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 __FBSDID("$FreeBSD$"); 29 30 #include <sys/types.h> 31 #include <sys/socket.h> 32 #include <sys/un.h> 33 #include <stdarg.h> 34 #include <stdbool.h> 35 36 #include "uc_common.h" 37 #include "t_generic.h" 38 39 int 40 t_generic(int (*client_func)(int), int (*server_func)(int)) 41 { 42 int fd, rv, rv_client; 43 44 switch (uc_client_fork()) { 45 case 0: 46 fd = uc_socket_create(); 47 if (fd < 0) 48 rv = -2; 49 else { 50 rv = client_func(fd); 51 if (uc_socket_close(fd) < 0) 52 rv = -2; 53 } 54 uc_client_exit(rv); 55 break; 56 case 1: 57 fd = uc_socket_create(); 58 if (fd < 0) 59 rv = -2; 60 else { 61 rv = server_func(fd); 62 rv_client = uc_client_wait(); 63 if (rv == 0 || (rv == -2 && rv_client != 0)) 64 rv = rv_client; 65 if (uc_socket_close(fd) < 0) 66 rv = -2; 67 } 68 break; 69 default: 70 rv = -2; 71 } 72 return (rv); 73 } 74