1 files changed, 0 insertions, 192 deletions
diff --git a/ctr-std/src/sys/unix/condvar.rs b/ctr-std/src/sys/unix/condvar.rs
deleted file mode 100644
index 2007da7..0000000
--- a/ctr-std/src/sys/unix/condvar.rs
+++ /dev/null
@@ -1,192 +0,0 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-use cell::UnsafeCell;
-use libc;
-use sys::mutex::{self, Mutex};
-use time::Duration;
-
-pub struct Condvar { inner: UnsafeCell<libc::pthread_cond_t> }
-
-unsafe impl Send for Condvar {}
-unsafe impl Sync for Condvar {}
-
-const TIMESPEC_MAX: libc::timespec = libc::timespec {
-    tv_sec: <libc::time_t>::max_value(),
-    tv_nsec: 1_000_000_000 - 1,
-};
-
-fn saturating_cast_to_time_t(value: u64) -> libc::time_t {
-    if value > <libc::time_t>::max_value() as u64 {
-        <libc::time_t>::max_value()
-    } else {
-        value as libc::time_t
-    }
-}
-
-impl Condvar {
-    pub const fn new() -> Condvar {
-        // Might be moved and address is changing it is better to avoid
-        // initialization of potentially opaque OS data before it landed
-        Condvar { inner: UnsafeCell::new(libc::PTHREAD_COND_INITIALIZER) }
-    }
-
-    #[cfg(any(target_os = "macos",
-              target_os = "ios",
-              target_os = "l4re",
-              target_os = "android",
-              target_os = "hermit"))]
-    pub unsafe fn init(&mut self) {}
-
-    #[cfg(not(any(target_os = "macos",
-                  target_os = "ios",
-                  target_os = "l4re",
-                  target_os = "android",
-                  target_os = "hermit")))]
-    pub unsafe fn init(&mut self) {
-        use mem;
-        let mut attr: libc::pthread_condattr_t = mem::uninitialized();
-        let r = libc::pthread_condattr_init(&mut attr);
-        assert_eq!(r, 0);
-        let r = libc::pthread_condattr_setclock(&mut attr, libc::CLOCK_MONOTONIC);
-        assert_eq!(r, 0);
-        let r = libc::pthread_cond_init(self.inner.get(), &attr);
-        assert_eq!(r, 0);
-        let r = libc::pthread_condattr_destroy(&mut attr);
-        assert_eq!(r, 0);
-    }
-
-    #[inline]
-    pub unsafe fn notify_one(&self) {
-        let r = libc::pthread_cond_signal(self.inner.get());
-        debug_assert_eq!(r, 0);
-    }
-
-    #[inline]
-    pub unsafe fn notify_all(&self) {
-        let r = libc::pthread_cond_broadcast(self.inner.get());
-        debug_assert_eq!(r, 0);
-    }
-
-    #[inline]
-    pub unsafe fn wait(&self, mutex: &Mutex) {
-        let r = libc::pthread_cond_wait(self.inner.get(), mutex::raw(mutex));
-        debug_assert_eq!(r, 0);
-    }
-
-    // This implementation is used on systems that support pthread_condattr_setclock
-    // where we configure condition variable to use monotonic clock (instead of
-    // default system clock). This approach avoids all problems that result
-    // from changes made to the system time.
-    #[cfg(not(any(target_os = "macos",
-                  target_os = "ios",
-                  target_os = "android",
-                  target_os = "hermit")))]
-    pub unsafe fn wait_timeout(&self, mutex: &Mutex, dur: Duration) -> bool {
-        use mem;
-
-        let mut now: libc::timespec = mem::zeroed();
-        let r = libc::clock_gettime(libc::CLOCK_MONOTONIC, &mut now);
-        assert_eq!(r, 0);
-
-        // Nanosecond calculations can't overflow because both values are below 1e9.
-        let nsec = dur.subsec_nanos() + now.tv_nsec as u32;
-
-        let sec = saturating_cast_to_time_t(dur.as_secs())
-            .checked_add((nsec / 1_000_000_000) as libc::time_t)
-            .and_then(|s| s.checked_add(now.tv_sec));
-        let nsec = nsec % 1_000_000_000;
-
-        let timeout = sec.map(|s| {
-            libc::timespec { tv_sec: s, tv_nsec: nsec as _}
-        }).unwrap_or(TIMESPEC_MAX);
-
-        let r = libc::pthread_cond_timedwait(self.inner.get(), mutex::raw(mutex),
-                                            &timeout);
-        assert!(r == libc::ETIMEDOUT || r == 0);
-        r == 0
-    }
-
-
-    // This implementation is modeled after libcxx's condition_variable
-    // https://github.com/llvm-mirror/libcxx/blob/release_35/src/condition_variable.cpp#L46
-    // https://github.com/llvm-mirror/libcxx/blob/release_35/include/__mutex_base#L367
-    #[cfg(any(target_os = "macos", target_os = "ios", target_os = "android", target_os = "hermit"))]
-    pub unsafe fn wait_timeout(&self, mutex: &Mutex, mut dur: Duration) -> bool {
-        use ptr;
-        use time::Instant;
-
-        // 1000 years
-        let max_dur = Duration::from_secs(1000 * 365 * 86400);
-
-        if dur > max_dur {
-            // OSX implementation of `pthread_cond_timedwait` is buggy
-            // with super long durations. When duration is greater than
-            // 0x100_0000_0000_0000 seconds, `pthread_cond_timedwait`
-            // in macOS Sierra return error 316.
-            //
-            // This program demonstrates the issue:
-            // https://gist.github.com/stepancheg/198db4623a20aad2ad7cddb8fda4a63c
-            //
-            // To work around this issue, and possible bugs of other OSes, timeout
-            // is clamped to 1000 years, which is allowable per the API of `wait_timeout`
-            // because of spurious wakeups.
-
-            dur = max_dur;
-        }
-
-        // First, figure out what time it currently is, in both system and
-        // stable time.  pthread_cond_timedwait uses system time, but we want to
-        // report timeout based on stable time.
-        let mut sys_now = libc::timeval { tv_sec: 0, tv_usec: 0 };
-        let stable_now = Instant::now();
-        let r = libc::gettimeofday(&mut sys_now, ptr::null_mut());
-        debug_assert_eq!(r, 0);
-
-        let nsec = dur.subsec_nanos() as libc::c_long +
-                   (sys_now.tv_usec * 1000) as libc::c_long;
-        let extra = (nsec / 1_000_000_000) as libc::time_t;
-        let nsec = nsec % 1_000_000_000;
-        let seconds = saturating_cast_to_time_t(dur.as_secs());
-
-        let timeout = sys_now.tv_sec.checked_add(extra).and_then(|s| {
-            s.checked_add(seconds)
-        }).map(|s| {
-            libc::timespec { tv_sec: s, tv_nsec: nsec }
-        }).unwrap_or(TIMESPEC_MAX);
-
-        // And wait!
-        let r = libc::pthread_cond_timedwait(self.inner.get(), mutex::raw(mutex),
-                                            &timeout);
-        debug_assert!(r == libc::ETIMEDOUT || r == 0);
-
-        // ETIMEDOUT is not a totally reliable method of determining timeout due
-        // to clock shifts, so do the check ourselves
-        stable_now.elapsed() < dur
-    }
-
-    #[inline]
-    #[cfg(not(target_os = "dragonfly"))]
-    pub unsafe fn destroy(&self) {
-        let r = libc::pthread_cond_destroy(self.inner.get());
-        debug_assert_eq!(r, 0);
-    }
-
-    #[inline]
-    #[cfg(target_os = "dragonfly")]
-    pub unsafe fn destroy(&self) {
-        let r = libc::pthread_cond_destroy(self.inner.get());
-        // On DragonFly pthread_cond_destroy() returns EINVAL if called on
-        // a condvar that was just initialized with
-        // libc::PTHREAD_COND_INITIALIZER. Once it is used or
-        // pthread_cond_init() is called, this behaviour no longer occurs.
-        debug_assert!(r == 0 || r == libc::EINVAL);
-    }
-}