2 * Written by Matt Caswell (matt@openssl.org) for the OpenSSL project.
4 /* ====================================================================
5 * Copyright (c) 2015 The OpenSSL Project. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
19 * 3. All advertising materials mentioning features or use of this
20 * software must display the following acknowledgment:
21 * "This product includes software developed by the OpenSSL Project
22 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
25 * endorse or promote products derived from this software without
26 * prior written permission. For written permission, please contact
27 * licensing@OpenSSL.org.
29 * 5. Products derived from this software may not be called "OpenSSL"
30 * nor may "OpenSSL" appear in their names without prior written
31 * permission of the OpenSSL Project.
33 * 6. Redistributions of any form whatsoever must retain the following
35 * "This product includes software developed by the OpenSSL Project
36 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
39 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
41 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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44 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
49 * OF THE POSSIBILITY OF SUCH DAMAGE.
50 * ====================================================================
52 #ifndef OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H
53 #define OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H
54 #include <openssl/e_os2.h>
56 #if (defined(OPENSSL_SYS_UNIX) || defined(OPENSSL_SYS_CYGWIN)) && defined(OPENSSL_THREADS) && !defined(OPENSSL_NO_ASYNC)
60 # if _POSIX_VERSION >= 200112L
67 # include <ucontext.h>
71 extern pthread_key_t posixctx;
72 extern pthread_key_t posixpool;
74 typedef struct async_fibre_st {
80 # define async_set_ctx(nctx) (pthread_setspecific(posixctx , (nctx)) == 0)
81 # define async_get_ctx() ((async_ctx *)pthread_getspecific(posixctx))
82 # define async_set_pool(p) (pthread_setspecific(posixpool , (p)) == 0)
83 # define async_get_pool() ((async_pool *)pthread_getspecific(posixpool))
85 static inline int async_fibre_swapcontext(async_fibre *o, async_fibre *n, int r)
89 if (!r || !_setjmp(o->env)) {
93 setcontext(&n->fibre);
99 # define async_fibre_init_dispatcher(d)
101 int async_fibre_makecontext(async_fibre *fibre);
102 void async_fibre_free(async_fibre *fibre);
106 #endif /* OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H */