Re: Xcode interferes with signal handler (was: Sending SIGUSR1 to a process)

2024-01-31 Thread Gabriel Zachmann via Cocoa-dev
I think , I found the solution, so just for the record (so that others will find it using Google): Launch the app in the debugger on the command line : lldb /private/tmp/Build/Products/Debug/MyApp.app In lldb's command line: process handle -p true -s false -n true // otherwise lldb

Re: Xcode interferes with signal handler (was: Sending SIGUSR1 to a process)

2024-01-31 Thread Alex Zavatone via Cocoa-dev
That’s a great tip Jens. Gabriel, if you build your app with different dev/release schemes, you could detect your build scheme and then execute the desired process based on if you’re able to debug or not. Just expose the environment variable for $CONFIGURATION in an info.plist file, read it

Re: Xcode interferes with signal handler (was: Sending SIGUSR1 to a process)

2024-01-30 Thread Jens Miltner via Cocoa-dev
Xcode intercepts signals in the process being debugged (for good reason). You can ignore specific signals in Xcode (i.e. pass them through to the process being debugged) by breaking into the debugger, then enter in the Xcode console part (example for SIGUSR1): process handle SIGUSR1 -s

Xcode interferes with signal handler (was: Sending SIGUSR1 to a process)

2024-01-30 Thread Gabriel Zachmann via Cocoa-dev
I am setting up a signal handler in my app like this: void *e = signal( SIGUSR1, signal_handler ); if ( e == SIG_ERR ) ... It works (i can 'kill -30 '), BUT ONLY, if I run my app outside of Xcode. When I launch it from Xcode, and I send a SIGUSR1 to my app, it always breaks at