diff options
Diffstat (limited to 'absl/base/internal/thread_identity.cc')
| -rw-r--r-- | absl/base/internal/thread_identity.cc | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/absl/base/internal/thread_identity.cc b/absl/base/internal/thread_identity.cc index aa1add8b..b35bee34 100644 --- a/absl/base/internal/thread_identity.cc +++ b/absl/base/internal/thread_identity.cc @@ -28,7 +28,7 @@ #include "absl/base/internal/spinlock.h" namespace absl { -inline namespace lts_2018_06_20 { +inline namespace lts_2018_12_18 { namespace base_internal { #if ABSL_THREAD_IDENTITY_MODE != ABSL_THREAD_IDENTITY_MODE_USE_CPP11 @@ -69,6 +69,14 @@ 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. @@ -82,6 +90,8 @@ 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, @@ -121,5 +131,5 @@ ThreadIdentity* CurrentThreadIdentityIfPresent() { #endif } // namespace base_internal -} // inline namespace lts_2018_06_20 +} // inline namespace lts_2018_12_18 } // namespace absl |