Don't print anything if anything is wrong in send_sig()
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95285c399e
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1 changed files with 4 additions and 7 deletions
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@ -247,18 +247,15 @@ PUBLIC void send_sig(int proc_nr, int sig_nr)
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/* Notify a system process about a signal. This is straightforward. Simply
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* set the signal that is to be delivered in the pending signals map and
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* send a notification with source SYSTEM.
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*
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* Process number is verified to avoid writing in random places, but we
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* don't kprintf() or panic() because that causes send_sig() invocations.
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*/
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register struct proc *rp;
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static int n;
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if(!isokprocn(proc_nr)) {
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panic("Bogus send_sig", proc_nr);
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if(!isokprocn(proc_nr) || isemptyn(proc_nr))
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return;
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}
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if(isemptyn(proc_nr)) {
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kprintf("kernel send_sig: ignoring sig for empty proc %d\n", proc_nr);
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return;
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}
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rp = proc_addr(proc_nr);
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sigaddset(&priv(rp)->s_sig_pending, sig_nr);
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