ngx_shm_free      457 src/core/ngx_cycle.c             ngx_shm_free(&oshm_zone[n].shm);
ngx_shm_free      659 src/core/ngx_cycle.c         ngx_shm_free(&oshm_zone[i].shm);
ngx_shm_free       26 src/os/unix/ngx_shmem.h void ngx_shm_free(ngx_shm_t *shm);