Search
Search
#1. Linux系统调用之open(), close() - 乔部落格
O_RDONLY 只读打开; O_WRONLY 只写打开; O_RDWR 可读可写打开. 以下可选项可以同时指定0个或多个,和必选项按位或起来作为 flags 参数。
#2. open(2) - Linux manual page - man7.org
The argument flags must include one of the following access modes: O_RDONLY, O_WRONLY, or O_RDWR. These request opening the file read-only, ...
#3. Linux 系統程式設計- fd 及open()、close() 系統呼叫 - Jayce 的 ...
open() 的flags 可以是一個或多個值OR 的結果,用以表示開啟要求的行為,且必須包含O_RDONLY、O_WRONLY 或O_RDWR 三者其中之一,但如果開檔的行程不 ...
#4. trace 30個基本Linux系統呼叫第四日:open - iT 邦幫忙
open("/tmp/r.txt", O_RDONLY) = 3 open("/tmp/r+.txt", O_RDWR) = 4 open("/tmp/w.txt", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 5 open("/tmp/w+.txt", ...
#5. O_RDWR, O_CREAT等open函数标志位在哪里定义? - CSDN ...
查了下O_RDWR, O_CREAT等定义,终于找到了。我的系统是Fedora12, 其定义在文件:/usr/include/asm-generic/fcntl.h,部分定义如下:[cpp] view ...
O_RDWR 以可读写方式打开文件. 上述三种旗标是互斥的, 也就是不可同时使用, 但可与下列的旗标利用OR(|)运算符组合. O_CREAT 若欲打开的文件不存在则自动建立该文件.
#7. O_RDWR, O_CREAT等open函式標誌位在哪裡定義? - IT閱讀
查了下O_RDWR, O_CREAT等定義,終於找到了。 ... #define O_RDONLY 00000000; #define O_WRONLY 00000001; #define O_RDWR 00000002; #ifndef O_CREAT ...
#8. open, creat - 用來打開和創建一個文件或設備
這個新的文件描述符在其後對打開文件操作的函數中使用(參考fcntl(2) )文件的讀寫指針被置於文件頭參數flags 是通過O_RDONLY, O_WRONLY 或O_RDWR ...
#9. Using O_RDWR vs O_RDONLY | O_WRONLY - Stack Overflow
O_RDONLY | O_WRONLY (at least on my Linux machine) is not the same thing as O_RDWR . #define O_RDONLY 00 #define O_WRONLY 01 #define O_RDWR ...
#10. open
O_WRONLY: Open for writing only. O_RDWR: Open for reading and writing. The result is undefined if this flag is applied to a FIFO.
#11. O_RDWR O_CREAT等open函数标志位在哪里定义?(格式还 ...
The argument flags must include one of the following access modes: O_RDONLY, O_WRONLY, or O_RDWR. These request opening the file read-only, ...
#12. Python os.O_RDWR屬性代碼示例- 純淨天空
在下文中一共展示了os.O_RDWR屬性的20個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於我們的係統推薦出更棒的Python ...
#13. open(3): open file - Linux man page - Linux Documentation
O_RDWR : Open for reading and writing. The result is undefined if this flag is applied to a FIFO. Any combination of the following may be used:.
#14. fcntl.h
... 00000000 #define O_WRONLY 00000001 #define O_RDWR 00000002 #ifndef O_CREAT #define O_CREAT 00000100 /* not fcntl */ #endif #ifndef O_EXCL #define O_EXCL ...
#15. c++ - 使用O_RDWR与O_RDONLY | O_WRONLY - IT工具网
c++ - 使用O_RDWR与O_RDONLY | O_WRONLY. 标签 c++ linux. 在我的简单程序中: #include <iostream> #include <unistd.h> #include <fcntl.h> #include <sstream> using ...
#16. Access Modes (The GNU C Library)
This means that O_RDWR is the same as O_RDONLY|O_WRONLY . A file access mode of zero is permissible; it allows no operations that do input or output to the file ...
#17. open, open64
You must specify exactly one of the first three values (file access modes) below in the value of oflag: O_RDONLY: Open for reading only. O_RDWR: Open for ...
#18. Python os.open() 方法 - 菜鸟教程
参数 · file -- 要打开的文件 · flags -- 该参数可以是以下选项,多个使用"|" 隔开:. os.O_RDONLY: 以只读的方式打开; os.O_WRONLY: 以只写的方式打开; os.O_RDWR : 以读写 ...
#19. O_RDWR identifier - Linux source code (v4.1) - Elixir Bootlin
Elixir Cross Referencer - Explore source code in your browser - Particularly useful for the Linux kernel and other low-level projects in C/C++ (bootloaders, ...
#20. Open a file - IBM
If pathname refers to a STREAM file, oflag may be constructed from O_NONBLOCK OR-ed with either O_RDONLY , O_WRONLY or O_RDWR . Other flag values are not ...
#21. O_RDWR, O_CREAT等open函数标志位在哪里定义?
查了下O_RDWR,O_CREAT等定义,终于找到了。我的系统是Fedora12,其定义在文件:/usr/include/asm-generic/fcntl.h,部分定义如下...,CodeAntenna技术文章技术问题代码 ...
#22. O_RDWR identifier - Linux source code (v5.14.3) - Elixir Bootlin
Elixir Cross Referencer - Explore source code in your browser - Particularly useful for the Linux kernel and other low-level projects in C/C++ (bootloaders, ...
#23. O_RDWR | Apple Developer Documentation
O_RDWR. No overview available. Availability. iOS 14.0+; iPadOS 14.0+; macOS 11.0+; Mac Catalyst 14.0+; tvOS 14.0+; watchOS 7.0+. Framework.
#24. Source to sys/fcntl.h
... open-only flags */ #define O_RDONLY 0x0000 /* open for reading only */ #define O_WRONLY 0x0001 /* open for writing only */ #define O_RDWR 0x0002 /* open ...
#25. 錯誤訊息:Error during session start - 愛踢瑞士刀
... open(SESSION_FILE, O_RDWR) failed: Permission denied (13) session_start(): Failed to read session data: files (path: /var/lib/php/session).
#26. Python Examples of os.O_RDWR - ProgramCreek.com
Python os.O_RDWR Examples. The following are 30 code examples for showing how to use os.O_RDWR(). These examples are extracted ...
#27. NativeIO (Hadoop 1.0.4 API)
org.apache.hadoop.io.nativeio. Class NativeIO · O_RDONLY · O_WRONLY · O_RDWR · O_CREAT · O_EXCL · O_NOCTTY · O_TRUNC · O_APPEND.
#28. Trouble with the definition of O_RDWR · Issue #163 - GitHub
It seems that GNU programs do not expect O_RDONLY, O_WRONLY, and O_RDWR to share bits. This is demonstrated by this excerpt from gnulib's ...
#29. libc::O_RDWR - Rust - Docs.rs
API documentation for the Rust `O_RDWR` constant in crate `libc`. ... [−][src]Constant libc::O_RDWR. pub const O_RDWR: c_int ...
#30. open when using O_RDWR - TitanWolf
file = open("test.txt",O_RDWR|O_CREAT,S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH);. res = read(0,list,1024);. printf("input %d characters\n",res);.
#31. open(/dev/ietctl, O_RDWR) 参数含义(转载) - 51CTO博客
open(/dev/ietctl, O_RDWR) 参数含义(转载),
#32. O_WRONLY 和O_RDWR_tianwailaibin的专栏-程序员秘密
最近看到O_RDONLY | O_WRONLY 这样的写法,看样子是想读写,但是读写应该是O_RDWR,按理来说,做位运算,二者应该是一样的。测试之,printf("rd:%d, wr:%d, rdwr:%d, ...
#33. Equivalent Of O_Rdwr - paulinaaliyahhallie
O_RDWR is defined in fcntl.h and is equals to 2. O_ WRONLY = 1 O_RDON LY = 0 1 = 1 2 = 2 3 = 3 1 (O_RDON LY + O_W RON LY) = 1 (O_RDONLY ...
#34. 关于linux:带有poll()的命名管道上的O_RDWR | 码农家园
O_RDWR on named pipes with poll()我经历了各种不同的名为管道客户端/服务器实现的Linux,但是其中大多数在读取/写入时使用默认阻止。
#35. open(“/ tmp”,O_RDWR | O_TMPFILE,0)失敗,許可權被拒絕
我試圖用 fd = open("/tmp", O_RDWR | O_TMPFILE, 0); if (fd == -1) { perror("open()"); exit(1); } 我得到“open():許可權被拒絕”。
#36. POSIX: fcntl.h File Reference - AWS Documentation
File access modes for open(), openat(), and fcntl(). #define, O_EXEC 0x1000. #define, O_RDONLY 0x2000. #define, O_RDWR 0xA000.
#37. Python os 模块,O_RDWR 实例源码 - 编程字典
Python os 模块,O_RDWR 实例源码. 我们从Python开源项目中,提取了以下50个代码示例,用于说明如何使用os.O_RDWR。 项目:zippy 作者:securesystemslab | 项目源码 ...
#38. How to fix undeclared O_RDONLY/O_RDWR/O_WRONLY in C
to the top of the source file where the error occured. The POSIX header fcntl.h includes the definitions for O_RDONLY , O_RDWR and O_WRONLY ...
#39. #1527 (linux megaraid: opening the device for ioctls with ...
smartctl opens /dev/sdb as O_RDWR before using the fd to do the SG_GET_SCSI_ID and SCSI_IOCTL_GET_BUS_NUMBER ioctls. This causes the kernel to rescan ...
#40. O_RDWR, O_CREAT等open函数标志位在哪里定义 ...
查了下O_RDWR, O_CREAT等定义,终于找到了。我的系统是Fedora12, 其定义在文件:/usr/include/asm-generic/fcntl.h,部分定义如下:[cpp] view plaincopy#include ...
#41. fcntl-linux.h source code [glibc/sysdeps/unix/sysv/linux/bits ...
45, #define O_RDWR 02. 46, #ifndef O_CREAT. 47, # define O_CREAT 0100 /* Not fcntl. */. 48, #endif. 49, #ifndef O_EXCL.
#42. O_RDWR - Free Pascal
O_RDWR. fpOpen file open mode: Read/Write. Declaration. Source position: ostypes.inc line 253. const O_RDWR = 2;. Documentation generated on: May 14 2021.
#43. open("/dev/mem ",O_RDWR | O_SYNC)_ZP1015-程序员 ...
【摘要】open(“/dev/mem”,O_RDWR|O_SYNC) 中/dev/mem是物理内存的全映像,可以用来访问物理内存。然后mmap,接着就可以用mmap的地址来访问物理内存,这实际上就是实现 ...
#44. dio_open - Manual - PHP
O_RDWR - opens the file for both reading and writing. O_CREAT - creates the file, if it doesn't already exist. O_EXCL - if both O_CREAT ...
#45. O_EXCL原子如果文件在Win10 PC的samba共享上? - 问答
对于那些没有获得锁定的人,我希望 open 返回-1。 m_iFileDescriptor = open(m_sPath.c_str(), O_RDWR|O_CREAT|O_EXCL, 0666);. 关注问题写回答 ...
#46. MAN open (2) Системные вызовы (FreeBSD и Linux)
Параметр flags - это флаги O_RDONLY, O_WRONLY или O_RDWR, открывающие файлы "только для чтения", "только для записи" и для чтения и записи соответственно, ...
#47. fd = open(/dev/mini2440_spi, O_RDWR);这个是什么意思?是 ...
fd = open(/dev/mini2440_spi, O_RDWR);这个是什么意思?是打开串口吗?谢谢啊. 呵呵是打开spi口吗?... 呵呵是打开spi口吗? 展开. 我来答.
#48. linux O_RDWR定义,linux o - 简明教程
open函数详细信息函数原型open函数返回值open函数的重点:flags参数flags 的O_RDONLY、O_WRONLY、O_RDWR、O_TRUNC、O_APPEND 参数宏的含义O_APPEND参数flags参数 ...
#49. open a file for read or write.
O_RDWR : open for reading and writing. O_APPEND: open for update at the end of the file. O_CREAT: if O_RDWR is set, this causes the file to be created if it ...
#50. open()
O_RDWR permits all system calls to be executed. O_EXCL waits for other opens on the associated SCSI device to be closed before proceeding.
#51. Python os.open() Method - Tutorialspoint
O_RDWR − open for reading and writing. os.O_NONBLOCK − do not block on open. os.O_APPEND − append on each write. os.O_CREAT − create file if it does not ...
#52. client access ids file for reading with O_RDWR mode. Change ...
Oracle MessageQ - Version 5.0 and later: MQ: client access ids file for reading with O_RDWR mode. Change permission of attaching dmqqe ...
#53. linux - O_RDWR on named pipes with poll() - OStack Q&A ...
First, some preliminaries: Using O_NONBLOCK and poll() is common practice -- not the other way around. To work successfully, you need to be ...
#54. Golang os.O_RDWR Constant with Examples - Includehelp.com
Golang | os.O_RDWR Constant: Here, we are going to learn about the O_RDWR constant of the os package with its usages, syntax, and examples.
#55. open(/tmp/sess_jVukoxAKbBFxT1TwRPrxM2, O_RDWR) failed
[Closed] Warning: session_start(): open(/tmp/sess_jVukoxAKbBFxT1TwRPrxM2, O_RDWR) failed: This is the technical support forum for Toolset ...
#56. 文件打开的常量| Node.js API 文档
O_RDWR, 指示打开文件以进行读写访问的标志。 O_CREAT, 如果文件不存在则指示创建文件的标志。 O_EXCL, 如果设置了 O_CREAT 标志并且文件已经存在,则指示打开文件应该 ...
#57. Code風景區- [FIFO] 根據POSIX,使用O_RDWR開啟一個fifo是 ...
[FIFO] 根據POSIX,使用O_RDWR開啟一個fifo是一個undefined behavior 開啟fifo請使用O_RDONLY或O_WRONLY 讀取一個空的fifo或寫入一個滿載的fifo會 ...
#58. 以下哪个答案等效于Ubuntu 14.04 LTS上的O_RDWR? - 码农 ...
我得到了以下复选框的列表,其中包含选择与Ubuntu 14.04 LTS上的O_RDWR等效的所有真实答案的问题的所有可能解决方案。根据下面的清单O_RDONLY 1个2 3 ...
#59. fcntl-linux.h source code [ClickHouse/contrib/libc-headers ...
45, #define O_RDWR 02. 46, #ifndef O_CREAT. 47, # define O_CREAT 0100 /* Not fcntl. */. 48, #endif. 49, #ifndef O_EXCL.
#60. bananajaelly (@O_RDWR) | Twitter
Only confirmed followers have access to @O_RDWR's Tweets and complete profile. Click the "Follow" button to send a follow request.
#61. Tizen RT Libs&Environment: FCNTL
#define, O_ACCMODE O_RDWR /* Mask for access mode */. #define, O_NOCTTY 0 /* Required by POSIX */. #define, O_TEXT 0 /* Open the file in text (translated) ...
#62. 'module' object has no attribute 'O_RDWR' - honeybee
I've been converting a definition to use the LadybugTools1.0 components. This definition has an energy simulation and a Radiance simulation.
#63. 跑到init()中的"if (open("/dev/console", O_RDWR, 0) < 0)"這行 ...
每次開機到freeing init memory: 40K的地方就會卡住, 經過trace後發現是在main.c中的init()裡執行到"if (open("/dev/console", O_RDWR, 0) < 0)"這一行,
#64. open("/dev/mem ",O_RDWR | O_SYNC)_xxgxgx的专栏
【摘要】/dev/mem是物理内存的全映像,可以用来访问物理内存,一般用法是open(“/dev/mem”,O_RDWR|O_SYNC),然后mmap,接着就可以用mmap的地址来访问物理内存, ...
#65. Man page of OPEN
オープンファイル記述の詳細な説明は「注意」の節を参照。 引数 flags には、アクセスモード O_RDONLY, O_WRONLY, O_RDWR のどれかひとつが入っていなけれ ...
#66. open("/dev/null",o_rdwr)的问题_weixin_30496751的博客
open("/dev/null",..)很多程序在一开始的时候要做这样的处理/** make sure we have stdin/stdout/stderr reserved*/while((t = open("/dev/null",O_RDWR)) < 3 && T > ...
#67. Serial Port Access Denied using open("/dev/ttyS0", O_RDWR
int open_port(void) { int fd; /* File descriptor for the port */ fd = open("/dev/ttyS0", O_RDWR | O_NOCTTY | O_NDELAY); if (fd == -1) ...
#68. stl::fstream O_RDWR | O_CREAT | C++ | Coding Forums
stream after trying to open it, but I wanted to be sure I was not missing a flag like O_RDWR | O_CREAT. Thanks, -Luther.
#69. 713448 – dev-libs/libax25-0.0.12_rc4 : daemon.c: error
popen daemon.c:43:29: error: O_RDWR undeclared (first use in this function) 43 | if ((fd = open(/dev/tty, O_RDWR)) >= 0) ...
#70. open(/dev/ietctl, O_RDWR) 参数含义- Welcome My Blog!
一般的写法是if((fd=open("/dev/ttys0",O_RDWR | O_NOCTTY | O_NDELAY)<0){. perror("open");. } 这个事常用的一种用法fd是设备描述符,linux在操作 ...
#71. linux文件操作函數(open、write、read、close) - 每日頭條
O_RDWR :以讀寫方式打開文件. O_CREAT:如果改文件不存在,就創建一個新的文件,並用第三個參數為其設置權限. O_EXCL:如果使用O_CREAT時文件存在,則 ...
#72. Error: session_start(): open(SESSION_FILE, O_RDWR) failed
Error: session_start(): open(SESSION_FILE, O_RDWR) failed: Permission denied (13) while accessing PHPMyAdmin · 1. Login to server via SSH. · 2. Check the ...
#73. linux - 使用poll()在命名管道上使用O_RDWR - Cache One
经过所有研究,我认为以O_RDWR模式打开管道是防止在没有任何编写者打开管道的情况下无限期发生EOF事件的唯一方法。 这样,管道的两端都关闭了,其他客户端也可以打开可写端 ...
#74. Linux文件创建——open/creat函数,功能O_RDWR - 程序员 ...
Linux文件创建——open/creat函数,功能O_RDWR|O_CREAT|O_EXCL|O_APPEND|O_TRUNC_举子人间-程序员ITS203_linux中o_creat. 技术标签: 嵌入式软件. 在这里插入图片描述
#75. Source: file.go in package os - GitHub Pages
O_RDWR // open the file read-write. ... If successful, methods on the returned File can // be used for I/O; the associated file descriptor has mode O_RDWR.
#76. 嵌入式代码open(“/dev/buttons”,O_RDWR);含义 - 极客分享
一般的写法是:if((fd = open(“/dev/buttons”,O_RDWR))<0){perror(“open”); }这个常用的一种用法fd是设备表述符,linux在操作硬件设备时, ...
#77. xv6/fcntl.h File Reference - CSE, IIT Delhi
Defines. #define, O_RDONLY 0x000. #define, O_WRONLY 0x001. #define, O_RDWR 0x002. #define, O_CREATE 0x200. Define Documentation. #define O_CREATE 0x200 ...
#78. Add operations to support O_WRONLY and O_RDWR in fuse ...
Currently, open() fails with ENOTSUP if O_WRONLY/O_RDWR is used without O_TRUNC, or O_APPEND, because GFileIOStream is not supported by GVfs ...
#79. c - O_RDWR 权限被拒绝- 程序调试信息网
我创建了这个文件 char *output = "big"; creat(output, O_RDWR); 当我尝试读取文件时 cat big 我的许可被拒绝。我的代码有什么问题?如何创建具有读写权限模式的文件 ...
#80. os — Miscellaneous operating system interfaces — Python ...
O_RDWR ¶; os. O_APPEND ¶; os. O_CREAT ¶; os. O_EXCL ¶; os. O_TRUNC ¶. The above constants are available on Unix and Windows. os. O_DSYNC ¶; os.
#81. 嵌入式代碼open(“/dev/buttons”,O_RDWR);含義 - 台部落
一般的寫法是: if((fd = open(“/dev/buttons”,O_RDWR))<0){ perror(“open”); } 這個常用的一種用法fd是設備表述符,linux在操作硬件設備時, ...
#82. O_RDWR on named pipes with poll() - Pretag
... is to use O_RDWR | O_NONBLOCK.,(Non-portable, Linux-specific.) With poll(), and with the expectation that named pipes never terminate, ...
#83. Phpmyadmin error after update - VestaCP Forums
session_start(): open(SESSION_FILE, O_RDWR)) failed: Permission denied (13) Image Cookies are enabled, Does anyone have a solution or can ...
#84. C linux internal difference between O_WRONLY and ...
I know open offers these mutually exclusive flags: O_RDONLY , O_WRONLY and O_RDWR . I want to know: Are there any performance issues (even of it's just a ...
#85. Linux环境下的文件指令 - 知乎专栏
pathname:要打开的文件名(含路径,缺省为当前路径) <字符串格式>; flags: O_RDONLY 只读打开; O_WRONLY 只写打开; O_RDWR 可读可写打开. 以上这三个 ...
#86. Missing O_ACCMODE macro and wrong O_RDWR #102
Hello,. Taking a look at the io_common.h , we have: #define O_RDONLY 0x0001 #define O_WRONLY 0x0002 #define O_RDWR 0x0003 #define O_DIROPEN 0x0008 ...
#87. Reading and Writing Binary (unformatted) Files - Emory ...
There is also a O_RDWR mode that is used in database application where existing data is updated (read and write permitted) - I don't think numerical ...
#88. 果凍的程式備忘簿 - 點部落
Warning: session_start() [function.session-start]: open(C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/1\sess_8ab23a084b97a02872af511bfc40cea1, O_RDWR) ...
#89. session_start() [function.session-start]: open(, O_RDWR) failed
Warning: session_start() [function.session-start]: open(/tmp/sess_18729d25863689e6676fe25b6942ae56, O_RDWR) failed: Permission denied (13) ...
#90. stl::fstream O_RDWR | O_CREAT - C / C++ - Bytes | Developer ...
stl::fstream O_RDWR | O_CREAT. C / C++ Forums on Bytes.
#91. the Fresh Open Source Software Archive - Fossies
Member "buildroot-2021.05.1/package/weston/0001-tests-include-fcntl.h-for-open-O_RDWR-O_CLOEXEC-and-.patch" (10 Aug 2021, 2329 Bytes) of package /linux/privat/ ...
#92. Fcntl::O_RDWR (Ruby 3.0.0 リファレンスマニュアル)
constant Fcntl::O_RDWR. O_RDWR -> Integer [permalink][rdoc][edit]. ファイルを読み書きできるように開きます。 Creative Commons License ...
#93. qapplication with open(/dev/name,O_RDWR) crashed???
my demo program main(argc,argv) { QApplication a(argc,argv); int fp = open("/dev/devname",O_RDWR); //open err } // main(argc,argv) {
#94. Permission denied (13)的处理- 程序员大本营
session_start(): open(SESSION_FILE, O_RDWR)) failed: Permission denied (13)的处理,程序员大本营,技术文章内容聚合第一站。
#95. Recipe 7.1. Opening a File - AIT CSIM Program
O_RDWR. Read and write. O_CREAT. Create the file if it doesn't exist. O_EXCL. Fail if the file already exists. O_APPEND. Append to the file. O_TRUNC.
#96. Solaris Internals: Core Kernel Components
... 13,2 O_WRONLY | O_APPENDIO_LARGEFILE 3 : S_IFIFO mode : 0666 dev : 176,0 ino : 4132162568 uid : 0 gid : 0 size : 0 O_RDWR | O_NONBLOCK FD_CLOEXEC 4.
#97. Neural Network Control of Nonlinear Discrete-Time Systems
return 1; } OUTPUT = open("/dev/ezio",O_RDWR); if(OUTPUT < 0) { perror("Error opening file for OUTPUT."); return 1; } START = open("/dev/ezio",O_RDWR); ...
#98. OpenSolaris Bible - 第 518 頁 - Google 圖書結果
O_RDWR SOCK_STREAM SO_REUSEADDR,SO_SNDBUF(49152),SO_RCVBUF(49152) sockname: AF_INET6 :: port: 6000 2: S_IFREG mode:0644 dev:27,1152 ino:31112 uid:0 gid:0 ...
o_rdwr 在 Code風景區- [FIFO] 根據POSIX,使用O_RDWR開啟一個fifo是 ... 的必吃
[FIFO] 根據POSIX,使用O_RDWR開啟一個fifo是一個undefined behavior 開啟fifo請使用O_RDONLY或O_WRONLY 讀取一個空的fifo或寫入一個滿載的fifo會 ... ... <看更多>