SIGUSR1            65 include/mpm_common.h #define AP_SIG_GRACEFUL SIGUSR1
SIGUSR1           383 server/mpm/mpmt_os2/mpmt_os2.c     if (sig == SIGUSR1) {
SIGUSR1           410 server/mpm/mpmt_os2/mpmt_os2.c     if (sigaction(SIGUSR1, &sa, NULL) < 0)
SIGUSR1           202 srclib/apr/threadproc/unix/signals.c #ifdef SIGUSR1
SIGUSR1           203 srclib/apr/threadproc/unix/signals.c     store_desc(SIGUSR1, "User defined signal 1");
SIGUSR1           236 test/time-sem.c     sigdelset(&accept_block_mask, SIGUSR1);
SIGUSR1           332 test/time-sem.c     sigdelset(&accept_block_mask, SIGUSR1);