1 | /*
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2 | * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
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3 | *
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4 | * Licensed under the OpenSSL license (the "License"). You may not use
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5 | * this file except in compliance with the License. You can obtain a copy
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6 | * in the file LICENSE in the source distribution or at
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7 | * https://www.openssl.org/source/license.html
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8 | */
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9 |
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10 | #include <stdlib.h>
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11 |
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12 | #ifndef HEADER_ASYNC_H
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13 | # define HEADER_ASYNC_H
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14 |
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15 | #if defined(_WIN32)
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16 | # if defined(BASETYPES) || defined(_WINDEF_H)
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17 | /* application has to include <windows.h> to use this */
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18 | #define OSSL_ASYNC_FD HANDLE
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19 | #define OSSL_BAD_ASYNC_FD INVALID_HANDLE_VALUE
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20 | # endif
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21 | #else
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22 | #define OSSL_ASYNC_FD int
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23 | #define OSSL_BAD_ASYNC_FD -1
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24 | #endif
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25 |
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26 |
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27 | # ifdef __cplusplus
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28 | extern "C" {
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29 | # endif
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30 |
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31 | typedef struct async_job_st ASYNC_JOB;
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32 | typedef struct async_wait_ctx_st ASYNC_WAIT_CTX;
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33 |
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34 | #define ASYNC_ERR 0
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35 | #define ASYNC_NO_JOBS 1
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36 | #define ASYNC_PAUSE 2
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37 | #define ASYNC_FINISH 3
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38 |
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39 | int ASYNC_init_thread(size_t max_size, size_t init_size);
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40 | void ASYNC_cleanup_thread(void);
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41 |
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42 | #ifdef OSSL_ASYNC_FD
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43 | ASYNC_WAIT_CTX *ASYNC_WAIT_CTX_new(void);
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44 | void ASYNC_WAIT_CTX_free(ASYNC_WAIT_CTX *ctx);
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45 | int ASYNC_WAIT_CTX_set_wait_fd(ASYNC_WAIT_CTX *ctx, const void *key,
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46 | OSSL_ASYNC_FD fd,
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47 | void *custom_data,
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48 | void (*cleanup)(ASYNC_WAIT_CTX *, const void *,
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49 | OSSL_ASYNC_FD, void *));
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50 | int ASYNC_WAIT_CTX_get_fd(ASYNC_WAIT_CTX *ctx, const void *key,
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51 | OSSL_ASYNC_FD *fd, void **custom_data);
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52 | int ASYNC_WAIT_CTX_get_all_fds(ASYNC_WAIT_CTX *ctx, OSSL_ASYNC_FD *fd,
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53 | size_t *numfds);
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54 | int ASYNC_WAIT_CTX_get_changed_fds(ASYNC_WAIT_CTX *ctx, OSSL_ASYNC_FD *addfd,
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55 | size_t *numaddfds, OSSL_ASYNC_FD *delfd,
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56 | size_t *numdelfds);
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57 | int ASYNC_WAIT_CTX_clear_fd(ASYNC_WAIT_CTX *ctx, const void *key);
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58 | #endif
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59 |
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60 | int ASYNC_is_capable(void);
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61 |
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62 | int ASYNC_start_job(ASYNC_JOB **job, ASYNC_WAIT_CTX *ctx, int *ret,
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63 | int (*func)(void *), void *args, size_t size);
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64 | int ASYNC_pause_job(void);
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65 |
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66 | ASYNC_JOB *ASYNC_get_current_job(void);
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67 | ASYNC_WAIT_CTX *ASYNC_get_wait_ctx(ASYNC_JOB *job);
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68 | void ASYNC_block_pause(void);
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69 | void ASYNC_unblock_pause(void);
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70 |
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71 | /* BEGIN ERROR CODES */
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72 | /*
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73 | * The following lines are auto generated by the script mkerr.pl. Any changes
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74 | * made after this point may be overwritten when the script is next run.
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75 | */
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76 |
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77 | int ERR_load_ASYNC_strings(void);
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78 |
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79 | /* Error codes for the ASYNC functions. */
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80 |
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81 | /* Function codes. */
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82 | # define ASYNC_F_ASYNC_CTX_NEW 100
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83 | # define ASYNC_F_ASYNC_INIT_THREAD 101
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84 | # define ASYNC_F_ASYNC_JOB_NEW 102
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85 | # define ASYNC_F_ASYNC_PAUSE_JOB 103
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86 | # define ASYNC_F_ASYNC_START_FUNC 104
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87 | # define ASYNC_F_ASYNC_START_JOB 105
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88 |
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89 | /* Reason codes. */
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90 | # define ASYNC_R_FAILED_TO_SET_POOL 101
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91 | # define ASYNC_R_FAILED_TO_SWAP_CONTEXT 102
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92 | # define ASYNC_R_INIT_FAILED 105
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93 | # define ASYNC_R_INVALID_POOL_SIZE 103
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94 |
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95 | # ifdef __cplusplus
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96 | }
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97 | # endif
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98 | #endif
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