sys_kqueue.h (4750B)
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) 2026 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_kqueue.h 41 * @brief The header for the system kqueue functions and related data types 42 * @author Karlson2k (Evgeny Grin) 43 * 44 * This header includes system macros for kqueue and defines related 45 * MHD macros. 46 */ 47 48 #ifndef MHD_SYS_KQUEUE_H 49 #define MHD_SYS_KQUEUE_H 1 50 51 #include "mhd_sys_options.h" 52 53 #ifdef MHD_SUPPORT_KQUEUE 54 # include "mhd_socket_type.h" 55 # ifndef MHD_SOCKETS_KIND_POSIX 56 #error Only POSIX type sockets are supported 57 # endif 58 # ifdef HAVE_SYS_TYPES_H 59 # include <sys/types.h> 60 # endif /* HAVE_SYS_TYPES_H */ 61 62 # ifdef HAVE_SYS_TIME_H 63 # include <sys/time.h> 64 # endif 65 66 # include <sys/event.h> 67 68 # ifdef HAVE_KQUEUEX 69 # ifdef KQUEUE_CLOEXEC 70 # define mhd_kqueue() kqueuex (KQUEUE_CLOEXEC) 71 # define mhd_KQUEUE_HAS_CLOEXEC_SET() (! 0) 72 # else 73 # undef HAVE_KQUEUEX /* No use for kqueuex() */ 74 # endif 75 # endif 76 77 # ifdef HAVE_KQUEUE1 78 # ifdef mhd_kqueue 79 # undef HAVE_KQUEUE1 /* No use for kqueue1() */ 80 # else 81 # include <fcntl.h> 82 # ifdef O_CLOEXEC 83 # define mhd_kqueue() kqueue1 (O_CLOEXEC) 84 # define mhd_KQUEUE_HAS_CLOEXEC_SET() (! 0) 85 # else 86 # undef HAVE_KQUEUE1 87 # endif 88 # endif 89 # endif 90 91 # ifndef mhd_kqueue 92 # define mhd_kqueue() kqueue () 93 # define mhd_KQUEUE_HAS_CLOEXEC_SET() (0) 94 # endif 95 96 # ifdef __NetBSD__ 97 # include <sys/param.h> 98 # if __NetBSD_Version__ + 0 < 1000000000 99 # define mhd_KE_UDATA_IS_INTPTR 1 100 # endif 101 # endif 102 103 # ifndef mhd_KE_UDATA_IS_INTPTR 104 typedef void *mhd_KE_UDATA_TYPE; 105 # define mhd_PTR_TO_KE_UDATA(ptr) (ptr) 106 # define mhd_KE_UDATA_TO_PTR(ud) (ud) 107 # else 108 typedef intptr_t mhd_KE_UDATA_TYPE; 109 # define mhd_PTR_TO_KE_UDATA(ptr) ((mhd_KE_UDATA_TYPE) (ptr)) 110 # define mhd_KE_UDATA_TO_PTR(ud) ((void*) (ud)) 111 # endif 112 113 # define mhd_KE_GET_UDATA(ev_ptr) mhd_KE_UDATA_TO_PTR ((ev_ptr)->udata) 114 115 # define mhd_KE_SET(ev_ptr,fd,evfltr,evflags,evudata_ptr) do { \ 116 struct kevent mhd__ke_tmp = {0u}; \ 117 mhd__ke_tmp.ident = (unsigned int) (fd); \ 118 mhd__ke_tmp.filter = (evfltr); \ 119 mhd__ke_tmp.flags = (evflags); \ 120 mhd__ke_tmp.udata = mhd_PTR_TO_KE_UDATA ((evudata_ptr)); \ 121 (*(ev_ptr)) = mhd__ke_tmp; } while (0) 122 123 # ifdef EV_KEEPUDATA 124 # define mhd_EV_KEEPUDATA_OR_ZERO EV_KEEPUDATA 125 # else 126 # define mhd_EV_KEEPUDATA_OR_ZERO (0) 127 # endif 128 129 # ifndef __NetBSD__ 130 # define mhd_kevent(kqfd,chlist,nchs,evlist,nevs,tmout) \ 131 kevent ((kqfd),(chlist),(nchs),(evlist),(nevs),(tmout)) 132 # else /* ! __NetBSD__ */ 133 # define mhd_kevent(kqfd,chlist,nchs,evlist,nevs,tmout) \ 134 kevent ((kqfd),(chlist),(size_t) (nchs),(evlist),(size_t) (nevs), \ 135 (tmout)) 136 # endif 137 138 #endif /* MHD_SUPPORT_KQUEUE */ 139 140 #endif /* ! MHD_SYS_KQUEUE_H */