| /* |
| * Copyright 2011-2015 Samy Al Bahra. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #include <ck_backoff.h> |
| #include "../../common.h" |
| |
| int |
| main(void) |
| { |
| ck_backoff_t backoff = CK_BACKOFF_INITIALIZER; |
| const ck_backoff_t ceiling = CK_BACKOFF_CEILING + 1; |
| unsigned int i = 0; |
| |
| fprintf(stderr, "Ceiling is: %u (%#x)\n", CK_BACKOFF_CEILING, CK_BACKOFF_CEILING); |
| |
| for (;;) { |
| ck_backoff_t previous = backoff; |
| ck_backoff_eb(&backoff); |
| |
| printf("EB %u\n", backoff); |
| if (previous == ceiling) { |
| if (backoff != ceiling) |
| ck_error("[C] GB: expected %u, got %u\n", ceiling, backoff); |
| |
| if (i++ >= 1) |
| break; |
| } else if (previous != backoff >> 1) { |
| ck_error("[N] GB: expected %u (%u), got %u\n", previous << 1, previous, backoff); |
| } |
| } |
| |
| return 0; |
| } |
| |