Mercurial > hgrepos > Python2 > PyMuPDF
annotate mupdf-source/thirdparty/curl/docs/examples/opensslthreadlock.c @ 22:d77477b4e151
Let _int_rc() also handle (i.e. ignore) a local version suffix
| author | Franz Glasner <fzglas.hg@dom66.de> |
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| date | Fri, 19 Sep 2025 12:05:57 +0200 |
| parents | b50eed0cc0ef |
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| rev | line source |
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1 /*************************************************************************** |
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2 * _ _ ____ _ |
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3 * Project ___| | | | _ \| | |
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4 * / __| | | | |_) | | |
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5 * | (__| |_| | _ <| |___ |
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6 * \___|\___/|_| \_\_____| |
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7 * |
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8 * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al. |
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9 * |
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10 * This software is licensed as described in the file COPYING, which |
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11 * you should have received as part of this distribution. The terms |
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12 * are also available at https://curl.haxx.se/docs/copyright.html. |
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13 * |
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14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
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15 * copies of the Software, and permit persons to whom the Software is |
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16 * furnished to do so, under the terms of the COPYING file. |
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17 * |
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18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
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19 * KIND, either express or implied. |
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20 * |
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21 ***************************************************************************/ |
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22 /* <DESC> |
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23 * one way to set the necessary OpenSSL locking callbacks if you want to do |
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24 * multi-threaded transfers with HTTPS/FTPS with libcurl built to use OpenSSL. |
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25 * </DESC> |
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26 */ |
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27 /* |
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28 * This is not a complete stand-alone example. |
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29 * |
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30 * Author: Jeremy Brown |
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31 */ |
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32 |
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33 #include <stdio.h> |
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34 #include <pthread.h> |
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35 #include <openssl/err.h> |
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36 |
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37 #define MUTEX_TYPE pthread_mutex_t |
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38 #define MUTEX_SETUP(x) pthread_mutex_init(&(x), NULL) |
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39 #define MUTEX_CLEANUP(x) pthread_mutex_destroy(&(x)) |
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40 #define MUTEX_LOCK(x) pthread_mutex_lock(&(x)) |
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41 #define MUTEX_UNLOCK(x) pthread_mutex_unlock(&(x)) |
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42 #define THREAD_ID pthread_self() |
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43 |
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44 |
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45 void handle_error(const char *file, int lineno, const char *msg) |
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46 { |
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47 fprintf(stderr, "** %s:%d %s\n", file, lineno, msg); |
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48 ERR_print_errors_fp(stderr); |
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49 /* exit(-1); */ |
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50 } |
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51 |
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52 /* This array will store all of the mutexes available to OpenSSL. */ |
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53 static MUTEX_TYPE *mutex_buf = NULL; |
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54 |
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55 static void locking_function(int mode, int n, const char *file, int line) |
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56 { |
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57 if(mode & CRYPTO_LOCK) |
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58 MUTEX_LOCK(mutex_buf[n]); |
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59 else |
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60 MUTEX_UNLOCK(mutex_buf[n]); |
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61 } |
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62 |
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63 static unsigned long id_function(void) |
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64 { |
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65 return ((unsigned long)THREAD_ID); |
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66 } |
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67 |
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68 int thread_setup(void) |
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69 { |
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70 int i; |
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71 |
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72 mutex_buf = malloc(CRYPTO_num_locks() * sizeof(MUTEX_TYPE)); |
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73 if(!mutex_buf) |
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74 return 0; |
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75 for(i = 0; i < CRYPTO_num_locks(); i++) |
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76 MUTEX_SETUP(mutex_buf[i]); |
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77 CRYPTO_set_id_callback(id_function); |
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78 CRYPTO_set_locking_callback(locking_function); |
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79 return 1; |
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80 } |
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81 |
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82 int thread_cleanup(void) |
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83 { |
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84 int i; |
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85 |
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86 if(!mutex_buf) |
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87 return 0; |
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88 CRYPTO_set_id_callback(NULL); |
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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89 CRYPTO_set_locking_callback(NULL); |
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b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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changeset
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90 for(i = 0; i < CRYPTO_num_locks(); i++) |
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b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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91 MUTEX_CLEANUP(mutex_buf[i]); |
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b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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92 free(mutex_buf); |
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b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff
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93 mutex_buf = NULL; |
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b50eed0cc0ef
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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94 return 1; |
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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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95 } |
