#include "ckb_syscalls.h"
#ifdef DEBUG
#include <stdio.h>
#else
#define ckb_debug(...)
#define sprintf(...)
#endif
void try_pause() { syscall(2178, 0, 0, 0, 0, 0, 0); }
int current_cycles() { return syscall(2042, 0, 0, 0, 0, 0, 0); }
int main() {
#ifdef DEBUG
char message[2048];
#endif
int prev = current_cycles();
int curr;
for (int i = 0; i < 4096; i++) {
curr = current_cycles();
sprintf(message, "prev = %d, curr = %d", prev, curr);
ckb_debug(message);
if (i > 16) {
try_pause();
}
if (curr <= prev) {
return -1;
}
prev = curr;
}
return CKB_SUCCESS;
}