1 /* $NetBSD: test-weof.c,v 1.6 2024/08/18 20:47:24 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu> 5 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 #include "../util-internal.h" 30 #include "event2/event-config.h" 31 32 #ifdef _WIN32 33 #include <winsock2.h> 34 #else 35 #include <unistd.h> 36 #endif 37 #include <sys/types.h> 38 #include <sys/stat.h> 39 #ifdef EVENT__HAVE_SYS_TIME_H 40 #include <sys/time.h> 41 #endif 42 #ifdef EVENT__HAVE_SYS_SOCKET_H 43 #include <sys/socket.h> 44 #endif 45 #include <fcntl.h> 46 #include <stdlib.h> 47 #include <stdio.h> 48 #include <string.h> 49 #include <signal.h> 50 #include <errno.h> 51 52 #include "event2/event.h" 53 #include "event2/event_struct.h" 54 #include "event2/event_compat.h" 55 #include "event2/util.h" 56 57 evutil_socket_t pair[2]; 58 int test_okay = 1; 59 int called = 0; 60 61 static void 62 write_cb(evutil_socket_t fd, short event, void *arg) 63 { 64 const char *test = "test string"; 65 int len; 66 67 len = send(fd, test, (int)strlen(test) + 1, 0); 68 69 printf("%s: write %d%s\n", __func__, 70 len, len ? "" : " - means EOF"); 71 72 if (len > 0) { 73 if (!called) 74 event_add(arg, NULL); 75 evutil_closesocket(pair[0]); 76 } else if (called == 1) 77 test_okay = 0; 78 79 called++; 80 } 81 82 int 83 main(int argc, char **argv) 84 { 85 struct event ev; 86 87 #ifdef _WIN32 88 WORD wVersionRequested; 89 WSADATA wsaData; 90 91 wVersionRequested = MAKEWORD(2, 2); 92 93 (void) WSAStartup(wVersionRequested, &wsaData); 94 #endif 95 96 #ifndef _WIN32 97 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) 98 return (1); 99 #endif 100 101 if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1) 102 return (1); 103 104 /* Initialize the event library */ 105 event_init(); 106 107 /* Initialize one event */ 108 event_set(&ev, pair[1], EV_WRITE, write_cb, &ev); 109 110 event_add(&ev, NULL); 111 112 event_dispatch(); 113 114 return (test_okay); 115 } 116 117