1 /* 2 * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (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 HEADER_ASYNC_H 13 # define HEADER_ASYNC_H 14 15 #if defined(_WIN32) 16 # if defined(BASETYPES) || defined(_WINDEF_H) 17 /* application has to include <windows.h> to use this */ 18 #define OSSL_ASYNC_FD HANDLE 19 #define OSSL_BAD_ASYNC_FD INVALID_HANDLE_VALUE 20 # endif 21 #else 22 #define OSSL_ASYNC_FD int 23 #define OSSL_BAD_ASYNC_FD -1 24 #endif 25 # include <openssl/asyncerr.h> 26 27 28 # ifdef __cplusplus 29 extern "C" { 30 # endif 31 32 typedef struct async_job_st ASYNC_JOB; 33 typedef struct async_wait_ctx_st ASYNC_WAIT_CTX; 34 35 #define ASYNC_ERR 0 36 #define ASYNC_NO_JOBS 1 37 #define ASYNC_PAUSE 2 38 #define ASYNC_FINISH 3 39 40 int ASYNC_init_thread(size_t max_size, size_t init_size); 41 void ASYNC_cleanup_thread(void); 42 43 #ifdef OSSL_ASYNC_FD 44 ASYNC_WAIT_CTX *ASYNC_WAIT_CTX_new(void); 45 void ASYNC_WAIT_CTX_free(ASYNC_WAIT_CTX *ctx); 46 int ASYNC_WAIT_CTX_set_wait_fd(ASYNC_WAIT_CTX *ctx, const void *key, 47 OSSL_ASYNC_FD fd, 48 void *custom_data, 49 void (*cleanup)(ASYNC_WAIT_CTX *, const void *, 50 OSSL_ASYNC_FD, void *)); 51 int ASYNC_WAIT_CTX_get_fd(ASYNC_WAIT_CTX *ctx, const void *key, 52 OSSL_ASYNC_FD *fd, void **custom_data); 53 int ASYNC_WAIT_CTX_get_all_fds(ASYNC_WAIT_CTX *ctx, OSSL_ASYNC_FD *fd, 54 size_t *numfds); 55 int ASYNC_WAIT_CTX_get_changed_fds(ASYNC_WAIT_CTX *ctx, OSSL_ASYNC_FD *addfd, 56 size_t *numaddfds, OSSL_ASYNC_FD *delfd, 57 size_t *numdelfds); 58 int ASYNC_WAIT_CTX_clear_fd(ASYNC_WAIT_CTX *ctx, const void *key); 59 #endif 60 61 int ASYNC_is_capable(void); 62 63 int ASYNC_start_job(ASYNC_JOB **job, ASYNC_WAIT_CTX *ctx, int *ret, 64 int (*func)(void *), void *args, size_t size); 65 int ASYNC_pause_job(void); 66 67 ASYNC_JOB *ASYNC_get_current_job(void); 68 ASYNC_WAIT_CTX *ASYNC_get_wait_ctx(ASYNC_JOB *job); 69 void ASYNC_block_pause(void); 70 void ASYNC_unblock_pause(void); 71 72 73 # ifdef __cplusplus 74 } 75 # endif 76 #endif 77