| uipc_shm.c (297976) | uipc_shm.c (298649) |
|---|---|
| 1/*- 2 * Copyright (c) 2006, 2011 Robert N. M. Watson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 28 unchanged lines hidden (view full) --- 37 * 38 * (2) Add support for this file type to fstat(1). 39 * 40 * (3) Resource limits? Does this need its own resource limits or are the 41 * existing limits in mmap(2) sufficient? 42 */ 43 44#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2006, 2011 Robert N. M. Watson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 28 unchanged lines hidden (view full) --- 37 * 38 * (2) Add support for this file type to fstat(1). 39 * 40 * (3) Resource limits? Does this need its own resource limits or are the 41 * existing limits in mmap(2) sufficient? 42 */ 43 44#include <sys/cdefs.h> |
| 45__FBSDID("$FreeBSD: head/sys/kern/uipc_shm.c 297976 2016-04-14 17:07:26Z jamie $"); | 45__FBSDID("$FreeBSD: head/sys/kern/uipc_shm.c 298649 2016-04-26 15:38:17Z pfg $"); |
| 46 47#include "opt_capsicum.h" 48#include "opt_ktrace.h" 49 50#include <sys/param.h> 51#include <sys/capsicum.h> 52#include <sys/conf.h> 53#include <sys/fcntl.h> --- 321 unchanged lines hidden (view full) --- 375 376 /* 377 * Attempt to return sanish values for fstat() on a memory file 378 * descriptor. 379 */ 380 bzero(sb, sizeof(*sb)); 381 sb->st_blksize = PAGE_SIZE; 382 sb->st_size = shmfd->shm_size; | 46 47#include "opt_capsicum.h" 48#include "opt_ktrace.h" 49 50#include <sys/param.h> 51#include <sys/capsicum.h> 52#include <sys/conf.h> 53#include <sys/fcntl.h> --- 321 unchanged lines hidden (view full) --- 375 376 /* 377 * Attempt to return sanish values for fstat() on a memory file 378 * descriptor. 379 */ 380 bzero(sb, sizeof(*sb)); 381 sb->st_blksize = PAGE_SIZE; 382 sb->st_size = shmfd->shm_size; |
| 383 sb->st_blocks = (sb->st_size + sb->st_blksize - 1) / sb->st_blksize; | 383 sb->st_blocks = howmany(sb->st_size, sb->st_blksize); |
| 384 mtx_lock(&shm_timestamp_lock); 385 sb->st_atim = shmfd->shm_atime; 386 sb->st_ctim = shmfd->shm_ctime; 387 sb->st_mtim = shmfd->shm_mtime; 388 sb->st_birthtim = shmfd->shm_birthtime; 389 sb->st_mode = S_IFREG | shmfd->shm_mode; /* XXX */ 390 sb->st_uid = shmfd->shm_uid; 391 sb->st_gid = shmfd->shm_gid; --- 715 unchanged lines hidden --- | 384 mtx_lock(&shm_timestamp_lock); 385 sb->st_atim = shmfd->shm_atime; 386 sb->st_ctim = shmfd->shm_ctime; 387 sb->st_mtim = shmfd->shm_mtime; 388 sb->st_birthtim = shmfd->shm_birthtime; 389 sb->st_mode = S_IFREG | shmfd->shm_mode; /* XXX */ 390 sb->st_uid = shmfd->shm_uid; 391 sb->st_gid = shmfd->shm_gid; --- 715 unchanged lines hidden --- |