From 24e4dc6660057aa13c8d021f0dacf4f58bdf5245 Mon Sep 17 00:00:00 2001 From: Bartosz Golaszewski Date: Wed, 14 Oct 2015 17:14:00 +0200 Subject: fanotify: add system call support Add support for fanotify_init() and fanotify_mark() syscalls. The header file is taken from glibc. Signed-off-by: Bartosz Golaszewski --- libc/sysdeps/linux/common/Makefile.in | 1 + libc/sysdeps/linux/common/fanotify.c | 32 +++++++++++++++++++++++++++ libc/sysdeps/linux/common/sys/fanotify.h | 38 ++++++++++++++++++++++++++++++++ 3 files changed, 71 insertions(+) create mode 100644 libc/sysdeps/linux/common/fanotify.c create mode 100644 libc/sysdeps/linux/common/sys/fanotify.h (limited to 'libc') diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in index 82525984a..b75b712ac 100644 --- a/libc/sysdeps/linux/common/Makefile.in +++ b/libc/sysdeps/linux/common/Makefile.in @@ -27,6 +27,7 @@ CSRC-$(UCLIBC_LINUX_SPECIFIC) += \ eventfd.c \ eventfd_read.c \ eventfd_write.c \ + fanotify.c \ getrandom.c \ inotify.c \ ioperm.c \ diff --git a/libc/sysdeps/linux/common/fanotify.c b/libc/sysdeps/linux/common/fanotify.c new file mode 100644 index 000000000..431e0e591 --- /dev/null +++ b/libc/sysdeps/linux/common/fanotify.c @@ -0,0 +1,32 @@ +/* vi: set sw=4 ts=4: */ +/* + * fanotify interface for uClibc + * + * Copyright (C) 2015 by Bartosz Golaszewski + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include +#include + +#ifdef __NR_fanotify_init +_syscall2(int, fanotify_init, unsigned int, flags, unsigned int, event_f_flags) +#endif + +#ifdef __NR_fanotify_mark +# include +# include + +# if __WORDSIZE == 64 +_syscall5(int, fanotify_mark, int, fanotify_fd, unsigned int, flags, + uint64_t, mask, int, dirfd, const char *, pathname) +# else +int fanotify_mark(int fanotify_fd, unsigned int flags, + uint64_t mask, int dirfd, const char *pathname) +{ + return INLINE_SYSCALL(fanotify_mark, 6, fanotify_fd, flags, + OFF64_HI_LO(mask), dirfd, pathname); +} +# endif +#endif diff --git a/libc/sysdeps/linux/common/sys/fanotify.h b/libc/sysdeps/linux/common/sys/fanotify.h new file mode 100644 index 000000000..5eec3e55c --- /dev/null +++ b/libc/sysdeps/linux/common/sys/fanotify.h @@ -0,0 +1,38 @@ +/* Copyright (C) 2010-2015 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 + . */ + +#ifndef _SYS_FANOTIFY_H +#define _SYS_FANOTIFY_H 1 + +#include +#include + + +__BEGIN_DECLS + +/* Create and initialize fanotify group. */ +extern int fanotify_init (unsigned int __flags, unsigned int __event_f_flags) + __THROW; + +/* Add, remove, or modify an fanotify mark on a filesystem object. */ +extern int fanotify_mark (int __fanotify_fd, unsigned int __flags, + uint64_t __mask, int __dfd, const char *__pathname) + __THROW; + +__END_DECLS + +#endif /* sys/fanotify.h */ -- cgit v1.2.3