[PATCH 07/26] tests: Add fanotify_init syscall decoding check

[Eugene Syromyatnikov]

* tests/fanotify_init.c: New file.
* tests/fanotify_init.test: New test.
* tests/.gitignore: Add fanotify_init.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add fanotify_init.test.
---
 tests/.gitignore         |    1 +
 tests/Makefile.am        |    2 ++
 tests/fanotify_init.c    |   68 ++++++++++++++++++++++++++++++++++++++++++++++
 tests/fanotify_init.test |    6 ++++
 4 files changed, 77 insertions(+)
 create mode 100644 tests/fanotify_init.c
 create mode 100755 tests/fanotify_init.test

diff --git a/tests/.gitignore b/tests/.gitignore
index 191bb6f..826df34 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -49,6 +49,7 @@ faccessat
 fadvise64
 fadvise64_64
 fallocate
+fanotify_init
 fanotify_mark
 fchdir
 fchmod
diff --git a/tests/Makefile.am b/tests/Makefile.am
index e3adfbf..a25df97 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -109,6 +109,7 @@ check_PROGRAMS = \
 	fadvise64 \
 	fadvise64_64 \
 	fallocate \
+	fanotify_init \
 	fanotify_mark \
 	fchdir \
 	fchmod \
@@ -470,6 +471,7 @@ DECODER_TESTS = \
 	fadvise64.test \
 	fadvise64_64.test \
 	fallocate.test \
+	fanotify_init.test \
 	fanotify_mark.test \
 	fchdir.test \
 	fchmod.test \
diff --git a/tests/fanotify_init.c b/tests/fanotify_init.c
new file mode 100644
index 0000000..bfefe0e
--- /dev/null
+++ b/tests/fanotify_init.c
@@ -0,0 +1,68 @@
+#include "tests.h"
+
+#include <asm/unistd.h>
+
+#if defined __NR_fanotify_init
+
+# include <limits.h>
+# include <stdio.h>
+# include <unistd.h>
+
+# include "kernel_types.h"
+
+/* Performs fanotify_init call via the syscall interface. */
+static void
+do_call(kernel_ulong_t flags, const char *flags_str,
+	kernel_ulong_t event_f_flags, const char *event_f_flags_str)
+{
+	long rc;
+
+	rc = syscall(__NR_fanotify_init, flags, event_f_flags);
+
+	printf("fanotify_init(%s, %s) = %s\n",
+	       flags_str, event_f_flags_str, sprintrc(rc));
+}
+
+struct strval {
+	kernel_ulong_t val;
+	const char *str;
+};
+
+
+int
+main(void)
+{
+	static const struct strval flags[] = {
+		{ (kernel_ulong_t) 0xffffffff00000000ULL, "FAN_CLASS_NOTIF" },
+		{ (kernel_ulong_t) 0xffffffff0000000cULL,
+			"0xc /* FAN_CLASS_??? */" },
+		{ (kernel_ulong_t) 0xdec0deddefaced04ULL,
+			"FAN_CLASS_CONTENT|0xefaced00 /* FAN_??? */" },
+		{ (kernel_ulong_t) 0xffffffffffffffffULL,
+			"0xc /* FAN_CLASS_??? */|FAN_CLOEXEC|FAN_NONBLOCK|"
+			"FAN_UNLIMITED_QUEUE|FAN_UNLIMITED_MARKS|0xffffffc0" },
+	};
+	static const struct strval event_f_flags[] = {
+		{ (kernel_ulong_t) 0xffffffff00000000ULL, "O_RDONLY" },
+		{ (kernel_ulong_t) 0xdeadbeefff000001ULL,
+			"O_WRONLY|0xff000000" }
+	};
+
+	unsigned int i;
+	unsigned int j;
+
+
+	for (i = 0; i < ARRAY_SIZE(flags); i++)
+		for (j = 0; j < ARRAY_SIZE(event_f_flags); j++)
+			do_call(flags[i].val, flags[i].str,
+				event_f_flags[j].val, event_f_flags[j].str);
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_fanotify_init")
+
+#endif
diff --git a/tests/fanotify_init.test b/tests/fanotify_init.test
new file mode 100755
index 0000000..3bd4663
--- /dev/null
+++ b/tests/fanotify_init.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check decoding of fanotify_init syscall.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff -a32
-- 
1.7.10.4