1 files changed, 131 insertions, 0 deletions
diff --git a/vendor/rustix/src/fs/fcntl.rs b/vendor/rustix/src/fs/fcntl.rs
new file mode 100644
index 000000000..7f89873b5
--- /dev/null
+++ b/vendor/rustix/src/fs/fcntl.rs
@@ -0,0 +1,131 @@
+//! The Unix `fcntl` function is effectively lots of different functions
+//! hidden behind a single dynamic dispatch interface. In order to provide
+//! a type-safe API, rustix makes them all separate functions so that they
+//! can have dedicated static type signatures.
+
+use crate::imp;
+use crate::io::{self, OwnedFd};
+use imp::fd::{AsFd, RawFd};
+use imp::fs::types::{FdFlags, OFlags};
+
+/// `fcntl(fd, F_GETFD)`—Returns a file descriptor's flags.
+///
+/// # References
+///  - [POSIX]
+///  - [Linux]
+///
+/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/fcntl.html
+/// [Linux]: https://man7.org/linux/man-pages/man2/fcntl.2.html
+#[inline]
+#[doc(alias = "F_GETFD")]
+pub fn fcntl_getfd<Fd: AsFd>(fd: Fd) -> io::Result<FdFlags> {
+    imp::fs::syscalls::fcntl_getfd(fd.as_fd())
+}
+
+/// `fcntl(fd, F_SETFD, flags)`—Sets a file descriptor's flags.
+///
+/// # References
+///  - [POSIX]
+///  - [Linux]
+///
+/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/fcntl.html
+/// [Linux]: https://man7.org/linux/man-pages/man2/fcntl.2.html
+#[inline]
+#[doc(alias = "F_SETFD")]
+pub fn fcntl_setfd<Fd: AsFd>(fd: Fd, flags: FdFlags) -> io::Result<()> {
+    imp::fs::syscalls::fcntl_setfd(fd.as_fd(), flags)
+}
+
+/// `fcntl(fd, F_GETFL)`—Returns a file descriptor's access mode and status.
+///
+/// # References
+///  - [POSIX]
+///  - [Linux]
+///
+/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/fcntl.html
+/// [Linux]: https://man7.org/linux/man-pages/man2/fcntl.2.html
+#[inline]
+#[doc(alias = "F_GETFL")]
+pub fn fcntl_getfl<Fd: AsFd>(fd: Fd) -> io::Result<OFlags> {
+    imp::fs::syscalls::fcntl_getfl(fd.as_fd())
+}
+
+/// `fcntl(fd, F_SETFL, flags)`—Sets a file descriptor's status.
+///
+/// # References
+///  - [POSIX]
+///  - [Linux]
+///
+/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/fcntl.html
+/// [Linux]: https://man7.org/linux/man-pages/man2/fcntl.2.html
+#[inline]
+#[doc(alias = "F_SETFL")]
+pub fn fcntl_setfl<Fd: AsFd>(fd: Fd, flags: OFlags) -> io::Result<()> {
+    imp::fs::syscalls::fcntl_setfl(fd.as_fd(), flags)
+}
+
+/// `fcntl(fd, F_GET_SEALS)`
+///
+/// # References
+///  - [Linux]
+///
+/// [Linux]: https://man7.org/linux/man-pages/man2/fcntl.2.html
+#[cfg(any(
+    target_os = "android",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "linux",
+))]
+#[inline]
+#[doc(alias = "F_GET_SEALS")]
+pub fn fcntl_get_seals<Fd: AsFd>(fd: Fd) -> io::Result<SealFlags> {
+    imp::fs::syscalls::fcntl_get_seals(fd.as_fd())
+}
+
+#[cfg(any(
+    target_os = "android",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "linux",
+))]
+pub use imp::fs::types::SealFlags;
+
+/// `fcntl(fd, F_ADD_SEALS)`
+///
+/// # References
+///  - [Linux]
+///
+/// [Linux]: https://man7.org/linux/man-pages/man2/fcntl.2.html
+#[cfg(any(
+    target_os = "android",
+    target_os = "freebsd",
+    target_os = "fuchsia",
+    target_os = "linux",
+))]
+#[inline]
+#[doc(alias = "F_ADD_SEALS")]
+pub fn fcntl_add_seals<Fd: AsFd>(fd: Fd, seals: SealFlags) -> io::Result<()> {
+    imp::fs::syscalls::fcntl_add_seals(fd.as_fd(), seals)
+}
+
+/// `fcntl(fd, F_DUPFD_CLOEXEC)`—Creates a new `OwnedFd` instance, with value
+/// at least `min`, that has `O_CLOEXEC` set and that shares the same
+/// underlying [file description] as `fd`.
+///
+/// POSIX guarantees that `F_DUPFD_CLOEXEC` will use the lowest unused file
+/// descriptor which is at least `min`, however it is not safe in general to
+/// rely on this, as file descriptors may be unexpectedly allocated on other
+/// threads or in libraries.
+///
+/// # References
+///  - [POSIX]
+///  - [Linux]
+///
+/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/fcntl.html
+/// [Linux]: https://man7.org/linux/man-pages/man2/fcntl.2.html
+#[cfg(not(target_os = "wasi"))]
+#[inline]
+#[doc(alias = "F_DUPFD_CLOEXEC")]
+pub fn fcntl_dupfd_cloexec<Fd: AsFd>(fd: Fd, min: RawFd) -> io::Result<OwnedFd> {
+    imp::fs::syscalls::fcntl_dupfd_cloexec(fd.as_fd(), min)
+}