crafcat7 opened a new pull request, #15198: URL: https://github.com/apache/nuttx/pull/15198
## Summary Avoid spinlock/mutex by using atomic Use atomic_cmpxchg to ensure that in multithreaded situations, if someone releases the buffer, it can be applied for in time. And use atomic_ulong to save free_bitmap ## Impact **Is a new feature added?:** NO **Impact on build:** NO **Impact on hardware:** NO, this change does not specifically target any particular hardware architectures or boards. **Impact on documentation:** NO,This patch does not introduce any new features **Impact on compatibility:** This implementation aims to be backward compatible. No existing functionality is expected to be broken. ## Testing Build Host(s): Linux x86 Target(s): sim/nsh Passed the file system related syscall test -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
