This message is sent out autmatically every month, and also sent to new
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ABOUT THIS LIST:

This list is moderated by Richard Buckle and Sam Deane.

The idea is to create an informal forum for us to discuss macintosh related
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It is not for marketing, advertising, or any other commercial activities. As a
result, postings are restricted to people who join the list.

Job postings are fine as long as they are relevant. If someone doesn't want to
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MONTHLY MEETING:

We also have a monthly meeting at a pub in London, which an opportunity to
socialise and talk shop. The meeting occurs on the second Monday of each month,
and reminders will be mailed out to the list beforehand giving details of the
time & place. Non list-members are welcome to attend of course, but they should
be prepared to be bored silly if they don't want to talk about Mac programming.

To avoid annoying the people on the list who don't attend the meetings, there is
a separate mailing list uk-mac-dev-meeting which we use to organise the
meetings. The mail/subscribe/unsubscribe addresses follow the same pattern as
uk-mac-dev. It is up to you to add yourself to this list if you wish to.

We would like to remind you of this upcoming event.

Monthly Meeting

Date: Monday, July 12, 2004
Time: 8:30PM - 11:30PM GMT

Our monthly get together, now takes place on the second monday
of every month.

Venue:

The Lord Moon pub, Whitehall. Next to the Whitehall Theatre.

Here's a map:
http://www.streetmap.co.uk/streetmap.dll?P2M?P=SW1A2DY&Z=1

Time:
7.30pm local time (ignore all that UTC rubbish that yahoogroups
sometimes spits out)

Format:
Drink beer, talk about Mac programming, possibly go for some
food...

Late Cancellations:
It is always worth checking for messages on the
uk-mac-dev-meeting on the afternoon before the meeting, just to
make sure that it is taking place. Alternatively, give Sam a
ring on 07970 197669.

We would like to remind you of this upcoming event.

Monthly Meeting

Date: Monday, July 12, 2004
Time: 8:30PM - 11:30PM GMT

Our monthly get together, now takes place on the second monday
of every month.

Venue:

The Lord Moon pub, Whitehall. Next to the Whitehall Theatre.

Here's a map:
http://www.streetmap.co.uk/streetmap.dll?P2M?P=SW1A2DY&Z=1

Time:
7.30pm local time (ignore all that UTC rubbish that yahoogroups
sometimes spits out)

Format:
Drink beer, talk about Mac programming, possibly go for some
food...

Late Cancellations:
It is always worth checking for messages on the
uk-mac-dev-meeting on the afternoon before the meeting, just to
make sure that it is taking place. Alternatively, give Sam a
ring on 07970 197669.

This message is sent out autmatically every month, and also sent to new
subscribers.

ABOUT THIS LIST:

This list is moderated by Richard Buckle and Sam Deane.

The idea is to create an informal forum for us to discuss macintosh related
programming issues, and perhaps to pass on work to each other.

It is not for marketing, advertising, or any other commercial activities. As a
result, postings are restricted to people who join the list.

Job postings are fine as long as they are relevant. If someone doesn't want to
go to the hassle of joining the list just to post a job message, they are
welcome to send it to us (uk-mac-dev-owner@yahoogroups.com) and we will post it
for them.

FIRST POSTS:

The first post that any member makes to the list is moderated. This is to stop
spammers from joining the list just to post spam. The down side of this is that
your first message may take a while to turn up, because we have to notice that
it is awaiting approval!

LIST ADDRESSES:

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MONTHLY MEETING:

We also have a monthly meeting at a pub in London, which an opportunity to
socialise and talk shop. The meeting occurs on the second Monday of each month,
and reminders will be mailed out to the list beforehand giving details of the
time & place. Non list-members are welcome to attend of course, but they should
be prepared to be bored silly if they don't want to talk about Mac programming.

To avoid annoying the people on the list who don't attend the meetings, there is
a separate mailing list uk-mac-dev-meeting which we use to organise the
meetings. The mail/subscribe/unsubscribe addresses follow the same pattern as
uk-mac-dev. It is up to you to add yourself to this list if you wish to.

We would like to remind you of this upcoming event.

Monthly Meeting

Date: Monday, August 9, 2004
Time: 8:30PM - 11:30PM GMT

Our monthly get together, now takes place on the second monday
of every month.

Venue:

The Lord Moon pub, Whitehall. Next to the Whitehall Theatre.

Here's a map:
http://www.streetmap.co.uk/streetmap.dll?P2M?P=SW1A2DY&Z=1

Time:
7.30pm local time (ignore all that UTC rubbish that yahoogroups
sometimes spits out)

Format:
Drink beer, talk about Mac programming, possibly go for some
food...

Late Cancellations:
It is always worth checking for messages on the
uk-mac-dev-meeting on the afternoon before the meeting, just to
make sure that it is taking place. Alternatively, give Sam a
ring on 07970 197669.

We would like to remind you of this upcoming event.

Monthly Meeting

Date: Monday, August 9, 2004
Time: 8:30PM - 11:30PM GMT

Our monthly get together, now takes place on the second monday
of every month.

Venue:

The Lord Moon pub, Whitehall. Next to the Whitehall Theatre.

Here's a map:
http://www.streetmap.co.uk/streetmap.dll?P2M?P=SW1A2DY&Z=1

Time:
7.30pm local time (ignore all that UTC rubbish that yahoogroups
sometimes spits out)

Format:
Drink beer, talk about Mac programming, possibly go for some
food...

Late Cancellations:
It is always worth checking for messages on the
uk-mac-dev-meeting on the afternoon before the meeting, just to
make sure that it is taking place. Alternatively, give Sam a
ring on 07970 197669.

This message is sent out autmatically every month, and also sent to new
subscribers.

ABOUT THIS LIST:

This list is moderated by Richard Buckle and Sam Deane.

The idea is to create an informal forum for us to discuss macintosh related
programming issues, and perhaps to pass on work to each other.

It is not for marketing, advertising, or any other commercial activities. As a
result, postings are restricted to people who join the list.

Job postings are fine as long as they are relevant. If someone doesn't want to
go to the hassle of joining the list just to post a job message, they are
welcome to send it to us (uk-mac-dev-owner@yahoogroups.com) and we will post it
for them.

FIRST POSTS:

The first post that any member makes to the list is moderated. This is to stop
spammers from joining the list just to post spam. The down side of this is that
your first message may take a while to turn up, because we have to notice that
it is awaiting approval!

LIST ADDRESSES:

to send messages: uk-mac-dev@yahoogroups.com
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MONTHLY MEETING:

We also have a monthly meeting at a pub in London, which an opportunity to
socialise and talk shop. The meeting occurs on the second Monday of each month,
and reminders will be mailed out to the list beforehand giving details of the
time & place. Non list-members are welcome to attend of course, but they should
be prepared to be bored silly if they don't want to talk about Mac programming.

To avoid annoying the people on the list who don't attend the meetings, there is
a separate mailing list uk-mac-dev-meeting which we use to organise the
meetings. The mail/subscribe/unsubscribe addresses follow the same pattern as
uk-mac-dev. It is up to you to add yourself to this list if you wish to.

Hi all,

I've been asked to evaluate the Valentina database engine
<http://www.paradigmasoft.com/> and was wondering if anyone here had
any experiences to share.

For background, we'd be using Valentina's C/C++ SDK in CodeWarrior,
XCode and MS Dev Studio 7, targeting Mac OS X (Carbon/Mach-O) and
Win98/ME/2K/XP (using MFC and ATL).

Any real-life experiences would be welcomed.

One area of concern is the apparent lack of built-in support for
indexing, sorting and querying UTF-8 and UTF-16 fields properly[1].
Although in fairness I'm not aware of any 3rd-party DB engine that
supports that properly yet.

Richard.


[1] As I'm sure you all know, one cannot use the ANSI APIs such as
toupper() on UTF-8 and UTF-16, nor can one, for example, assume that
every occurrence of 0x20 in the bytestream represents a space
character.

We would like to remind you of this upcoming event.

Monthly Meeting

Date: Monday, September 13, 2004
Time: 8:30PM - 11:30PM GMT

Our monthly get together, now takes place on the second monday
of every month.

Venue:

The Lord Moon pub, Whitehall. Next to the Whitehall Theatre.

Here's a map:
http://www.streetmap.co.uk/streetmap.dll?P2M?P=SW1A2DY&Z=1

Time:
7.30pm local time (ignore all that UTC rubbish that yahoogroups
sometimes spits out)

Format:
Drink beer, talk about Mac programming, possibly go for some
food...

Late Cancellations:
It is always worth checking for messages on the
uk-mac-dev-meeting on the afternoon before the meeting, just to
make sure that it is taking place. Alternatively, give Sam a
ring on 07970 197669.

Hello,

a user of my app uses the system ui events.
But the click at command doesn´t work.
I debugged it. It doesn´t create a mouseDown event. It seems to create a hi=
gh level event.

Does anyone has more details?

Thorsten

We would like to remind you of this upcoming event.

Monthly Meeting

Date: Monday, September 13, 2004
Time: 8:30PM - 11:30PM GMT

Our monthly get together, now takes place on the second monday
of every month.

Venue:

The Lord Moon pub, Whitehall. Next to the Whitehall Theatre.

Here's a map:
http://www.streetmap.co.uk/streetmap.dll?P2M?P=SW1A2DY&Z=1

Time:
7.30pm local time (ignore all that UTC rubbish that yahoogroups
sometimes spits out)

Format:
Drink beer, talk about Mac programming, possibly go for some
food...

Late Cancellations:
It is always worth checking for messages on the
uk-mac-dev-meeting on the afternoon before the meeting, just to
make sure that it is taking place. Alternatively, give Sam a
ring on 07970 197669.

Does anyone know whether there is a clean(ish) way to open a CFM
application from the command line, and whether there is a way of
getting hold of any command line arguments passed to it?

For that matter, I'm not exactly sure if there is a standard for how to
launch a mach-o graphical application from the command line.

The 'open' command seems to work on an application bundle, but doesn't
pass arguments to the application. For a mach-o application there is
presumably the option for the user to navigate through the bundle to
find the executable file, but that seems like a pretty naff option too!

I suspect that there's no good answer to this, but I'd like to know if
anyone has any clever solutions.

The best I can come up with right now is a small, mach-o command line
based helper application which reads its arguments, uses launchservices
to launch the main application, and passes the arguments to it in an
apple event.

[ in case anyone is wondering, our game on the pc supports the command
line to allow the user to set 'hidden' configuration options, things to
turn on logging or error checking for support situations, or to allow
the user to launch on a small-screened machine so that us developers
can work on our laptops; I'd like to support these options on the mac
but I don't have time to write a UI for them all! ]

[ I may have asked this before on this list, but if so I don't think I
got a definitive answer so I'll try again :) ]

I've got an application - it's a game - which presents its own 'get
file' / 'get folder' dialogs. Whether or not this is a good thing I'll
leave as a debate for another day, but the fact of the matter is that
it does it, so I have to live with the consequences.

What I want it to do is to show exactly the same files that the MacOS X
file dialogs would show.

In the old days that would simply be a question of checking if the
invisible bit was set on the file, but now the rules seem more
complicated! Invisible files are invisible, but so are files with names
starting with a '.', and the finder doesn't show you various system
directories like '/usr' which I presume aren't actually invisible.

Does anyone know if there is an API that I can use to determine whether
a file is for user consumption? An API that the system uses so that
what I do will be the same as what it does? If not (and I really don't
want to get into this... but) does anyone know if the '/.hidden' file
is the only place that the system looks for invisible items, or does it
also look for ~/.hidden, or perhaps other places too?

On Sep 14, 2004, at 4:34 AM, Sam Deane wrote:

>
> I suspect that there's no good answer to this, but I'd like to know if
> anyone has any clever solutions.
>
>

Perhaps you could pass the command line arguments via environment
variables instead ? The command line syntax (in bash at least) would
not be very different and you can just use getenv from within your app
to get these options.

Paul

At 12:14 pm +0100 14/9/04, Sam Deane wrote:
>[ I may have asked this before on this list, but if so I don't think I
>got a definitive answer so I'll try again :) ]
>
>I've got an application - it's a game - which presents its own 'get
>file' / 'get folder' dialogs. Whether or not this is a good thing I'll
>leave as a debate for another day, but the fact of the matter is that
>it does it, so I have to live with the consequences.
>
>What I want it to do is to show exactly the same files that the MacOS X
>file dialogs would show.
>
>In the old days that would simply be a question of checking if the
>invisible bit was set on the file, but now the rules seem more
>complicated! Invisible files are invisible, but so are files with names
>starting with a '.', and the finder doesn't show you various system
>directories like '/usr' which I presume aren't actually invisible.
>
>Does anyone know if there is an API that I can use to determine whether
>a file is for user consumption? An API that the system uses so that
>what I do will be the same as what it does? If not (and I really don't
>want to get into this... but) does anyone know if the '/.hidden' file
>is the only place that the system looks for invisible items, or does it
>also look for ~/.hidden, or perhaps other places too?


  From a quick search of my Carbon development archives it doesn't look
like there's an API :-(  Looks like you need to look in .hidden files
:-((


Mike


At 3:44 pm -0800 5/3/04, carbon-development-request@... wrote:
>From: David Duncan <rincewind@...>
>Subject: Re: Mac OS X and the invisible attribute
>Date: Fri, 5 Mar 2004 12:41:29 -0500
>To: Eric Arlotti <earlotti@...>
>
>On Mar 5, 2004, at 12:03 PM, Eric Arlotti wrote:
>
>>  But it seems I can't rely on FSGetCatalogInfo because ;
>>  - for folders or files whose name starts with a dot, the invisible
>>  flag is not set although they are not visible on the Finder.
>
>FSGetCatalogInfo() will return the name for you, so you can always just
>check if the first character is a '.'.
>
>>  - core system files like "mach.sym" or "mac_kernel" don't have the
>>  invisible flag set although they are not visible on the Finder.
>
>If a folder has a .hidden file in it the files listed within should not
>be displayed by the Finder, however iirc this is only respected for the
>root of the volume (this may have changed at some point).

and:

At 3:44 pm -0800 5/3/04, carbon-development-request@... wrote:
>Date: Fri, 05 Mar 2004 17:43:33 -0600
>Subject: Re: Mac OS X and the invisible attribute
>From: "John C. Daub" <hsoi@...>
>To: Laurence Harris <larry@...>, Eric Arlotti
>   <earlotti@...>, Carbon Development
>   <carbon-development@...>
>
>on 3/5/04 11:27 AM, Laurence Harris at larry@... wrote:
>
>>  On 3/5/04 12:03 PM, Eric Arlotti didst favor us with:
>>
>>>  In my Carbon application running on Mac OS X, I try to determine if a
>>>  file or folder is invisible. When I mean "invisible", I mean : not
>>>  visible on the Finder or in the Navigation dialogs.
>>
>>  That's the only kind of invisible of which I'm aware.
>>>
>>>  I use FSGetCatalogInfo with the kFSCatInfoFinderInfo flag. My code
>>>  looks like this :
>>>
>>>  FSCatalogInfo        catInfo;
>>>  Boolean            invisible;
>>>  UInt16                 finderFlags;
>>>
>>>  err = FSGetCatalogInfo(&fsRef, kFSCatInfoFinderInfo, &catalogInfo,
>>>  NULL, NULL, NULL);
>>>  if (err == noErr) {
>>>  finderFlags = ((FileInfo *)&catInfo.finderInfo)->finderFlags;
>>>  invisible = ((finderFlags & kIsInvisible) != 0) ? true : false;
>>>  }
>>>
>>>  But it seems I can't rely on FSGetCatalogInfo because ;
>>>  - for folders or files whose name starts with a dot, the invisible flag
>>>  is not set although they are not visible on the Finder.
>>>  - core system files like "mach.sym" or "mac_kernel" don't have the
>>>  invisible flag set although they are not visible on the Finder.
>>>  - I have set the invisible attribute using FileBuddy on some files :
>  >> the invisible flag is set but the files are still visible on the Finder
>>>  !
>>>
>>>  So, is there a more reliable way to know if a file or folder is
>>>  invisible ?
>>>
>>  The File Manager is unaware of "Unix invisibility." The files you describe
>>  are invisible because they are invisible in Unix. To check for that you
>>  need:
>>
>>  Boolean LSIsInvisible ( const FSRef &inRef )
>>  {
>>    LSItemInfoRecord    info;
>>    OSStatus            err = LSCopyItemInfoForRef( &inRef,
>>  kLSRequestBasicFlagsOnly, &info );
>>
>>    return ( err == noErr ? ( kLSItemInfoIsInvisible & info.flags ) != 0 :
>>  false );
>>  }
>
>Larry is correct, but there's more.
>
>There are a few ways for things to be considered invisible (under Mac OS X):
>
>- kIsInvisible Finder flag is set
>- filename begins with period
>- listing in the /.hidden file
>- invisible due to parentage
>- invisible due to package
>
>What of these matter to you all depends upon your context and situation.
>
>The kIsInvisible flag and the filename starting with a period is your most
>typical way for something to be considered invisible (as you defined
>"invisible" above). When you check the kLSItemInfoIsInvisible flag, all that
>checks for is invisibility due to kIsInvisible and .filename.
>
>There's a hack Apple made called the "/.hidden" file. This is a file named
>".hidden" at the root level of your drive. It's just a text file that lists
>the various files and folders there at the root level that the OS is to
>consider invisible. That's where things like the mach.sym file get their
>invisibility from. So if the item is listed in there, treat it as invisible
>(and this will spill over into the parentage issue, addressed below). Note
>that the /.hidden file is a hack, it can change at any time, Apple could
>remove it (I'm to understand they do want to remove it, just a question of
>when that will happen), Apple could change the file format.. you never know,
>so just be careful with this approach.
>
>An item can also be invisible due to a parent folder being invisible. Let's
>say you have:
>
>     folder1
>         folder2
>             item1
>
>folder2 is invisible by kIsInvisible. Thus, item1 is invisible. item1 itself
>may be a visible file (i.e. kIsInvisible is not set, obviously filename
>doesn't start with a period), but because folder2 is invisible so are its
>contents.
>
>Items within packages... well, this is debatable but given your definition
>that invisible means you can't see it in the Finder or Nav Services dialogs,
>then it could hold for package contents since you can't see those items in
>the Finder or Nav Services dialogs. But of course, you can show package
>contents in the Finder and set Nav Services flags to allow navigation into
>packages. So this is one of those situations where you have to make the call
>based upon whatever it is you're trying to accomplish.
>
>And you thought something as simple as "is this invisible" would be easy to
>determine, right? ;-)

Hello,

I have a bit trouble in creating a movie with fade effects between the images.
The movie creation works without effects perfectly.
Does anyone have a hint?

Thorsten

Hi,
   I was wondering if anybody know whether its a good idea to use any machine
OSX install disc, as the installer seems to install everything and not very
machine specific (well that's the impression I get).

   As I'm seeing a strange bug, which I'm not sure if caused by this or
whether its a bug, as doesn't happen on other machines with 10.1.5
installed.

Thanks
Mark.

On 16 Sep 2004, at 10:27, Mark Thomas wrote:

>   I was wondering if anybody know whether its a good idea to use any
> machine
> OSX install disc, as the installer seems to install everything and not
> very
> machine specific (well that's the impression I get).
>
>   As I'm seeing a strange bug, which I'm not sure if caused by this or
> whether its a bug, as doesn't happen on other machines with 10.1.5
> installed.

I seem to have got away fine with using the discs I got with a G5 at
work on a number of other (non G5) machines. Of course that was
10.3.something - but I get the impression that in the OS X world there
is just one installer, not the weird one-per-machine that Apple used to
do with OS 9.

Dear All,

I have a legacy carbon app that supports scripting and has it's own
aete resource. This aete resourse used to be edited with ResEdit and a
ResEdit plugIn (whose name I forget) that provided an English ResEdit
editor (not hex dumps).

Years later and now on OS-X, I need to make a change to the aete
resource and I do not have the original  ResEdit aete resource editor.
Are there any tools for doing this available now? If so where can I get
hold of them.

Michael Ellis

On 13 Sep 2004, at 18:32, uk-mac-dev@yahoogroups.com  wrote:

>
>
> We would like to remind you of this upcoming event.
>
> Monthly Meeting
>
> Date: Monday, September 13, 2004
> Time: 8:30PM - 11:30PM GMT
>
> Our monthly get together, now takes place on the second monday
> of every month.
>
> Venue:
>
> The Lord Moon pub, Whitehall. Next to the Whitehall Theatre.
>
> Here's a map:
> http://www.streetmap.co.uk/streetmap.dll?P2M?P=SW1A2DY&Z=1
>
> Time:
> 7.30pm local time (ignore all that UTC rubbish that yahoogroups
> sometimes spits out)
>
> Format:
> Drink beer, talk about Mac programming, possibly go for some
> food...
>
> Late Cancellations:
> It is always worth checking for messages on the
> uk-mac-dev-meeting on the afternoon before the meeting, just to
> make sure that it is taking place. Alternatively, give Sam a
> ring on 07970 197669.
>
>
>
>
>
>
> To unsubscribe from this group, send an email to
> uk-mac-dev-unsubscribe@....
>
> Any other problems, mail list-admin@...
>
> Yahoo! Groups Links
>
>
>
>
>
>

The obvious but unfortunate answer is Resorcerer version 2.4.1, which runs
on OS X (as well as 8 and 9); unfortunate because of it's price: $256 plus
shipping!

It will do a lot more than just edit aete resources, but unless you're going
to use that functionality, at that price, I'd consider trying to hunt down
that ResEdit plug-in on the web and running ResEdit in Classic.

Saskia Koehler


On 21/9/04 14:03, "Michael Ellis" <michael_ellis@...> wrote:

> Dear All,
>
> I have a legacy carbon app that supports scripting and has it's own
> aete resource. This aete resourse used to be edited with ResEdit and a
> ResEdit plugIn (whose name I forget) that provided an English ResEdit
> editor (not hex dumps).
>
> Years later and now on OS-X, I need to make a change to the aete
> resource and I do not have the original  ResEdit aete resource editor.
> Are there any tools for doing this available now? If so where can I get
> hold of them.
>
> Michael Ellis
>
>
>
>
>
> To unsubscribe from this group, send an email to
> uk-mac-dev-unsubscribe@....
>
> Any other problems, mail list-admin@...
> Yahoo! Groups Links
>
>
>
>
>

At 2:03 pm +0100 21/9/04, Michael Ellis wrote:
>Are there any tools for doing this available now? If so where can I get
>hold of them.

EightyRez <http://www.panix.com/~gmcgath/EightyRez.html> claims to do the job.


Mike

On 21 Sep 2004, at 14:03, Michael Ellis wrote:

> Dear All,
>
> I have a legacy carbon app that supports scripting and has it's own
> aete resource. This aete resourse used to be edited with ResEdit and a
> ResEdit plugIn (whose name I forget) that provided an English ResEdit
> editor (not hex dumps).
>
> Years later and now on OS-X, I need to make a change to the aete
> resource and I do not have the original  ResEdit aete resource editor.
> Are there any tools for doing this available now? If so where can I get
> hold of them.

Firstly, you can download the original ResEdit including all the aete,
CODE and other editors from here:
http://web.nickshanks.com/mac/resources/apple/resedit.zip

Secondly, in an act of shameless self-promotion, I would like point out
that my OS X resource editor ResKnife (http://resknife.sf.net/) has a
simple plug-in interface for either Carbon or Cocoa plugs. If anyone
fancies writing an aete editor for it, or any other, I would sure
appreciate it :-)

- Nick.

On Sep 21, 2004, at 6:03 AM, Michael Ellis wrote:

> Dear All,
>
> I have a legacy carbon app that supports scripting and has it's own
> aete resource. This aete resourse used to be edited with ResEdit and a
> ResEdit plugIn (whose name I forget) that provided an English ResEdit
> editor (not hex dumps).
>
> Years later and now on OS-X, I need to make a change to the aete
> resource and I do not have the original  ResEdit aete resource editor.
> Are there any tools for doing this available now? If so where can I get
> hold of them.
>

MPW still runs fine under Classic and can be downloaded for free - you
can use Derez to decompile the resources, edit them, and then recompile
them.

Paul

There's also a DeRez within Developers tools also, so that might be option
as well.

Mark.

> On Sep 21, 2004, at 6:03 AM, Michael Ellis wrote:
>
>> Dear All,
>>
>> I have a legacy carbon app that supports scripting and has it's own
>> aete resource. This aete resourse used to be edited with ResEdit and a
>> ResEdit plugIn (whose name I forget) that provided an English ResEdit
>> editor (not hex dumps).
>>
>> Years later and now on OS-X, I need to make a change to the aete
>> resource and I do not have the original  ResEdit aete resource editor.
>> Are there any tools for doing this available now? If so where can I get
>> hold of them.
>>
>
> MPW still runs fine under Classic and can be downloaded for free - you
> can use Derez to decompile the resources, edit them, and then recompile
> them.
>
> Paul
>
>
>
>
> To unsubscribe from this group, send an email to
> uk-mac-dev-unsubscribe@....
>
> Any other problems, mail list-admin@...
> Yahoo! Groups Links
>
>
>
>
>
>
>

Has anyone done any playing with MP tasks?

I am trying to use them to implement the mac side of our threading code
but it looks like there is no API to suspend/resume a thread, which the
PC side is making use of. I am using a CFM/Carbon, and am a bit short
of time, so pthreads aren't looking like an option right now.

If I have to, I can change our code to remove the need for
suspend/resume, but before doing that I just wondered if there is
another way.

There is a tantalising reference in the documentation to suspending a
task using an exception:

"By convention, you should set the exception kind to kMPTaskStoppedErr
if you want to suspend a task. In general, you should do so only if you
are debugging and wish to examine the state of the task. Otherwise you
should block the task using one of the traditional notification
mechanisms (such as a message queue)."

But it's not clear if this means you really really shouldn't, or just
it's not the best way of doing things (I know it's not the best way,
but I am trying to replicate a windows API so my choices are limited).

Anyone got any bright ideas?

I would post a message on smp thread at apple, although that exception kind
to kMPTaskStoppedErr  sounds good. Does this work ??? :-).

Mark.

>
> Has anyone done any playing with MP tasks?
>
> I am trying to use them to implement the mac side of our threading code
> but it looks like there is no API to suspend/resume a thread, which the
> PC side is making use of. I am using a CFM/Carbon, and am a bit short
> of time, so pthreads aren't looking like an option right now.
>
> If I have to, I can change our code to remove the need for
> suspend/resume, but before doing that I just wondered if there is
> another way.
>
> There is a tantalising reference in the documentation to suspending a
> task using an exception:
>
> "By convention, you should set the exception kind to kMPTaskStoppedErr
> if you want to suspend a task. In general, you should do so only if you
> are debugging and wish to examine the state of the task. Otherwise you
> should block the task using one of the traditional notification
> mechanisms (such as a message queue)."
>
> But it's not clear if this means you really really shouldn't, or just
> it's not the best way of doing things (I know it's not the best way,
> but I am trying to replicate a windows API so my choices are limited).
>
> Anyone got any bright ideas?
>
>
>
>
> To unsubscribe from this group, send an email to
> uk-mac-dev-unsubscribe@....
>
> Any other problems, mail list-admin@...
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
>

In case anyone is interested in attending:

> From: Dean Butcher <mathematix@...>
>
> Dear Chapter Member
> The IGDA London Chapter Committee would like to invite you to an
> evening of discussion on the topic of 'Violence and Social
> Responsibility' on Wednesday 6th October starting 7pm.  Please see
> details attached.
>
> Date:   Wednesday, 6th October 2004
>
> Time:    7.00pm
>
> Venue: O'Neill's
>            73-77 Euston Road
>            London
>            NW1 2QS
>
> (Directly opposite the British Library. Tubes: King's Cross and Euston)
>
> All welcome!
>
> IGDA London Chapter Committee.

- Nick.

On 27 Sep 2004, at 14:13, Mark Thomas wrote:

> I would post a message on smp thread at apple, although that exception
> kind
> to kMPTaskStoppedErr  sounds good. Does this work ??? :-).

Not sure... and it's not clear how one would resume a task stopped in
this way - further investigation required :)

Posting to the SMP list sounds like a good plan - I've tried to search
it for similar questions as I can't believe hasn't come up before, but
Apple have just changed their list servers and I'm not entirely sure
that they are completely indexed by google yet - or perhaps I just
haven't hit on the right keywords.

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