diff options
Diffstat (limited to 'absl/base/internal/thread_identity.cc')
| -rw-r--r-- | absl/base/internal/thread_identity.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/absl/base/internal/thread_identity.cc b/absl/base/internal/thread_identity.cc index 678e8568d742..cff9c1b4f4dc 100644 --- a/absl/base/internal/thread_identity.cc +++ b/absl/base/internal/thread_identity.cc @@ -68,6 +68,14 @@ void SetCurrentThreadIdentity( // NOTE: Not async-safe. But can be open-coded. absl::call_once(init_thread_identity_key_once, AllocateThreadIdentityKey, reclaimer); + +#ifdef __EMSCRIPTEN__ + // Emscripten PThread implementation does not support signals. + // See https://kripken.github.io/emscripten-site/docs/porting/pthreads.html + // for more information. + pthread_setspecific(thread_identity_pthread_key, + reinterpret_cast<void*>(identity)); +#else // We must mask signals around the call to setspecific as with current glibc, // a concurrent getspecific (needed for GetCurrentThreadIdentityIfPresent()) // may zero our value. @@ -81,6 +89,8 @@ void SetCurrentThreadIdentity( pthread_setspecific(thread_identity_pthread_key, reinterpret_cast<void*>(identity)); pthread_sigmask(SIG_SETMASK, &curr_signals, nullptr); +#endif // !__EMSCRIPTEN__ + #elif ABSL_THREAD_IDENTITY_MODE == ABSL_THREAD_IDENTITY_MODE_USE_TLS // NOTE: Not async-safe. But can be open-coded. absl::call_once(init_thread_identity_key_once, AllocateThreadIdentityKey, |