SYSVSEM_USAGE     152 ext/sysvsem/sysvsem.c 	sop[0].sem_num = SYSVSEM_USAGE;
SYSVSEM_USAGE     236 ext/sysvsem/sysvsem.c 	sop[2].sem_num = SYSVSEM_USAGE;
SYSVSEM_USAGE     247 ext/sysvsem/sysvsem.c 	count = semctl(semid, SYSVSEM_USAGE, GETVAL, NULL);