diff options
| -rw-r--r-- | absl/base/internal/thread_identity.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/absl/base/internal/thread_identity.h b/absl/base/internal/thread_identity.h index 463acbc7..b99c9575 100644 --- a/absl/base/internal/thread_identity.h +++ b/absl/base/internal/thread_identity.h @@ -170,7 +170,10 @@ struct ThreadIdentity { // // Does not malloc(*), and is async-signal safe. // [*] Technically pthread_setspecific() does malloc on first use; however this -// is handled internally within tcmalloc's initialization already. +// is handled internally within tcmalloc's initialization already. Note that +// darwin does *not* use tcmalloc, so this can catch you if using MallocHooks +// on Apple platforms. Whatever function is calling your MallocHooks will need +// to watch for recursion on Apple platforms. // // New ThreadIdentity objects can be constructed and associated with a thread // by calling GetOrCreateCurrentThreadIdentity() in per-thread-sem.h. |