diff options
Diffstat (limited to 'vendor/rustix/src/process/fcntl_getlk.rs')
| -rw-r--r-- | vendor/rustix/src/process/fcntl_getlk.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/vendor/rustix/src/process/fcntl_getlk.rs b/vendor/rustix/src/process/fcntl_getlk.rs new file mode 100644 index 00000000..0dbdb945 --- /dev/null +++ b/vendor/rustix/src/process/fcntl_getlk.rs @@ -0,0 +1,23 @@ +use super::Flock; +use crate::fd::AsFd; +use crate::{backend, io}; + +/// `fcntl(fd, F_GETLK)`—Get the first lock that blocks the lock description +/// pointed to by the argument `lock`. If no such lock is found, then `None` is +/// returned. +/// +/// If `lock.typ` is set to `FlockType::Unlocked`, the returned value/error is +/// not explicitly defined, as per POSIX, and will depend on the underlying +/// platform implementation. +/// +/// # References +/// - [POSIX] +/// - [Linux] +/// +/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9799919799/functions/fcntl.html +/// [Linux]: https://man7.org/linux/man-pages/man2/fcntl.2.html +#[inline] +#[doc(alias = "F_GETLK")] +pub fn fcntl_getlk<Fd: AsFd>(fd: Fd, lock: &Flock) -> io::Result<Option<Flock>> { + backend::process::syscalls::fcntl_getlk(fd.as_fd(), lock) +} |