diff options
Diffstat (limited to 'absl/base/internal/thread_identity.cc')
| -rw-r--r-- | absl/base/internal/thread_identity.cc | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/absl/base/internal/thread_identity.cc b/absl/base/internal/thread_identity.cc index ee96a58..678e856 100644 --- a/absl/base/internal/thread_identity.cc +++ b/absl/base/internal/thread_identity.cc @@ -48,12 +48,10 @@ void AllocateThreadIdentityKey(ThreadIdentityReclaimerFunction reclaimer) { ABSL_THREAD_IDENTITY_MODE == ABSL_THREAD_IDENTITY_MODE_USE_CPP11 // The actual TLS storage for a thread's currently associated ThreadIdentity. // This is referenced by inline accessors in the header. -// "protected" visibility ensures that if multiple copies of //base exist in a -// process (via dlopen() or similar), references to -// thread_identity_ptr from each copy of the code will refer to -// *different* instances of this ptr. See extensive discussion of this choice -// in cl/90634708 -// TODO(ahh): hard deprecate multiple copies of //base; remove this. +// "protected" visibility ensures that if multiple instances of Abseil code +// exist within a process (via dlopen() or similar), references to +// thread_identity_ptr from each instance of the code will refer to +// *different* instances of this ptr. #ifdef __GNUC__ __attribute__((visibility("protected"))) #endif // __GNUC__ @@ -70,7 +68,6 @@ void SetCurrentThreadIdentity( // NOTE: Not async-safe. But can be open-coded. absl::call_once(init_thread_identity_key_once, AllocateThreadIdentityKey, reclaimer); - // b/18366710: // We must mask signals around the call to setspecific as with current glibc, // a concurrent getspecific (needed for GetCurrentThreadIdentityIfPresent()) // may zero our value. |