exitnow — Exit Csound as fast as possible, with no cleaning up.
In Csound4 calls an exit function to leave Csound as fast as possible. On Csound5 exits back to the driving code.
Stops Csound on the initialisation cycle, returning the result ivalue, which defaults to zero. Note that it is usual for this opcode to be alone in an instrument.
Here is an example of the exitnow opcode. It uses the file exitnow.csd.
Example 232. Example of the exitnow opcode.
See the sections Real-time Audio and Command Line Flags for more information on using command line flags.
<CsoundSynthesizer> <CsOptions> ; Select audio/midi flags here according to platform -n ;;;no sound ;-iadc ;;;uncomment -iadc if realtime audio input is needed too ; For Non-realtime ouput leave only the line below: ; -o exitnow.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ;after an example by Iain McCurdy sr = 44100 ksmps = 32 nchnls = 2 0dbfs = 1 FLcolor 200, 200, 200, 0, 0, 0 ; LABEL | WIDTH | HEIGHT | X | Y FLpanel "rtclock", 500, 130, 0, 0 ; ON,OFF,TYPE,WIDTH, HEIGHT, X, Y, OPCODE, INS,START,IDUR gkOnOff,ihOnOff FLbutton "On/Off", 1, 0, 22, 150, 25, 5, 5, 0, 1, 0, 3600 gkExit,ihExit FLbutton "exitnow",1, 0, 21, 150, 25, 345, 5, 0, 999, 0, 0.001 FLsetColor2 255, 0, 50, ihOnOff ;reddish color ;VALUE DISPLAY BOXES WIDTH,HEIGHT,X, Y gidclock FLvalue "clock", 100, 25, 200, 60 FLsetVal_i 1, ihOnOff FLpanel_end FLrun instr 1 if gkOnOff !=0 kgoto CONTINUE ;sense if FLTK on/off switch is not off (in which case skip the next line) turnoff ;turn this instr. off now CONTINUE: ktime rtclock ;clock continues to run even FLprintk2 ktime, gidclock ;after the on/off button was used to stop endin instr 999 exitnow ;exit Csound as fast as possible endin </CsInstruments> <CsScore> f 0 60 ;runs 60 seconds e </CsScore> </CsoundSynthesizer>