/* * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ /* * These are common definitions for architectures on which test_and_set * operates on pointer-sized quantities, the "clear" value contains * all zeroes, and the "set" value contains only one lowest bit set. * This can be used if test_and_set is synthesized from compare_and_swap. */ typedef enum {AO_TS_clear = 0, AO_TS_set = 1} AO_TS_val; #define AO_TS_VAL_t AO_TS_val #define AO_TS_CLEAR AO_TS_clear #define AO_TS_SET AO_TS_set #define AO_TS_t AO_t #define AO_AO_TS_T 1