Function diff_ms

co_hook_sys_call.cpp:172–178

#define HOOK_SYS_FUNC(name) if( !g_sys_##name##_func ) { g_sys_##name##_func = (name##_pfn_t)dlsym(RTLD_NEXT,#name); }

static inline ll64_t diff_ms(struct timeval &begin,struct timeval &end)
{
	ll64_t u = (end.tv_sec - begin.tv_sec) ;
	u *= 1000 * 10;
	u += ( end.tv_usec - begin.tv_usec ) / (  100 );
	return u;
}