Don't blindly skip 0-group processes in signals
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@ -550,7 +550,6 @@ int signo; /* signal to send to process (0 to _NSIG) */
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if (proc_id == 0 && mp->mp_procgrp != rmp->mp_procgrp) continue;
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if (proc_id == 0 && mp->mp_procgrp != rmp->mp_procgrp) continue;
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if (proc_id == -1 && rmp->mp_pid <= INIT_PID) continue;
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if (proc_id == -1 && rmp->mp_pid <= INIT_PID) continue;
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if (proc_id < -1 && rmp->mp_procgrp != -proc_id) continue;
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if (proc_id < -1 && rmp->mp_procgrp != -proc_id) continue;
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if (rmp->mp_procgrp == 0) continue;
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/* Check for permission. */
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/* Check for permission. */
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if (mp->mp_effuid != SUPER_USER
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if (mp->mp_effuid != SUPER_USER
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