copyright (c) 2015 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
54 #include "../async_locl.h"
55 #include <openssl/async.h>
59 # include <ucontext.h>
61 # include <openssl/crypto.h>
62 # include <openssl/async.h>
64 pthread_key_t posixctx;
65 pthread_key_t posixpool;
67 #define STACKSIZE 32768
69 int async_thread_local_init(void)
71 if (pthread_key_create(&posixctx, NULL) != 0
72 || pthread_key_create(&posixpool, NULL) != 0)
78 int async_fibre_init(async_fibre *fibre)
82 stack = OPENSSL_malloc(STACKSIZE);
87 fibre->fibre.uc_stack.ss_sp = stack;
88 fibre->fibre.uc_stack.ss_size = STACKSIZE;
89 fibre->fibre.uc_link = NULL;
95 void async_fibre_free(async_fibre *fibre)
97 if (fibre->fibre.uc_stack.ss_sp)
98 OPENSSL_free(fibre->fibre.uc_stack.ss_sp);
101 int async_pipe(OSSL_ASYNC_FD *pipefds)
103 if (pipe(pipefds) == 0)
109 int async_close_fd(OSSL_ASYNC_FD fd)
117 int async_write1(OSSL_ASYNC_FD fd, const void *buf)
119 if (write(fd, buf, 1) > 0)
125 int async_read1(OSSL_ASYNC_FD fd, void *buf)
127 if (read(fd, buf, 1) > 0)