PTHREAD_SIGMASK_INEFFECTIVE 25 maint/gnulib/lib/pthread_sigmask.c #if PTHREAD_SIGMASK_INEFFECTIVE PTHREAD_SIGMASK_INEFFECTIVE 40 maint/gnulib/lib/pthread_sigmask.c # if PTHREAD_SIGMASK_INEFFECTIVE PTHREAD_SIGMASK_INEFFECTIVE 54 maint/gnulib/lib/pthread_sigmask.c # if PTHREAD_SIGMASK_INEFFECTIVE