Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/lib/select.h @ 32:72c1b70d4f5c

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author Franz Glasner <fzglas.hg@dom66.de>
date Sun, 21 Sep 2025 15:10:12 +0200
parents b50eed0cc0ef
children
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1 #ifndef HEADER_CURL_SELECT_H
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2 #define HEADER_CURL_SELECT_H
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3 /***************************************************************************
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4 * _ _ ____ _
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5 * Project ___| | | | _ \| |
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6 * / __| | | | |_) | |
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7 * | (__| |_| | _ <| |___
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8 * \___|\___/|_| \_\_____|
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9 *
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10 * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
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11 *
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12 * This software is licensed as described in the file COPYING, which
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13 * you should have received as part of this distribution. The terms
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14 * are also available at https://curl.haxx.se/docs/copyright.html.
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15 *
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16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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17 * copies of the Software, and permit persons to whom the Software is
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18 * furnished to do so, under the terms of the COPYING file.
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19 *
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20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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21 * KIND, either express or implied.
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22 *
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23 ***************************************************************************/
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24
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25 #include "curl_setup.h"
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27 #ifdef HAVE_POLL_H
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28 #include <poll.h>
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29 #elif defined(HAVE_SYS_POLL_H)
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30 #include <sys/poll.h>
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31 #endif
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33 /*
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34 * Definition of pollfd struct and constants for platforms lacking them.
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35 */
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36
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37 #if !defined(HAVE_STRUCT_POLLFD) && \
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38 !defined(HAVE_SYS_POLL_H) && \
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39 !defined(HAVE_POLL_H) && \
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40 !defined(POLLIN)
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41
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42 #define POLLIN 0x01
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43 #define POLLPRI 0x02
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44 #define POLLOUT 0x04
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45 #define POLLERR 0x08
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46 #define POLLHUP 0x10
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47 #define POLLNVAL 0x20
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49 struct pollfd
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50 {
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51 curl_socket_t fd;
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52 short events;
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53 short revents;
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54 };
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55
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56 #endif
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57
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58 #ifndef POLLRDNORM
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59 #define POLLRDNORM POLLIN
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60 #endif
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62 #ifndef POLLWRNORM
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63 #define POLLWRNORM POLLOUT
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64 #endif
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65
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66 #ifndef POLLRDBAND
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67 #define POLLRDBAND POLLPRI
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68 #endif
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70 /* there are three CSELECT defines that are defined in the public header that
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71 are exposed to users, but this *IN2 bit is only ever used internally and
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72 therefore defined here */
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73 #define CURL_CSELECT_IN2 (CURL_CSELECT_ERR << 1)
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74
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75 int Curl_socket_check(curl_socket_t readfd, curl_socket_t readfd2,
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76 curl_socket_t writefd,
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77 time_t timeout_ms);
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79 #define SOCKET_READABLE(x,z) \
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80 Curl_socket_check(x, CURL_SOCKET_BAD, CURL_SOCKET_BAD, (time_t)z)
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81 #define SOCKET_WRITABLE(x,z) \
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82 Curl_socket_check(CURL_SOCKET_BAD, CURL_SOCKET_BAD, x, (time_t)z)
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84 int Curl_poll(struct pollfd ufds[], unsigned int nfds, int timeout_ms);
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86 /* On non-DOS and non-Winsock platforms, when Curl_ack_eintr is set,
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87 * EINTR condition is honored and function might exit early without
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88 * awaiting full timeout. Otherwise EINTR will be ignored and full
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89 * timeout will elapse. */
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90 extern int Curl_ack_eintr;
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92 int Curl_wait_ms(int timeout_ms);
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94 #ifdef TPF
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95 int tpf_select_libcurl(int maxfds, fd_set* reads, fd_set* writes,
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96 fd_set* excepts, struct timeval* tv);
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97 #endif
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99 /* Winsock and TPF sockets are not in range [0..FD_SETSIZE-1], which
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100 unfortunately makes it impossible for us to easily check if they're valid
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101 */
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102 #if defined(USE_WINSOCK) || defined(TPF)
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103 #define VALID_SOCK(x) 1
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104 #define VERIFY_SOCK(x) Curl_nop_stmt
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105 #else
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106 #define VALID_SOCK(s) (((s) >= 0) && ((s) < FD_SETSIZE))
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107 #define VERIFY_SOCK(x) do { \
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108 if(!VALID_SOCK(x)) { \
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109 SET_SOCKERRNO(EINVAL); \
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110 return -1; \
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111 } \
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112 } WHILE_FALSE
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113 #endif
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114
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115 #endif /* HEADER_CURL_SELECT_H */