Add TSAN build

.github/workflows/build.yml

@@ -35,6 +35,7 @@ jobs:
           - "gentoo"
           - "ubuntu-24.04-noble-amd64"
           - "ubuntu-26.04-resolute-amd64"
+          - "cpython_sanity-3.14tsan"
           # has a dependency on the test image
           - "manylinux_2_28-wheel-build"
         include:

Makefile

@@ -4,6 +4,7 @@ TARGETS = \
 	arch \
 	centos-stream-9-amd64 \
 	centos-stream-10-amd64 \
+    cpython_sanity-3.14tsan \
 	debian-13-trixie-x86 \
 	debian-13-trixie-amd64 \
 	fedora-43-amd64 \

cpython_sanity-3.14tsan/Dockerfile

@@ -0,0 +1,64 @@
+FROM ghcr.io/nascheme/cpython-tsan:3.14t
+
+RUN apt-get -qq update \
+    && DEBIAN_FRONTEND=noninteractive apt-get -y --no-install-recommends install \
+    cmake \
+    ghostscript \
+    libavif-dev \
+    libegl-dev \
+    libfreetype6-dev \
+    libfribidi-dev \
+    libharfbuzz-dev \
+    libimagequant-dev \
+    libjpeg-turbo8-dev \
+    liblcms2-dev \
+    libopengl-dev \
+    libopenjp2-7-dev \
+    libssl-dev \
+    libtiff5-dev \
+    libwebp-dev \
+    libxcb-cursor0 \
+    libxcb-icccm4 \
+    libxcb-image0 \
+    libxcb-keysyms1 \
+    libxcb-randr0 \
+    libxcb-render-util0 \
+    libxcb-shape0 \
+    libxkbcommon-x11-0 \
+    meson \
+    python3-dev \
+    python3-numpy \
+    python3-setuptools \
+    python3-tk \
+    sudo \
+    tcl8.6-dev \
+    tk8.6-dev \
+    virtualenv \
+    wget \
+    xvfb \
+    zlib1g-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN useradd pillow \
+    && mkdir /home/pillow \
+    && chown pillow:pillow /home/pillow
+
+ARG PIP_DISABLE_PIP_VERSION_CHECK=1
+ARG PIP_NO_CACHE_DIR=1
+
+RUN /work/.pyenv/shims/python3 -m venv /vpy3 \
+    && /vpy3/bin/pip install --upgrade pip \
+    && /vpy3/bin/pip install olefile pytest pytest-cov pytest-timeout \
+    && chown -R pillow:pillow /vpy3
+
+COPY depends /depends
+RUN cd /depends \
+    && ./install_raqm.sh
+
+ENV FORCE_COLOR=1
+ENV PILLOW_TSAN_TEST=1
+
+USER pillow
+CMD ["/depends/test.sh"]
+
+#docker run -v $GITHUB_WORKSPACE:/Pillow pythonpillow/cpython_sanity-3.14tsan

cpython_sanity-3.14tsan/Makefile

@@ -0,0 +1 @@
+../Makefile.sub

cpython_sanity-3.14tsan/test.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+source /vpy3/bin/activate
+cd /Pillow
+make clean
+make install-tsan
+/usr/bin/xvfb-run -a .ci/test.sh

cpython_sanity-3.14tsan/update.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+docker pull ghcr.io/nascheme/cpython-tsan:3.14t