Fixes and ensures 32bits x86 support

.github/workflows/artifacts.yml

@@ -24,7 +24,7 @@ jobs:
         with:
           target: aarch64-unknown-linux-gnu
       - run: |
-          sudo apt update && sudo apt-get install -y g++-aarch64-linux-gnu
+          sudo apt-get install -y g++-aarch64-linux-gnu
           mkdir .cargo
           echo -e "[target.aarch64-unknown-linux-gnu]\nlinker = \"aarch64-linux-gnu-gcc\"" >> .cargo/config.toml
       - run: cargo build --release --no-default-features --features rustls-native

.github/workflows/tests.yml

@@ -118,7 +118,7 @@ jobs:
       - run: cargo install cargo-semver-checks || true
       - run: cargo semver-checks check-release --exclude oxrocksdb-sys --exclude oxigraph-js --exclude pyoxigraph --exclude oxigraph-testsuite --exclude oxigraph-cli
 
-  test_linux:
+  test_linux_x86_64:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -127,6 +127,19 @@ jobs:
       - uses: ./.github/actions/setup-rust
       - run: cargo test
 
+  test_linux_i686:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - uses: ./.github/actions/setup-rust
+        with:
+          target: i686-unknown-linux-gnu
+      - run: sudo apt-get install -y g++-multilib
+      - run: cargo test --target i686-unknown-linux-gnu --no-default-features --features http-client-rustls-native
+        working-directory: ./lib
+
   test_linux_msv:
     runs-on: ubuntu-latest
     steps:

lib/src/storage/backend/rocksdb.rs

@@ -13,6 +13,7 @@ use libc::{self, c_void, free};
 use oxrocksdb_sys::*;
 use rand::random;
 use std::borrow::Borrow;
+#[cfg(unix)]
 use std::cmp::min;
 use std::collections::HashMap;
 use std::env::temp_dir;
@@ -1405,7 +1406,7 @@ fn path_to_cstring(path: &Path) -> Result<CString, StorageError> {
 }
 
 #[cfg(unix)]
-fn available_file_descriptors() -> io::Result<Option<u64>> {
+fn available_file_descriptors() -> io::Result<Option<libc::rlim_t>> {
     let mut rlimit = libc::rlimit {
         rlim_cur: 0,
         rlim_max: 0,
@@ -1418,12 +1419,12 @@ fn available_file_descriptors() -> io::Result<Option<u64>> {
 }
 
 #[cfg(windows)]
-fn available_file_descriptors() -> io::Result<Option<u64>> {
+fn available_file_descriptors() -> io::Result<Option<libc::c_int>> {
     Ok(Some(512)) // https://docs.microsoft.com/en-us/cpp/c-runtime-library/file-handling
 }
 
 #[cfg(not(any(unix, windows)))]
-fn available_file_descriptors() -> io::Result<Option<u64>> {
+fn available_file_descriptors() -> io::Result<Option<libc::c_int>> {
     Ok(None)
 }
 

lib/src/storage/mod.rs

@@ -26,7 +26,7 @@ use std::mem::{swap, take};
 #[cfg(not(target_family = "wasm"))]
 use std::path::{Path, PathBuf};
 #[cfg(not(target_family = "wasm"))]
-use std::sync::atomic::{AtomicU64, Ordering};
+use std::sync::Mutex;
 #[cfg(not(target_family = "wasm"))]
 use std::{io, thread};
 
@@ -1249,7 +1249,7 @@ impl StorageBulkLoader {
             )
             .into());
         }
-        let done_counter = AtomicU64::new(0);
+        let done_counter = Mutex::new(0);
         let mut done_and_displayed_counter = 0;
         thread::scope(|thread_scope| {
             let mut threads = VecDeque::with_capacity(num_threads - 1);
@@ -1280,7 +1280,7 @@ impl StorageBulkLoader {
             )?;
             for thread in threads {
                 map_thread_result(thread.join()).map_err(StorageError::Io)??;
-                self.on_possible_progress(&done_counter, &mut done_and_displayed_counter);
+                self.on_possible_progress(&done_counter, &mut done_and_displayed_counter)?;
             }
             Ok(())
         })
@@ -1291,17 +1291,17 @@ impl StorageBulkLoader {
         buffer: &mut Vec<Quad>,
         threads: &mut VecDeque<thread::ScopedJoinHandle<'scope, Result<(), StorageError>>>,
         thread_scope: &'scope thread::Scope<'scope, '_>,
-        done_counter: &'scope AtomicU64,
+        done_counter: &'scope Mutex<u64>,
         done_and_displayed_counter: &mut u64,
         num_threads: usize,
         batch_size: usize,
     ) -> Result<(), StorageError> {
-        self.on_possible_progress(done_counter, done_and_displayed_counter);
+        self.on_possible_progress(done_counter, done_and_displayed_counter)?;
         // We avoid to have too many threads
         if threads.len() >= num_threads {
             if let Some(thread) = threads.pop_front() {
                 map_thread_result(thread.join()).map_err(StorageError::Io)??;
-                self.on_possible_progress(done_counter, done_and_displayed_counter);
+                self.on_possible_progress(done_counter, done_and_displayed_counter)?;
             }
         }
         let mut buffer_to_load = Vec::with_capacity(batch_size);
@@ -1313,15 +1313,22 @@ impl StorageBulkLoader {
         Ok(())
     }
 
-    fn on_possible_progress(&self, done: &AtomicU64, done_and_displayed: &mut u64) {
-        let new_counter = done.load(Ordering::Relaxed);
-        let display_step = u64::try_from(DEFAULT_BULK_LOAD_BATCH_SIZE).unwrap();
+    fn on_possible_progress(
+        &self,
+        done: &Mutex<u64>,
+        done_and_displayed: &mut u64,
+    ) -> Result<(), StorageError> {
+        let new_counter = *done
+            .lock()
+            .map_err(|_| io::Error::new(io::ErrorKind::Other, "Mutex poisoned"))?;
+        let display_step = DEFAULT_BULK_LOAD_BATCH_SIZE as u64;
         if new_counter / display_step > *done_and_displayed / display_step {
             for hook in &self.hooks {
                 hook(new_counter);
             }
         }
         *done_and_displayed = new_counter;
+        Ok(())
     }
 }
 
@@ -1346,11 +1353,14 @@ impl<'a> FileBulkLoader<'a> {
         }
     }
 
-    fn load(&mut self, quads: Vec<Quad>, counter: &AtomicU64) -> Result<(), StorageError> {
+    fn load(&mut self, quads: Vec<Quad>, counter: &Mutex<u64>) -> Result<(), StorageError> {
         self.encode(quads)?;
         let size = self.triples.len() + self.quads.len();
         self.save()?;
-        counter.fetch_add(size.try_into().unwrap_or(u64::MAX), Ordering::Relaxed);
+        *counter
+            .lock()
+            .map_err(|_| io::Error::new(io::ErrorKind::Other, "Mutex poisoned"))? +=
+            size.try_into().unwrap_or(u64::MAX);
         Ok(())
     }
 

oxrocksdb-sys/build.rs

@@ -153,7 +153,7 @@ fn build_rocksdb() {
         config.define("NOMINMAX", None);
         config.define("ROCKSDB_WINDOWS_UTF8_FILENAMES", None);
 
-        if target == "x86_64-pc-windows-gnu" {
+        if target.contains("pc-windows-gnu") {
             // Tell MinGW to create localtime_r wrapper of localtime_s function.
             config.define("_POSIX_C_SOURCE", Some("1"));
             // Tell MinGW to use at least Windows Vista headers instead of the ones of Windows XP.
@@ -193,10 +193,10 @@ fn build_rocksdb() {
     if target.contains("msvc") {
         config.flag("-EHsc").flag("-std:c++17");
     } else {
-        config
-            .flag("-std=c++17")
-            .flag("-Wno-invalid-offsetof")
-            .define("HAVE_UINT128_EXTENSION", Some("1"));
+        config.flag("-std=c++17").flag("-Wno-invalid-offsetof");
+        if target.contains("x86_64") || target.contains("aarch64") {
+            config.define("HAVE_UINT128_EXTENSION", Some("1"));
+        }
     }
 
     for file in lib_sources {