Add macOS to CI build matrix

Author: yulnr

.github/actions/rust-build/action.yml

@@ -22,15 +22,17 @@ runs:
               fi
               cargo build
         - name: Enable perf_event_open and kallsyms for tests
+          if: runner.os == 'Linux'
           shell: bash
           run: |
               sudo sysctl kernel.perf_event_paranoid=1
               sudo sysctl kernel.kptr_restrict=0
+        - name: Raise locked-memory limit for perf ring buffers
+          if: runner.os == 'Linux'
+          shell: bash
+          run: sudo prlimit --pid $$ --memlock=unlimited:unlimited
         - name: Run tests
           shell: bash
           env:
               RUSTFLAGS: "--cfg tokio_unstable"
-          run: |
-              # Raise locked-memory limit for large perf ring buffers
-              sudo prlimit --pid $$ --memlock=unlimited:unlimited
-              cargo test
+          run: cargo test

.github/workflows/build.yml

@@ -5,13 +5,12 @@ permissions:
 
 jobs:
   build:
-    name: Build
-    runs-on: ubuntu-latest
+    name: Build (${{ matrix.os }}, ${{ matrix.toolchain }})
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        toolchain:
-          - stable
-          - nightly
+        os: [ubuntu-latest, macos-latest]
+        toolchain: [stable, nightly]
     env:
       RUST_BACKTRACE: 1
     steps: