47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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#include "rc.h"
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#include "exec.h"
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#include "fns.h"
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#include "io.h"
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extern char *Signame[];
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void
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dotrap(void)
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{
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int i;
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struct var *trapreq;
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struct word *starval;
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starval = vlook(ENV_RCARGLIST)->val;
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while(ntrap) for(i = 0;i!=NSIG;i++) while(trap[i]){
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--trap[i];
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--ntrap;
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if(getpid()!=mypid) Exit(getstatus());
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trapreq = vlook(Signame[i]);
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if(trapreq->fn){
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start(trapreq->fn, trapreq->pc, (struct var *)0);
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runq->local = newvar(ENV_RCARGLIST, runq->local);
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runq->local->val = copywords(starval, (struct word *)0);
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runq->local->changed = 1;
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runq->redir = runq->startredir = 0;
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}
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else if(i==SIGINT || i==SIGQUIT){
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/*
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* run the stack down until we uncover the
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* command reading loop. Xreturn will exit
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* if there is none (i.e. if this is not
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* an interactive rc.)
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*/
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while(!runq->iflag) Xreturn();
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}
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else Exit(getstatus());
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}
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}
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