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authorMara Bos <m-ou.se@m-ou.se>2020-10-07 19:01:56 +0200
committerMara Bos <m-ou.se@m-ou.se>2020-10-16 06:18:59 +0200
commitd1947628b568c1d59048288486e68d917709f4d4 (patch)
tree012c2cd8b2262303ca6912ef3a4530836d4a21ba /library/std/src/sys
parentf875c8be5ddfc734558a1f5d4cb9800477c3f1a1 (diff)
downloadrust-d1947628b568c1d59048288486e68d917709f4d4.tar.gz
rust-d1947628b568c1d59048288486e68d917709f4d4.zip
Take sys/vxworks/time from sys/unix instead.
Diffstat (limited to 'library/std/src/sys')
-rw-r--r--library/std/src/sys/vxworks/mod.rs1
-rw-r--r--library/std/src/sys/vxworks/time.rs197
2 files changed, 1 insertions, 197 deletions
diff --git a/library/std/src/sys/vxworks/mod.rs b/library/std/src/sys/vxworks/mod.rs
index def23c70456..fee0a83e353 100644
--- a/library/std/src/sys/vxworks/mod.rs
+++ b/library/std/src/sys/vxworks/mod.rs
@@ -33,6 +33,7 @@ pub mod stdio;
 pub mod thread;
 pub mod thread_local_dtor;
 pub mod thread_local_key;
+#[path = "../unix/time.rs"]
 pub mod time;
 
 pub use crate::sys_common::os_str_bytes as os_str;
diff --git a/library/std/src/sys/vxworks/time.rs b/library/std/src/sys/vxworks/time.rs
deleted file mode 100644
index 8f46f4d284f..00000000000
--- a/library/std/src/sys/vxworks/time.rs
+++ /dev/null
@@ -1,197 +0,0 @@
-use crate::cmp::Ordering;
-use crate::time::Duration;
-use core::hash::{Hash, Hasher};
-
-pub use self::inner::{Instant, SystemTime, UNIX_EPOCH};
-use crate::convert::TryInto;
-
-const NSEC_PER_SEC: u64 = 1_000_000_000;
-
-#[derive(Copy, Clone)]
-struct Timespec {
-    t: libc::timespec,
-}
-
-impl Timespec {
-    const fn zero() -> Timespec {
-        Timespec { t: libc::timespec { tv_sec: 0, tv_nsec: 0 } }
-    }
-    fn sub_timespec(&self, other: &Timespec) -> Result<Duration, Duration> {
-        if self >= other {
-            Ok(if self.t.tv_nsec >= other.t.tv_nsec {
-                Duration::new(
-                    (self.t.tv_sec - other.t.tv_sec) as u64,
-                    (self.t.tv_nsec - other.t.tv_nsec) as u32,
-                )
-            } else {
-                Duration::new(
-                    (self.t.tv_sec - 1 - other.t.tv_sec) as u64,
-                    self.t.tv_nsec as u32 + (NSEC_PER_SEC as u32) - other.t.tv_nsec as u32,
-                )
-            })
-        } else {
-            match other.sub_timespec(self) {
-                Ok(d) => Err(d),
-                Err(d) => Ok(d),
-            }
-        }
-    }
-
-    fn checked_add_duration(&self, other: &Duration) -> Option<Timespec> {
-        let mut secs = other
-            .as_secs()
-            .try_into() // <- target type would be `libc::time_t`
-            .ok()
-            .and_then(|secs| self.t.tv_sec.checked_add(secs))?;
-
-        // Nano calculations can't overflow because nanos are <1B which fit
-        // in a u32.
-        let mut nsec = other.subsec_nanos() + self.t.tv_nsec as u32;
-        if nsec >= NSEC_PER_SEC as u32 {
-            nsec -= NSEC_PER_SEC as u32;
-            secs = secs.checked_add(1)?;
-        }
-        Some(Timespec { t: libc::timespec { tv_sec: secs, tv_nsec: nsec as _ } })
-    }
-
-    fn checked_sub_duration(&self, other: &Duration) -> Option<Timespec> {
-        let mut secs = other
-            .as_secs()
-            .try_into() // <- target type would be `libc::time_t`
-            .ok()
-            .and_then(|secs| self.t.tv_sec.checked_sub(secs))?;
-
-        // Similar to above, nanos can't overflow.
-        let mut nsec = self.t.tv_nsec as i32 - other.subsec_nanos() as i32;
-        if nsec < 0 {
-            nsec += NSEC_PER_SEC as i32;
-            secs = secs.checked_sub(1)?;
-        }
-        Some(Timespec { t: libc::timespec { tv_sec: secs, tv_nsec: nsec as _ } })
-    }
-}
-
-impl PartialEq for Timespec {
-    fn eq(&self, other: &Timespec) -> bool {
-        self.t.tv_sec == other.t.tv_sec && self.t.tv_nsec == other.t.tv_nsec
-    }
-}
-
-impl Eq for Timespec {}
-
-impl PartialOrd for Timespec {
-    fn partial_cmp(&self, other: &Timespec) -> Option<Ordering> {
-        Some(self.cmp(other))
-    }
-}
-
-impl Ord for Timespec {
-    fn cmp(&self, other: &Timespec) -> Ordering {
-        let me = (self.t.tv_sec, self.t.tv_nsec);
-        let other = (other.t.tv_sec, other.t.tv_nsec);
-        me.cmp(&other)
-    }
-}
-
-impl Hash for Timespec {
-    fn hash<H: Hasher>(&self, state: &mut H) {
-        self.t.tv_sec.hash(state);
-        self.t.tv_nsec.hash(state);
-    }
-}
-mod inner {
-    use crate::fmt;
-    use crate::sys::cvt;
-    use crate::time::Duration;
-
-    use super::Timespec;
-
-    #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-    pub struct Instant {
-        t: Timespec,
-    }
-
-    #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-    pub struct SystemTime {
-        t: Timespec,
-    }
-
-    pub const UNIX_EPOCH: SystemTime =
-        SystemTime { t: Timespec { t: libc::timespec { tv_sec: 0, tv_nsec: 0 } } };
-
-    impl Instant {
-        pub fn now() -> Instant {
-            Instant { t: now(libc::CLOCK_MONOTONIC) }
-        }
-
-        pub const fn zero() -> Instant {
-            Instant { t: Timespec::zero() }
-        }
-
-        pub fn actually_monotonic() -> bool {
-            true
-        }
-
-        pub fn checked_sub_instant(&self, other: &Instant) -> Option<Duration> {
-            self.t.sub_timespec(&other.t).ok()
-        }
-
-        pub fn checked_add_duration(&self, other: &Duration) -> Option<Instant> {
-            Some(Instant { t: self.t.checked_add_duration(other)? })
-        }
-
-        pub fn checked_sub_duration(&self, other: &Duration) -> Option<Instant> {
-            Some(Instant { t: self.t.checked_sub_duration(other)? })
-        }
-    }
-
-    impl fmt::Debug for Instant {
-        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-            f.debug_struct("Instant")
-                .field("tv_sec", &self.t.t.tv_sec)
-                .field("tv_nsec", &self.t.t.tv_nsec)
-                .finish()
-        }
-    }
-
-    impl SystemTime {
-        pub fn now() -> SystemTime {
-            SystemTime { t: now(libc::CLOCK_REALTIME) }
-        }
-
-        pub fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> {
-            self.t.sub_timespec(&other.t)
-        }
-
-        pub fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> {
-            Some(SystemTime { t: self.t.checked_add_duration(other)? })
-        }
-
-        pub fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> {
-            Some(SystemTime { t: self.t.checked_sub_duration(other)? })
-        }
-    }
-
-    impl From<libc::timespec> for SystemTime {
-        fn from(t: libc::timespec) -> SystemTime {
-            SystemTime { t: Timespec { t: t } }
-        }
-    }
-
-    impl fmt::Debug for SystemTime {
-        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-            f.debug_struct("SystemTime")
-                .field("tv_sec", &self.t.t.tv_sec)
-                .field("tv_nsec", &self.t.t.tv_nsec)
-                .finish()
-        }
-    }
-
-    pub type clock_t = libc::c_int;
-
-    fn now(clock: clock_t) -> Timespec {
-        let mut t = Timespec { t: libc::timespec { tv_sec: 0, tv_nsec: 0 } };
-        cvt(unsafe { libc::clock_gettime(clock, &mut t.t) }).unwrap();
-        t
-    }
-}