try/catch in scsynth

hi list,

while investigating 
https://github.com/supercollider/supercollider/issues/3563, i found that 
there are try/catch statements in the main audio callbacks for scsynth. 
two examples:

https://github.com/supercollider/supercollider/blob/4146f83117433e4e413ab878951f4a981a98aed6/server/scsynth/SC_Jack.cpp#L447

https://github.com/supercollider/supercollider/blob/4146f83117433e4e413ab878951f4a981a98aed6/server/scsynth/SC_PortAudio.cpp#L181

and there are some throw statements in the SC guts:

https://github.com/supercollider/supercollider/blob/develop/common/SC_AllocPool.cpp#L391

i'm still a novice to real-time safety in programming, but i have heard 
that C++ exceptions are not safe for real-time audio. should we be 
concerned about this?


nathan

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