1 /*- 2 * Copyright (c) 2005 Andrey Simonenko 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 #include <sys/types.h> 29 #include <sys/socket.h> 30 #include <sys/un.h> 31 #include <stdarg.h> 32 #include <stdbool.h> 33 34 #include "uc_common.h" 35 #include "t_generic.h" 36 37 int 38 t_generic(int (*client_func)(int), int (*server_func)(int)) 39 { 40 int fd, rv, rv_client; 41 42 switch (uc_client_fork()) { 43 case 0: 44 fd = uc_socket_create(); 45 if (fd < 0) 46 rv = -2; 47 else { 48 rv = client_func(fd); 49 if (uc_socket_close(fd) < 0) 50 rv = -2; 51 } 52 uc_client_exit(rv); 53 break; 54 case 1: 55 fd = uc_socket_create(); 56 if (fd < 0) 57 rv = -2; 58 else { 59 rv = server_func(fd); 60 rv_client = uc_client_wait(); 61 if (rv == 0 || (rv == -2 && rv_client != 0)) 62 rv = rv_client; 63 if (uc_socket_close(fd) < 0) 64 rv = -2; 65 } 66 break; 67 default: 68 rv = -2; 69 } 70 return (rv); 71 } 72