From a957d12f7af10635819c754d26be87988e926fed Mon Sep 17 00:00:00 2001
From: Paolo Carlini <paolo@gcc.gnu.org>
Date: Fri, 18 Dec 2009 09:44:54 +0000
Subject: [PATCH] condition_variable: Revert inadvertent changes.

2009-12-18  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/condition_variable: Revert inadvertent changes.
	* testsuite/30_threads/condition_variable/cons/assign_neg.cc: Ditto.
	* testsuite/30_threads/condition_variable/cons/copy_neg.cc: Ditto.
	* testsuite/30_threads/condition_variable/members/1.cc: Ditto.
	* testsuite/30_threads/condition_variable/members/2.cc: Ditto.
	* testsuite/30_threads/condition_variable_any/cons/assign_neg.cc: Ditto.
	* testsuite/30_threads/condition_variable_any/cons/copy_neg.cc: Ditto.

From-SVN: r155343
---
 libstdc++-v3/include/std/condition_variable   | 20 ++++++++-----------
 .../condition_variable/cons/assign_neg.cc     |  2 +-
 .../condition_variable/cons/copy_neg.cc       |  2 +-
 .../condition_variable/members/1.cc           |  4 ++--
 .../condition_variable/members/2.cc           |  4 ++--
 .../condition_variable_any/cons/assign_neg.cc |  2 +-
 .../condition_variable_any/cons/copy_neg.cc   |  2 +-
 7 files changed, 16 insertions(+), 20 deletions(-)

diff --git a/libstdc++-v3/include/std/condition_variable b/libstdc++-v3/include/std/condition_variable
index f5e4db15c2a2..f87eb1b8d1a0 100644
--- a/libstdc++-v3/include/std/condition_variable
+++ b/libstdc++-v3/include/std/condition_variable
@@ -50,9 +50,6 @@ namespace std
    * @{
    */
 
-  /// cv_status
-  enum class cv_status { no_timeout, timeout };
-  
   /// condition_variable
   class condition_variable
   {
@@ -87,13 +84,13 @@ namespace std
       }
 
     template<typename _Duration>
-      cv_status
+      bool
       wait_until(unique_lock<mutex>& __lock,
 		 const chrono::time_point<__clock_t, _Duration>& __atime)
       { return __wait_until_impl(__lock, __atime); }
 
     template<typename _Clock, typename _Duration>
-      cv_status
+      bool
       wait_until(unique_lock<mutex>& __lock,
 		 const chrono::time_point<_Clock, _Duration>& __atime)
       {
@@ -113,14 +110,14 @@ namespace std
 		 _Predicate __p)
       {
 	while (!__p())
-	  if (wait_until(__lock, __atime) == cv_status::timeout)
+	  if (!wait_until(__lock, __atime))
 	    return __p();
 
 	return true;
       }
 
     template<typename _Rep, typename _Period>
-      cv_status
+      bool
       wait_for(unique_lock<mutex>& __lock,
 	       const chrono::duration<_Rep, _Period>& __rtime)
       { return wait_until(__lock, __clock_t::now() + __rtime); }
@@ -138,7 +135,7 @@ namespace std
 
   private:
     template<typename _Clock, typename _Duration>
-      cv_status
+      bool
       __wait_until_impl(unique_lock<mutex>& __lock,
 			const chrono::time_point<_Clock, _Duration>& __atime)
       {
@@ -157,8 +154,7 @@ namespace std
 	__gthread_cond_timedwait(&_M_cond, __lock.mutex()->native_handle(),
 				 &__ts);
 
-	return (_Clock::now() < __atime
-		? cv_status::no_timeout : cv_status::timeout);
+	return _Clock::now() < __atime;
       }
   };
 
@@ -193,7 +189,7 @@ namespace std
       wait(_Lock& __lock, _Predicate __p);
 
     template<typename _Lock, typename _Clock, typename _Duration>
-      cv_status
+      bool
       wait_until(_Lock& __lock,
 		 const chrono::time_point<_Clock, _Duration>& __atime);
 
@@ -205,7 +201,7 @@ namespace std
 		 _Predicate __p);
 
     template<typename _Lock, typename _Rep, typename _Period>
-      cv_status
+      bool
       wait_for(_Lock& __lock, const chrono::duration<_Rep, _Period>& __rtime);
 
     template<typename _Lock, typename _Rep,
diff --git a/libstdc++-v3/testsuite/30_threads/condition_variable/cons/assign_neg.cc b/libstdc++-v3/testsuite/30_threads/condition_variable/cons/assign_neg.cc
index 9e9ad8a7b03c..04e492b3f43b 100644
--- a/libstdc++-v3/testsuite/30_threads/condition_variable/cons/assign_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/condition_variable/cons/assign_neg.cc
@@ -32,4 +32,4 @@ void test01()
 }
 
 // { dg-error "used here" "" { target *-*-* } 31 }
-// { dg-error "deleted function" "" { target *-*-* } 70 }
+// { dg-error "deleted function" "" { target *-*-* } 67 }
diff --git a/libstdc++-v3/testsuite/30_threads/condition_variable/cons/copy_neg.cc b/libstdc++-v3/testsuite/30_threads/condition_variable/cons/copy_neg.cc
index 5765351554e1..0d066282f1f3 100644
--- a/libstdc++-v3/testsuite/30_threads/condition_variable/cons/copy_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/condition_variable/cons/copy_neg.cc
@@ -31,4 +31,4 @@ void test01()
 }
 
 // { dg-error "used here" "" { target *-*-* } 30 }
-// { dg-error "deleted function" "" { target *-*-* } 69 }
+// { dg-error "deleted function" "" { target *-*-* } 66 }
diff --git a/libstdc++-v3/testsuite/30_threads/condition_variable/members/1.cc b/libstdc++-v3/testsuite/30_threads/condition_variable/members/1.cc
index 127960a625db..4dea137064f0 100644
--- a/libstdc++-v3/testsuite/30_threads/condition_variable/members/1.cc
+++ b/libstdc++-v3/testsuite/30_threads/condition_variable/members/1.cc
@@ -40,8 +40,8 @@ int main()
       std::unique_lock<std::mutex> l(m);
 
       auto then = std::chrono::system_clock::now();
-      std::cv_status result = c1.wait_for(l, ms);
-      VERIFY( result == std::cv_status::timeout );
+      bool result = c1.wait_for(l, ms);
+      VERIFY( !result );
       VERIFY( (std::chrono::system_clock::now() - then) >= ms );
       VERIFY( l.owns_lock() );
     }
diff --git a/libstdc++-v3/testsuite/30_threads/condition_variable/members/2.cc b/libstdc++-v3/testsuite/30_threads/condition_variable/members/2.cc
index ab2e8776b842..fe176668aa01 100644
--- a/libstdc++-v3/testsuite/30_threads/condition_variable/members/2.cc
+++ b/libstdc++-v3/testsuite/30_threads/condition_variable/members/2.cc
@@ -40,8 +40,8 @@ int main()
       std::unique_lock<std::mutex> l(m);
 
       auto then = std::chrono::monotonic_clock::now();
-      std::cv_status result = c1.wait_until(l, then + ms);
-      VERIFY( result == std::cv_status::timeout );
+      bool result = c1.wait_until(l, then + ms);
+      VERIFY( !result );
       VERIFY( (std::chrono::monotonic_clock::now() - then) >= ms );
       VERIFY( l.owns_lock() );
     }
diff --git a/libstdc++-v3/testsuite/30_threads/condition_variable_any/cons/assign_neg.cc b/libstdc++-v3/testsuite/30_threads/condition_variable_any/cons/assign_neg.cc
index 14990a292348..473f32639b34 100644
--- a/libstdc++-v3/testsuite/30_threads/condition_variable_any/cons/assign_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/condition_variable_any/cons/assign_neg.cc
@@ -32,4 +32,4 @@ void test01()
 }
 
 // { dg-error "used here" "" { target *-*-* } 31 }
-// { dg-error "deleted function" "" { target *-*-* } 179 }
+// { dg-error "deleted function" "" { target *-*-* } 175 }
diff --git a/libstdc++-v3/testsuite/30_threads/condition_variable_any/cons/copy_neg.cc b/libstdc++-v3/testsuite/30_threads/condition_variable_any/cons/copy_neg.cc
index 1a48a9e627cf..1d06c2ded3c3 100644
--- a/libstdc++-v3/testsuite/30_threads/condition_variable_any/cons/copy_neg.cc
+++ b/libstdc++-v3/testsuite/30_threads/condition_variable_any/cons/copy_neg.cc
@@ -31,4 +31,4 @@ void test01()
 }
 
 // { dg-error "used here" "" { target *-*-* } 30 }
-// { dg-error "deleted function" "" { target *-*-* } 178 }
+// { dg-error "deleted function" "" { target *-*-* } 174 }