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Message |
Guest
|
 Posted: Tue Apr 24, 2007 2:17 pm Post subject: atozedsoftware.indy.servers.tcp |
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Hello,
Is it good manner to synchronize TidTCPServer OnConnect, onDisconnect and
OnExecute events using critical section as following:
procedure Tinterf_TCP.AserverSocketConnect(AContext: TIdContext);
begin
..........
try
EntercriticalSection(cs);
Do some job in main thread
finally
LeaveCriticalSection(cs);
end;
end;
procedure Tinterf_TCP.AserverSocketDisconnect(AContext: TIdContext);
begin
..........
try
EntercriticalSection(cs);
Do some job in main thread
finally
LeaveCriticalSection(cs);
end;
end;
procedure Tinterf_TCP.AserverSocketExecute(AContext: TIdContext);
begin
..........
try
EntercriticalSection(cs);
Do some job in main thread
finally
LeaveCriticalSection(cs);
end;
end; |
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Remy Lebeau (TeamB)
Guest
|
| Posted: Tue Apr 24, 2007 2:42 pm Post subject: Re: atozedsoftware.indy.servers.tcp |
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<column (AT) takas (DOT) lt> wrote in message
news:462dcb2f$1 (AT) newsgroups (DOT) borland.com...
| Quote: | Is it good manner to synchronize TidTCPServer OnConnect,
onDisconnect and OnExecute events using critical section as
following: |
No, because using a critical section like that is not enough to ensure
thread safety with the main thread, especially if UI components are
involved.
Use the TIdSync class instead.
Gambit |
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Guest
|
| Posted: Tue Apr 24, 2007 4:24 pm Post subject: Re: atozedsoftware.indy.servers.tcp |
|
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| Quote: | No, because using a critical section like that is not enough to ensure
thread safety with the main thread, especially if UI components are
involved.
|
What is UI component?
| Quote: | Use the TIdSync class instead.
|
I have no experience with this class. How to use it in my case? For example
I would like to log events:
procedure Tinterf_TCP.Logit(info:string);
begin
..........
end;
procedure Tinterf_TCP.AserverSocketConnect(AContext: TIdContext);
begin
..........
Logit('connect')
end; |
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Remy Lebeau (TeamB)
Guest
|
| Posted: Tue Apr 24, 2007 9:11 pm Post subject: Re: atozedsoftware.indy.servers.tcp |
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<column.column (AT) gmail (DOT) com> wrote in message
news:462de8f0 (AT) newsgroups (DOT) borland.com...
| Quote: | What is UI component?
|
UI = user interface. I was referring to any visual component.
| Quote: | I have no experience with this class.
|
Have you looked at the Indy documentation yet? Also, go to
http://www.deja.com and search through the newsgroup archives, as
examples have been posted many times before.
| Quote: | How to use it in my case? For example I would like to log events:
|
I have posted logging examples many times before.
Gambit |
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