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,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
44 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
49 * OF THE POSSIBILITY OF SUCH DAMAGE.
50 * ====================================================================
53 /* This must be the first #include file */
54 #include "../async_locl.h"
61 pthread_key_t posixctx;
62 pthread_key_t posixpool;
64 #define STACKSIZE 32768
66 int async_global_init(void)
68 if (pthread_key_create(&posixctx, NULL) != 0
69 || pthread_key_create(&posixpool, NULL) != 0)
75 void async_local_cleanup(void)
79 void async_global_cleanup(void)
83 int async_fibre_makecontext(async_fibre *fibre)
86 if (getcontext(&fibre->fibre) == 0) {
87 fibre->fibre.uc_stack.ss_sp = OPENSSL_malloc(STACKSIZE);
88 if (fibre->fibre.uc_stack.ss_sp != NULL) {
89 fibre->fibre.uc_stack.ss_size = STACKSIZE;
90 fibre->fibre.uc_link = NULL;
91 makecontext(&fibre->fibre, async_start_func, 0);
95 fibre->fibre.uc_stack.ss_sp = NULL;
100 void async_fibre_free(async_fibre *fibre)
102 OPENSSL_free(fibre->fibre.uc_stack.ss_sp);
103 fibre->fibre.uc_stack.ss_sp = NULL;
106 int async_pipe(OSSL_ASYNC_FD *pipefds)
108 if (pipe(pipefds) == 0)
114 int async_close_fd(OSSL_ASYNC_FD fd)
122 int async_write1(OSSL_ASYNC_FD fd, const void *buf)
124 if (write(fd, buf, 1) > 0)
130 int async_read1(OSSL_ASYNC_FD fd, void *buf)
132 if (read(fd, buf, 1) > 0)