absl: reformat Mutex-related files

Reformat Mutex-related files so that incremental formatting changes
don't distract during review of logical changes.
These files are subtle and any unnecessary diffs make reviews harder.

No changes besides running clang-format.

PiperOrigin-RevId: 541981737
Change-Id: I41cccb7a97158c78d17adaff6fe553c2c9c2b9ed

absl/base/internal/thread_identity.cc

@@ -58,18 +58,19 @@ void AllocateThreadIdentityKey(ThreadIdentityReclaimerFunction reclaimer) {
 // that protected visibility is unsupported.
 // that protected visibility is unsupported.
 ABSL_CONST_INIT  // Must come before __attribute__((visibility("protected")))
 ABSL_CONST_INIT  // Must come before __attribute__((visibility("protected")))
 #if ABSL_HAVE_ATTRIBUTE(visibility) && !defined(__APPLE__)
 #if ABSL_HAVE_ATTRIBUTE(visibility) && !defined(__APPLE__)
-__attribute__((visibility("protected")))
+    __attribute__((visibility("protected")))
 #endif  // ABSL_HAVE_ATTRIBUTE(visibility) && !defined(__APPLE__)
 #endif  // ABSL_HAVE_ATTRIBUTE(visibility) && !defined(__APPLE__)
 #if ABSL_PER_THREAD_TLS
 #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)
 #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  // ABSL_PER_THREAD_TLS
 #endif  // TLS or CPP11
 #endif  // TLS or CPP11
 
 
-void SetCurrentThreadIdentity(
-    ThreadIdentity* identity, ThreadIdentityReclaimerFunction reclaimer) {
+void SetCurrentThreadIdentity(ThreadIdentity* identity,
+                              ThreadIdentityReclaimerFunction reclaimer) {
   assert(CurrentThreadIdentityIfPresent() == nullptr);
   assert(CurrentThreadIdentityIfPresent() == nullptr);
   // Associate our destructor.
   // Associate our destructor.
   // NOTE: This call to pthread_setspecific is currently the only immovable
   // 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
     ABSL_THREAD_IDENTITY_MODE == ABSL_THREAD_IDENTITY_MODE_USE_CPP11
   thread_identity_ptr = nullptr;
   thread_identity_ptr = nullptr;
 #elif ABSL_THREAD_IDENTITY_MODE == \
 #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
   // pthread_setspecific expected to clear value on destruction
   assert(CurrentThreadIdentityIfPresent() == nullptr);
   assert(CurrentThreadIdentityIfPresent() == nullptr);
 #endif
 #endif

absl/base/internal/thread_identity.h

@@ -62,8 +62,8 @@ struct PerThreadSynch {
     return reinterpret_cast<ThreadIdentity*>(this);
     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
                          // up to and including "skip" have same
                          // condition as this, and will be woken later
                          // condition as this, and will be woken later
   bool may_skip;         // if false while on mutex queue, a mutex unlocker
   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
   // Transitions from kAvailable to kQueued require no barrier, they
   // are externally ordered by the Mutex.
   // are externally ordered by the Mutex.
-  enum State {
-    kAvailable,
-    kQueued
-  };
+  enum State { kAvailable, kQueued };
   std::atomic<State> state;
   std::atomic<State> state;
 
 
   // The wait parameters of the current wait.  waitp is null if the
   // The wait parameters of the current wait.  waitp is null if the
@@ -122,14 +119,14 @@ struct PerThreadSynch {
   // pointer unchanged.
   // pointer unchanged.
   SynchWaitParams* waitp;
   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).
   // When priority will next be read (cycles).
   int64_t next_priority_read_cycles;
   int64_t next_priority_read_cycles;
 
 
   // Locks held; used during deadlock detection.
   // Locks held; used during deadlock detection.
   // Allocated in Synch_GetAllLocks() and freed in ReclaimThreadIdentity().
   // 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
 // 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
 #define ABSL_THREAD_IDENTITY_MODE ABSL_THREAD_IDENTITY_MODE_USE_CPP11
 #elif defined(__APPLE__) && defined(ABSL_HAVE_THREAD_LOCAL)
 #elif defined(__APPLE__) && defined(ABSL_HAVE_THREAD_LOCAL)
 #define ABSL_THREAD_IDENTITY_MODE ABSL_THREAD_IDENTITY_MODE_USE_CPP11
 #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)
     (__GOOGLE_GRTE_VERSION__ >= 20140228L)
 // Support for async-safe TLS was specifically added in GRTEv4.  It's not
 // Support for async-safe TLS was specifically added in GRTEv4.  It's not
 // present in the upstream eglibc.
 // present in the upstream eglibc.

absl/synchronization/internal/create_thread_identity.cc

@@ -13,6 +13,7 @@
 // limitations under the License.
 // limitations under the License.
 
 
 #include <stdint.h>
 #include <stdint.h>
+
 #include <new>
 #include <new>
 
 
 // This file is a no-op if the required LowLevelAlloc support is missing.
 // This file is a no-op if the required LowLevelAlloc support is missing.