Imported Upstream version 1.64.0

[platform/upstream/boost.git] / libs / fiber / src / barrier.cpp

diff --git a/libs/fiber/src/barrier.cpp b/libs/fiber/src/barrier.cpp
index e6deed8..87d9be4 100644 (file)
--- a/libs/fiber/src/barrier.cpp
+++ b/libs/fiber/src/barrier.cpp
@@ -19,28 +19,28 @@ namespace boost {
 namespace fibers {
 
 barrier::barrier( std::size_t initial) :
-       initial_{ initial },
-       current_{ initial_ } {
+    initial_{ initial },
+    current_{ initial_ } {
     if ( 0 == initial) {
-        throw fiber_error( std::make_error_code( std::errc::invalid_argument),
-                           "boost fiber: zero initial barrier count");
+        throw fiber_error{ std::make_error_code( std::errc::invalid_argument),
+                           "boost fiber: zero initial barrier count" };
     }
 }
 
 bool
 barrier::wait() {
-       std::unique_lock< mutex > lk( mtx_);
-       const bool cycle = cycle_;
-       if ( 0 == --current_) {
-               cycle_ = ! cycle_;
-               current_ = initial_;
+    std::unique_lock< mutex > lk{ mtx_ };
+    const std::size_t cycle = cycle_;
+    if ( 0 == --current_) {
+        ++cycle_;
+        current_ = initial_;
         lk.unlock(); // no pessimization
-               cond_.notify_all();
-               return true;
-       } else {
-        cond_.wait( lk, [&](){ return cycle != cycle_; });
-       }
-       return false;
+        cond_.notify_all();
+        return true;
+    } else {
+        cond_.wait( lk, [&]{ return cycle != cycle_; });
+    }
+    return false;
 }
 
 }}