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1c21bfb1b1
Merge commit 28fb22c90fe7 from llvm git (by Dimitry Andric): [TSan] Handle FreeBSD specific indirection of libpthread functions Similar to 60cc1d3218fc for NetBSD, add aliases and interceptors for the following pthread related functions: - pthread_cond_init(3) - pthread_cond_destroy(3) - pthread_cond_signal(3) - pthread_cond_broadcast(3) - pthread_cond_wait(3) - pthread_mutex_init(3) - pthread_mutex_destroy(3) - pthread_mutex_lock(3) - pthread_mutex_trylock(3) - pthread_mutex_unlock(3) - pthread_rwlock_init(3) - pthread_rwlock_destroy(3) - pthread_rwlock_rdlock(3) - pthread_rwlock_tryrdlock(3) - pthread_rwlock_wrlock(3) - pthread_rwlock_trywrlock(3) - pthread_rwlock_unlock(3) - pthread_once(3) - pthread_sigmask(3) In FreeBSD's libc, a number of internal aliases of the pthread functions are invoked, typically with an additional prefixed underscore, e.g. _pthread_cond_init() and so on. ThreadSanitizer needs to intercept these aliases too, otherwise some false positive reports about data races might be produced. Reviewed By: dvyukov Differential Revision: https://reviews.llvm.org/D119034 MFC after: 3 days |
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