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34b8e24d7c
Previously, newlib's _impure_ptr was updated on every context switch to point to the current task's _reent structure. However, this behavior is no longer valid on multi-core systems due to the fact that multiple cores can switch contexts at the same time, thus leading to the corruption of the _impure_ptr. However, Newlib can be compiled with __DYNAMIC_REENT__ enabled which will cause newlib functions to call __getreent() instead in order to obtain the required reent struct. This commit adds dynamic reentrancy support to FreeRTOS: - Added a configNEWLIB_REENTRANT_IS_DYNAMIC to enable dynamic reentrancy support - _impure_ptr is no longer updated with reentrancy is dynamic - Port must provide their own __getreent() that returns the current task's reent struct |
3 years ago | |
|---|---|---|
| .. | ||
| FreeRTOS.h | 3 years ago | |
| StackMacros.h | 3 years ago | |
| atomic.h | 3 years ago | |
| croutine.h | 3 years ago | |
| deprecated_definitions.h | 3 years ago | |
| event_groups.h | 3 years ago | |
| list.h | 3 years ago | |
| message_buffer.h | 3 years ago | |
| mpu_prototypes.h | 3 years ago | |
| mpu_wrappers.h | 3 years ago | |
| portable.h | 3 years ago | |
| projdefs.h | 3 years ago | |
| queue.h | 3 years ago | |
| semphr.h | 3 years ago | |
| stack_macros.h | 3 years ago | |
| stdint.readme | 3 years ago | |
| stream_buffer.h | 3 years ago | |
| task.h | 3 years ago | |
| timers.h | 3 years ago | |