SIGUSR2           205 srclib/apr/threadproc/unix/signals.c #ifdef SIGUSR2
SIGUSR2           206 srclib/apr/threadproc/unix/signals.c     store_desc(SIGUSR2, "User defined signal 2");
SIGUSR2           314 srclib/apr/threadproc/unix/signals.c #ifdef SIGUSR2
SIGUSR2           315 srclib/apr/threadproc/unix/signals.c     sigdelset(sig_mask, SIGUSR2);