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1 /* crypto/async/async_locl.h */
2 /*
3 * Written by Matt Caswell (matt@openssl.org) for the OpenSSL project.
4 */
5 /* ====================================================================
6 * Copyright (c) 2015 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
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
18 * distribution.
19 *
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/)"
24 *
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.
29 *
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.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
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 * ====================================================================
52 */
53
54 #include <openssl/async.h>
55 #include <openssl/crypto.h>
56
57 typedef struct async_ctx_st async_ctx;
58
59 #include "arch/async_win.h"
60 #include "arch/async_posix.h"
61 #include "arch/async_null.h"
62
63 struct async_ctx_st {
64 async_fibre dispatcher;
65 ASYNC_JOB *currjob;
66 unsigned int blocked;
67 };
68
69 struct async_job_st {
70 async_fibre fibrectx;
71 int (*func) (void *);
72 void *funcargs;
73 int ret;
74 int status;
75 int wake_set;
76 int wait_fd;
77 int wake_fd;
78 };
79
80 DECLARE_STACK_OF(ASYNC_JOB)
81
82 void async_start_func(void);
83 STACK_OF(ASYNC_JOB) *async_get_pool(void);
84 int async_set_pool(STACK_OF(ASYNC_JOB) *poolin, size_t curr_size,
85 size_t max_size);
86 void async_increment_pool_size(void);
87 void async_release_job_to_pool(ASYNC_JOB *job);
88 size_t async_pool_max_size(void);
89 void async_release_pool(void);
90 int async_pool_can_grow(void);
91 int async_pipe(int *pipefds);
92 int async_write1(int fd, const void *buf);
93 int async_read1(int fd, void *buf);