Resolve merge conflicts with master

- Updated MSRV to 1.71.0 while keeping newer environment variables
- Bumped version to 0.30.1 and updated bitflags to 2.3.3
- Fixed FD_SETSIZE type casting in test_select.rs

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: anacrolix

.cirrus.yml

@@ -30,7 +30,7 @@ test: &TEST
   << : *BUILD
   test_script:
     - . $HOME/.cargo/env || true
-    - $TOOL test --target $TARGET --all-features
+    - $TOOL test --target $TARGET
 
 # Test FreeBSD in a full VM.  Test the i686 target too, in the
 # same VM.  The binary will be built in 32-bit mode, but will execute on a
@@ -42,7 +42,7 @@ task:
   matrix:
     - name: FreeBSD 14 amd64 & i686
       freebsd_instance:
-        image_family: freebsd-14-0-snap
+        image: freebsd-14-1-release-amd64-ufs
         cpu: 1
       # Enable tests that would fail on FreeBSD 12
       RUSTFLAGS: --cfg fbsd14 -D warnings
@@ -59,23 +59,8 @@ task:
     - . $HOME/.cargo/env
     - cargo build --target i686-unknown-freebsd --all-features
     - cargo doc --no-deps --target i686-unknown-freebsd --all-features
-    - cargo test --target i686-unknown-freebsd --all-features
+    - cargo test --target i686-unknown-freebsd
   i386_feature_script:
     - . $HOME/.cargo/env
     - if [ -z "$NOHACK" ]; then cargo hack check --each-feature --target i686-unknown-freebsd; fi
   before_cache_script: rm -rf $CARGO_HOME/registry/index
-
-# Tasks for Linux aarch64 native builds 
-task:
-  matrix:
-    - name: Linux aarch64
-      arm_container:
-        image: rust:1.69.0
-        cpu: 1
-      env:
-        TARGET: aarch64-unknown-linux-gnu
-  setup_script:
-    - rustup target add $TARGET
-    - rustup component add clippy
-  << : *TEST
-  before_cache_script: rm -rf $CARGO_HOME/registry/index

.github/actions/check_new_changelog/action.yml

@@ -0,0 +1,46 @@
+name: 'Check new CHANGELOG'
+description: 'Check new CHANGELOG kind and PR number'
+
+runs:
+  using: "composite"
+  steps:
+    - name: Get newly added CHANGELOGs
+      id: new-changelogs
+      uses: tj-actions/changed-files@v44
+      with:
+        # Only checek the files under the `changelog` directory 
+        files: changelog/** 
+
+    - name: Check them
+      shell: bash
+      if: steps.new-changelogs.outputs.added_files_count != 0
+      env:
+        NEW_CHANGELOGS: ${{ steps.new-changelogs.outputs.added_files }}
+        PR_NUMBER: ${{ github.event.number }}
+      run: |
+        # `cl` will be something like "changelog/1.added.md"
+        for cl in ${NEW_CHANGELOGS}; do
+          # Trim the directory name
+          prefix="changelog/"; trimmed_cl=${cl/#$prefix}; cl="${trimmed_cl}";
+
+          # parse it
+          IFS='.' read id kind file_extension <<< "${cl}"
+
+          # Check the kind field
+          if [ "$kind" != "added" ] && [ "$kind" != "changed" ] && [ "$kind" != "fixed" ] && [ "$kind" != "removed" ]; then
+            echo "Invalid CHANGELOG kind [${kind}] from [${cl}], available options are [added, changed, fixed, removed]";
+            exit 1;
+          fi
+
+          # Check the file extension
+          if [ "$file_extension" != "md" ]; then
+            echo "Invalid file extension [${file_extension}] from [${cl}], it should be [md]";
+            exit 1;
+          fi
+
+          # Check PR number
+          if [ "$id" != "$PR_NUMBER" ]; then
+            echo "Mismatched PR number [${id}] from [${cl}], it should be ${PR_NUMBER}";
+            exit 1;
+          fi
+        done

.github/actions/test/action.yml

@@ -5,6 +5,11 @@ inputs:
   TARGET:
     required: true
 
+  SUDO:
+    description: 'Set it to an empty string to run the tests as the current user, leave it with the default value to test with "sudo"'
+    required: false
+    default: sudo --preserve-env=HOME 
+
   TOOL: 
     description: 'Tool used to involve the test command, can be cargo or cross'
     required: false
@@ -24,4 +29,4 @@ runs:
 
     - name: test
       shell: bash
-      run: ${{ inputs.TOOL }} test --target ${{ inputs.TARGET }} --all-features
+      run: ${{ inputs.SUDO }} $(which ${{ inputs.TOOL }}) test --target ${{ inputs.TARGET }}

.github/workflows/check_new_changelog.yml

@@ -0,0 +1,18 @@
+name: Check new CHANGELOGs
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+permissions:
+  contents: read 
+
+jobs:
+  check_new_changelog:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+
+      - name: check new CHANGELOG
+        uses: ./.github/actions/check_new_changelog