diff --git a/.cirrus.yml b/.cirrus.yml
index a0c8143..ab8bdf3 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -1,4 +1,4 @@
-only_if: $CIRRUS_TAG == '' && ($CIRRUS_PR != '' || $CIRRUS_BRANCH == 'master')
+only_if: $CIRRUS_TAG == '' && ($CIRRUS_PR != '' || $CIRRUS_BRANCH == 'taiki-e/nosigpipe')
 auto_cancellation: $CIRRUS_BRANCH != 'master'
 env:
   CARGO_INCREMENTAL: '0'
@@ -11,23 +11,23 @@ env:
   RUSTFLAGS: -D warnings
   RUSTUP_MAX_RETRIES: '10'
 
-freebsd_task:
-  name: test ($TARGET)
-  freebsd_instance:
-    image_family: freebsd-12-4
-  matrix:
-    - env:
-        TARGET: x86_64-unknown-freebsd
-    - env:
-        TARGET: i686-unknown-freebsd
-  setup_script:
-    # https://github.com/cirruslabs/cirrus-ci-docs/issues/483
-    - sudo sysctl net.inet.tcp.blackhole=0
-    - pkg install -y git
-    - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain stable --target $TARGET
-  test_script:
-    - . $HOME/.cargo/env
-    - cargo test --target $TARGET
+# freebsd_task:
+#   name: test ($TARGET)
+#   freebsd_instance:
+#     image_family: freebsd-12-4
+#   matrix:
+#     - env:
+#         TARGET: x86_64-unknown-freebsd
+#     - env:
+#         TARGET: i686-unknown-freebsd
+#   setup_script:
+#     # https://github.com/cirruslabs/cirrus-ci-docs/issues/483
+#     - sudo sysctl net.inet.tcp.blackhole=0
+#     - pkg install -y git
+#     - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain stable --target $TARGET
+#   test_script:
+#     - . $HOME/.cargo/env
+#     - cargo test --target $TARGET
 
 netbsd_task:
   name: test ($TARGET)
@@ -45,17 +45,17 @@ netbsd_task:
     - . $HOME/.cargo/env
     - cargo test
 
-openbsd_task:
-  name: test ($TARGET)
-  compute_engine_instance:
-    image_project: pg-ci-images
-    # https://github.com/anarazel/pg-vm-images/blob/main/packer/openbsd.pkrvars.hcl
-    image: family/pg-ci-openbsd-vanilla-7-2
-    platform: openbsd
-  env:
-    TARGET: x86_64-unknown-openbsd
-  setup_script:
-    # OpenBSD is tier 3 target, so install rust from package manager instead of rustup
-    - pkg_add git rust
-  test_script:
-    - cargo test
+# openbsd_task:
+#   name: test ($TARGET)
+#   compute_engine_instance:
+#     image_project: pg-ci-images
+#     # https://github.com/anarazel/pg-vm-images/blob/main/packer/openbsd.pkrvars.hcl
+#     image: family/pg-ci-openbsd-vanilla-7-2
+#     platform: openbsd
+#   env:
+#     TARGET: x86_64-unknown-openbsd
+#   setup_script:
+#     # OpenBSD is tier 3 target, so install rust from package manager instead of rustup
+#     - pkg_add git rust
+#   test_script:
+#     - cargo test
diff --git a/.external-types.toml b/.external-types.toml
new file mode 100644
index 0000000..bd7027f
--- /dev/null
+++ b/.external-types.toml
@@ -0,0 +1,9 @@
+# cargo-check-external-types configuration
+# https://crates.io/crates/cargo-check-external-types
+
+# The following are types that are allowed to be exposed in our public API.
+# The standard library is allowed by default.
+allowed_external_types = [
+    "futures_core::*",
+    "futures_io::*",
+]
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1e59d5a..8485eb6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
   pull_request:
   push:
     branches:
-      - master
+      - taiki-e/nosigpipe
   schedule:
     - cron: '0 2 * * 0'
 
@@ -26,132 +26,148 @@ defaults:
     shell: bash
 
 jobs:
-  test:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
-        rust: [nightly, beta, stable]
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Rust
-        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
-        run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
-      - run: cargo build --all --all-features --all-targets
-      - name: Run cargo check (without dev-dependencies to catch missing feature flags)
-        if: startsWith(matrix.rust, 'nightly')
-        run: cargo check -Z features=dev_dep
-      - name: Add rust-src
-        if: startsWith(matrix.rust, 'nightly')
-        run: rustup component add rust-src
-# https://github.com/smol-rs/async-io/pull/144#issuecomment-1666927490
-#      - name: Check selected Tier 3 targets
-#        if: startsWith(matrix.rust, 'nightly') && matrix.os == 'ubuntu-latest'
-#        run: cargo check -Z build-std --target=riscv32imc-esp-espidf
-      - run: cargo test
+#   test:
+#     runs-on: ${{ matrix.os }}
+#     strategy:
+#       fail-fast: false
+#       matrix:
+#         os: [ubuntu-latest, windows-latest, macos-latest]
+#         rust: [nightly, beta, stable]
+#     steps:
+#       - uses: actions/checkout@v4
+#       - name: Install Rust
+#         # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
+#         run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
+#       - run: cargo build --all --all-features --all-targets
+#       - name: Run cargo check (without dev-dependencies to catch missing feature flags)
+#         if: startsWith(matrix.rust, 'nightly')
+#         run: cargo check -Z features=dev_dep
+#       - name: Add rust-src
+#         if: startsWith(matrix.rust, 'nightly')
+#         run: rustup component add rust-src
+# # https://github.com/smol-rs/async-io/pull/144#issuecomment-1666927490
+# #      - name: Check selected Tier 3 targets
+# #        if: startsWith(matrix.rust, 'nightly') && matrix.os == 'ubuntu-latest'
+# #        run: cargo check -Z build-std --target=riscv32imc-esp-espidf
+#       - run: cargo test
 
-  # Copied from: https://github.com/rust-lang/stacker/pull/19/files
-  windows_gnu:
-    runs-on: windows-latest
-    strategy:
-      matrix:
-        rust: [nightly]
-        target:
-          - x86_64-pc-windows-gnu
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Rust
-        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
-        run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
-      - run: rustup target add ${{ matrix.target }}
-      # https://github.com/rust-lang/rust/issues/49078
-      - name: Fix windows-gnu rust-mingw
-        run : |
-          for i in crt2.o dllcrt2.o libmingwex.a libmsvcrt.a ; do
-            cp -f "/C/ProgramData/Chocolatey/lib/mingw/tools/install/mingw64/x86_64-w64-mingw32/lib/$i" "`rustc --print sysroot`/lib/rustlib/x86_64-pc-windows-gnu/lib"
-          done
-      - run: cargo build --target ${{ matrix.target }} --all --all-features --all-targets
-      - run: cargo test --target ${{ matrix.target }}
+#   # Copied from: https://github.com/rust-lang/stacker/pull/19/files
+#   windows_gnu:
+#     runs-on: windows-latest
+#     strategy:
+#       matrix:
+#         rust: [nightly]
+#         target:
+#           - x86_64-pc-windows-gnu
+#     steps:
+#       - uses: actions/checkout@v4
+#       - name: Install Rust
+#         # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
+#         run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
+#       - run: rustup target add ${{ matrix.target }}
+#       # https://github.com/rust-lang/rust/issues/49078
+#       - name: Fix windows-gnu rust-mingw
+#         run : |
+#           for i in crt2.o dllcrt2.o libmingwex.a libmsvcrt.a ; do
+#             cp -f "/C/ProgramData/Chocolatey/lib/mingw/tools/install/mingw64/x86_64-w64-mingw32/lib/$i" "`rustc --print sysroot`/lib/rustlib/x86_64-pc-windows-gnu/lib"
+#           done
+#       - run: cargo build --target ${{ matrix.target }} --all --all-features --all-targets
+#       - run: cargo test --target ${{ matrix.target }}
 
-  cross:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, macos-latest]
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install Rust
-      run: rustup update stable
-    - name: Install cross
-      uses: taiki-e/install-action@cross
-    # We don't test BSDs, since we already test them in Cirrus.
-    - name: Android
-      if: startsWith(matrix.os, 'ubuntu')
-      run: cross test --target arm-linux-androideabi
-    - name: iOS
-      if: startsWith(matrix.os, 'macos')
-      run: |
-        rustup target add aarch64-apple-ios
-        cross build --target aarch64-apple-ios
-    - name: Linux x32
-      if: startsWith(matrix.os, 'ubuntu')
-      run: |
-        rustup target add x86_64-unknown-linux-gnux32
-        cross check --target x86_64-unknown-linux-gnux32
-    - name: Fuchsia
-      if: startsWith(matrix.os, 'ubuntu')
-      run: |
-        rustup target add x86_64-unknown-fuchsia
-        cargo build --target x86_64-unknown-fuchsia
-    - name: illumos
-      if: startsWith(matrix.os, 'ubuntu')
-      run: |
-        rustup target add x86_64-unknown-illumos
-        cargo build --target x86_64-unknown-illumos
+#   cross:
+#     runs-on: ${{ matrix.os }}
+#     strategy:
+#       fail-fast: false
+#       matrix:
+#         os: [ubuntu-latest, macos-latest]
+#     steps:
+#     - uses: actions/checkout@v4
+#     - name: Install Rust
+#       run: rustup update stable
+#     - name: Install cross
+#       uses: taiki-e/install-action@cross
+#     # We don't test BSDs, since we already test them in Cirrus.
+#     - name: Android
+#       if: startsWith(matrix.os, 'ubuntu')
+#       run: cross test --target arm-linux-androideabi
+#     - name: iOS
+#       if: startsWith(matrix.os, 'macos')
+#       run: |
+#         rustup target add aarch64-apple-ios
+#         cross build --target aarch64-apple-ios
+#     - name: Linux x32
+#       if: startsWith(matrix.os, 'ubuntu')
+#       run: |
+#         rustup target add x86_64-unknown-linux-gnux32
+#         cross check --target x86_64-unknown-linux-gnux32
+#     - name: Fuchsia
+#       if: startsWith(matrix.os, 'ubuntu')
+#       run: |
+#         rustup target add x86_64-unknown-fuchsia
+#         cargo build --target x86_64-unknown-fuchsia
+#     - name: illumos
+#       if: startsWith(matrix.os, 'ubuntu')
+#       run: |
+#         rustup target add x86_64-unknown-illumos
+#         cargo build --target x86_64-unknown-illumos
 
-  msrv:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, windows-latest]
-        # When updating this, the reminder to update the minimum supported
-        # Rust version in Cargo.toml.
-        rust: ['1.63']
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Rust
-        # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
-        run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
-      - run: cargo build
+#   msrv:
+#     runs-on: ${{ matrix.os }}
+#     strategy:
+#       fail-fast: false
+#       matrix:
+#         os: [ubuntu-latest, windows-latest]
+#         # When updating this, the reminder to update the minimum supported
+#         # Rust version in Cargo.toml.
+#         rust: ['1.63']
+#     steps:
+#       - uses: actions/checkout@v4
+#       - name: Install Rust
+#         # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
+#         run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
+#       - run: cargo build
 
-  clippy:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Rust
-        run: rustup update stable
-      - run: cargo clippy --all-features --all-targets
+#   clippy:
+#     runs-on: ubuntu-latest
+#     steps:
+#       - uses: actions/checkout@v4
+#       - name: Install Rust
+#         run: rustup update stable
+#       - run: cargo clippy --all-features --all-targets
 
-  fmt:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Rust
-        run: rustup update stable
-      - run: cargo fmt --all --check
+#   fmt:
+#     runs-on: ubuntu-latest
+#     steps:
+#       - uses: actions/checkout@v4
+#       - name: Install Rust
+#         run: rustup update stable
+#       - run: cargo fmt --all --check
+
+#   security_audit:
+#     permissions:
+#       checks: write
+#       contents: read
+#       issues: write
+#     runs-on: ubuntu-latest
+#     steps:
+#       - uses: actions/checkout@v4
+#       # https://github.com/rustsec/audit-check/issues/2
+#       - uses: rustsec/audit-check@master
+#         with:
+#           token: ${{ secrets.GITHUB_TOKEN }}
 
-  security_audit:
-    permissions:
-      checks: write
-      contents: read
-      issues: write
-    runs-on: ubuntu-latest
+  dragonfly:
+    runs-on: macos-12
     steps:
-      - uses: actions/checkout@v4
-      # https://github.com/rustsec/audit-check/issues/2
-      - uses: rustsec/audit-check@master
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+    - uses: actions/checkout@v3
+    - name: Test Dragonfly BSD
+      id: test
+      uses: vmactions/dragonflybsd-vm@v0
+      with:
+        envs: CARGO_INCREMENTAL CARGO_NET_GIT_FETCH_WITH_CLI CARGO_NET_RETRY RUST_BACKTRACE RUSTFLAGS RUSTDOCFLAGS RUSTUP_MAX_RETRIES
+        usesh: true
+        # Dragonfly BSD is tier 3 target, so install rust from package manager instead of rustup
+        prepare: |
+          pkg install -y git rust
+        run: |
+          cargo test
diff --git a/Cargo.toml b/Cargo.toml
index 4c58a1e..533317f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ futures-io = { version = "0.3.28", default-features = false, features = ["std"]
 futures-lite = { version = "1.11.0", default-features = false }
 parking = "2.0.0"
 polling = "3.0.0"
-rustix = { version = "0.38.2", default-features = false, features = ["fs", "net", "std"] }
+rustix = { git = "https://github.com/taiki-e/rustix", branch = "nosigpipe", default-features = false, features = ["fs", "net", "std"] }
 slab = "0.4.2"
 tracing = { version = "0.1.37", default-features = false }
 waker-fn = "1.1.0"
diff --git a/README.md b/README.md
index 2e961f6..858e9be 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # async-io
 
-[![Build](https://github.com/smol-rs/async-io/workflows/Build%20and%20test/badge.svg)](
+[![Build](https://github.com/smol-rs/async-io/actions/workflows/ci.yml/badge.svg)](
 https://github.com/smol-rs/async-io/actions)
 [![License](https://img.shields.io/badge/license-Apache--2.0_OR_MIT-blue.svg)](
 https://github.com/smol-rs/async-io)
@@ -64,15 +64,9 @@ let stream = Async::<TcpStream>::connect(addr).or(async {
 
 ## License
 
-Licensed under either of
-
- * Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
- * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
-
-at your option.
-
-#### Contribution
+Licensed under either of [Apache License, Version 2.0](LICENSE-APACHE) or
+[MIT license](LICENSE-MIT) at your option.
 
 Unless you explicitly state otherwise, any contribution intentionally submitted
-for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
-dual licensed as above, without any additional terms or conditions.
+for inclusion in the work by you, as defined in the Apache-2.0 license, shall
+be dual licensed as above, without any additional terms or conditions.
diff --git a/src/lib.rs b/src/lib.rs
index 525a408..19c082f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2099,7 +2099,9 @@ fn connect(
         target_os = "ios",
         target_os = "tvos",
         target_os = "watchos",
-        target_os = "freebsd"
+        target_os = "freebsd",
+        target_os = "netbsd",
+        target_os = "dragonfly",
     ))]
     rn::sockopt::set_socket_nosigpipe(&socket, true)?;