unix/mpthreadport: Use SA_SIGINFO for GC signal handler.
unix/mpthreadport: Use SA_SIGINFO for GC signal handler.

SA_SIGINFO allows the signal handler to access more information about
the signal, especially useful in a threaded environment.  The extra
information is not currently used but it may prove useful in the future.

hosaka/micropython,ganshun666/micropython,PappaPeppar/micropython,bvernoux/micropython,torwag/micropython,selste/micropython,blazewicz/micropython,oopy/micropython,micropython/micropython-esp32,turbinenreiter/micropython,tobbad/micropython,MrSurly/micropython,lowRISC/micropython,pfalcon/micropython,blazewicz/micropython,adafruit/circuitpython,ryannathans/micropython,tralamazza/micropython,chrisdearman/micropython,emfcamp/micropython,MrSurly/micropython-esp32,infinnovation/micropython,kerneltask/micropython,trezor/micropython,puuu/micropython,pramasoul/micropython,AriZuu/micropython,ganshun666/micropython,dxxb/micropython,kerneltask/micropython,mhoffma/micropython,selste/micropython,alex-march/micropython,Timmenem/micropython,swegener/micropython,deshipu/micropython,cwyark/micropython,hiway/micropython,emfcamp/micropython,deshipu/micropython,dxxb/micropython,hosaka/micropython,TDAbboud/micropython,turbinenreiter/micropython,dmazzella/micropython,jmarcelino/pycom-micropython,hiway/micropython,blazewicz/micropython,dxxb/micropython,pozetroninc/micropython,pfalcon/micropython,MrSurly/micropython,tobbad/micropython,chrisdearman/micropython,pfalcon/micropython,dxxb/micropython,swegener/micropython,cwyark/micropython,lowRISC/micropython,torwag/micropython,hosaka/micropython,lowRISC/micropython,trezor/micropython,hosaka/micropython,PappaPeppar/micropython,henriknelson/micropython,hosaka/micropython,torwag/micropython,pfalcon/micropython,deshipu/micropython,turbinenreiter/micropython,MrSurly/micropython,alex-robbins/micropython,ganshun666/micropython,adafruit/micropython,emfcamp/micropython,alex-march/micropython,micropython/micropython-esp32,AriZuu/micropython,swegener/micropython,Timmenem/micropython,tralamazza/micropython,infinnovation/micropython,jmarcelino/pycom-micropython,trezor/micropython,alex-robbins/micropython,matthewelse/micropython,alex-march/micropython,puuu/micropython,pozetroninc/micropython,PappaPeppar/micropython,alex-march/micropython,ryannathans/micropython,chrisdearman/micropython,tuc-osg/micropython,HenrikSolver/micropython,matthewelse/micropython,MrSurly/micropython-esp32,adafruit/circuitpython,bvernoux/micropython,PappaPeppar/micropython,bvernoux/micropython,matthewelse/micropython,MrSurly/micropython-esp32,infinnovation/micropython,dmazzella/micropython,ganshun666/micropython,redbear/micropython,torwag/micropython,lowRISC/micropython,ganshun666/micropython,jmarcelino/pycom-micropython,dmazzella/micropython,matthewelse/micropython,Peetz0r/micropython-esp32,TDAbboud/micropython,Peetz0r/micropython-esp32,kerneltask/micropython,chrisdearman/micropython,pramasoul/micropython,jmarcelino/pycom-micropython,PappaPeppar/micropython,adafruit/circuitpython,tuc-osg/micropython,HenrikSolver/micropython,SHA2017-badge/micropython-esp32,pramasoul/micropython,adafruit/micropython,toolmacher/micropython,tralamazza/micropython,TDAbboud/micropython,deshipu/micropython,bvernoux/micropython,trezor/micropython,SHA2017-badge/micropython-esp32,henriknelson/micropython,redbear/micropython,HenrikSolver/micropython,pozetroninc/micropython,Timmenem/micropython,dxxb/micropython,redbear/micropython,adafruit/circuitpython,tobbad/micropython,micropython/micropython-esp32,emfcamp/micropython,pramasoul/micropython,Peetz0r/micropython-esp32,Timmenem/micropython,mhoffma/micropython,hiway/micropython,swegener/micropython,turbinenreiter/micropython,hiway/micropython,puuu/micropython,deshipu/micropython,henriknelson/micropython,puuu/micropython,ryannathans/micropython,adafruit/micropython,MrSurly/micropython-esp32,HenrikSolver/micropython,selste/micropython,cwyark/micropython,bvernoux/micropython,alex-robbins/micropython,Peetz0r/micropython-esp32,matthewelse/micropython,turbinenreiter/micropython,alex-robbins/micropython,tuc-osg/micropython,blazewicz/micropython,pozetroninc/micropython,alex-robbins/micropython,blazewicz/micropython,adafruit/circuitpython,SHA2017-badge/micropython-esp32,redbear/micropython,redbear/micropython,infinnovation/micropython,Timmenem/micropython,pfalcon/micropython,TDAbboud/micropython,adafruit/micropython,SHA2017-badge/micropython-esp32,dmazzella/micropython,kerneltask/micropython,toolmacher/micropython,TDAbboud/micropython,cwyark/micropython,matthewelse/micropython,mhoffma/micropython,MrSurly/micropython,MrSurly/micropython-esp32,trezor/micropython,ryannathans/micropython,toolmacher/micropython,oopy/micropython,MrSurly/micropython,selste/micropython,oopy/micropython,chrisdearman/micropython,selste/micropython,kerneltask/micropython,adafruit/micropython,tobbad/micropython,tuc-osg/micropython,toolmacher/micropython,puuu/micropython,infinnovation/micropython,pozetroninc/micropython,micropython/micropython-esp32,tralamazza/micropython,AriZuu/micropython,alex-march/micropython,ryannathans/micropython,lowRISC/micropython,oopy/micropython,torwag/micropython,micropython/micropython-esp32,oopy/micropython,mhoffma/micropython,hiway/micropython,cwyark/micropython,toolmacher/micropython,AriZuu/micropython,emfcamp/micropython,tuc-osg/micropython,tobbad/micropython,HenrikSolver/micropython,mhoffma/micropython,SHA2017-badge/micropython-esp32,henriknelson/micropython,pramasoul/micropython,AriZuu/micropython,swegener/micropython,Peetz0r/micropython-esp32,jmarcelino/pycom-micropython,henriknelson/micropython,adafruit/circuitpython