ngx_shmtx_create  960 core/ngx_cycle.c     if (ngx_shmtx_create(&sp->mutex, (void *) &sp->lock, file) != NGX_OK) {
ngx_shmtx_create   25 core/ngx_shmtx.h ngx_int_t ngx_shmtx_create(ngx_shmtx_t *mtx, void *addr, u_char *name);
ngx_shmtx_create  523 event/ngx_event.c     if (ngx_shmtx_create(&ngx_accept_mutex, shared, cycle->lock_file.data)