#!/bin/sh

# Check how "resuming interrupted nanosleep" works.

. "${srcdir=.}/init.sh"

check_prog sleep
check_prog grep
run_strace -enanosleep sleep 1
LC_ALL=C grep ^nanosleep < "$LOG" > /dev/null ||
	framework_skip_ 'sleep does not use nanosleep'

./set_ptracer_any sleep 2 &
sleep 1
run_strace -q -erestart_syscall,nanosleep -p $!

LC_ALL=C grep ^restart_syscall < "$LOG" > /dev/null ||
if LC_ALL=C grep -x 'nanosleep({2, 0}, NULL) \+= 0' < "$LOG" > /dev/null; then
	skip_ 'no restart_syscall, uninterrupted nanosleep'
fi

case "$STRACE_ARCH" in
	alpha|mips|or1k|s390|s390x)
		# These architectures use the same register
		# both for syscall number and syscall return code.
		match_diff "$LOG" "$srcdir/restart_syscall_unknown.expected"
		;;
	*) match_diff
		;;
esac