sh: Don't overwrite old exit status if a PID is reused.
Only store exit status for a process if that process has not terminated yet. Test (slow): exit 7 & p1=$!; until exit 8 & p2=$!; [ "$p1" = "$p2" ]; do wait "$p2"; done; sleep 0.1; wait %1; echo $? should write "7".
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=263453
@ -1121,7 +1121,8 @@ dowait(int mode, struct job *job)
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for (sp = jp->ps ; sp < jp->ps + jp->nprocs ; sp++) {
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if (sp->pid == -1)
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continue;
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if (sp->pid == pid) {
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if (sp->pid == pid && (sp->status == -1 ||
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WIFSTOPPED(sp->status))) {
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TRACE(("Changing status of proc %d from 0x%x to 0x%x\n",
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(int)pid, sp->status,
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status));
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