MAP_SHARED        278 os/unix/ngx_files.c     fm->addr = mmap(NULL, fm->size, PROT_READ|PROT_WRITE, MAP_SHARED,
MAP_SHARED         18 os/unix/ngx_shmem.c                                 MAP_ANON|MAP_SHARED, -1, 0);
MAP_SHARED         55 os/unix/ngx_shmem.c                                 MAP_SHARED, fd, 0);