/**
* @param pid PID of the other party.
* @param size Size of the space.
* @return Token pair.
*/
private IgnitePair<String> inOutToken(int pid, int size) {
while (true) {
long idx = tokIdxGen.get();
if (tokIdxGen.compareAndSet(idx, idx + 2))
return F.pair(
new File(tokDir, TOKEN_FILE_NAME + idx + "-" + pid + "-" + size).getAbsolutePath(),
new File(tokDir, TOKEN_FILE_NAME + (idx + 1) + "-" + pid + "-" + size)
.getAbsolutePath());
}
}
