Palloc v1.2.0

.github/workflows/build.yml

@@ -0,0 +1,64 @@
+# Build and test palloc on Linux and Windows
+name: Build
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+jobs:
+  linux:
+    name: Linux
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Configure
+        run: cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release
+      - name: Build
+        run: cmake --build build -j
+      - name: Test
+        run: ctest --test-dir build --output-on-failure
+
+  windows-msvc:
+    name: Windows (MSVC)
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Configure
+        run: >
+          cmake -B build
+          -G "Visual Studio 17 2022" -A x64
+          -DPA_WIN_REDIRECT=OFF
+        shell: bash
+      - name: Build Release
+        run: cmake --build build --config Release
+        shell: bash
+      - name: Test
+        run: ctest --test-dir build -C Release --output-on-failure
+        shell: bash
+
+  windows-mingw:
+    name: Windows (MinGW)
+    runs-on: windows-latest
+    defaults:
+      run:
+        shell: msys2 {0}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup MinGW
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: UCRT64
+          update: true
+          pacboy: toolchain:p cmake:p ninja:p
+
+      - name: Configure
+        run: cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DPA_WIN_REDIRECT=OFF
+      - name: Build
+        run: cmake --build build -j
+      - name: Test
+        run: ctest --test-dir build --output-on-failure

.gitignore

@@ -85,4 +85,8 @@ dist/
 .env
 .env.local
 *.local
-bin/
+
+# bin/: keep source (BUILD.md, readme.md, CMakeLists.txt, palloc-redirect.c); do not commit prebuilt binaries
+bin/*.dll
+bin/*.lib
+bin/*.exe

CMakeLists.txt

@@ -60,6 +60,7 @@ set(pa_sources
     src/alloc-aligned.c
     src/alloc-posix.c
     src/arena.c
+    src/arena_pomai.c
     src/bitmap.c
     src/heap.c
     src/init.c
@@ -402,7 +403,8 @@ endif()
 
 # Check /proc/cpuinfo for an SV39 MMU and limit the virtual address bits.
 # (this will skip the aligned hinting in that case. Issue #939, #949)
-if (EXISTS /proc/cpuinfo)
+# Only on Linux: /proc/cpuinfo does not exist on Windows/macOS.
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND EXISTS "/proc/cpuinfo")
   file(STRINGS /proc/cpuinfo pa_sv39_mmu REGEX "^mmu[ \t]+:[ \t]+sv39$")
   if (pa_sv39_mmu)
     MESSAGE( STATUS "Set virtual address bits to 39 (SV39 MMU detected)" )
@@ -629,11 +631,23 @@ if(PA_BUILD_SHARED)
       set(PALLOC_REDIRECT_SUFFIX "-${PA_ARCH}")  # -arm64 etc.
     endif()
 
-    target_link_libraries(palloc PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/bin/palloc-redirect${PALLOC_REDIRECT_SUFFIX}.lib)  # the DLL import library
-    add_custom_command(TARGET palloc POST_BUILD
-      COMMAND "${CMAKE_COMMAND}" -E copy "${CMAKE_CURRENT_SOURCE_DIR}/bin/palloc-redirect${PALLOC_REDIRECT_SUFFIX}.dll" $<TARGET_FILE_DIR:palloc>
-      COMMENT "Copy palloc-redirect${PALLOC_REDIRECT_SUFFIX}.dll to output directory")
-    install(FILES "$<TARGET_FILE_DIR:palloc>/palloc-redirect${PALLOC_REDIRECT_SUFFIX}.dll" DESTINATION ${CMAKE_INSTALL_BINDIR})
+    # Build redirect DLL from bin/ (or use prebuilt .lib/.dll in bin/ if present)
+    set(PA_REDIRECT_PREBUILT_LIB "${CMAKE_CURRENT_SOURCE_DIR}/bin/palloc-redirect${PALLOC_REDIRECT_SUFFIX}.lib")
+    set(PA_REDIRECT_PREBUILT_DLL "${CMAKE_CURRENT_SOURCE_DIR}/bin/palloc-redirect${PALLOC_REDIRECT_SUFFIX}.dll")
+    if(EXISTS "${PA_REDIRECT_PREBUILT_LIB}" AND EXISTS "${PA_REDIRECT_PREBUILT_DLL}")
+      target_link_libraries(palloc PRIVATE "${PA_REDIRECT_PREBUILT_LIB}")
+      add_custom_command(TARGET palloc POST_BUILD
+        COMMAND "${CMAKE_COMMAND}" -E copy "${PA_REDIRECT_PREBUILT_DLL}" $<TARGET_FILE_DIR:palloc>
+        COMMENT "Copy palloc-redirect${PALLOC_REDIRECT_SUFFIX}.dll to output directory")
+      install(FILES "$<TARGET_FILE_DIR:palloc>/palloc-redirect${PALLOC_REDIRECT_SUFFIX}.dll" DESTINATION ${CMAKE_INSTALL_BINDIR})
+    else()
+      add_subdirectory(bin)
+      target_link_libraries(palloc PRIVATE palloc-redirect)
+      add_custom_command(TARGET palloc POST_BUILD
+        COMMAND "${CMAKE_COMMAND}" -E copy $<TARGET_FILE:palloc-redirect> $<TARGET_FILE_DIR:palloc>
+        COMMENT "Copy palloc-redirect DLL to output directory")
+      install(FILES $<TARGET_FILE:palloc-redirect> DESTINATION ${CMAKE_INSTALL_BINDIR})
+    endif()
   endif()
 endif()
 
@@ -659,6 +673,8 @@ install(FILES include/palloc.h DESTINATION ${pa_install_incdir})
 install(FILES include/palloc-override.h DESTINATION ${pa_install_incdir})
 install(FILES include/palloc-new-delete.h DESTINATION ${pa_install_incdir})
 install(FILES include/palloc-stats.h DESTINATION ${pa_install_incdir})
+install(FILES include/palloc_cxx_arena.h DESTINATION ${pa_install_incdir})
+install(FILES include/palloc/arena_pomai.h DESTINATION ${pa_install_incdir}/palloc)
 install(FILES cmake/palloc-config.cmake DESTINATION ${pa_install_cmakedir})
 install(FILES cmake/palloc-config-version.cmake DESTINATION ${pa_install_cmakedir})
 
@@ -724,7 +740,7 @@ if (PA_BUILD_TESTS)
   enable_testing()
 
   # static link tests
-  foreach(TEST_NAME api api-fill stress)
+  foreach(TEST_NAME api api-fill stress arena-pomai basic)
     add_executable(palloc-test-${TEST_NAME} test/test-${TEST_NAME}.c)
     target_compile_definitions(palloc-test-${TEST_NAME} PRIVATE ${pa_defines})
     target_compile_options(palloc-test-${TEST_NAME} PRIVATE ${pa_cflags})

CMakePresets.json

@@ -0,0 +1,26 @@
+{
+  "version": 3,
+  "cmakeMinimumRequired": { "major": 3, "minor": 18 },
+  "configurePresets": [
+    {
+      "name": "release-maxperf",
+      "displayName": "Release (max throughput for benchmarks)",
+      "binaryDir": "${sourceDir}/build",
+      "cacheVariables": {
+        "CMAKE_BUILD_TYPE": "Release",
+        "PA_OPT_ARCH": "ON",
+        "PA_PADDING": "OFF",
+        "PA_SECURE": "OFF",
+        "PA_DEBUG": "OFF",
+        "PA_DEBUG_INTERNAL": "OFF",
+        "PA_DEBUG_FULL": "OFF"
+      }
+    }
+  ],
+  "buildPresets": [
+    {
+      "name": "release-maxperf",
+      "configurePreset": "release-maxperf"
+    }
+  ]
+}