linux: Add fanotify_mark C implementation

Passing 64-bit arguments on syscalls.list is tricky: it requires
to reimplement the expected kernel abi in each architecture.  This
is way to better to represent in C code where we already have
macros for this (SYSCALL_LL64).

Checked on x86_64-linux-gnu.

1 files changed, 36 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/linux/fanotify_mark.c b/sysdeps/unix/sysv/linux/fanotify_mark.c
new file mode 100644
index 0000000000..6269b2c6e0
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/fanotify_mark.c
@@ -0,0 +1,36 @@
+/* Add, remove, or modify an fanotify mark on a filesystem object.
+   Linux specific syscall.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sys/fanotify.h>
+#include <sysdep.h>
+
+int
+__fanotify_mark (int fd, unsigned int flags, uint64_t mask, int dirfd,
+	         const char *pathname)
+{
+  return INLINE_SYSCALL_CALL (fanotify_mark, fd, flags, SYSCALL_LL64 (mask),
+			      dirfd, pathname);
+}
+#ifdef VERSION_fanotify_mark
+# include <shlib-compat.h>
+versioned_symbol (libc, __fanotify_mark, fanotify_mark,
+		  VERSION_fanotify_mark);
+#else
+weak_alias (__fanotify_mark, fanotify_mark)
+#endif