projects / urcu.git / blame
| Commit | Line | Data |
|---|---|---|
| d3d3857f MJ |
1 | // SPDX-FileCopyrightText: 2021 Francis Deslauriers <francis.deslauriers@efficios.com> |
| 2 | // | |
| 3 | // SPDX-License-Identifier: MIT | |
| 4 | ||
| 01477510 FD |
5 | #ifndef _URCU_ASSERT_H |
| 6 | #define _URCU_ASSERT_H | |
| 7 | ||
| 8 | /* | |
| 01477510 | 9 | * Userspace RCU assertion facilities. |
| 01477510 FD |
10 | */ |
| 11 | ||
| 12 | #include <urcu/config.h> | |
| 13 | ||
| 14 | /* | |
| 15 | * Force usage of an expression to prevent unused expression compiler warning. | |
| 16 | */ | |
| 17 | #define _urcu_use_expression(_expr) ((void) sizeof((void) (_expr), 0)) | |
| 18 | ||
| 19 | #ifdef NDEBUG | |
| 20 | /* | |
| 21 | * Vanilla assert() replacement. When NDEBUG is defined, the expression is | |
| 22 | * consumed to prevent unused variable compile warnings. | |
| 23 | */ | |
| 24 | # define urcu_posix_assert(_cond) _urcu_use_expression(_cond) | |
| 25 | #else | |
| 26 | # include <assert.h> | |
| 27 | # define urcu_posix_assert(_cond) assert(_cond) | |
| 28 | #endif | |
| 29 | ||
| 30 | #if defined(DEBUG_RCU) || defined(CONFIG_RCU_DEBUG) | |
| 31 | ||
| 32 | /* | |
| 33 | * Enables debugging/expensive assertions to be used in fast paths and only | |
| 34 | * enabled on demand. When disabled, the expression is consumed to prevent | |
| 35 | * unused variable compile warnings. | |
| 36 | */ | |
| 37 | # define urcu_assert_debug(_cond) urcu_posix_assert(_cond) | |
| 38 | #else | |
| 39 | # define urcu_assert_debug(_cond) _urcu_use_expression(_cond) | |
| 40 | #endif | |
| 41 | ||
| 42 | #endif /* _URCU_ASSERT_H */ |