import mem
import sys

main() {
	start(thread)
	start(thread)
	start(thread)
	thread()
}

start(func Pointer) {
	size := 4096
	stack := mem.alloc(size)
	rip := stack + size - 8
	store(rip, 8, func)
	sys.clone(0x100|0x200|0x400|0x800|0x8000|0x10000|0x80000000, rip)
}

thread() {
	sys.write(1, "[ ] start\n", 10)
	sys.write(1, "[x] end\n", 8)
	sys.exit(0)
}