diff options
Diffstat (limited to 'lib/std')
| -rw-r--r-- | lib/std/os.zig | 67 | ||||
| -rw-r--r-- | lib/std/os/linux.zig | 60 |
2 files changed, 127 insertions, 0 deletions
diff --git a/lib/std/os.zig b/lib/std/os.zig index f72e2aad42..c8d4f82ff4 100644 --- a/lib/std/os.zig +++ b/lib/std/os.zig @@ -4340,6 +4340,73 @@ pub fn inotify_rm_watch(inotify_fd: i32, wd: i32) void { } } +pub const FanotifyInitError = error{ + ProcessFdQuotaExceeded, + SystemFdQuotaExceeded, + SystemResources, + OperationNotSupported, + PermissionDenied, +} || UnexpectedError; + +pub fn fanotify_init(flags: u32, event_f_flags: u32) FanotifyInitError!i32 { + const rc = system.fanotify_init(flags, event_f_flags); + switch (errno(rc)) { + .SUCCESS => return @as(i32, @intCast(rc)), + .INVAL => unreachable, + .MFILE => return error.ProcessFdQuotaExceeded, + .NFILE => return error.SystemFdQuotaExceeded, + .NOMEM => return error.SystemResources, + .NOSYS => return error.OperationNotSupported, + .PERM => return error.PermissionDenied, + else => |err| return unexpectedErrno(err), + } +} + +pub const FanotifyMarkError = error{ + MarkAlreadyExists, + IsDir, + NotAssociatedWithFileSystem, + FileNotFound, + SystemResources, + UserMarkQuotaExceeded, + NotImplemented, + NotDir, + OperationNotSupported, + PermissionDenied, + NotSameFileSystem, + NameTooLong, +} || UnexpectedError; + +pub fn fanotify_mark(fanotify_fd: i32, flags: u32, mask: u64, dirfd: i32, pathname: ?[]const u8) FanotifyMarkError!void { + if (pathname) |path| { + const path_c = try toPosixPath(path); + return fanotify_markZ(fanotify_fd, flags, mask, dirfd, &path_c); + } + + return fanotify_markZ(fanotify_fd, flags, mask, dirfd, null); +} + +pub fn fanotify_markZ(fanotify_fd: i32, flags: u32, mask: u64, dirfd: i32, pathname: ?[*:0]const u8) FanotifyMarkError!void { + const rc = system.fanotify_mark(fanotify_fd, flags, mask, dirfd, pathname); + switch (errno(rc)) { + .SUCCESS => return, + .BADF => unreachable, + .EXIST => return error.MarkAlreadyExists, + .INVAL => unreachable, + .ISDIR => return error.IsDir, + .NODEV => return error.NotAssociatedWithFileSystem, + .NOENT => return error.FileNotFound, + .NOMEM => return error.SystemResources, + .NOSPC => return error.UserMarkQuotaExceeded, + .NOSYS => return error.NotImplemented, + .NOTDIR => return error.NotDir, + .OPNOTSUPP => return error.OperationNotSupported, + .PERM => return error.PermissionDenied, + .XDEV => return error.NotSameFileSystem, + else => |err| return unexpectedErrno(err), + } +} + pub const MProtectError = error{ /// The memory cannot be given the specified access. This can happen, for example, if you /// mmap(2) a file to which you have read-only access, then ask mprotect() to mark it diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig index 8ab8c71b6a..b49dd300ee 100644 --- a/lib/std/os/linux.zig +++ b/lib/std/os/linux.zig @@ -357,6 +357,14 @@ pub fn inotify_rm_watch(fd: i32, wd: i32) usize { return syscall2(.inotify_rm_watch, @as(usize, @bitCast(@as(isize, fd))), @as(usize, @bitCast(@as(isize, wd)))); } +pub fn fanotify_init(flags: u32, event_f_flags: u32) usize { + return syscall2(.fanotify_init, flags, event_f_flags); +} + +pub fn fanotify_mark(fd: i32, flags: u32, mask: u64, dirfd: i32, pathname: ?[*:0]const u8) usize { + return syscall5(.fanotify_mark, @as(usize, @bitCast(@as(isize, fd))), flags, mask, @as(usize, @bitCast(@as(isize, dirfd))), @intFromPtr(pathname)); +} + pub fn readlink(noalias path: [*:0]const u8, noalias buf_ptr: [*]u8, buf_len: usize) usize { if (@hasField(SYS, "readlink")) { return syscall3(.readlink, @intFromPtr(path), @intFromPtr(buf_ptr), buf_len); @@ -3165,6 +3173,58 @@ pub const IN = struct { pub const ONESHOT = 0x80000000; }; +pub const FAN = struct { + pub const ACCESS = 0x00000001; + pub const MODIFY = 0x00000002; + pub const CLOSE_WRITE = 0x00000008; + pub const CLOSE_NOWRITE = 0x00000010; + pub const OPEN = 0x00000020; + pub const Q_OVERFLOW = 0x00004000; + pub const OPEN_PERM = 0x00010000; + pub const ACCESS_PERM = 0x00020000; + pub const ONDIR = 0x40000000; + pub const EVENT_ON_CHILD = 0x08000000; + pub const CLOSE = CLOSE_WRITE | CLOSE_NOWRITE; + pub const CLOEXEC = 0x00000001; + pub const NONBLOCK = 0x00000002; + pub const CLASS_NOTIF = 0x00000000; + pub const CLASS_CONTENT = 0x00000004; + pub const CLASS_PRE_CONTENT = 0x00000008; + pub const ALL_CLASS_BITS = CLASS_NOTIF | CLASS_CONTENT | CLASS_PRE_CONTENT; + pub const UNLIMITED_QUEUE = 0x00000010; + pub const UNLIMITED_MARKS = 0x00000020; + pub const ALL_INIT_FLAGS = CLOEXEC | NONBLOCK | ALL_CLASS_BITS | UNLIMITED_QUEUE | UNLIMITED_MARKS; + pub const MARK_ADD = 0x00000001; + pub const MARK_REMOVE = 0x00000002; + pub const MARK_DONT_FOLLOW = 0x00000004; + pub const MARK_ONLYDIR = 0x00000008; + pub const MARK_MOUNT = 0x00000010; + pub const MARK_IGNORED_MASK = 0x00000020; + pub const MARK_IGNORED_SURV_MODIFY = 0x00000040; + pub const MARK_FLUSH = 0x00000080; + pub const ALL_MARK_FLAGS = MARK_ADD | MARK_REMOVE | MARK_DONT_FOLLOW | MARK_ONLYDIR | MARK_MOUNT | MARK_IGNORED_MASK | MARK_IGNORED_SURV_MODIFY | MARK_FLUSH; + pub const ALL_EVENTS = ACCESS | MODIFY | CLOSE | OPEN; + pub const ALL_PERM_EVENTS = OPEN_PERM | ACCESS_PERM; + pub const ALL_OUTGOING_EVENTS = ALL_EVENTS | ALL_PERM_EVENTS | Q_OVERFLOW; + pub const ALLOW = 0x01; + pub const DENY = 0x02; +}; + +pub const fanotify_event_metadata = extern struct { + event_len: u32, + vers: u8, + reserved: u8, + metadata_len: u16, + mask: u64 align(8), + fd: i32, + pid: i32, +}; + +pub const fanotify_response = extern struct { + fd: i32, + response: u32, +}; + pub const S = struct { pub const IFMT = 0o170000; |