1/*
2 * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10/*
11 * Must do this before including any header files, because on MacOS/X <stlib.h>
12 * includes <signal.h> which includes <ucontext.h>
13 */
14#if defined(__APPLE__) && defined(__MACH__) && !defined(_XOPEN_SOURCE)
15# define _XOPEN_SOURCE /* Otherwise incomplete ucontext_t structure */
16# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
17#endif
18
19#if defined(_WIN32)
20# include <windows.h>
21#endif
22
23#include "crypto/async.h"
24#include <openssl/crypto.h>
25
26typedef struct async_ctx_st async_ctx;
27typedef struct async_pool_st async_pool;
28
29#include "arch/async_win.h"
30#include "arch/async_posix.h"
31#include "arch/async_null.h"
32
33struct async_ctx_st {
34 async_fibre dispatcher;
35 ASYNC_JOB *currjob;
36 unsigned int blocked;
37};
38
39struct async_job_st {
40 async_fibre fibrectx;
41 int (*func) (void *);
42 void *funcargs;
43 int ret;
44 int status;
45 ASYNC_WAIT_CTX *waitctx;
46};
47
48struct fd_lookup_st {
49 const void *key;
50 OSSL_ASYNC_FD fd;
51 void *custom_data;
52 void (*cleanup)(ASYNC_WAIT_CTX *, const void *, OSSL_ASYNC_FD, void *);
53 int add;
54 int del;
55 struct fd_lookup_st *next;
56};
57
58struct async_wait_ctx_st {
59 struct fd_lookup_st *fds;
60 size_t numadd;
61 size_t numdel;
62 ASYNC_callback_fn callback;
63 void *callback_arg;
64 int status;
65};
66
67DEFINE_STACK_OF(ASYNC_JOB)
68
69struct async_pool_st {
70 STACK_OF(ASYNC_JOB) *jobs;
71 size_t curr_size;
72 size_t max_size;
73};
74
75void async_local_cleanup(void);
76void async_start_func(void);
77async_ctx *async_get_ctx(void);
78
79void async_wait_ctx_reset_counts(ASYNC_WAIT_CTX *ctx);
80
81