1 function detectNumCPUs () {
2 if sysctl -n "hw.ncpu" 2>/dev/null; then
3 # This works for most BSDs.
5 elif grep -qF processor /proc/cpuinfo 2>/dev/null; then
7 grep -cF processor /proc/cpuinfo
9 echo -n "WARNING: $0 doesn't know how to detect the number of" >&2
10 echo -n "processors on this platform. Assuming we have just one..." >&2