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Implement leak detection on UnixWare (#172)

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src/cmd/ksh93/tests/leaks.sh: Read vsz from UnixWare's ps

UnixWare's ps reports an accurate virtual size, so collecting that is
preferable to trying to parse the real resident size.
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Lev Kujawski 2021-02-12 17:52:54 -07:00 • committed by GitHub
parent 2c04a88b37
commit a7121b6689
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src/cmd/ksh93/tests/leaks.sh
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@ -53,6 +53,17 @@ then N=1024 # number of iterations for each test
{ {
cut -f 23 -d ' ' </proc/$$/stat cut -f 23 -d ' ' </proc/$$/stat
} }
# On UnixWare, read the process virtual size with ps
elif [[ $(uname) == UnixWare ]] &&
n=$(ps -o vsz= -p "$$" 2>/dev/null) &&
let "($n) == ($n) && n > 0"
then N=16384
unit=KiB
tolerance=$((4*N/1024)) # tolerate 4 bytes per iteration to account for malloc artefacts
function getmem
{
ps -o vsz= -p "$$"
}
# Otherwise, make do with the nonstandard 'rss' (real resident size) keyword # Otherwise, make do with the nonstandard 'rss' (real resident size) keyword
# of the 'ps' command (the standard 'vsz', virtual size, is not usable). # of the 'ps' command (the standard 'vsz', virtual size, is not usable).
elif n=$(ps -o rss= -p "$$" 2>/dev/null) && elif n=$(ps -o rss= -p "$$" 2>/dev/null) &&