文件名称:write-and-reader-priority
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- 上传时间：2013-06-19
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（1）任意多的读进程可以同时读这个文件；
（2）一次只允许一个写进程往文件中写；
（3）如果一个写进程正在往文件中写，禁止任何读进程或写进程访问文件；
（4）写进程执行写操作前，应让已有的写者或读者全部退出。这说明当有读者在读文件时不允许写者写文件。-(A) any number of reading processes can simultaneously read the file (2) allows only one process to write the file to write (3) If a write process is written to the file, process or prohibit any read access to the file write process (4) writing process to perform a write operation, you should let the writers or readers have all quit. This shows that when a reader when reading the file does not allow writers to write files.
（2）一次只允许一个写进程往文件中写；
（3）如果一个写进程正在往文件中写，禁止任何读进程或写进程访问文件；
（4）写进程执行写操作前，应让已有的写者或读者全部退出。这说明当有读者在读文件时不允许写者写文件。-(A) any number of reading processes can simultaneously read the file (2) allows only one process to write the file to write (3) If a write process is written to the file, process or prohibit any read access to the file write process (4) writing process to perform a write operation, you should let the writers or readers have all quit. This shows that when a reader when reading the file does not allow writers to write files.
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write and reader priority/write and reader priority.doc
write and reader priority
write and reader priority
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