diff options
| -rw-r--r-- | config.tests/cxa_thread_atexit/main.c | 13 | ||||
| -rw-r--r-- | src/corelib/configure.cmake | 2 |
2 files changed, 14 insertions, 1 deletions
diff --git a/config.tests/cxa_thread_atexit/main.c b/config.tests/cxa_thread_atexit/main.c index 19eef494392..297e3939a5f 100644 --- a/config.tests/cxa_thread_atexit/main.c +++ b/config.tests/cxa_thread_atexit/main.c @@ -2,6 +2,19 @@ // SPDX-License-Identifier: BSD-3-Clause #include <stddef.h> +#if defined(__vxworks) || defined(__VXWORKS__) +/* + * In VxWorks pthread implementation, when thread is finishing it calls pthread_exit(), which: + * - calls pthread cleanup procedure + * - clears pthread data (setting current thread to null) + * - calls `taskExit` VxWorks system procedure + * `taskExit` procedure calls thread_local object destructors, which if call directly or indirectly + * `pthread_self()`, terminate with error, due to not being able to obtain pthread entity. + * Thus, we need to treat VxWorks pthread implementation as `broken` in terms of thread_local variables. + */ +# error "VxWorks threadlocal destructors are called after pthread data is destroyed, causing crash." +#endif + typedef void (*dtor_func) (void *); int TEST_FUNC(dtor_func func, void *obj, void *dso_symbol); int main() diff --git a/src/corelib/configure.cmake b/src/corelib/configure.cmake index de42a8c03ee..71812527917 100644 --- a/src/corelib/configure.cmake +++ b/src/corelib/configure.cmake @@ -615,7 +615,7 @@ qt_feature("cxx17_filesystem" PUBLIC ) qt_feature("broken-threadlocal-dtors" PRIVATE LABEL "Broken execution of thread_local destructors at exit() time" - # Windows broken in different ways from Unix + # Windows is broken in different ways from Unix CONDITION WIN32 OR NOT (TEST_cxa_thread_atexit OR TEST_cxa_thread_atexit_impl) ) qt_feature("dladdr" PRIVATE |