"cj" wrote:

> As many of you know I'm writing a TCP/IP server with multiple threads
> handling multiple short conversations (submit a short string, send back
> a sort string).  Threads are created as needed to handle a new
> connection request and terminate after the exchange is complete.
>
> I got a new request for the program.  I've been asked the the program
> write all the strings it receives and sends to a log file.  I'm
> concerned about all these threads stepping on each other writing to a
> common file.  Any ideas?
>

"cj" <cj@nospam.nospam> escribió en el mensaje news:%23bBdy4aMGHA.2320@TK2MSFTNGP11.phx.gbl...
| As many of you know I'm writing a TCP/IP server with multiple threads
| handling multiple short conversations (submit a short string, send back
| a sort string).  Threads are created as needed to handle a new
| connection request and terminate after the exchange is complete.
|
| I got a new request for the program.  I've been asked the the program
| write all the strings it receives and sends to a log file.  I'm
| concerned about all these threads stepping on each other writing to a
| common file.  Any ideas?

> Hello cj,
>
> You can create a single class that writes the log file. This class must be thread safe through synchronization mechanisms. Then your threads can use that class to write to the log.
>
> Regards.
>
>
> "cj" <cj@nospam.nospam> escribió en el mensaje news:%23bBdy4aMGHA.2320@TK2MSFTNGP11.phx.gbl...
> | As many of you know I'm writing a TCP/IP server with multiple threads
> | handling multiple short conversations (submit a short string, send back
> | a sort string).  Threads are created as needed to handle a new
> | connection request and terminate after the exchange is complete.
> |
> | I got a new request for the program.  I've been asked the the program
> | write all the strings it receives and sends to a log file.  I'm
> | concerned about all these threads stepping on each other writing to a
> | common file.  Any ideas?

> Hi
>
> Also I think as Dennis suggest, we can use the threading synchronize
> mechanism to make sure there will be only one thread access to the log file
> in the meantime.
> You may take a look at the link below.
> SyncLock Statement
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbls7/html/
> vblrfvbspec8_5.asp
>
>
> Best regards,
>
> Peter Huang
> Microsoft Online Partner Support
>
> Get Secure! - www.microsoft.com/security
> This posting is provided "AS IS" with no warranties, and confers no rights.
>