pijul/sanakirja - Change YDHYZA77LFQ7RSKTVOTOQRL7EUSXMWYOSJAE5YAH6HLHE64B75LQC

Adding the RootPage trait to access the raw bytes of a root page (needed in libpijul)

Created by pmeunier on July 12, 2021

YDHYZA77LFQ7RSKTVOTOQRL7EUSXMWYOSJAE5YAH6HLHE64B75LQC

Dependencies

In channels

main

Change contents

Replacement in sanakirja/src/lib.rs at line 107 [6.79574]

B:BD[4.2997] → [5.6577:6634]

pub use environment::{Commit, Env, MutTxn, RootDb, Txn};

[4.2997]

[2.2260]

pub use environment::{Commit, Env, MutTxn, RootDb, Txn, RootPage};

Insertion in sanakirja/src/environment/muttxn.rs at line 619 [6.80166]

[7.4392]

[5.20978]

impl<E: Borrow<Env>, T> RootPage for MutTxn<E, T> {
    unsafe fn root_page(&self) -> &[u8; 4064] {
        let env = self.env.borrow();
        let maps = env.mmaps.lock();
        let ptr = maps[0].ptr.add(self.root * PAGE_SIZE + GLOBAL_HEADER_SIZE);
        &*(ptr as *const [u8; 4064])
    }
}

Insertion in sanakirja/src/environment/mod.rs at line 562 [6.91606]

[6.106698]

}
/// Access the root page of a transaction.
pub trait RootPage {
    /// The root page of this transaction.
    unsafe fn root_page(&self) -> &[u8; 4064];

Insertion in sanakirja/src/environment/mod.rs at line 570 [6.91606]

[6.106701]

[5.31080]

impl<E: Borrow<Env>> RootPage for Txn<E> {
    unsafe fn root_page(&self) -> &[u8; 4064] {
        let env = self.env.borrow();
        let maps = env.mmaps.lock();
        let ptr = maps[0].ptr.add(self.root * PAGE_SIZE + GLOBAL_HEADER_SIZE);
        &*(ptr as *const [u8; 4064])
    }
}

Deletion in sanakirja/src/environment/mod.rs at line 630 [6.91606]

B:BD[3.671] → [3.671:961]

∅:D[3.961] → [8.18035:18041]

B:BD[8.18035] → [8.18035:18041]


    /// The root page of this transaction.
    pub unsafe fn root_page(&mut self) -> &[u8; 4064] {
        let env = self.env.borrow();
        let maps = env.mmaps.lock();
        let ptr = maps[0].ptr.add(self.root * PAGE_SIZE + GLOBAL_HEADER_SIZE);
        &*(ptr as *const [u8; 4064])
    }