269 	sh.st.otrapcom = 0;  in sh_sigtrap()
272 	else if(!((flag=sh.sigflag[sig])&(SH_SIGFAULT|SH_SIGOFF)))  in sh_sigtrap()
287 		sh.sigflag[sig] = flag;  in sh_sigtrap()
296 	register int 	flag, sig = sh.sigmax;  in sh_sigdone()
297 	sh.sigflag[0] |= SH_SIGFAULT;  in sh_sigdone()
298 	for(sig=sh.sigmax; sig>0; sig--)  in sh_sigdone()
300 		flag = sh.sigflag[sig];  in sh_sigdone()
314 	register int 	flag, sig=sh.st.trapmax;  in sh_sigreset()
317 		if(trap=sh.st.trapcom[sig])  in sh_sigreset()
319 			flag  = sh.sigflag[sig]&~(SH_SIGTRAP|SH_SIGSET);  in sh_sigreset()
324 				sh.st.trapcom[sig] = 0;  in sh_sigreset()
333 			sh.sigflag[sig] = flag;  in sh_sigreset()
338 		if(trap=sh.st.trap[sig])  in sh_sigreset()
342 			sh.st.trap[sig] = 0;  in sh_sigreset()
346 	sh.st.trapcom[0] = 0;  in sh_sigreset()
348 		sh.st.trapmax = 0;  in sh_sigreset()
349 	sh.trapnote=0;  in sh_sigreset()
357 	register int flag = sh.sigflag[sig];  in sh_sigclear()
359 	sh.st.otrapcom=0;  in sh_sigclear()
363 	if(trap=sh.st.trapcom[sig])  in sh_sigclear()
365 		if(!sh.subshell)  in sh_sigclear()
367 		sh.st.trapcom[sig]=0;  in sh_sigclear()
369 	sh.sigflag[sig] = flag;  in sh_sigclear()
378 	register int 	sig=sh.st.trapmax;  in sh_chktrap()
380 	if(!(sh.trapnote&~SH_SIGIGNORE))  in sh_chktrap()
382 	sh.trapnote &= ~SH_SIGTRAP;  in sh_chktrap()
384 	if(sh_isstate(SH_ERREXIT) && sh.exitval)  in sh_chktrap()
386 		int	sav_trapnote = sh.trapnote;  in sh_chktrap()
387 		sh.trapnote &= ~SH_SIGSET;  in sh_chktrap()
388 		if(sh.st.trap[SH_ERRTRAP])  in sh_chktrap()
390 			trap = sh.st.trap[SH_ERRTRAP];  in sh_chktrap()
391 			sh.st.trap[SH_ERRTRAP] = 0;  in sh_chktrap()
393 			sh.st.trap[SH_ERRTRAP] = trap;  in sh_chktrap()
395 		sh.trapnote = sav_trapnote;  in sh_chktrap()
398 			struct checkpt	*pp = (struct checkpt*)sh.jmplist;  in sh_chktrap()
400 			sh_exit(sh.exitval);  in sh_chktrap()
403 	if(sh.sigflag[SIGALRM]&SH_SIGALRM)  in sh_chktrap()
406 	if((sh.sigflag[SIGCHLD]&SH_SIGTRAP) && sh.st.trapcom[SIGCHLD])  in sh_chktrap()
407 		job_chldtrap(&sh,sh.st.trapcom[SIGCHLD],1);  in sh_chktrap()
415 		if(sh.sigflag[sig]&SH_SIGTRAP)  in sh_chktrap()
417 			sh.sigflag[sig] &= ~SH_SIGTRAP;  in sh_chktrap()
418 			if(trap=sh.st.trapcom[sig])  in sh_chktrap()
421 				if(sig==SIGPIPE && (fp=sfpool((Sfio_t*)0,sh.outpool,SF_WRITE)) && sferror(fp))  in sh_chktrap()
423  				sh.oldexit = SH_EXITSIG|sig;  in sh_chktrap()
501 	Shell_t	*shp = &sh;  in sh_exit()