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[v3] assert consolidation


Moves __replacement_assert into top-level, uses __builtin_printf,
changes debug and parallel assert macros to use this top-level
definition, and changes atomic asserts to use this if -D_GLIBCXX_DEBUG.

This is the minimal version. At some point after the branch,
_GLIBCXX_PARALLEL_ASSERT and _GLIBCXX_DEBUG_ASSERT can get renamed to
__glibcxx_assert. 

tested x86_64/linux
tested x86_64/linux parallel
tested x86/darwin

-benjamin
2008-12-15  Benjamin Kosnik  <bkoz@redhat.com>

        * include/c_global/cstdatomic: Remove assert include.
        * include/debug/debug.h: Consolidate __replacement_assert...
        * include/parallel/base.h: Consolidate __replacement_assert...
        * include/bits/c++config: ...here.
        * include/bits/atomic_0.h: Use it.
        * include/bits/atomic_2.h: Same.
        * testsuite/29_atomics/atomic/cons/assign_neg.cc: Adjust line numbers.
        * testsuite/29_atomics/atomic/cons/copy_neg.cc: Same.



Index: include/debug/debug.h
===================================================================
--- include/debug/debug.h	(revision 142772)
+++ include/debug/debug.h	(working copy)
@@ -86,34 +86,10 @@
 
 #else
 
-# include <cstdio>
 # include <debug/macros.h>
 
-namespace std
-{
-  namespace __debug
-  { 
-    // Avoid the use of assert, because we're trying to keep the <cassert>
-    // include out of the mix.
-    inline void
-    __replacement_assert(const char* __file, int __line, 
-			 const char* __function, const char* __condition)
-    {
-      printf("%s:%d: %s: Assertion '%s' failed.\n", __file, __line,
-	     __function, __condition);
-      __builtin_abort();
-    }
-  } // namespace __debug
-} // namespace std
+#define _GLIBCXX_DEBUG_ASSERT(_Condition) __glibcxx_assert(_Condition)
 
-#define _GLIBCXX_DEBUG_ASSERT(_Condition)                                   \
-  do 									    \
-  {									    \
-    if (! (_Condition))                                                     \
-      std::__debug::__replacement_assert(__FILE__, __LINE__,		    \
-					 __PRETTY_FUNCTION__, #_Condition); \
-  } while (false)
-
 #ifdef _GLIBCXX_DEBUG_PEDANTIC
 # define _GLIBCXX_DEBUG_PEDASSERT(_Condition) _GLIBCXX_DEBUG_ASSERT(_Condition)
 #else
Index: include/parallel/base.h
===================================================================
--- include/parallel/base.h	(revision 142772)
+++ include/parallel/base.h	(working copy)
@@ -38,7 +38,6 @@
 #ifndef _GLIBCXX_PARALLEL_BASE_H
 #define _GLIBCXX_PARALLEL_BASE_H 1
 
-#include <cstdio>
 #include <functional>
 #include <omp.h>
 #include <parallel/features.h>
@@ -471,25 +470,8 @@
       }
   }
 
-// Avoid the use of assert, because we're trying to keep the <cassert>
-// include out of the mix. (Same as debug mode).
-inline void
-__replacement_assert(const char* __file, int __line,
-                     const char* __function, const char* __condition)
-{
-  std::printf("%s:%d: %s: Assertion '%s' failed.\n", __file, __line,
-              __function, __condition);
-  __builtin_abort();
-}
+#define _GLIBCXX_PARALLEL_ASSERT(_Condition) __glibcxx_assert(_Condition)
 
-#define _GLIBCXX_PARALLEL_ASSERT(_Condition)                            \
-do 								        \
-  {									\
-    if (!(_Condition))						   	\
-      __gnu_parallel::__replacement_assert(__FILE__, __LINE__,		\
-                                  __PRETTY_FUNCTION__, #_Condition);	\
-  } while (false)
-
 } //namespace __gnu_parallel
 
 #endif /* _GLIBCXX_PARALLEL_BASE_H */
Index: include/bits/atomic_0.h
===================================================================
--- include/bits/atomic_0.h	(revision 142772)
+++ include/bits/atomic_0.h	(working copy)
@@ -124,17 +124,17 @@
     void
     store(void* __v, memory_order __m = memory_order_seq_cst) volatile
     {
-      // XXX
-      //if (__m != memory_order_acquire && __m != memory_order_acq_rel
-      // && __m != memory_order_consume)
+      __glibcxx_assert(__m == memory_order_acquire);
+      __glibcxx_assert(__m == memory_order_acq_rel);
+      __glibcxx_assert(__m == memory_order_consume);
       _ATOMIC_STORE_(this, __v, __m);
     }
 
     void*
     load(memory_order __m = memory_order_seq_cst) const volatile
     {
-      // XXX
-      //if (__m != memory_order_release && __m != memory_order_acq_rel)
+      __glibcxx_assert(__m == memory_order_release);
+      __glibcxx_assert(__m == memory_order_acq_rel);
       return _ATOMIC_LOAD_(this, __m);
     }
 
@@ -146,11 +146,10 @@
     compare_exchange_weak(void*& __v1, void* __v2, memory_order __m1,
 			  memory_order __m2) volatile
     {
-      bool __ret = false;
-      if (__m2 != memory_order_release && __m2 != memory_order_acq_rel
-	  && __m2 <= __m1)
-	__ret = _ATOMIC_CMPEXCHNG_(this, &__v1, __v2, __m1);
-      return __ret;
+      __glibcxx_assert(__m2 == memory_order_release);
+      __glibcxx_assert(__m2 == memory_order_acq_rel);
+      __glibcxx_assert(__m2 <= __m1);
+      return _ATOMIC_CMPEXCHNG_(this, &__v1, __v2, __m1);
     }
 
     bool
@@ -165,11 +164,10 @@
     compare_exchange_strong(void*& __v1, void* __v2, memory_order __m1,
 			    memory_order __m2) volatile
     {
-      bool __ret = false;
-      if (__m2 != memory_order_release && __m2 != memory_order_acq_rel
-	  && __m2 <= __m1)
-	__ret = _ATOMIC_CMPEXCHNG_(this, &__v1, __v2, __m1);
-      return __ret;
+      __glibcxx_assert(__m2 == memory_order_release);
+      __glibcxx_assert(__m2 == memory_order_acq_rel);
+      __glibcxx_assert(__m2 <= __m1);
+      return _ATOMIC_CMPEXCHNG_(this, &__v1, __v2, __m1);
     }
 
     bool
@@ -317,16 +315,17 @@
       store(__integral_type __i,
 	    memory_order __m = memory_order_seq_cst) volatile
       {
-	// XXX
-	//if (__m != memory_order_acquire && __m != memory_order_acq_rel
-	//  && __m != memory_order_consume)
+	__glibcxx_assert(__m == memory_order_acquire);
+	__glibcxx_assert(__m == memory_order_acq_rel);
+	__glibcxx_assert(__m == memory_order_consume);
 	_ATOMIC_STORE_(this, __i, __m);
       }
 
       __integral_type
       load(memory_order __m = memory_order_seq_cst) const volatile
       {
-	// if (__m != memory_order_release && __m != memory_order_acq_rel)
+	__glibcxx_assert(__m == memory_order_release);
+	__glibcxx_assert(__m == memory_order_acq_rel);
 	return _ATOMIC_LOAD_(this, __m);
       }
 
@@ -339,11 +338,10 @@
       compare_exchange_weak(__integral_type& __i1, __integral_type __i2,
 			    memory_order __m1, memory_order __m2) volatile
       {
-	bool __ret = false;
-	if (__m2 != memory_order_release && __m2 != memory_order_acq_rel
-	    && __m2 <= __m1)
-	  __ret = _ATOMIC_CMPEXCHNG_(this, &__i1, __i2, __m1);
-	return __ret;
+	__glibcxx_assert(__m2 == memory_order_release);
+	__glibcxx_assert(__m2 == memory_order_acq_rel);
+	__glibcxx_assert(__m2 <= __m1);
+	return _ATOMIC_CMPEXCHNG_(this, &__i1, __i2, __m1);
       }
 
       bool
@@ -358,11 +356,10 @@
       compare_exchange_strong(__integral_type& __i1, __integral_type __i2,
 			      memory_order __m1, memory_order __m2) volatile
       {
-	bool __ret = false;
-	if (__m2 != memory_order_release && __m2 != memory_order_acq_rel
-	    && __m2 <= __m1)
-	  __ret = _ATOMIC_CMPEXCHNG_(this, &__i1, __i2, __m1);
-	return __ret;
+	__glibcxx_assert(__m2 == memory_order_release);
+	__glibcxx_assert(__m2 == memory_order_acq_rel);
+	__glibcxx_assert(__m2 <= __m1);
+	return _ATOMIC_CMPEXCHNG_(this, &__i1, __i2, __m1);
       }
 
       bool
Index: include/bits/atomic_2.h
===================================================================
--- include/bits/atomic_2.h	(revision 142772)
+++ include/bits/atomic_2.h	(working copy)
@@ -98,9 +98,9 @@
     void
     store(void* __v, memory_order __m = memory_order_seq_cst) volatile
     {
-      assert(__m == memory_order_acquire);
-      assert(__m == memory_order_acq_rel);
-      assert(__m == memory_order_consume);
+      __glibcxx_assert(__m == memory_order_acquire);
+      __glibcxx_assert(__m == memory_order_acq_rel);
+      __glibcxx_assert(__m == memory_order_consume);
 
       if (__m == memory_order_relaxed)
 	_M_i = __v;
@@ -116,8 +116,8 @@
     void*
     load(memory_order __m = memory_order_seq_cst) const volatile
     {
-      assert(__m == memory_order_release);
-      assert(__m == memory_order_acq_rel);
+      __glibcxx_assert(__m == memory_order_release);
+      __glibcxx_assert(__m == memory_order_acq_rel);
 
       __sync_synchronize();
       void* __ret = _M_i;
@@ -149,9 +149,9 @@
     compare_exchange_strong(void*& __v1, void* __v2, memory_order __m1,
 			    memory_order __m2) volatile
     {
-      assert(__m2 == memory_order_release);
-      assert(__m2 == memory_order_acq_rel);
-      assert(__m2 <= __m1);
+      __glibcxx_assert(__m2 == memory_order_release);
+      __glibcxx_assert(__m2 == memory_order_acq_rel);
+      __glibcxx_assert(__m2 <= __m1);
 
       void* __v1o = __v1;
       void* __v1n = __sync_val_compare_and_swap(&_M_i, __v1o, __v2);
@@ -289,9 +289,9 @@
       store(__integral_type __i,
 	    memory_order __m = memory_order_seq_cst) volatile
       {
-	assert(__m == memory_order_acquire);
-	assert(__m == memory_order_acq_rel);
-	assert(__m == memory_order_consume);
+	__glibcxx_assert(__m == memory_order_acquire);
+	__glibcxx_assert(__m == memory_order_acq_rel);
+	__glibcxx_assert(__m == memory_order_consume);
 
 	if (__m == memory_order_relaxed)
 	  _M_i = __i;
@@ -307,8 +307,8 @@
       __integral_type
       load(memory_order __m = memory_order_seq_cst) const volatile
       {
-	assert(__m == memory_order_release);
-	assert(__m == memory_order_acq_rel);
+	__glibcxx_assert(__m == memory_order_release);
+	__glibcxx_assert(__m == memory_order_acq_rel);
 
 	__sync_synchronize();
 	__integral_type __ret = _M_i;
@@ -341,9 +341,9 @@
       compare_exchange_strong(__integral_type& __i1, __integral_type __i2,
 			      memory_order __m1, memory_order __m2) volatile
       {
-	assert(__m2 == memory_order_release);
-	assert(__m2 == memory_order_acq_rel);
-	assert(__m2 <= __m1);
+	__glibcxx_assert(__m2 == memory_order_release);
+	__glibcxx_assert(__m2 == memory_order_acq_rel);
+	__glibcxx_assert(__m2 <= __m1);
 
 	__integral_type __i1o = __i1;
 	__integral_type __i1n = __sync_val_compare_and_swap(&_M_i, __i1o, __i2);
Index: include/bits/c++config
===================================================================
--- include/bits/c++config	(revision 142772)
+++ include/bits/c++config	(working copy)
@@ -271,6 +271,34 @@
 # define _GLIBCXX_WEAK_DEFINITION
 #endif
 
+// Assert.
+// Avoid the use of assert, because we're trying to keep the <cassert>
+// include out of the mix.
+#if !defined(_GLIBCXX_DEBUG) && !defined(_GLIBCXX_PARALLEL)
+#define __glibcxx_assert(_Condition)
+#else
+_GLIBCXX_BEGIN_NAMESPACE(std)
+  // Avoid the use of assert, because we're trying to keep the <cassert>
+  // include out of the mix.
+  inline void
+  __replacement_assert(const char* __file, int __line, 
+		       const char* __function, const char* __condition)
+  {
+    __builtin_printf("%s:%d: %s: Assertion '%s' failed.\n", __file, __line,
+		     __function, __condition);
+    __builtin_abort();
+  }
+_GLIBCXX_END_NAMESPACE
+
+#define __glibcxx_assert(_Condition)                               	\
+  do 								        \
+  {							      		\
+    if (! (_Condition))                                                 \
+      std::__replacement_assert(__FILE__, __LINE__, 			\
+				__PRETTY_FUNCTION__, #_Condition);	\
+  } while (false)
+#endif
+
 // The remainder of the prewritten config is automatic; all the
 // user hooks are listed above.
 
Index: include/c_global/cstdatomic
===================================================================
--- include/c_global/cstdatomic	(revision 142772)
+++ include/c_global/cstdatomic	(working copy)
@@ -52,7 +52,6 @@
 
 #include <stdatomic.h>
 #include <cstddef>
-#include <cassert> // XXX static_assert vs. constant-expression PR38502
 
 _GLIBCXX_BEGIN_NAMESPACE(std)
 
Index: testsuite/29_atomics/atomic/cons/assign_neg.cc
===================================================================
--- testsuite/29_atomics/atomic/cons/assign_neg.cc	(revision 142772)
+++ testsuite/29_atomics/atomic/cons/assign_neg.cc	(working copy)
@@ -39,19 +39,19 @@
 }
 
 // { dg-error "used here" "" { target *-*-* } 510 }
-// { dg-error "deleted function" "" { target *-*-* } 240 }
-// { dg-error "deleted function" "" { target *-*-* } 258 }
-// { dg-error "deleted function" "" { target *-*-* } 276 } 
-// { dg-error "deleted function" "" { target *-*-* } 294 }
-// { dg-error "deleted function" "" { target *-*-* } 312 }
-// { dg-error "deleted function" "" { target *-*-* } 330 }
-// { dg-error "deleted function" "" { target *-*-* } 348 }
-// { dg-error "deleted function" "" { target *-*-* } 366 }
-// { dg-error "deleted function" "" { target *-*-* } 384 }
-// { dg-error "deleted function" "" { target *-*-* } 402 }
-// { dg-error "deleted function" "" { target *-*-* } 420 }
-// { dg-error "deleted function" "" { target *-*-* } 438 }
-// { dg-error "deleted function" "" { target *-*-* } 456 }
-// { dg-error "deleted function" "" { target *-*-* } 474 }
-// { dg-error "deleted function" "" { target *-*-* } 492 }
+// { dg-error "deleted function" "" { target *-*-* } 239 }
+// { dg-error "deleted function" "" { target *-*-* } 257 }
+// { dg-error "deleted function" "" { target *-*-* } 275 } 
+// { dg-error "deleted function" "" { target *-*-* } 293 }
+// { dg-error "deleted function" "" { target *-*-* } 311 }
+// { dg-error "deleted function" "" { target *-*-* } 329 }
+// { dg-error "deleted function" "" { target *-*-* } 347 }
+// { dg-error "deleted function" "" { target *-*-* } 365 }
+// { dg-error "deleted function" "" { target *-*-* } 383 }
+// { dg-error "deleted function" "" { target *-*-* } 401 }
+// { dg-error "deleted function" "" { target *-*-* } 419 }
+// { dg-error "deleted function" "" { target *-*-* } 437 }
+// { dg-error "deleted function" "" { target *-*-* } 455 }
+// { dg-error "deleted function" "" { target *-*-* } 473 }
+// { dg-error "deleted function" "" { target *-*-* } 491 }
 // { dg-excess-errors "In member function" }
Index: testsuite/29_atomics/atomic/cons/copy_neg.cc
===================================================================
--- testsuite/29_atomics/atomic/cons/copy_neg.cc	(revision 142772)
+++ testsuite/29_atomics/atomic/cons/copy_neg.cc	(working copy)
@@ -39,19 +39,19 @@
 }
 
 // { dg-error "used here" "" { target *-*-* } 549 } 
-// { dg-error "deleted function" "" { target *-*-* } 239 }
-// { dg-error "deleted function" "" { target *-*-* } 257 }
-// { dg-error "deleted function" "" { target *-*-* } 275 }
-// { dg-error "deleted function" "" { target *-*-* } 293 }
-// { dg-error "deleted function" "" { target *-*-* } 311 }
-// { dg-error "deleted function" "" { target *-*-* } 329 }
-// { dg-error "deleted function" "" { target *-*-* } 347 }
-// { dg-error "deleted function" "" { target *-*-* } 365 }
-// { dg-error "deleted function" "" { target *-*-* } 383 }
-// { dg-error "deleted function" "" { target *-*-* } 401 }
-// { dg-error "deleted function" "" { target *-*-* } 419 }
-// { dg-error "deleted function" "" { target *-*-* } 437 }
-// { dg-error "deleted function" "" { target *-*-* } 455 }
-// { dg-error "deleted function" "" { target *-*-* } 473 }
-// { dg-error "deleted function" "" { target *-*-* } 491 }
+// { dg-error "deleted function" "" { target *-*-* } 238 }
+// { dg-error "deleted function" "" { target *-*-* } 256 }
+// { dg-error "deleted function" "" { target *-*-* } 274 }
+// { dg-error "deleted function" "" { target *-*-* } 292 }
+// { dg-error "deleted function" "" { target *-*-* } 310 }
+// { dg-error "deleted function" "" { target *-*-* } 328 }
+// { dg-error "deleted function" "" { target *-*-* } 346 }
+// { dg-error "deleted function" "" { target *-*-* } 364 }
+// { dg-error "deleted function" "" { target *-*-* } 382 }
+// { dg-error "deleted function" "" { target *-*-* } 400 }
+// { dg-error "deleted function" "" { target *-*-* } 418 }
+// { dg-error "deleted function" "" { target *-*-* } 436 }
+// { dg-error "deleted function" "" { target *-*-* } 454 }
+// { dg-error "deleted function" "" { target *-*-* } 472 }
+// { dg-error "deleted function" "" { target *-*-* } 490 }
 // { dg-excess-errors "In member function" }

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