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use crate::sys::locks::mutex::Mutex;
/// we do not supported rwlock, so use mutex to simulate rwlock.
/// it's useful because so many code in std will use rwlock.
pub struct RwLock {
inner: Mutex,
}
impl RwLock {
#[inline]
pub const fn new() -> RwLock {
RwLock { inner: Mutex::new() }
}
#[inline]
pub fn read(&self) {
unsafe { self.inner.lock() };
}
#[inline]
pub fn try_read(&self) -> bool {
unsafe { self.inner.try_lock() }
}
#[inline]
pub fn write(&self) {
unsafe { self.inner.lock() };
}
#[inline]
pub unsafe fn try_write(&self) -> bool {
unsafe { self.inner.try_lock() }
}
#[inline]
pub unsafe fn read_unlock(&self) {
unsafe { self.inner.unlock() };
}
#[inline]
pub unsafe fn write_unlock(&self) {
unsafe { self.inner.unlock() };
}
}
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