diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/sys/t_getcontext.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/sys/t_getcontext.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/sys/t_getcontext.c b/contrib/netbsd-tests/lib/libc/sys/t_getcontext.c new file mode 100644 index 0000000..3a2d9f7 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/sys/t_getcontext.c @@ -0,0 +1,129 @@ +/* $NetBSD: t_getcontext.c,v 1.3 2011/07/14 04:59:14 jruoho Exp $ */ + +/*- + * Copyright (c) 2008 The NetBSD Foundation, Inc. + * All rights reserved. + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``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 FOUNDATION OR CONTRIBUTORS + * 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 <sys/cdefs.h> +__COPYRIGHT("@(#) Copyright (c) 2008\ + The NetBSD Foundation, inc. All rights reserved."); +__RCSID("$NetBSD: t_getcontext.c,v 1.3 2011/07/14 04:59:14 jruoho Exp $"); + +#include <atf-c.h> +#include <errno.h> +#include <stdarg.h> +#include <stdlib.h> +#include <ucontext.h> + +#define STACKSZ (10*1024) +#define DEPTH 3 + +static int calls; + +static void +run(int n, ...) +{ + va_list va; + int i, ia; + + ATF_REQUIRE_EQ(n, DEPTH - calls - 1); + + va_start(va, n); + for (i = 0; i < 9; i++) { + ia = va_arg(va, int); + ATF_REQUIRE_EQ(i, ia); + } + va_end(va); + + calls++; +} + +ATF_TC(getcontext_err); +ATF_TC_HEAD(getcontext_err, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test errors from getcontext(2)"); +} + +ATF_TC_BODY(getcontext_err, tc) +{ + + errno = 0; + ATF_REQUIRE_ERRNO(EFAULT, getcontext((void *)-1) == -1); +} + +ATF_TC(setcontext_err); +ATF_TC_HEAD(setcontext_err, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test errors from setcontext(2)"); +} + +ATF_TC_BODY(setcontext_err, tc) +{ + + errno = 0; + ATF_REQUIRE_ERRNO(EFAULT, setcontext((void *)-1) == -1); +} + +ATF_TC(setcontext_link); +ATF_TC_HEAD(setcontext_link, tc) +{ + + atf_tc_set_md_var(tc, "descr", + "Checks get/make/setcontext(), context linking via uc_link(), " + "and argument passing to the new context"); +} + +ATF_TC_BODY(setcontext_link, tc) +{ + ucontext_t uc[DEPTH]; + ucontext_t save; + volatile int i = 0; /* avoid longjmp clobbering */ + + for (i = 0; i < DEPTH; ++i) { + ATF_REQUIRE_EQ(getcontext(&uc[i]), 0); + + uc[i].uc_stack.ss_sp = malloc(STACKSZ); + uc[i].uc_stack.ss_size = STACKSZ; + uc[i].uc_link = (i > 0) ? &uc[i - 1] : &save; + + makecontext(&uc[i], (void *)run, 10, i, + 0, 1, 2, 3, 4, 5, 6, 7, 8); + } + + ATF_REQUIRE_EQ(getcontext(&save), 0); + + if (calls == 0) + ATF_REQUIRE_EQ(setcontext(&uc[DEPTH-1]), 0); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, getcontext_err); + ATF_TP_ADD_TC(tp, setcontext_err); + ATF_TP_ADD_TC(tp, setcontext_link); + + return atf_no_error(); +} |
