Struct nix::fcntl::OFlag
[−]
pub struct OFlag { /* fields omitted */ }
Configuration options for opened files.
Methods
impl OFlag
pub const O_ACCMODE: OFlag
O_ACCMODE: OFlag = OFlag{bits: libc::O_ACCMODE,}
Mask for the access mode of the file.
pub const O_APPEND: OFlag
O_APPEND: OFlag = OFlag{bits: libc::O_APPEND,}
Open the file in append-only mode.
pub const O_ASYNC: OFlag
O_ASYNC: OFlag = OFlag{bits: libc::O_ASYNC,}
Generate a signal when input or output becomes possible.
pub const O_CLOEXEC: OFlag
O_CLOEXEC: OFlag = OFlag{bits: libc::O_CLOEXEC,}
Closes the file descriptor once an execve
call is made.
Also sets the file offset to the beginning of the file.
pub const O_CREAT: OFlag
O_CREAT: OFlag = OFlag{bits: libc::O_CREAT,}
Create the file if it does not exist.
pub const O_DIRECT: OFlag
O_DIRECT: OFlag = OFlag{bits: libc::O_DIRECT,}
Try to minimize cache effects of the I/O for this file.
pub const O_DIRECTORY: OFlag
O_DIRECTORY: OFlag = OFlag{bits: libc::O_DIRECTORY,}
If the specified path isn't a directory, fail.
pub const O_DSYNC: OFlag
O_DSYNC: OFlag = OFlag{bits: libc::O_DSYNC,}
Implicitly follow each write()
with an fdatasync()
.
pub const O_EXCL: OFlag
O_EXCL: OFlag = OFlag{bits: libc::O_EXCL,}
Error out if a file was not created.
pub const O_FSYNC: OFlag
O_FSYNC: OFlag = OFlag{bits: libc::O_FSYNC,}
Same as O_SYNC
.
pub const O_LARGEFILE: OFlag
O_LARGEFILE: OFlag = OFlag{bits: libc::O_LARGEFILE,}
Allow files whose sizes can't be represented in an off_t
to be opened.
pub const O_NOATIME: OFlag
O_NOATIME: OFlag = OFlag{bits: libc::O_NOATIME,}
Do not update the file last access time during read(2)
s.
pub const O_NOCTTY: OFlag
O_NOCTTY: OFlag = OFlag{bits: libc::O_NOCTTY,}
Don't attach the device as the process' controlling terminal.
pub const O_NDELAY: OFlag
O_NDELAY: OFlag = OFlag{bits: libc::O_NDELAY,}
Same as O_NONBLOCK
.
pub const O_NOFOLLOW: OFlag
O_NOFOLLOW: OFlag = OFlag{bits: libc::O_NOFOLLOW,}
open()
will fail if the given path is a symbolic link.
pub const O_NONBLOCK: OFlag
O_NONBLOCK: OFlag = OFlag{bits: libc::O_NONBLOCK,}
When possible, open the file in nonblocking mode.
pub const O_PATH: OFlag
O_PATH: OFlag = OFlag{bits: libc::O_PATH,}
Obtain a file descriptor for low-level access.
The file itself is not opened and other file operations will fail.
pub const O_RDONLY: OFlag
O_RDONLY: OFlag = OFlag{bits: libc::O_RDONLY,}
Only allow reading.
This should not be combined with O_WRONLY
or O_RDWR
.
pub const O_RDWR: OFlag
O_RDWR: OFlag = OFlag{bits: libc::O_RDWR,}
Allow both reading and writing.
This should not be combined with O_WRONLY
or O_RDWR
.
pub const O_RSYNC: OFlag
O_RSYNC: OFlag = OFlag{bits: libc::O_RSYNC,}
Similar to O_DSYNC
but applies to read
s instead.
pub const O_SYNC: OFlag
O_SYNC: OFlag = OFlag{bits: libc::O_SYNC,}
Implicitly follow each write()
with an fsync()
.
pub const O_TMPFILE: OFlag
O_TMPFILE: OFlag = OFlag{bits: libc::O_TMPFILE,}
Create an unnamed temporary file.
pub const O_TRUNC: OFlag
O_TRUNC: OFlag = OFlag{bits: libc::O_TRUNC,}
Truncate an existing regular file to 0 length if it allows writing.
pub const O_WRONLY: OFlag
O_WRONLY: OFlag = OFlag{bits: libc::O_WRONLY,}
Only allow writing.
This should not be combined with O_RDONLY
or O_RDWR
.
pub fn empty() -> OFlag
Returns an empty set of flags.
pub fn all() -> OFlag
Returns the set containing all flags.
pub fn bits(&self) -> c_int
Returns the raw value of the flags currently stored.
pub fn from_bits(bits: c_int) -> Option<OFlag>
Convert from underlying bit representation, unless that representation contains bits that do not correspond to a flag.
pub fn from_bits_truncate(bits: c_int) -> OFlag
Convert from underlying bit representation, dropping any bits that do not correspond to flags.
pub fn is_empty(&self) -> bool
Returns true
if no flags are currently stored.
pub fn is_all(&self) -> bool
Returns true
if all flags are currently set.
pub fn intersects(&self, other: OFlag) -> bool
Returns true
if there are flags common to both self
and other
.
pub fn contains(&self, other: OFlag) -> bool
Returns true
all of the flags in other
are contained within self
.
pub fn insert(&mut self, other: OFlag)
Inserts the specified flags in-place.
pub fn remove(&mut self, other: OFlag)
Removes the specified flags in-place.
pub fn toggle(&mut self, other: OFlag)
Toggles the specified flags in-place.
pub fn set(&mut self, other: OFlag, value: bool)
Inserts or removes the specified flags depending on the passed value.
Trait Implementations
impl Copy for OFlag
impl PartialEq for OFlag
fn eq(&self, __arg_0: &OFlag) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &OFlag) -> bool
This method tests for !=
.
impl Eq for OFlag
impl Clone for OFlag
fn clone(&self) -> OFlag
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
Performs copy-assignment from source
. Read more
impl PartialOrd for OFlag
fn partial_cmp(&self, __arg_0: &OFlag) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, __arg_0: &OFlag) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, __arg_0: &OFlag) -> bool
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, __arg_0: &OFlag) -> bool
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, __arg_0: &OFlag) -> bool
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl Ord for OFlag
fn cmp(&self, __arg_0: &OFlag) -> Ordering
This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self
1.21.0[src]
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.21.0[src]
Compares and returns the minimum of two values. Read more
impl Hash for OFlag
fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl Debug for OFlag
impl Binary for OFlag
impl Octal for OFlag
impl LowerHex for OFlag
impl UpperHex for OFlag
impl BitOr for OFlag
type Output = OFlag
The resulting type after applying the |
operator.
fn bitor(self, other: OFlag) -> OFlag
Returns the union of the two sets of flags.
impl BitOrAssign for OFlag
fn bitor_assign(&mut self, other: OFlag)
Adds the set of flags.
impl BitXor for OFlag
type Output = OFlag
The resulting type after applying the ^
operator.
fn bitxor(self, other: OFlag) -> OFlag
Returns the left flags, but with all the right flags toggled.
impl BitXorAssign for OFlag
fn bitxor_assign(&mut self, other: OFlag)
Toggles the set of flags.
impl BitAnd for OFlag
type Output = OFlag
The resulting type after applying the &
operator.
fn bitand(self, other: OFlag) -> OFlag
Returns the intersection between the two sets of flags.
impl BitAndAssign for OFlag
fn bitand_assign(&mut self, other: OFlag)
Disables all flags disabled in the set.
impl Sub for OFlag
type Output = OFlag
The resulting type after applying the -
operator.
fn sub(self, other: OFlag) -> OFlag
Returns the set difference of the two sets of flags.
impl SubAssign for OFlag
fn sub_assign(&mut self, other: OFlag)
Disables all flags enabled in the set.
impl Not for OFlag
type Output = OFlag
The resulting type after applying the !
operator.
fn not(self) -> OFlag
Returns the complement of this set of flags.
impl Extend<OFlag> for OFlag
fn extend<T: IntoIterator<Item = OFlag>>(&mut self, iterator: T)
Extends a collection with the contents of an iterator. Read more
impl FromIterator<OFlag> for OFlag
fn from_iter<T: IntoIterator<Item = OFlag>>(iterator: T) -> OFlag
Creates a value from an iterator. Read more