diff options
Diffstat (limited to 'absl/base')
| -rw-r--r-- | absl/base/internal/thread_identity.cc | 15 | ||||
| -rw-r--r-- | absl/base/internal/thread_identity.h | 15 |
2 files changed, 14 insertions, 16 deletions
diff --git a/absl/base/internal/thread_identity.cc b/absl/base/internal/thread_identity.cc index 79853f09..0eeb7d00 100644 --- a/absl/base/internal/thread_identity.cc +++ b/absl/base/internal/thread_identity.cc @@ -58,18 +58,19 @@ void AllocateThreadIdentityKey(ThreadIdentityReclaimerFunction reclaimer) { // that protected visibility is unsupported. ABSL_CONST_INIT // Must come before __attribute__((visibility("protected"))) #if ABSL_HAVE_ATTRIBUTE(visibility) && !defined(__APPLE__) -__attribute__((visibility("protected"))) + __attribute__((visibility("protected"))) #endif // ABSL_HAVE_ATTRIBUTE(visibility) && !defined(__APPLE__) #if ABSL_PER_THREAD_TLS -// Prefer __thread to thread_local as benchmarks indicate it is a bit faster. -ABSL_PER_THREAD_TLS_KEYWORD ThreadIdentity* thread_identity_ptr = nullptr; + // Prefer __thread to thread_local as benchmarks indicate it is a bit + // faster. + ABSL_PER_THREAD_TLS_KEYWORD ThreadIdentity* thread_identity_ptr = nullptr; #elif defined(ABSL_HAVE_THREAD_LOCAL) -thread_local ThreadIdentity* thread_identity_ptr = nullptr; + thread_local ThreadIdentity* thread_identity_ptr = nullptr; #endif // ABSL_PER_THREAD_TLS #endif // TLS or CPP11 -void SetCurrentThreadIdentity( - ThreadIdentity* identity, ThreadIdentityReclaimerFunction reclaimer) { +void SetCurrentThreadIdentity(ThreadIdentity* identity, + ThreadIdentityReclaimerFunction reclaimer) { assert(CurrentThreadIdentityIfPresent() == nullptr); // Associate our destructor. // NOTE: This call to pthread_setspecific is currently the only immovable @@ -134,7 +135,7 @@ void ClearCurrentThreadIdentity() { ABSL_THREAD_IDENTITY_MODE == ABSL_THREAD_IDENTITY_MODE_USE_CPP11 thread_identity_ptr = nullptr; #elif ABSL_THREAD_IDENTITY_MODE == \ - ABSL_THREAD_IDENTITY_MODE_USE_POSIX_SETSPECIFIC + ABSL_THREAD_IDENTITY_MODE_USE_POSIX_SETSPECIFIC // pthread_setspecific expected to clear value on destruction assert(CurrentThreadIdentityIfPresent() == nullptr); #endif diff --git a/absl/base/internal/thread_identity.h b/absl/base/internal/thread_identity.h index 496ec214..b6e917ce 100644 --- a/absl/base/internal/thread_identity.h +++ b/absl/base/internal/thread_identity.h @@ -62,8 +62,8 @@ struct PerThreadSynch { return reinterpret_cast<ThreadIdentity*>(this); } - PerThreadSynch *next; // Circular waiter queue; initialized to 0. - PerThreadSynch *skip; // If non-zero, all entries in Mutex queue + PerThreadSynch* next; // Circular waiter queue; initialized to 0. + PerThreadSynch* skip; // If non-zero, all entries in Mutex queue // up to and including "skip" have same // condition as this, and will be woken later bool may_skip; // if false while on mutex queue, a mutex unlocker @@ -104,10 +104,7 @@ struct PerThreadSynch { // // Transitions from kAvailable to kQueued require no barrier, they // are externally ordered by the Mutex. - enum State { - kAvailable, - kQueued - }; + enum State { kAvailable, kQueued }; std::atomic<State> state; // The wait parameters of the current wait. waitp is null if the @@ -122,14 +119,14 @@ struct PerThreadSynch { // pointer unchanged. SynchWaitParams* waitp; - intptr_t readers; // Number of readers in mutex. + intptr_t readers; // Number of readers in mutex. // When priority will next be read (cycles). int64_t next_priority_read_cycles; // Locks held; used during deadlock detection. // Allocated in Synch_GetAllLocks() and freed in ReclaimThreadIdentity(). - SynchLocksHeld *all_locks; + SynchLocksHeld* all_locks; }; // The instances of this class are allocated in NewThreadIdentity() with an @@ -220,7 +217,7 @@ void ClearCurrentThreadIdentity(); #define ABSL_THREAD_IDENTITY_MODE ABSL_THREAD_IDENTITY_MODE_USE_CPP11 #elif defined(__APPLE__) && defined(ABSL_HAVE_THREAD_LOCAL) #define ABSL_THREAD_IDENTITY_MODE ABSL_THREAD_IDENTITY_MODE_USE_CPP11 -#elif ABSL_PER_THREAD_TLS && defined(__GOOGLE_GRTE_VERSION__) && \ +#elif ABSL_PER_THREAD_TLS && defined(__GOOGLE_GRTE_VERSION__) && \ (__GOOGLE_GRTE_VERSION__ >= 20140228L) // Support for async-safe TLS was specifically added in GRTEv4. It's not // present in the upstream eglibc. |