stdlib: rename _stdlib_PTHREAD_BARRIER_SERIAL_THREAD -> _stdlib_THREAD_BARRIER_SERIAL_THREAD

Author: compnerd

stdlib/private/SwiftPrivateThreadExtras/SwiftPrivateThreadExtras.swift

@@ -134,7 +134,7 @@ public class _stdlib_Barrier {
 
   public func wait() {
     let ret = _stdlib_thread_barrier_wait(_pthreadBarrierPtr)
-    if !(ret == 0 || ret == _stdlib_PTHREAD_BARRIER_SERIAL_THREAD) {
+    if !(ret == 0 || ret == _stdlib_THREAD_BARRIER_SERIAL_THREAD) {
       fatalError("_stdlib_thread_barrier_wait() failed")
     }
   }

stdlib/private/SwiftPrivateThreadExtras/ThreadBarriers.swift

@@ -24,7 +24,7 @@ import MSVCRT
 // (OS X does not implement them.)
 //
 
-public var _stdlib_PTHREAD_BARRIER_SERIAL_THREAD: CInt {
+public var _stdlib_THREAD_BARRIER_SERIAL_THREAD: CInt {
   return 1
 }
 
@@ -116,6 +116,6 @@ public func _stdlib_thread_barrier_wait(
     if pthread_mutex_unlock(barrier.pointee.mutex!) != 0 {
       return -1
     }
-    return _stdlib_PTHREAD_BARRIER_SERIAL_THREAD
+    return _stdlib_THREAD_BARRIER_SERIAL_THREAD
   }
 }

validation-test/stdlib/StringSlicesConcurrentAppend.swift

@@ -41,7 +41,7 @@ var secondaryString: String = ""
 
 func barrier() {
   var ret = _stdlib_thread_barrier_wait(barrierVar!)
-  expectTrue(ret == 0 || ret == _stdlib_PTHREAD_BARRIER_SERIAL_THREAD)
+  expectTrue(ret == 0 || ret == _stdlib_THREAD_BARRIER_SERIAL_THREAD)
 }
 
 func sliceConcurrentAppendThread(_ tid: ThreadID) {