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[src/trunk]: src Move the siginfo tests from regress to atf. While here, add...



details:   https://anonhg.NetBSD.org/src/rev/69f58f8dd40d
branches:  trunk
changeset: 760042:69f58f8dd40d
user:      pgoyette <pgoyette%NetBSD.org@localhost>
date:      Sat Dec 25 01:04:26 2010 +0000

description:
Move the siginfo tests from regress to atf.  While here, add a new test
for PR/43655.

XXX The sigchild_dump test currently fails when execute under atf-run.
XXX It does not fail when executed directly from the shell, so there's
XXX something in atf that prevents the child process from dumping.

diffstat:

 distrib/sets/lists/tests/mi    |    4 +-
 tests/lib/libc/gen/Makefile    |    3 +-
 tests/lib/libc/gen/t_siginfo.c |  398 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 403 insertions(+), 2 deletions(-)

diffs (truncated from 444 to 300 lines):

diff -r ac5bd4b41a84 -r 69f58f8dd40d distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi       Fri Dec 24 23:39:19 2010 +0000
+++ b/distrib/sets/lists/tests/mi       Sat Dec 25 01:04:26 2010 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.188 2010/12/24 12:41:42 skrll Exp $
+# $NetBSD: mi,v 1.189 2010/12/25 01:04:27 pgoyette Exp $
 #
 # Note: don't delete entries from here - mark them as "obsolete" instead.
 #
@@ -321,6 +321,7 @@
 ./usr/libdata/debug/usr/tests/lib/libc/gen/t_basedirname.debug         tests-lib-debug         debug,atf
 ./usr/libdata/debug/usr/tests/lib/libc/gen/t_glob_star.debug           tests-lib-debug         debug,atf
 ./usr/libdata/debug/usr/tests/lib/libc/gen/t_syslog_pthread.debug              tests-lib-debug         debug,atf
+./usr/libdata/debug/usr/tests/lib/libc/gen/t_siginfo.debug             tests-lib-debug         debug,atf
 ./usr/libdata/debug/usr/tests/lib/libc/hash                            tests-lib-debug
 ./usr/libdata/debug/usr/tests/lib/libc/hash/t_sha2.debug               tests-lib-debug         debug,atf
 ./usr/libdata/debug/usr/tests/lib/libc/stdio                           tests-lib-debug
@@ -1541,6 +1542,7 @@
 ./usr/tests/lib/libc/gen/t_basedirname         tests-lib-tests         atf
 ./usr/tests/lib/libc/gen/t_glob_star           tests-lib-tests         atf
 ./usr/tests/lib/libc/gen/t_syslog_pthread      tests-lib-tests         atf
+./usr/tests/lib/libc/gen/t_siginfo             tests-lib-tests         atf
 ./usr/tests/lib/libc/hash                      tests-lib-tests
 ./usr/tests/lib/libc/hash/Atffile              tests-lib-tests         atf
 ./usr/tests/lib/libc/hash/t_sha2               tests-lib-tests         atf
diff -r ac5bd4b41a84 -r 69f58f8dd40d tests/lib/libc/gen/Makefile
--- a/tests/lib/libc/gen/Makefile       Fri Dec 24 23:39:19 2010 +0000
+++ b/tests/lib/libc/gen/Makefile       Sat Dec 25 01:04:26 2010 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.3 2010/12/22 23:45:44 pgoyette Exp $
+# $NetBSD: Makefile,v 1.4 2010/12/25 01:04:26 pgoyette Exp $
 
 .include <bsd.own.mk>
 
@@ -7,6 +7,7 @@
 TESTS_C+=      t_glob_star
 TESTS_C+=      t_syslog_pthread
 TESTS_C+=      t_basedirname
+TESTS_C+=      t_siginfo
 
 LDADD.t_syslog_pthread+=-lpthread
 
diff -r ac5bd4b41a84 -r 69f58f8dd40d tests/lib/libc/gen/t_siginfo.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/lib/libc/gen/t_siginfo.c    Sat Dec 25 01:04:26 2010 +0000
@@ -0,0 +1,398 @@
+/* $NetBSD */
+
+/*-
+ * Copyright (c) 2010 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 <atf-c.h>
+
+#include <sys/resource.h>
+#include <sys/time.h>
+#include <sys/ucontext.h>
+#include <sys/wait.h>
+
+#include <assert.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#ifndef __vax__
+#include <ieeefp.h>
+#endif
+
+/* for sigchild */
+pid_t child;
+int code;
+int status;
+
+/* for sigfpe */
+sig_atomic_t fltdiv_signalled = 0;
+sig_atomic_t intdiv_signalled = 0;
+
+static void
+sig_debug(int signo, siginfo_t *info, ucontext_t *ctx)
+{
+       unsigned int i;
+       mcontext_t *mc = &ctx->uc_mcontext;
+
+       printf("%d %p %p\n", signo, info, ctx);
+       if (info != NULL) {
+               printf("si_signo=%d\n", info->si_signo);
+               printf("si_errno=%d\n", info->si_errno);
+               printf("si_code=%d\n", info->si_code);
+               printf("si_value.sival_int=%d\n", info->si_value.sival_int);
+       }
+       if (ctx != NULL) {
+               printf("uc_flags 0x%x\n", ctx->uc_flags);
+               printf("uc_link %p\n", ctx->uc_link);
+               for (i = 0; i < __arraycount(ctx->uc_sigmask.__bits); i++)
+                       printf("uc_sigmask[%d] 0x%x\n", i,
+                           ctx->uc_sigmask.__bits[i]);
+               printf("uc_stack %p %lu 0x%x\n", ctx->uc_stack.ss_sp, 
+                   (unsigned long)ctx->uc_stack.ss_size,
+                   ctx->uc_stack.ss_flags);
+               for (i = 0; i < __arraycount(mc->__gregs); i++)
+                       printf("uc_mcontext.greg[%d] 0x%lx\n", i,
+                           mc->__gregs[i]);
+       }
+}
+
+static void
+sigalrm_action(int signo, siginfo_t *info, void *ptr)
+{
+
+       sig_debug(signo, info, (ucontext_t *)ptr);
+
+       ATF_REQUIRE_EQ(info->si_signo, SIGALRM);
+       ATF_REQUIRE_EQ(info->si_code, SI_TIMER);
+       ATF_REQUIRE_EQ(info->si_value.sival_int, ITIMER_REAL);
+
+       atf_tc_pass();
+       /* NOTREACHED */
+}
+
+ATF_TC(sigalarm);
+
+ATF_TC_HEAD(sigalarm, tc)
+{ 
+
+       atf_tc_set_md_var(tc, "descr",
+           "Checks that signal trampoline correctly calls SIGALRM handler"); 
+}
+
+ATF_TC_BODY(sigalarm, tc)
+{
+       struct sigaction sa;
+       sa.sa_flags = SA_SIGINFO;
+       sa.sa_sigaction = sigalrm_action;
+       sigemptyset(&sa.sa_mask);
+       sigaction(SIGALRM, &sa, NULL);
+       for (;;) {
+               alarm(1);
+               sleep(1);
+       }
+       atf_tc_fail("SIGALRM handler wasn't called"); 
+}
+
+static void
+sigchild_action(int signo, siginfo_t *info, void *ptr)
+{
+       if (info != NULL) {
+               printf("info=%p\n", info);
+               printf("ptr=%p\n", ptr);
+               printf("si_signo=%d\n", info->si_signo);
+               printf("si_errno=%d\n", info->si_errno);
+               printf("si_code=%d\n", info->si_code);
+               printf("si_uid=%d\n", info->si_uid);
+               printf("si_pid=%d\n", info->si_pid);
+               printf("si_status=%d\n", info->si_status);
+               printf("si_utime=%d\n", info->si_utime);
+               printf("si_stime=%d\n", info->si_stime);
+       }
+       ATF_REQUIRE_EQ(info->si_code, code);
+       ATF_REQUIRE_EQ(info->si_signo, SIGCHLD);
+       ATF_REQUIRE_EQ(info->si_uid, getuid());
+       ATF_REQUIRE_EQ(info->si_pid, child);
+       if (WIFEXITED(info->si_status))
+               ATF_REQUIRE_EQ(WEXITSTATUS(info->si_status), status);
+       else if (WIFSTOPPED(info->si_status))
+               ATF_REQUIRE_EQ(WSTOPSIG(info->si_status), status);
+       else if (WIFSIGNALED(info->si_status))
+               ATF_REQUIRE_EQ(WTERMSIG(info->si_status), status);
+}
+
+static void
+setchildhandler(void (*action)(int, siginfo_t *, void *))
+{
+       struct sigaction sa;
+       sa.sa_flags = SA_SIGINFO;
+       sa.sa_sigaction = action;
+       sigemptyset(&sa.sa_mask);
+       sigaction(SIGCHLD, &sa, NULL);
+}
+
+static void
+sigchild_setup(void)
+{
+       sigset_t set;
+       struct rlimit rlim;
+
+       (void)getrlimit(RLIMIT_CORE, &rlim);
+       rlim.rlim_cur = rlim.rlim_max;
+       (void)setrlimit(RLIMIT_CORE, &rlim);
+
+       setchildhandler(sigchild_action);
+       sigemptyset(&set);
+       sigaddset(&set, SIGCHLD);
+       sigprocmask(SIG_BLOCK, &set, NULL);
+}
+
+ATF_TC(sigchild_normal);
+ATF_TC_HEAD(sigchild_normal, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr",
+           "Checks that signal trampoline correctly calls SIGCHLD handler "
+           "when child exits normally");
+}
+
+ATF_TC_BODY(sigchild_normal, tc)
+{
+       sigset_t set;
+
+       sigchild_setup(); 
+
+       status = 25;
+       code = CLD_EXITED;
+
+       switch ((child = fork())) {
+       case 0:
+               sleep(1);
+               exit(status);
+       case -1:
+               atf_tc_fail("fork failed");
+       default:
+               sigemptyset(&set);
+               sigsuspend(&set);
+       }
+}
+
+ATF_TC(sigchild_dump);
+ATF_TC_HEAD(sigchild_dump, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr",
+           "Checks that signal trampoline correctly calls SIGCHLD handler "
+           "when child segfaults");
+}
+
+ATF_TC_BODY(sigchild_dump, tc)
+{ 
+       sigset_t set;
+
+       sigchild_setup(); 
+
+       status = SIGSEGV;
+       code = CLD_DUMPED;
+
+       switch ((child = fork())) {
+       case 0:
+               sleep(1);
+               *(long *)0 = 0;
+               atf_tc_fail("Child did not segfault");
+               /* NOTREACHED */
+       case -1:
+               atf_tc_fail("fork failed");
+       default:
+               sigemptyset(&set);
+               sigsuspend(&set);
+       }
+}
+
+ATF_TC(sigchild_kill);
+ATF_TC_HEAD(sigchild_kill, tc)
+{
+
+       atf_tc_set_md_var(tc, "descr",
+           "Checks that signal trampoline correctly calls SIGCHLD handler "
+           "when child is killed");
+}
+
+ATF_TC_BODY(sigchild_kill, tc)
+{ 
+       sigset_t set;
+
+       sigchild_setup(); 
+
+       status = SIGPIPE;
+       code = CLD_KILLED;
+
+       switch ((child = fork())) {
+       case 0:



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