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/types.h> 28 #include <sys/socket.h> 29 #include <sys/un.h> 30 #include <stdarg.h> 31 #include <stdbool.h> 32 33 #include "uc_common.h" 34 #include "t_generic.h" 35 36 int 37 t_generic(int (*client_func)(int), int (*server_func)(int)) 38 { 39 int fd, rv, rv_client; 40 41 switch (uc_client_fork()) { 42 case 0: 43 fd = uc_socket_create(); 44 if (fd < 0) 45 rv = -2; 46 else { 47 rv = client_func(fd); 48 if (uc_socket_close(fd) < 0) 49 rv = -2; 50 } 51 uc_client_exit(rv); 52 break; 53 case 1: 54 fd = uc_socket_create(); 55 if (fd < 0) 56 rv = -2; 57 else { 58 rv = server_func(fd); 59 rv_client = uc_client_wait(); 60 if (rv == 0 || (rv == -2 && rv_client != 0)) 61 rv = rv_client; 62 if (uc_socket_close(fd) < 0) 63 rv = -2; 64 } 65 break; 66 default: 67 rv = -2; 68 } 69 return (rv); 70 } 71