Add native and RISC-V unit test coverage

.github/workflows/ci.yml

@@ -0,0 +1,48 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  native-linux-unittests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install native toolchain
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y g++
+
+      - name: Build unit tests
+        working-directory: build
+        run: |
+          mkdir -p bin
+          g++ -c -std=c++11 -Wall -pedantic-errors -Wpedantic -Wconversion -DMOODYCAMEL_STATIC -pthread -g -O0 -fno-elide-constructors -fno-exceptions ../c_api/blockingconcurrentqueue.cpp ../c_api/concurrentqueue.cpp
+          g++ -std=c++11 -Wall -pedantic-errors -Wpedantic -Wconversion -DMOODYCAMEL_STATIC -pthread -g -O0 -fno-elide-constructors ../tests/common/simplethread.cpp ../tests/common/systemtime.cpp ../tests/unittests/unittests.cpp blockingconcurrentqueue.o concurrentqueue.o -o bin/unittests -lrt
+
+      - name: Run unit tests
+        working-directory: build
+        run: ./bin/unittests --disable-prompt --iterations 1
+
+  riscv64-linux-unittests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install RISC-V toolchain and QEMU
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y g++-riscv64-linux-gnu qemu-user-static
+
+      - name: Build RISC-V unit tests
+        working-directory: build
+        run: |
+          mkdir -p bin-riscv
+          riscv64-linux-gnu-g++ -c -std=c++11 -Wall -pedantic-errors -Wpedantic -Wconversion -DMOODYCAMEL_STATIC -pthread -g -O0 -fno-elide-constructors -fno-exceptions ../c_api/blockingconcurrentqueue.cpp ../c_api/concurrentqueue.cpp
+          riscv64-linux-gnu-g++ -std=c++11 -Wall -pedantic-errors -Wpedantic -Wconversion -DMOODYCAMEL_STATIC -pthread -g -O0 -fno-elide-constructors ../tests/common/simplethread.cpp ../tests/common/systemtime.cpp ../tests/unittests/unittests.cpp blockingconcurrentqueue.o concurrentqueue.o -o bin-riscv/unittests-riscv64 -lrt
+
+      - name: Run RISC-V unit tests under QEMU
+        working-directory: build
+        run: qemu-riscv64-static -L /usr/riscv64-linux-gnu ./bin-riscv/unittests-riscv64 --disable-prompt --iterations 1

README.md

@@ -454,9 +454,10 @@ I've written quite a few unit tests as well as a randomized long-running fuzz te
 core queue algorithm through the [CDSChecker][cdschecker] C++11 memory model model checker. Some of the
 inner algorithms were tested separately using the [Relacy][relacy] model checker, and full integration
 tests were also performed with Relacy.
-I've tested
-on Linux (Fedora 19) and Windows (7), but only on x86 processors so far (Intel and AMD). The code was
-written to be platform-independent, however, and should work across all processors and OSes.
+I've tested
+on Linux (Fedora 19) and Windows (7) on x86 processors (Intel and AMD), and the GitHub Actions CI now also
+cross-compiles and runs the unit tests for `riscv64` Linux under QEMU. The code was written to be
+platform-independent, and should work across all processors and OSes.
 
 Due to the complexity of the implementation and the difficult-to-test nature of lock-free code in general,
 there may still be bugs. If anyone is seeing buggy behaviour, I'd like to hear about it! (Especially if