| Dileep Marchya | f9ba485 | 2014-10-24 19:56:57 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2014, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without modification, are permitted |
| 5 | * provided that the following conditions are met: |
| 6 | * * Redistributions of source code must retain the above copyright notice, this list of |
| 7 | * conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above copyright notice, this list of |
| 9 | * conditions and the following disclaimer in the documentation and/or other materials provided |
| 10 | * with the distribution. |
| 11 | * * Neither the name of The Linux Foundation nor the names of its contributors may be used to |
| 12 | * endorse or promote products derived from this software without specific prior written |
| 13 | * permission. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 16 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 17 | * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE |
| 18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 19 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 20 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 21 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 22 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 | */ |
| 24 | |
| 25 | #ifndef __CONSTANTS_H__ |
| 26 | #define __CONSTANTS_H__ |
| 27 | |
| 28 | #define LIKELY(exp) __builtin_expect((exp) != 0, true) |
| 29 | #define UNLIKELY(exp) __builtin_expect((exp) != 0, false) |
| 30 | |
| 31 | #define INT(exp) static_cast<int>(exp) |
| 32 | #define FLOAT(exp) static_cast<float>(exp) |
| 33 | #define UINT32(exp) static_cast<uint32_t>(exp) |
| 34 | #define INT32(exp) static_cast<int32_t>(exp) |
| 35 | |
| 36 | #define STRUCT_VAR(struct_name, var_name) \ |
| 37 | struct struct_name var_name; \ |
| 38 | memset(&var_name, 0, sizeof(var_name)); |
| 39 | |
| 40 | #define STRUCT_VAR_ARRAY(struct_name, var_name, num_var) \ |
| 41 | struct struct_name var_name[num_var]; \ |
| 42 | memset(&var_name[0], 0, sizeof(var_name)); |
| 43 | |
| 44 | #define ROUND_UP(number, step) ((((number) + ((step) - 1)) / (step)) * (step)) |
| 45 | |
| 46 | namespace sde { |
| 47 | |
| 48 | typedef void * Handle; |
| 49 | |
| 50 | } // namespace sde |
| 51 | |
| 52 | #endif // __CONSTANTS_H__ |
| 53 | |