sys_poll.h (3451B)
1 /* SPDX-License-Identifier: LGPL-2.1-or-later OR (GPL-2.0-or-later WITH eCos-exception-2.0) */ 2 /* 3 This file is part of GNU libmicrohttpd. 4 Copyright (C) 2024 Evgeny Grin (Karlson2k) 5 6 GNU libmicrohttpd is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 GNU libmicrohttpd is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 Alternatively, you can redistribute GNU libmicrohttpd and/or 17 modify it under the terms of the GNU General Public License as 18 published by the Free Software Foundation; either version 2 of 19 the License, or (at your option) any later version, together 20 with the eCos exception, as follows: 21 22 As a special exception, if other files instantiate templates or 23 use macros or inline functions from this file, or you compile this 24 file and link it with other works to produce a work based on this 25 file, this file does not by itself cause the resulting work to be 26 covered by the GNU General Public License. However the source code 27 for this file must still be made available in accordance with 28 section (3) of the GNU General Public License v2. 29 30 This exception does not invalidate any other reasons why a work 31 based on this file might be covered by the GNU General Public 32 License. 33 34 You should have received copies of the GNU Lesser General Public 35 License and the GNU General Public License along with this library; 36 if not, see <https://www.gnu.org/licenses/>. 37 */ 38 39 /** 40 * @file src/mhd2/sys_poll.h 41 * @brief The header for the system 'poll()' function and related data types 42 * @author Karlson2k (Evgeny Grin) 43 * 44 * This header includes system macros for 'poll()' and also has related 45 * MHD macros. 46 */ 47 48 #ifndef MHD_SYS_POLL_H 49 #define MHD_SYS_POLL_H 1 50 51 #include "mhd_sys_options.h" 52 53 #ifdef MHD_SUPPORT_POLL 54 # include "mhd_socket_type.h" 55 # if defined(MHD_SOCKETS_KIND_POSIX) 56 # include <poll.h> 57 # define mhd_poll poll 58 # elif defined(MHD_SOCKETS_KIND_WINSOCK) 59 # include <winsock2.h> 60 # define mhd_poll WSAPoll 61 # else 62 #error Uknown sockets type 63 # endif 64 65 # if defined(HAVE_DCLR_POLLRDNORM) || defined(POLLRDNORM) 66 # define MHD_POLL_IN POLLRDNORM 67 # else 68 # define MHD_POLL_IN POLLIN 69 # endif 70 71 # if defined(HAVE_DCLR_POLLWRNORM) || defined(POLLWRNORM) 72 # define MHD_POLL_OUT POLLWRNORM 73 # else 74 # define MHD_POLL_OUT POLLOUT 75 # endif 76 77 # if defined(HAVE_DCLR_POLLRDBAND) || defined(POLLRDBAND) 78 # define MHD_POLLRDBAND POLLRDBAND 79 # else 80 # define MHD_POLLRDBAND (0) 81 # endif 82 83 # if defined(HAVE_DCLR_POLLWRBAND) || defined(POLLWRBAND) 84 # define MHD_POLLWRBAND POLLWRBAND 85 # else 86 # define MHD_POLLWRBAND (0) 87 # endif 88 89 # if defined(HAVE_DCLR_POLLPRI) || defined(POLLWRBAND) 90 # define MHD_POLLPRI POLLPRI 91 # else 92 # define MHD_POLLPRI (0) 93 # endif 94 95 96 # if (defined(__APPLE__) && defined(__MACH__)) || defined(__CYGWIN__) 97 /* The platform incorrectly sets POLLHUP when remote use SHUT_WR. 98 The correct behaviour must be POLLHUP only on remote close/disconnect */ 99 # define MHD_POLLHUP_ON_REM_SHUT_WR 1 100 # endif 101 102 #endif /* MHD_SUPPORT_POLL */ 103 104 #endif /* ! MHD_SYS_POLL_H */