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Blue Forest http://www.lslnet.com at 10:18 on June 6, 2006
SCO UNIX multiple users to write with a regular paper, how to write procedures?
If that, how can we ensure that no conflict of writing paper, and write the content is not lost? It would be better if a simple example, the next first Thank you! |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
O_APPEND. |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
Upstairs, O_APPEND What does this mean? |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
2 open man. You find O_APPEND.
Atomic operation. And the i-node of the document. Wrote the paper are written each end user. |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
Open documents using open, the contents can only write to write, read only used as read? Fprintf and fscanf can use? |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
Not ah. I/O series using standard Solaris fwrite function. |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
Basic file with open read write. . .
I/O using standard Solaris fread fwrite fprintf. . . . |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
Solaris O_APPEND parameters not only be open, I was open open, or Solaris open? |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
Open |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
Open opened, the document can not be used to write fprintf? |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
"A" pattern of using Solaris to open the document, and to use open O_APPEND What is the difference between open documents? Like tail are additional write in the paper. |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
+ Can be used. ~ |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
Do you mean to say, to write a pattern using Solaris open documents, articles, I would be able to meet the demand? If the answer is yes, write documents fprintf to pay attention to what is not, to re-position paper tail? Fprintf function call when positioning system or automatic document tail end of the latest document? |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
Fprintf is a buffer that can be locked into a process that guarantees more information interfere with each other.
The easy way is to use open/close/read/write, consuming method is fopen/fclose/fread/fwrite/fprintf/fflush/fcntl. |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
Thank you for your explanation, I would like to learn. |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
Like FH put it.
I would suggest that you open close read write. |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
Fcntl flock or bars used in written documents must be whether there are lock-Lane. |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
PMWS. .
Open function carrying atomic operation O_APPEND. A simple multi-oh. |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
O_APPEND atomic operation is moved to open the paper and paper atomic operation is the end of the process, it does not mean it is time to write the atom |
SCO UNIX multiple users to write with a regular paper, how to write procedures?
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APUE have said 3.11. |
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