ARCHIVE/rippled
1
0
Fork 0
mirror of https://github.com/XRPLF/rippled.git synced 2026-04-29 15:37:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix: Build Boost.Context with ucontext backend for TSAN builds

Browse Source 
TSAN cannot instrument fcontext (assembly) context switches, causing
undefined symbol errors for fiber_activation_record::current(). Add
Conan build options and CMake defines to use the ucontext backend
for TSAN, matching the existing ASAN configuration.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Pratik Mankawde
2026-03-19 11:18:14 +00:00
parent 018fe98696
commit d2079574c7
2 changed files with 18 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
cmake/deps/Boost.cmake
View File

@@ -61,3 +61,14 @@ if(enable_asan)
INTERFACE BOOST_USE_ASAN BOOST_USE_UCONTEXT
)
endif()
# TSAN also requires the ucontext backend so that Boost.Context uses
# POSIX ucontext (not fcontext assembly) for fiber switching. This
# allows TSAN to properly track context switches and avoids false positives.
# These defines must match what Boost was compiled with (see conan/profiles/sanitizers).
if(enable_tsan)
target_compile_definitions(
xrpl_boost
INTERFACE BOOST_USE_TSAN BOOST_USE_UCONTEXT
)
endif()

7
conan/profiles/sanitizers
View File

@@ -82,5 +82,12 @@ tools.info.package_id:confs+=["tools.build:cxxflags", "tools.build:exelinkflags"
boost/*:without_context=False
# Boost stacktrace fails to build with some sanitizers
boost/*:without_stacktrace=True
{% elif "thread" in sanitizers %}
# Build Boost.Context with ucontext backend (not fcontext) so that
# TSAN can instrument fiber/context switches. fcontext uses raw assembly
# which TSAN cannot intercept, causing false positives and link errors.
boost/*:extra_b2_flags=context-impl=ucontext thread-sanitizer=on define=BOOST_USE_TSAN=1
boost/*:without_context=False
boost/*:without_stacktrace=True
{% endif %}
{% endif %}