Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/lib/nonblock.c @ 40:aa33339d6b8a upstream

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ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
children
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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 - 2015, 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
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23 #include "curl_setup.h"
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25 #ifdef HAVE_SYS_IOCTL_H
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26 #include <sys/ioctl.h>
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27 #endif
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28 #ifdef HAVE_FCNTL_H
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29 #include <fcntl.h>
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30 #endif
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31
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32 #if (defined(HAVE_IOCTL_FIONBIO) && defined(NETWARE))
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33 #include <sys/filio.h>
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34 #endif
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35 #ifdef __VMS
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36 #include <in.h>
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37 #include <inet.h>
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38 #endif
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40 #include "nonblock.h"
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42 /*
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43 * curlx_nonblock() set the given socket to either blocking or non-blocking
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44 * mode based on the 'nonblock' boolean argument. This function is highly
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45 * portable.
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46 */
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47 int curlx_nonblock(curl_socket_t sockfd, /* operate on this */
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48 int nonblock /* TRUE or FALSE */)
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49 {
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50 #if defined(USE_BLOCKING_SOCKETS)
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51 (void)sockfd;
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52 (void)nonblock;
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53 return 0; /* returns success */
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54
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55 #elif defined(HAVE_FCNTL_O_NONBLOCK)
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56
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57 /* most recent unix versions */
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58 int flags;
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59 flags = sfcntl(sockfd, F_GETFL, 0);
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60 if(nonblock)
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61 return sfcntl(sockfd, F_SETFL, flags | O_NONBLOCK);
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62 return sfcntl(sockfd, F_SETFL, flags & (~O_NONBLOCK));
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63
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64 #elif defined(HAVE_IOCTL_FIONBIO)
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65
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66 /* older unix versions */
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67 int flags = nonblock ? 1 : 0;
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68 return ioctl(sockfd, FIONBIO, &flags);
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70 #elif defined(HAVE_IOCTLSOCKET_FIONBIO)
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72 /* Windows */
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73 unsigned long flags = nonblock ? 1UL : 0UL;
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74 return ioctlsocket(sockfd, FIONBIO, &flags);
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75
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76 #elif defined(HAVE_IOCTLSOCKET_CAMEL_FIONBIO)
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78 /* Amiga */
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79 long flags = nonblock ? 1L : 0L;
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80 return IoctlSocket(sockfd, FIONBIO, (char *)&flags);
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81
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82 #elif defined(HAVE_SETSOCKOPT_SO_NONBLOCK)
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83
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84 /* BeOS */
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85 long b = nonblock ? 1L : 0L;
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86 return setsockopt(sockfd, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b));
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87
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88 #else
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89 # error "no non-blocking method was found/used/set"
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90 #endif
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91 }