/* * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu> * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "../util-internal.h" #include "event2/event-config.h" #ifdef _WIN32 #include <winsock2.h> #else #include <unistd.h> #endif #include <sys/types.h> #include <sys/stat.h> #ifdef EVENT__HAVE_SYS_TIME_H #include <sys/time.h> #endif #ifdef EVENT__HAVE_SYS_SOCKET_H #include <sys/socket.h> #endif #include <fcntl.h> #include <stdlib.h> #include <stdio.h> #include <string.h> #include <signal.h> #include <errno.h> #include "event2/event.h" #include "event2/event_struct.h" #include "event2/event_compat.h" #include "event2/util.h" evutil_socket_t pair[2]; int test_okay = 1; int called = 0; static void write_cb(evutil_socket_t fd, short event, void *arg) { const char *test = "test string"; int len; len = send(fd, test, (int)strlen(test) + 1, 0); printf("%s: write %d%s\n", __func__, len, len ? "" : " - means EOF"); if (len > 0) { if (!called) event_add(arg, NULL); evutil_closesocket(pair[0]); } else if (called == 1) test_okay = 0; called++; } int main(int argc, char **argv) { struct event ev; #ifdef _WIN32 WORD wVersionRequested; WSADATA wsaData; wVersionRequested = MAKEWORD(2, 2); (void) WSAStartup(wVersionRequested, &wsaData); #endif #ifndef _WIN32 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) return (1); #endif if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1) return (1); /* Initialize the event library */ event_init(); /* Initialize one event */ event_set(&ev, pair[1], EV_WRITE, write_cb, &ev); event_add(&ev, NULL); event_dispatch(); return (test_okay); }