1 /* $NetBSD: t_ucontext.c,v 1.1 2011/10/15 06:54:52 jruoho Exp $ */ 2 3 /* 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __COPYRIGHT("@(#) Copyright (c) 2008\ 31 The NetBSD Foundation, inc. All rights reserved."); 32 __RCSID("$NetBSD: t_ucontext.c,v 1.1 2011/10/15 06:54:52 jruoho Exp $"); 33 34 #include <atf-c.h> 35 #include <stdio.h> 36 #include <ucontext.h> 37 38 ATF_TC(ucontext_basic); 39 ATF_TC_HEAD(ucontext_basic, tc) 40 { 41 atf_tc_set_md_var(tc, "descr", "Checks {get,set}context(2)"); 42 } 43 44 ATF_TC_BODY(ucontext_basic, tc) 45 { 46 ucontext_t u, v, w; 47 volatile int x, y; 48 49 x = 0; 50 y = 0; 51 52 printf("Start\n"); 53 54 getcontext(&u); 55 y++; 56 57 printf("x == %d\n", x); 58 59 getcontext(&v); 60 61 if ( x < 20 ) { 62 x++; 63 getcontext(&w); 64 setcontext(&u); 65 } 66 67 printf("End, y = %d\n", y); 68 ATF_REQUIRE_EQ(y, 21); 69 } 70 71 ATF_TP_ADD_TCS(tp) 72 { 73 ATF_TP_ADD_TC(tp, ucontext_basic); 74 75 return atf_no_error(); 76 } 77