From a8eb52f9523fabe8789c4ce38417bfdd2c1cc5cc Mon Sep 17 00:00:00 2001
From: "Dmitry V. Levin" <ldv@altlinux.org>
Date: Thu, 21 Jan 2016 23:52:39 +0000
Subject: [PATCH] tests: use local nanosleep based sleep utility replacement

* tests/sleep.c: New file.
* tests/.gitignore: Add sleep.
* tests/Makefile.am (check_PROGRAMS): Likewise.
* tests/count.test: Use it instead of system sleep utility.
---
 tests/.gitignore  |  1 +
 tests/Makefile.am |  1 +
 tests/count.test  | 14 ++++++-------
 tests/sleep.c     | 50 +++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 59 insertions(+), 7 deletions(-)
 create mode 100644 tests/sleep.c

diff --git a/tests/.gitignore b/tests/.gitignore
index 34e8c2a1..4f552d6b 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -83,6 +83,7 @@ sigaction
 sigaltstack
 signalfd
 sigreturn
+sleep
 stack-fcall
 stat
 stat64
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 8a918712..65350307 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -130,6 +130,7 @@ check_PROGRAMS = \
 	signalfd \
 	sigreturn \
 	stack-fcall \
+	sleep \
 	stat \
 	stat64 \
 	statfs \
diff --git a/tests/count.test b/tests/count.test
index 60d2c73a..cfd9e83e 100755
--- a/tests/count.test
+++ b/tests/count.test
@@ -2,7 +2,7 @@
 #
 # Check whether -c and -w options work.
 #
-# Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
+# Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -29,14 +29,14 @@
 
 . "${srcdir=.}/init.sh"
 
+run_prog ./sleep 0
 check_prog grep
-check_prog sleep
 
 grep_log()
 {
 	local pattern="$1"; shift
 
-	run_strace "$@"
+	run_strace "$@" ./sleep 1
 
 	grep nanosleep "$LOG" > /dev/null ||
 		framework_skip_ 'sleep does not use nanosleep'
@@ -48,9 +48,9 @@ grep_log()
 	}
 }
 
-grep_log ' *[^ ]+ +0\.0[^n]*nanosleep'		-c sleep 1
-grep_log ' *[^ ]+ +0\.0[^n]*nanosleep'		-c -enanosleep sleep 1
-grep_log ' *[^ ]+ +(1\.0|0\.99)[^n]*nanosleep'	-cw sleep 1
-grep_log '100\.00 +(1\.0|0\.99)[^n]*nanosleep'	-cw -enanosleep sleep 1
+grep_log ' *[^ ]+ +0\.0[^n]*nanosleep'		-c
+grep_log ' *[^ ]+ +0\.0[^n]*nanosleep'		-c -enanosleep
+grep_log ' *[^ ]+ +(1\.0|0\.99)[^n]*nanosleep'	-cw
+grep_log '100\.00 +(1\.0|0\.99)[^n]*nanosleep'	-cw -enanosleep
 
 exit 0
diff --git a/tests/sleep.c b/tests/sleep.c
new file mode 100644
index 00000000..725d0f23
--- /dev/null
+++ b/tests/sleep.c
@@ -0,0 +1,50 @@
+/*
+ * A simple nanosleep based sleep(1) replacement.
+ *
+ * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "tests.h"
+#include <errno.h>
+#include <stdlib.h>
+#include <time.h>
+
+int
+main(int ac, char **av)
+{
+	if (ac < 2)
+		error_msg_and_fail("missing operand");
+
+	if (ac > 2)
+		error_msg_and_fail("extra operand");
+
+	struct timespec ts = { atoi(av[1]), 0 };
+
+	if (nanosleep(&ts, NULL))
+		perror_msg_and_fail("nanosleep");
+
+	return 0;
+}
-- 
2.40.0