57 lines
806 B
Bash
Executable File
57 lines
806 B
Bash
Executable File
#!/bin/rc
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rfork e
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if(~ $#* 0){
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echo 'usage:' $0 '[ pid ... ]' >[1=2]
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exit usage
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}
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f=/proc/*/fd
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fn otherqid {
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x=`{echo $1 | sed 's/[12]$//'}
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switch($1){
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case $x^1
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echo $x^2
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case $x^2
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echo $x^1
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}
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}
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fn traceqid {
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while(! ~ $#* 0){
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echo $t '['$2']' $3 $1
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t=(' ' $t)
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tracepid `{grep -n `{otherqid $1} $f >[2]/dev/null | sed 's!^/proc/([^/]+)/.*!\1!g'}
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t=$t(2-)
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shift
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shift
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shift
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}
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}
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fn tracepid {
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while(! ~ $#* 0){
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a=ap$1
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v=av$1
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if(~ $$v $1){
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echo $t $1 $$a ' ...'
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}
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if not {
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$v=$1
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$a=`{cat /proc/$1/args >[2]/dev/null}
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if(~ $$a ''){
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s=`{cat /proc/$1/status >[2]/dev/null}
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$a=$s(1)
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}
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echo $t $1 $$a
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t=(' ' $t)
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traceqid `{awk '/\|/{q=substr($5,2);print q" "$1" "$10}' /proc/$1/fd >[2]/dev/null}
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t=$t(2-)
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}
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shift
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}
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}
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tracepid $*
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