1 files changed, 105 insertions, 0 deletions
diff --git a/vendor/rustix/src/clockid.rs b/vendor/rustix/src/clockid.rs
new file mode 100644
index 000000000..84ae650a5
--- /dev/null
+++ b/vendor/rustix/src/clockid.rs
@@ -0,0 +1,105 @@
+use crate::backend::c;
+use crate::fd::BorrowedFd;
+
+/// `CLOCK_*` constants for use with [`clock_gettime`].
+///
+/// These constants are always supported at runtime, so `clock_gettime` never
+/// has to fail with `INVAL` due to an unsupported clock. See
+/// [`DynamicClockId`] for a greater set of clocks, with the caveat that not
+/// all of them are always supported.
+///
+/// [`clock_gettime`]: crate::time::clock_gettime
+#[cfg(not(any(apple, target_os = "wasi")))]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
+#[cfg_attr(not(target_os = "dragonfly"), repr(i32))]
+#[cfg_attr(target_os = "dragonfly", repr(u64))]
+#[non_exhaustive]
+pub enum ClockId {
+    /// `CLOCK_REALTIME`
+    Realtime = c::CLOCK_REALTIME,
+
+    /// `CLOCK_MONOTONIC`
+    Monotonic = c::CLOCK_MONOTONIC,
+
+    /// `CLOCK_UPTIME`
+    #[cfg(any(freebsdlike, target_os = "openbsd"))]
+    Uptime = c::CLOCK_UPTIME,
+
+    /// `CLOCK_PROCESS_CPUTIME_ID`
+    #[cfg(not(any(solarish, target_os = "netbsd", target_os = "redox")))]
+    ProcessCPUTime = c::CLOCK_PROCESS_CPUTIME_ID,
+
+    /// `CLOCK_THREAD_CPUTIME_ID`
+    #[cfg(not(any(solarish, target_os = "netbsd", target_os = "redox")))]
+    ThreadCPUTime = c::CLOCK_THREAD_CPUTIME_ID,
+
+    /// `CLOCK_REALTIME_COARSE`
+    #[cfg(any(linux_kernel, target_os = "freebsd"))]
+    RealtimeCoarse = c::CLOCK_REALTIME_COARSE,
+
+    /// `CLOCK_MONOTONIC_COARSE`
+    #[cfg(any(linux_kernel, target_os = "freebsd"))]
+    MonotonicCoarse = c::CLOCK_MONOTONIC_COARSE,
+
+    /// `CLOCK_MONOTONIC_RAW`
+    #[cfg(linux_kernel)]
+    MonotonicRaw = c::CLOCK_MONOTONIC_RAW,
+}
+
+/// `CLOCK_*` constants for use with [`clock_gettime`].
+///
+/// These constants are always supported at runtime, so `clock_gettime` never
+/// has to fail with `INVAL` due to an unsupported clock. See
+/// [`DynamicClockId`] for a greater set of clocks, with the caveat that not
+/// all of them are always supported.
+#[cfg(apple)]
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
+#[repr(u32)]
+#[non_exhaustive]
+pub enum ClockId {
+    /// `CLOCK_REALTIME`
+    Realtime = c::CLOCK_REALTIME,
+
+    /// `CLOCK_MONOTONIC`
+    Monotonic = c::CLOCK_MONOTONIC,
+
+    /// `CLOCK_PROCESS_CPUTIME_ID`
+    ProcessCPUTime = c::CLOCK_PROCESS_CPUTIME_ID,
+
+    /// `CLOCK_THREAD_CPUTIME_ID`
+    ThreadCPUTime = c::CLOCK_THREAD_CPUTIME_ID,
+}
+
+/// `CLOCK_*` constants for use with [`clock_gettime_dynamic`].
+///
+/// These constants may be unsupported at runtime, depending on the OS version,
+/// and `clock_gettime_dynamic` may fail with `INVAL`. See [`ClockId`] for
+/// clocks which are always supported at runtime.
+///
+/// [`clock_gettime_dynamic`]: crate::time::clock_gettime_dynamic
+#[cfg(not(target_os = "wasi"))]
+#[derive(Debug, Copy, Clone)]
+#[non_exhaustive]
+pub enum DynamicClockId<'a> {
+    /// `ClockId` values that are always supported at runtime.
+    Known(ClockId),
+
+    /// Linux dynamic clocks.
+    Dynamic(BorrowedFd<'a>),
+
+    /// `CLOCK_REALTIME_ALARM`, available on Linux >= 3.0
+    #[cfg(linux_kernel)]
+    RealtimeAlarm,
+
+    /// `CLOCK_TAI`, available on Linux >= 3.10
+    #[cfg(linux_kernel)]
+    Tai,
+
+    /// `CLOCK_BOOTTIME`, available on Linux >= 2.6.39
+    #[cfg(any(linux_kernel, target_os = "openbsd"))]
+    Boottime,
+
+    /// `CLOCK_BOOTTIME_ALARM`, available on Linux >= 2.6.39
+    #[cfg(linux_kernel)]
+    BoottimeAlarm,
+}