1 | /* |
2 | * Copyright 2015-2018 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 | #include <stdlib.h> |
11 | |
12 | #ifndef OPENSSL_ASYNC_H |
13 | # define OPENSSL_ASYNC_H |
14 | # pragma once |
15 | |
16 | # include <openssl/macros.h> |
17 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
18 | # define |
19 | # endif |
20 | |
21 | #if defined(_WIN32) |
22 | # if defined(BASETYPES) || defined(_WINDEF_H) |
23 | /* application has to include <windows.h> to use this */ |
24 | #define OSSL_ASYNC_FD HANDLE |
25 | #define OSSL_BAD_ASYNC_FD INVALID_HANDLE_VALUE |
26 | # endif |
27 | #else |
28 | #define OSSL_ASYNC_FD int |
29 | #define OSSL_BAD_ASYNC_FD -1 |
30 | #endif |
31 | # include <openssl/asyncerr.h> |
32 | |
33 | |
34 | # ifdef __cplusplus |
35 | extern "C" { |
36 | # endif |
37 | |
38 | typedef struct async_job_st ASYNC_JOB; |
39 | typedef struct async_wait_ctx_st ASYNC_WAIT_CTX; |
40 | typedef int (*ASYNC_callback_fn)(void *arg); |
41 | |
42 | #define ASYNC_ERR 0 |
43 | #define ASYNC_NO_JOBS 1 |
44 | #define ASYNC_PAUSE 2 |
45 | #define ASYNC_FINISH 3 |
46 | |
47 | #define ASYNC_STATUS_UNSUPPORTED 0 |
48 | #define ASYNC_STATUS_ERR 1 |
49 | #define ASYNC_STATUS_OK 2 |
50 | #define ASYNC_STATUS_EAGAIN 3 |
51 | |
52 | int ASYNC_init_thread(size_t max_size, size_t init_size); |
53 | void ASYNC_cleanup_thread(void); |
54 | |
55 | #ifdef OSSL_ASYNC_FD |
56 | ASYNC_WAIT_CTX *ASYNC_WAIT_CTX_new(void); |
57 | void ASYNC_WAIT_CTX_free(ASYNC_WAIT_CTX *ctx); |
58 | int ASYNC_WAIT_CTX_set_wait_fd(ASYNC_WAIT_CTX *ctx, const void *key, |
59 | OSSL_ASYNC_FD fd, |
60 | void *custom_data, |
61 | void (*cleanup)(ASYNC_WAIT_CTX *, const void *, |
62 | OSSL_ASYNC_FD, void *)); |
63 | int ASYNC_WAIT_CTX_get_fd(ASYNC_WAIT_CTX *ctx, const void *key, |
64 | OSSL_ASYNC_FD *fd, void **custom_data); |
65 | int ASYNC_WAIT_CTX_get_all_fds(ASYNC_WAIT_CTX *ctx, OSSL_ASYNC_FD *fd, |
66 | size_t *numfds); |
67 | int ASYNC_WAIT_CTX_get_callback(ASYNC_WAIT_CTX *ctx, |
68 | ASYNC_callback_fn *callback, |
69 | void **callback_arg); |
70 | int ASYNC_WAIT_CTX_set_callback(ASYNC_WAIT_CTX *ctx, |
71 | ASYNC_callback_fn callback, |
72 | void *callback_arg); |
73 | int ASYNC_WAIT_CTX_set_status(ASYNC_WAIT_CTX *ctx, int status); |
74 | int ASYNC_WAIT_CTX_get_status(ASYNC_WAIT_CTX *ctx); |
75 | int ASYNC_WAIT_CTX_get_changed_fds(ASYNC_WAIT_CTX *ctx, OSSL_ASYNC_FD *addfd, |
76 | size_t *numaddfds, OSSL_ASYNC_FD *delfd, |
77 | size_t *numdelfds); |
78 | int ASYNC_WAIT_CTX_clear_fd(ASYNC_WAIT_CTX *ctx, const void *key); |
79 | #endif |
80 | |
81 | int ASYNC_is_capable(void); |
82 | |
83 | int ASYNC_start_job(ASYNC_JOB **job, ASYNC_WAIT_CTX *ctx, int *ret, |
84 | int (*func)(void *), void *args, size_t size); |
85 | int ASYNC_pause_job(void); |
86 | |
87 | ASYNC_JOB *ASYNC_get_current_job(void); |
88 | ASYNC_WAIT_CTX *ASYNC_get_wait_ctx(ASYNC_JOB *job); |
89 | void ASYNC_block_pause(void); |
90 | void ASYNC_unblock_pause(void); |
91 | |
92 | |
93 | # ifdef __cplusplus |
94 | } |
95 | # endif |
96 | #endif |
97 | |