QA output created by 579
__pmProcessPipe: argc=4 type="r" toss=0 "gzip" "-c" "-d" "/no/such/file.gz"
__pmProcessPipe: map[0 of 1] child pid=PID fp=ADDR
gzip: /no/such/file.gz: No such file or directory
__pmProcessPipeClose: child pid=PID wait_pid=PID exit=1
__pmProcessPipe: argc=4 type="r" toss=0 "gzip" "-c" "-d" "TMP.gz"
__pmProcessPipe: map[0 of 1] child pid=PID fp=ADDR

gzip: TMP.gz: unexpected end of file
__pmProcessPipeClose: child pid=PID wait_pid=PID exit=1
