2 * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
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
12 #ifndef OPENSSL_ASYNC_H
13 # define OPENSSL_ASYNC_H
16 # include <openssl/macros.h>
17 # ifndef OPENSSL_NO_DEPRECATED_3_0
18 # define HEADER_ASYNC_H
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
28 #define OSSL_ASYNC_FD int
29 #define OSSL_BAD_ASYNC_FD -1
31 # include <openssl/asyncerr.h>
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);
43 #define ASYNC_NO_JOBS 1
45 #define ASYNC_FINISH 3
47 #define ASYNC_STATUS_UNSUPPORTED 0
48 #define ASYNC_STATUS_ERR 1
49 #define ASYNC_STATUS_OK 2
50 #define ASYNC_STATUS_EAGAIN 3
52 int ASYNC_init_thread(size_t max_size, size_t init_size);
53 void ASYNC_cleanup_thread(void);
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,
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,
67 int ASYNC_WAIT_CTX_get_callback(ASYNC_WAIT_CTX *ctx,
68 ASYNC_callback_fn *callback,
70 int ASYNC_WAIT_CTX_set_callback(ASYNC_WAIT_CTX *ctx,
71 ASYNC_callback_fn callback,
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,
78 int ASYNC_WAIT_CTX_clear_fd(ASYNC_WAIT_CTX *ctx, const void *key);
81 int ASYNC_is_capable(void);
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);
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);