| /* |
| * Copyright 2015-2022 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the Apache License 2.0 (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| #include <stdlib.h> |
| |
| #ifndef OPENSSL_ASYNC_H |
| # define OPENSSL_ASYNC_H |
| # pragma once |
| |
| # include <openssl/macros.h> |
| # ifndef OPENSSL_NO_DEPRECATED_3_0 |
| # define HEADER_ASYNC_H |
| # endif |
| |
| #if defined(_WIN32) |
| # if defined(BASETYPES) || defined(_WINDEF_H) |
| /* application has to include <windows.h> to use this */ |
| #define OSSL_ASYNC_FD HANDLE |
| #define OSSL_BAD_ASYNC_FD INVALID_HANDLE_VALUE |
| # endif |
| #else |
| #define OSSL_ASYNC_FD int |
| #define OSSL_BAD_ASYNC_FD -1 |
| #endif |
| # include <openssl/asyncerr.h> |
| |
| |
| # ifdef __cplusplus |
| extern "C" { |
| # endif |
| |
| typedef struct async_job_st ASYNC_JOB; |
| typedef struct async_wait_ctx_st ASYNC_WAIT_CTX; |
| typedef int (*ASYNC_callback_fn)(void *arg); |
| |
| #define ASYNC_ERR 0 |
| #define ASYNC_NO_JOBS 1 |
| #define ASYNC_PAUSE 2 |
| #define ASYNC_FINISH 3 |
| |
| #define ASYNC_STATUS_UNSUPPORTED 0 |
| #define ASYNC_STATUS_ERR 1 |
| #define ASYNC_STATUS_OK 2 |
| #define ASYNC_STATUS_EAGAIN 3 |
| |
| int ASYNC_init_thread(size_t max_size, size_t init_size); |
| void ASYNC_cleanup_thread(void); |
| |
| #ifdef OSSL_ASYNC_FD |
| ASYNC_WAIT_CTX *ASYNC_WAIT_CTX_new(void); |
| void ASYNC_WAIT_CTX_free(ASYNC_WAIT_CTX *ctx); |
| int ASYNC_WAIT_CTX_set_wait_fd(ASYNC_WAIT_CTX *ctx, const void *key, |
| OSSL_ASYNC_FD fd, |
| void *custom_data, |
| void (*cleanup)(ASYNC_WAIT_CTX *, const void *, |
| OSSL_ASYNC_FD, void *)); |
| int ASYNC_WAIT_CTX_get_fd(ASYNC_WAIT_CTX *ctx, const void *key, |
| OSSL_ASYNC_FD *fd, void **custom_data); |
| int ASYNC_WAIT_CTX_get_all_fds(ASYNC_WAIT_CTX *ctx, OSSL_ASYNC_FD *fd, |
| size_t *numfds); |
| int ASYNC_WAIT_CTX_get_callback(ASYNC_WAIT_CTX *ctx, |
| ASYNC_callback_fn *callback, |
| void **callback_arg); |
| int ASYNC_WAIT_CTX_set_callback(ASYNC_WAIT_CTX *ctx, |
| ASYNC_callback_fn callback, |
| void *callback_arg); |
| int ASYNC_WAIT_CTX_set_status(ASYNC_WAIT_CTX *ctx, int status); |
| int ASYNC_WAIT_CTX_get_status(ASYNC_WAIT_CTX *ctx); |
| int ASYNC_WAIT_CTX_get_changed_fds(ASYNC_WAIT_CTX *ctx, OSSL_ASYNC_FD *addfd, |
| size_t *numaddfds, OSSL_ASYNC_FD *delfd, |
| size_t *numdelfds); |
| int ASYNC_WAIT_CTX_clear_fd(ASYNC_WAIT_CTX *ctx, const void *key); |
| #endif |
| |
| int ASYNC_is_capable(void); |
| |
| typedef void *(*ASYNC_stack_alloc_fn)(size_t *num); |
| typedef void (*ASYNC_stack_free_fn)(void *addr); |
| |
| int ASYNC_set_mem_functions(ASYNC_stack_alloc_fn alloc_fn, |
| ASYNC_stack_free_fn free_fn); |
| void ASYNC_get_mem_functions(ASYNC_stack_alloc_fn *alloc_fn, |
| ASYNC_stack_free_fn *free_fn); |
| |
| int ASYNC_start_job(ASYNC_JOB **job, ASYNC_WAIT_CTX *ctx, int *ret, |
| int (*func)(void *), void *args, size_t size); |
| int ASYNC_pause_job(void); |
| |
| ASYNC_JOB *ASYNC_get_current_job(void); |
| ASYNC_WAIT_CTX *ASYNC_get_wait_ctx(ASYNC_JOB *job); |
| void ASYNC_block_pause(void); |
| void ASYNC_unblock_pause(void); |
| |
| |
| # ifdef __cplusplus |
| } |
| # endif |
| #endif |