#!/bin/bash

function p_invoke() {
	perf record -F1000 --call-graph dwarf -o /perf.data \
		-- /nginx/objs/nginx \
			-p /tmp \
			-e /tmp/error.log \
			-c /nginx.conf \
			-g "daemon off;"
}

function invoke() {
	/nginx/objs/nginx    \
		-p /tmp          \
		-e /tmp/error.log   \
		-c /nginx.conf   \
		-g "daemon off;" \
		$@
}

function sigint_handler() {
	echo "sigint received. trigger again to kill."
	invoke -s quit
	trap - INT
}

function sigcont_handler() {
	echo "sigcont received. reloading nginx."
	invoke -s reload
}

trap 'sigint_handler' INT
trap 'sigcont_handler' CONT

p_invoke &
wait
echo "NGINX down. waiting until signalled..."
sleep infinity