[src/trunk]: src/tests/syscall Add a test for signal delivery during pselect, ...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/43af3e80d329
branches:  trunk
changeset: 765062:43af3e80d329
user:      christos <christos%NetBSD.org@localhost>
date:      Wed May 18 02:57:48 2011 +0000

description:
Add a test for signal delivery during pselect, with temporary mask change.

diffstat:

 tests/syscall/Makefile    |    4 +-
 tests/syscall/t_pselect.c |  125 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 127 insertions(+), 2 deletions(-)

diffs (147 lines):

diff -r a172f9b8c698 -r 43af3e80d329 tests/syscall/Makefile
--- a/tests/syscall/Makefile    Wed May 18 01:59:39 2011 +0000
+++ b/tests/syscall/Makefile    Wed May 18 02:57:48 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.26 2011/05/02 17:26:23 jruoho Exp $
+# $NetBSD: Makefile,v 1.27 2011/05/18 02:57:48 christos Exp $
 
 .include <bsd.own.mk>
 
@@ -7,7 +7,7 @@
 TESTS_C+=      t_access t_cmsg t_dup t_fsync
 TESTS_C+=      t_getgroups t_getpid t_getrusage t_getsid t_gettimeofday
 TESTS_C+=      t_itimer t_kill t_mmap t_mprotect t_msync t_nanosleep
-TESTS_C+=      t_setrlimit t_setuid t_timer t_umask
+TESTS_C+=      t_pselect t_setrlimit t_setuid t_timer t_umask
 
 LDADD.t_getpid+=       -lpthread
 LDADD.t_timer+=                -lpthread
diff -r a172f9b8c698 -r 43af3e80d329 tests/syscall/t_pselect.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/syscall/t_pselect.c Wed May 18 02:57:48 2011 +0000
@@ -0,0 +1,125 @@
+/*     $NetBSD: t_pselect.c,v 1.1 2011/05/18 02:57:48 christos Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundatiom
+ * by Christos Zoulas.
+ *
+ * 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/types.h>
+#include <sys/select.h>
+#include <sys/wait.h>
+#include <err.h>
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+
+#include <atf-c.h>
+
+static sig_atomic_t keep_going = 1;
+
+static void
+sig_handler(int signum)
+{
+       keep_going = 0;
+}
+
+static void __attribute__((__noreturn__))
+child(void)
+{
+       struct sigaction sa;
+       sigset_t set;
+       int fd;
+
+       memset(&sa, 0, sizeof(sa));
+       sa.sa_handler = sig_handler;
+       if ((fd = open("/dev/null", O_RDONLY)) == -1)
+               err(1, "open");
+
+       if (sigaction(SIGTERM, &sa, NULL) == -1)
+               err(1, "sigaction");
+
+       sigfillset(&set);
+       if (sigprocmask(SIG_BLOCK, &set, NULL) == -1)
+               err(1, "procmask");
+
+       sigemptyset(&set);
+
+       for (;;) {
+               fd_set rset;
+               FD_ZERO(&rset);
+               FD_SET(fd, &rset);
+               if (pselect(1, &rset, NULL, NULL, NULL, &set) == -1) {
+                       if(errno == EINTR) {
+                               if (!keep_going)
+                                       exit(0);
+                       }
+               }
+       }
+}
+
+ATF_TC(pselect_signal_mask);
+ATF_TC_HEAD(pselect_signal_mask, tc)
+{
+
+       /* Cf. PR lib/43625. */
+       atf_tc_set_md_var(tc, "descr",
+           "Checks pselect's temporary mask setting");
+       atf_tc_set_md_var(tc, "timeout", "2");
+}
+
+ATF_TC_BODY(pselect_signal_mask, tc)
+{
+       pid_t pid;
+       int status;
+
+       switch (pid = fork()) {
+       case 0:
+               child();
+       case -1:
+               err(1, "fork");
+       default:
+               usleep(500);
+               if (kill(pid, SIGTERM) == -1)
+                       err(1, "kill");
+               if (waitpid(pid, &status, 0) == -1)
+                       err(1, "wait");
+               break;
+       }
+}
+
+
+ATF_TP_ADD_TCS(tp)
+{
+
+       ATF_TP_ADD_TC(tp, pselect_signal_mask);
+
+       return atf_no_error();
+}