mtx_trylock 366 maint/gnulib/lib/threads.in.h _GL_FUNCDECL_SYS (mtx_trylock, int, (mtx_t *) _GL_ARG_NONNULL ((1))); mtx_trylock 368 maint/gnulib/lib/threads.in.h _GL_CXXALIAS_SYS (mtx_trylock, int, (mtx_t *)); mtx_trylock 369 maint/gnulib/lib/threads.in.h _GL_CXXALIASWARN (mtx_trylock); mtx_trylock 373 maint/gnulib/lib/threads.in.h _GL_WARN_ON_USE (mtx_trylock, "mtx_trylock is unportable - " mtx_trylock 43 maint/gnulib/tests/test-threads-c++.cc SIGNATURE_CHECK (GNULIB_NAMESPACE::mtx_trylock, int, (mtx_t *));