Enum nix::fcntl::FcntlArg

#[non_exhaustive]
pub enum FcntlArg<'a> {
    F_DUPFD(RawFd),
    F_DUPFD_CLOEXEC(RawFd),
    F_GETFD,
    F_SETFD(FdFlag),
    F_GETFL,
    F_SETFL(OFlag),
    F_SETLK(&'a flock),
    F_SETLKW(&'a flock),
    F_GETLK(&'a mut flock),
    F_OFD_SETLK(&'a flock),
    F_OFD_SETLKW(&'a flock),
    F_OFD_GETLK(&'a mut flock),
    F_ADD_SEALS(SealFlag),
    F_GET_SEALS,
    F_GETPIPE_SZ,
    F_SETPIPE_SZ(c_int),
}

Available on crate feature fs only.

Commands for use with fcntl.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

F_DUPFD(RawFd)

Duplicate the provided file descriptor

F_DUPFD_CLOEXEC(RawFd)

Duplicate the provided file descriptor and set the FD_CLOEXEC flag on it.

F_GETFD

Get the close-on-exec flag associated with the file descriptor

F_SETFD(FdFlag)

Set the close-on-exec flag associated with the file descriptor

F_GETFL

Get descriptor status flags

F_SETFL(OFlag)

Set descriptor status flags

F_SETLK(&'a flock)

Set or clear a file segment lock

F_SETLKW(&'a flock)

Like F_SETLK except that if a shared or exclusive lock is blocked by other locks, the process waits until the request can be satisfied.

F_GETLK(&'a mut flock)

Get the first lock that blocks the lock description

F_OFD_SETLK(&'a flock)

Acquire or release an open file description lock

F_OFD_SETLKW(&'a flock)

Like F_OFD_SETLK except that if a conflicting lock is held on the file, then wait for that lock to be released.

F_OFD_GETLK(&'a mut flock)

Determine whether it would be possible to create the given lock. If not, return details about one existing lock that would prevent it.

F_ADD_SEALS(SealFlag)

Add seals to the file

F_GET_SEALS

Get seals associated with the file

F_GETPIPE_SZ

Return the capacity of a pipe

F_SETPIPE_SZ(c_int)

Change the capacity of a pipe

Trait Implementations

impl<'a> Debug for FcntlArg<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'a> Hash for FcntlArg<'a>

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<'a> PartialEq for FcntlArg<'a>

fn eq(&self, other: &FcntlArg<'a>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'a> Eq for FcntlArg<'a>

impl<'a> StructuralPartialEq for FcntlArg<'a>