Figma UI/UX?

[Laurent Daudelin via Cocoa-dev]

Anybody has any experience with the Figma tool?

-Laurent.
-- 
Laurent Daudelin
laur...@nemesys-soft.com 
Logiciels Némésys Software  
https://www.nemesys-soft.com/

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Re: Sending SIGUSR1 to a process

[Alex Zavatone via Cocoa-dev]

A long time ago, I was issuing terminal commands from Xcode.  

I’ve got a simple console app that executes a SIP export to PDF and another 
case where I was executing a sleep of the current process.  

You can even execute an Applescript to perform a terminal command.

This may help.  

https://forums.developer.apple.com/forums/thread/90111

Cheers,
Alex Zavatone

> On Jan 29, 2024, at 1:06 AM, Gabriel Zachmann via Cocoa-dev 
>  wrote:
> 
> IIRC, one process cannot send a Unix signal to another one.
> At least, not any more, and not without special privileges.
> 
> But would it be possible for a user to send a SIGUSR1 (using 'kill -30 ' 
> on the command line) to a process they own?
> 
> I couldn't find information about that.
> In fact, in the developer docs i couldn't find any info about Unix signals, 
> what is possible or not under the new security regime in macOS.
> (I can't remember where i read about the new limitations regarding signals 
> under the new security regime.)
> 
> Any info will be highly appreciated.
> 
> Best regards, Gabriel
> 
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Re: Sending SIGUSR1 to a process

[Gabriel Zachmann via Cocoa-dev]

>
> Yes, this should work. The only changes I know of is that you can’t signal 
> some Apple processes these days if System Integrity Protection is engaged.

I have tried it like the following, but to no avail:


void signal_handler( int sig )
{
logMessage( LogClient, [NSString stringWithFormat: @"signal %d caught", 
sig], NO );
}
// install signal handler

In the init method of my app I have:

void *e = signal( SIGUSR1, signal_handler );
if ( e == SIG_ERR )
{
char * errmesg = strerror( errno );
[self logMessage: [NSString stringWithFormat: @"Installing signal 
handler failed: %s", errmesg] asError: YES];
}



When I run my app (from Xcode), I don't get any error message, but sending a 
SIGUSR1 (using 'kill' on the command line) just makes it stop in mach_msg2_trap.
Stack trace:
  start, main, NSApplicationMain, mach_msg2_trap.
My signal_handler won't get called.






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Re: Sending SIGUSR1 to a process

[Saagar Jha via Cocoa-dev]

Yes, this should work. The only changes I know of is that you can’t signal some 
Apple processes these days if System Integrity Protection is engaged.

Saagar Jha

> On Jan 28, 2024, at 23:06, Gabriel Zachmann via Cocoa-dev 
>  wrote:
> 
> IIRC, one process cannot send a Unix signal to another one.
> At least, not any more, and not without special privileges.
> 
> But would it be possible for a user to send a SIGUSR1 (using 'kill -30 ' 
> on the command line) to a process they own?
> 
> I couldn't find information about that.
> In fact, in the developer docs i couldn't find any info about Unix signals, 
> what is possible or not under the new security regime in macOS.
> (I can't remember where i read about the new limitations regarding signals 
> under the new security regime.)
> 
> Any info will be highly appreciated.
> 
> Best regards, Gabriel
> 
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> 
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