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/umount.c b/tests/umount.c
new file mode 100644
index 0000000..380417d
--- /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
+}