From: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon, 7 Dec 2015 00:06:35 +0000 (+0000)
Subject: tests: add umount.test and umount2.test
X-Git-Tag: v4.11~46
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=08a178366aeb7befba2fcd173aad9e4cc38ab0c5;p=strace

tests: add umount.test and umount2.test

* tests/umount.c: New file.
* tests/umount2.c: Likewise.
* tests/umount.test: New test.
* tests/umount2.test: Likewise.
* tests/Makefile.am (check_PROGRAMS): Add umount and umount2.
(TESTS): Add umount.test and umount2.test.
* tests/.gitignore: Add umount and umount2.
---

diff --git a/tests/.gitignore b/tests/.gitignore
index ca3eb2bc..3cdfc653 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -83,6 +83,8 @@ uid
 uid16
 uid32
 uio
+umount
+umount2
 umovestr
 umovestr2
 unix-pair-send-recv
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 56e64ab5..71c8130e 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -96,6 +96,8 @@ check_PROGRAMS = \
 	uid16 \
 	uid32 \
 	uio \
+	umount \
+	umount2 \
 	umovestr \
 	umovestr2 \
 	unix-pair-send-recv \
@@ -210,6 +212,8 @@ TESTS = \
 	times-fail.test \
 	truncate.test \
 	truncate64.test \
+	umount.test \
+	umount2.test \
 	umovestr.test \
 	umovestr2.test \
 	unix-yy.test \
diff --git a/tests/umount.c b/tests/umount.c
new file mode 100644
index 00000000..380417d2
--- /dev/null
+++ b/tests/umount.c
@@ -0,0 +1,44 @@
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/mount.h>
+#include <sys/syscall.h>
+
+#ifdef __NR_oldumount
+# define TEST_SYSCALL_STR "oldumount"
+#else
+# if defined __NR_umount && defined __NR_umount2
+#  define __NR_oldumount __NR_umount
+#  define TEST_SYSCALL_STR "umount"
+# endif
+#endif
+
+int
+main(void)
+{
+#ifdef __NR_oldumount
+	static const char sample[] = "umount.sample";
+	if (mkdir(sample, 0700)) {
+		perror(sample);
+		return 77;
+	}
+	(void) syscall(__NR_oldumount, sample);
+	printf("%s(\"%s\") = -1 ", TEST_SYSCALL_STR, sample);
+	switch (errno) {
+		case ENOSYS:
+			printf("ENOSYS (%m)\n");
+			break;
+		case EPERM:
+			printf("EPERM (%m)\n");
+			break;
+		default:
+			printf("EINVAL (%m)\n");
+	}
+	(void) rmdir(sample);
+	puts("+++ exited with 0 +++");
+	return 0;
+#else
+	return 77;
+#endif
+}
diff --git a/tests/umount.test b/tests/umount.test
new file mode 100755
index 00000000..bcabd09b
--- /dev/null
+++ b/tests/umount.test
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Check umount syscall decoding.
+
+. "${srcdir=.}/init.sh"
+
+run_prog > /dev/null
+case "$STRACE_ARCH" in
+	alpha) syscall=oldumount ;;
+	*) syscall=umount ;;
+esac
+OUT="$LOG.out"
+run_strace -a24 -s6 -e$syscall $args > "$OUT"
+match_diff "$LOG" "$OUT"
+rm -f "$OUT"
+
+exit 0
diff --git a/tests/umount2.c b/tests/umount2.c
new file mode 100644
index 00000000..141e3838
--- /dev/null
+++ b/tests/umount2.c
@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/mount.h>
+#include <sys/syscall.h>
+
+#ifdef __NR_umount2
+# define TEST_SYSCALL_STR "umount2"
+#else
+# define __NR_umount2 __NR_umount
+# define TEST_SYSCALL_STR "umount"
+#endif
+
+int
+main(void)
+{
+	static const char sample[] = "umount2.sample";
+	if (mkdir(sample, 0700)) {
+		perror(sample);
+		return 77;
+	}
+	(void) syscall(__NR_umount2, sample, 31);
+	printf("%s(\"%s\", MNT_FORCE|MNT_DETACH|MNT_EXPIRE|UMOUNT_NOFOLLOW|0x10)"
+	       " = -1 EINVAL (%m)\n", TEST_SYSCALL_STR, sample);
+	(void) rmdir(sample);
+	puts("+++ exited with 0 +++");
+	return 0;
+}
diff --git a/tests/umount2.test b/tests/umount2.test
new file mode 100755
index 00000000..ad4b25f3
--- /dev/null
+++ b/tests/umount2.test
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Check umount2 syscall decoding.
+
+. "${srcdir=.}/init.sh"
+
+run_prog > /dev/null
+case "$STRACE_ARCH" in
+	alpha|ia64) syscall=umount ;;
+	*) syscall=umount2 ;;
+esac
+OUT="$LOG.out"
+run_strace -s7 -e$syscall $args > "$OUT"
+match_diff "$LOG" "$OUT"
+rm -f "$OUT"
+
+exit 0