Adding upstream version 0.70.1+ds1.upstream/0.70.1+ds1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 97 insertions, 0 deletions

diff --git a/vendor/rustix/src/thread/clock.rs b/vendor/rustix/src/thread/clock.rs
new file mode 100644
index 0000000..8060c02
--- /dev/null
+++ b/vendor/rustix/src/thread/clock.rs
@@ -0,0 +1,97 @@
+use crate::{backend, io};
+
+pub use crate::timespec::Timespec;
+
+#[cfg(not(any(
+    apple,
+    target_os = "dragonfly",
+    target_os = "espidf",
+    target_os = "freebsd", // FreeBSD 12 has clock_nanosleep, but libc targets FreeBSD 11.
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "wasi",
+)))]
+pub use crate::clockid::ClockId;
+
+/// `clock_nanosleep(id, 0, request, remain)`—Sleeps for a duration on a
+/// given clock.
+///
+/// This is `clock_nanosleep` specialized for the case of a relative sleep
+/// interval. See [`clock_nanosleep_absolute`] for absolute intervals.
+///
+/// # References
+///  - [POSIX]
+///  - [Linux]
+///
+/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/clock_nanosleep.html
+/// [Linux]: https://man7.org/linux/man-pages/man2/clock_nanosleep.2.html
+#[cfg(not(any(
+    apple,
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "espidf",
+    target_os = "freebsd", // FreeBSD 12 has clock_nanosleep, but libc targets FreeBSD 11.
+    target_os = "haiku",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "wasi",
+)))]
+#[inline]
+pub fn clock_nanosleep_relative(id: ClockId, request: &Timespec) -> NanosleepRelativeResult {
+    backend::thread::syscalls::clock_nanosleep_relative(id, request)
+}
+
+/// `clock_nanosleep(id, TIMER_ABSTIME, request, NULL)`—Sleeps until an
+/// absolute time on a given clock.
+///
+/// This is `clock_nanosleep` specialized for the case of an absolute sleep
+/// interval. See [`clock_nanosleep_relative`] for relative intervals.
+///
+/// # References
+///  - [POSIX]
+///  - [Linux]
+///
+/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/clock_nanosleep.html
+/// [Linux]: https://man7.org/linux/man-pages/man2/clock_nanosleep.2.html
+#[cfg(not(any(
+    apple,
+    target_os = "dragonfly",
+    target_os = "emscripten",
+    target_os = "espidf",
+    target_os = "freebsd", // FreeBSD 12 has clock_nanosleep, but libc targets FreeBSD 11.
+    target_os = "haiku",
+    target_os = "openbsd",
+    target_os = "redox",
+    target_os = "wasi",
+)))]
+#[inline]
+pub fn clock_nanosleep_absolute(id: ClockId, request: &Timespec) -> io::Result<()> {
+    backend::thread::syscalls::clock_nanosleep_absolute(id, request)
+}
+
+/// `nanosleep(request, remain)`—Sleeps for a duration.
+///
+/// This effectively uses the system monotonic clock.
+///
+/// # References
+///  - [POSIX]
+///  - [Linux]
+///
+/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/nanosleep.html
+/// [Linux]: https://man7.org/linux/man-pages/man2/nanosleep.2.html
+#[inline]
+pub fn nanosleep(request: &Timespec) -> NanosleepRelativeResult {
+    backend::thread::syscalls::nanosleep(request)
+}
+
+/// A return type for `nanosleep` and `clock_nanosleep_relative`.
+#[derive(Debug, Clone)]
+#[must_use]
+pub enum NanosleepRelativeResult {
+    /// The sleep completed normally.
+    Ok,
+    /// The sleep was interrupted, the remaining time is returned.
+    Interrupted(Timespec),
+    /// An invalid time value was provided.
+    Err(io::Errno),
+}