4 files changed, 437 insertions, 1 deletions

diff --git a/lib/libc/sys/Makefile b/lib/libc/sys/Makefile
index f96beb444fea..962cb098c112 100644
--- a/lib/libc/sys/Makefile
+++ b/lib/libc/sys/Makefile
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.43 2016/07/30 11:03:54 njoly Exp $
+# $NetBSD: Makefile,v 1.45 2016/11/11 15:30:44 njoly Exp $
 
 MKMAN=	no
 
@@ -12,6 +12,7 @@ TESTS_C+=		t_access
 TESTS_C+=		t_bind
 TESTS_C+=		t_chroot
 TESTS_C+=		t_clock_gettime
+TESTS_C+=		t_clock_nanosleep
 TESTS_C+=		t_clone
 TESTS_C+=		t_connect
 TESTS_C+=		t_dup
@@ -67,6 +68,8 @@ TESTS_C+=		t_ucontext
 TESTS_C+=		t_umask
 TESTS_C+=		t_unlink
 TESTS_C+=		t_wait
+TESTS_C+=		t_wait_noproc
+TESTS_C+=		t_wait_noproc_wnohang
 TESTS_C+=		t_write
 
 SRCS.t_mprotect=	t_mprotect.c ${SRCS_EXEC_PROT}
diff --git a/lib/libc/sys/t_clock_nanosleep.c b/lib/libc/sys/t_clock_nanosleep.c
new file mode 100644
index 000000000000..8c1fd036b8ba
--- /dev/null
+++ b/lib/libc/sys/t_clock_nanosleep.c
@@ -0,0 +1,63 @@
+/* $NetBSD: t_clock_nanosleep.c,v 1.1 2016/11/11 15:30:44 njoly Exp $ */
+
+/*-
+ * Copyright (c) 2016 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>
+__RCSID("$NetBSD: t_clock_nanosleep.c,v 1.1 2016/11/11 15:30:44 njoly Exp $");
+
+#include <atf-c.h>
+#include <time.h>
+
+ATF_TC(clock_nanosleep_remain);
+ATF_TC_HEAD(clock_nanosleep_remain, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Check clock_nanosleep(2) remaining time");
+}
+
+ATF_TC_BODY(clock_nanosleep_remain, tc)
+{
+	struct timespec rqtp, rmtp;
+
+	rqtp.tv_sec = 0; rqtp.tv_nsec = 0;
+	rmtp.tv_sec = -1; rmtp.tv_nsec = -1;
+	ATF_REQUIRE(clock_nanosleep(CLOCK_REALTIME, 0, &rqtp, &rmtp) == 0);
+	ATF_CHECK(rmtp.tv_sec == 0 && rmtp.tv_nsec == 0);
+
+	ATF_REQUIRE(clock_gettime(CLOCK_REALTIME, &rqtp) == 0);
+	rmtp.tv_sec = -1; rmtp.tv_nsec = -1;
+	ATF_REQUIRE(clock_nanosleep(CLOCK_REALTIME, TIMER_ABSTIME, &rqtp, &rmtp) == 0);
+	ATF_CHECK(rmtp.tv_sec == -1 && rmtp.tv_nsec == -1);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, clock_nanosleep_remain);
+
+	return atf_no_error();
+}
diff --git a/lib/libc/sys/t_wait_noproc.c b/lib/libc/sys/t_wait_noproc.c
new file mode 100644
index 000000000000..5d95e526a187
--- /dev/null
+++ b/lib/libc/sys/t_wait_noproc.c
@@ -0,0 +1,340 @@
+/* $NetBSD: t_wait_noproc.c,v 1.5 2016/11/09 17:50:19 kamil Exp $ */
+
+/*-
+ * Copyright (c) 2016 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>
+__RCSID("$NetBSD: t_wait_noproc.c,v 1.5 2016/11/09 17:50:19 kamil Exp $");
+
+#include <sys/wait.h>
+#include <sys/resource.h>
+
+#include <errno.h>
+#include <stdio.h>
+
+#include <atf-c.h>
+
+#ifndef TWAIT_OPTION
+#define TWAIT_OPTION 0
+#endif
+
+#if TWAIT_OPTION == 0
+ATF_TC(wait);
+ATF_TC_HEAD(wait, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Test that wait(2) returns ECHILD for no child");
+}
+
+ATF_TC_BODY(wait, tc)
+{
+	ATF_REQUIRE_ERRNO(ECHILD, wait(NULL) == -1);
+}
+#endif
+
+ATF_TC(waitpid);
+ATF_TC_HEAD(waitpid, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Test that waitpid(2) returns ECHILD for WAIT_ANY and option %s",
+	    ___STRING(TWAIT_OPTION));
+}
+
+ATF_TC_BODY(waitpid, tc)
+{
+	ATF_REQUIRE_ERRNO(ECHILD, waitpid(WAIT_ANY, NULL, TWAIT_OPTION) == -1);
+}
+
+ATF_TC(waitid);
+ATF_TC_HEAD(waitid, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Test that waitid(2) returns ECHILD for P_ALL and option %s",
+	    ___STRING(TWAIT_OPTION));
+}
+
+ATF_TC_BODY(waitid, tc)
+{
+	ATF_REQUIRE_ERRNO(ECHILD,
+	    waitid(P_ALL, 0, NULL,
+	        WTRAPPED | WEXITED | TWAIT_OPTION) == -1);
+}
+
+ATF_TC(wait3);
+ATF_TC_HEAD(wait3, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Test that wait3(2) returns ECHILD for no child");
+}
+
+ATF_TC_BODY(wait3, tc)
+{
+	ATF_REQUIRE_ERRNO(ECHILD, wait3(NULL, TWAIT_OPTION, NULL) == -1);
+}
+
+ATF_TC(wait4);
+ATF_TC_HEAD(wait4, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Test that wait4(2) returns ECHILD for WAIT_ANY and option %s",
+	    ___STRING(TWAIT_OPTION));
+}
+
+ATF_TC_BODY(wait4, tc)
+{
+	ATF_REQUIRE_ERRNO(ECHILD,
+	    wait4(WAIT_ANY, NULL, TWAIT_OPTION, NULL) == -1);
+}
+
+ATF_TC(wait6);
+ATF_TC_HEAD(wait6, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Test that wait6(2) returns ECHILD for P_ALL and option %s",
+	    ___STRING(TWAIT_OPTION));
+}
+
+ATF_TC_BODY(wait6, tc)
+{
+	ATF_REQUIRE_ERRNO(ECHILD,
+	    wait6(P_ALL, 0, NULL,
+	        WTRAPPED | WEXITED | TWAIT_OPTION, NULL, NULL) == -1);
+}
+
+/*
+ * Generator of valid combinations of options
+ * Usage: i = 0; while ((o = get_options_wait6(i++)) != -1) {}
+ */
+static int
+get_options6(size_t pos)
+{
+	int rv = 0;
+	size_t n;
+
+	/*
+	 * waitid(2) must specify at least one of WEXITED, WUNTRACED,
+	 * WSTOPPED, WTRAPPED or WCONTINUED. Single option WNOWAIT
+	 * isn't valid.
+	 */
+
+	const int matrix[] = {
+		WNOWAIT,	/* First in order to blacklist it easily */
+		WEXITED,
+		WUNTRACED,
+		WSTOPPED,	/* SUS compatibility, equal to WUNTRACED */
+		WTRAPPED,
+		WCONTINUED
+	};
+
+	const size_t M = (1 << __arraycount(matrix)) - 1;
+
+	/* Skip empty and sole WNOWAIT option */
+	pos+=2;
+
+	if (pos > M)
+		return -1;
+
+	for (n = 0; n < __arraycount(matrix); n++) {
+		if (pos & __BIT(n))
+			rv |= matrix[n];
+	}
+
+	return rv;
+}
+
+/*
+ * Generator of valid combinations of options
+ * Usage: i = 0; while ((o = get_options_wait4(i++)) != -1) {}
+ */
+static int
+get_options4(size_t pos)
+{
+	int rv = 0;
+	size_t n;
+
+	const int special[] = {
+		0,
+		WALLSIG,
+		WALTSIG,
+		__WALL,		/* Linux compatibility, equal to WALLSIG */
+		__WCLONE	/* Linux compatibility, equal to WALTSIG */
+	};
+
+	const int matrix[] = {
+		WNOWAIT,
+		WEXITED,
+		WUNTRACED,
+		WSTOPPED,	/* SUS compatibility, equal to WUNTRACED */
+		WTRAPPED,
+		WCONTINUED
+	};
+
+	const size_t M = (1 << __arraycount(special)) - 1;
+
+	if (pos < __arraycount(special))
+		return special[pos];
+
+	pos -= __arraycount(special);
+
+	++pos; /* Don't start with empty mask */
+
+	if (pos > M)
+		return -1;
+
+	for (n = 0; n < __arraycount(special); n++) {
+		if (pos & __BIT(n))
+			rv |= matrix[n];
+	}
+
+	return rv;
+}
+
+ATF_TC(waitpid_options);
+ATF_TC_HEAD(waitpid_options, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Test that waitpid(2) returns ECHILD for WAIT_ANY and valid "
+	    "combination of options with%s WNOHANG",
+	    TWAIT_OPTION == 0 ? "out" : "");
+}
+
+ATF_TC_BODY(waitpid_options, tc)
+{
+	size_t i = 0;
+	int o;
+
+	while((o = get_options4(i++)) != -1) {
+		printf("Testing waitpid(2) with options %x\n", o);
+
+		ATF_REQUIRE_ERRNO(ECHILD,
+		    waitpid(WAIT_ANY, NULL, o | TWAIT_OPTION) == -1);
+	}
+}
+
+ATF_TC(waitid_options);
+ATF_TC_HEAD(waitid_options, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Test that waitid(2) returns ECHILD for P_ALL and valid "
+	    "combination of options with%s WNOHANG",
+	    TWAIT_OPTION == 0 ? "out" : "");
+}
+
+ATF_TC_BODY(waitid_options, tc)
+{
+	size_t i = 0;
+	int o;
+
+	while((o = get_options6(i++)) != -1) {
+		printf("Testing waitid(2) with options %x\n", o);
+
+		ATF_REQUIRE_ERRNO(ECHILD,
+		    waitid(P_ALL, 0, NULL, o | TWAIT_OPTION) == -1);
+	}
+}
+
+ATF_TC(wait3_options);
+ATF_TC_HEAD(wait3_options, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Test that wait3(2) returns ECHILD for no child");
+}
+
+ATF_TC_BODY(wait3_options, tc)
+{
+	size_t i = 0;
+	int o;
+
+	while((o = get_options4(i++)) != -1) {
+		printf("Testing wait3(2) with options %x\n", o);
+
+		ATF_REQUIRE_ERRNO(ECHILD,
+		    wait3(NULL, o | TWAIT_OPTION, NULL) == -1);
+	}
+}
+
+ATF_TC(wait4_options);
+ATF_TC_HEAD(wait4_options, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Test that wait4(2) returns ECHILD for WAIT_ANY and option %s",
+	    ___STRING(TWAIT_OPTION));
+}
+
+ATF_TC_BODY(wait4_options, tc)
+{
+	size_t i = 0;
+	int o;
+
+	while((o = get_options4(i++)) != -1) {
+		printf("Testing wait4(2) with options %x\n", o);
+
+		ATF_REQUIRE_ERRNO(ECHILD,
+		    wait4(WAIT_ANY, NULL, o | TWAIT_OPTION, NULL) == -1);
+	}
+}
+
+ATF_TC(wait6_options);
+ATF_TC_HEAD(wait6_options, tc)
+{
+	atf_tc_set_md_var(tc, "descr",
+	    "Test that wait6(2) returns ECHILD for P_ALL and option %s",
+	    ___STRING(TWAIT_OPTION));
+}
+
+ATF_TC_BODY(wait6_options, tc)
+{
+	size_t i = 0;
+	int o;
+
+	while((o = get_options6(i++)) != -1) {
+		printf("Testing wait6(2) with options %x\n", o);
+
+		ATF_REQUIRE_ERRNO(ECHILD,
+		    wait6(P_ALL, 0, NULL, o | TWAIT_OPTION, NULL, NULL) == -1);
+	}
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+#if TWAIT_OPTION == 0
+	ATF_TP_ADD_TC(tp, wait);
+#endif
+	ATF_TP_ADD_TC(tp, waitpid);
+	ATF_TP_ADD_TC(tp, waitid);
+	ATF_TP_ADD_TC(tp, wait3);
+	ATF_TP_ADD_TC(tp, wait4);
+	ATF_TP_ADD_TC(tp, wait6);
+
+	ATF_TP_ADD_TC(tp, waitpid_options);
+	ATF_TP_ADD_TC(tp, waitid_options);
+	ATF_TP_ADD_TC(tp, wait3_options);
+	ATF_TP_ADD_TC(tp, wait4_options);
+	ATF_TP_ADD_TC(tp, wait6_options);
+
+	return atf_no_error();
+}
diff --git a/lib/libc/sys/t_wait_noproc_wnohang.c b/lib/libc/sys/t_wait_noproc_wnohang.c
new file mode 100644
index 000000000000..45a9998580f0
--- /dev/null
+++ b/lib/libc/sys/t_wait_noproc_wnohang.c
@@ -0,0 +1,30 @@
+/* $NetBSD: t_wait_noproc_wnohang.c,v 1.1 2016/11/06 15:03:30 kamil Exp $ */
+
+/*-
+ * Copyright (c) 2016 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.
+ */
+
+#define TWAIT_OPTION WNOHANG
+#include "t_wait_noproc.c"