strace/tests/strace-ff.test
Dmitry V. Levin 26b2cfeb6b strace-ff.test: fix race condition
* tests/strace-ff.test: Wait for completion of PR_SET_PTRACER command.
2016-05-10 09:51:04 +00:00

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#!/bin/sh
# Check -ff option.
. "${srcdir=.}/init.sh"
run_prog_skip_if_failed \
kill -0 $$
./set_ptracer_any ./sleep 1 > "$OUT" &
tracee_pid=$!
while ! [ -s "$OUT" ]; do
kill -0 $tracee_pid 2> /dev/null ||
fail_ 'set_ptracer_any sleep failed'
done
rm -f "$LOG".*
run_strace -a14 -eexit_group -ff -p $tracee_pid
# check that output matches
match_diff "$LOG.$tracee_pid"
# check that no other output files have been created
set -- "$LOG".*
[ "$LOG.$tracee_pid" = "$*" ] ||
fail_ "too many output files: $*"
rm -f "$OUT" "$LOG.$tracee_pid"