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re PR libstdc++/56002 ([C++11] allow generic locks to be used without requiring plattform support for threads)

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PR libstdc++/56002
	* include/std/mutex (lock_guard, unique_lock, lock): Define without
	depending on _GLIBCXX_HAS_GTHREADS.
	* testsuite/30_threads/lock_guard/cons/1.cc: Run on all targets.

From-SVN: r196706
This commit is contained in:
Jonathan Wakely 2013-03-16 19:45:53 +00:00 committed by Jonathan Wakely
parent b722c9a2a2
commit 3442f18d26
3 changed files with 15 additions and 8 deletions
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7
libstdc++-v3/ChangeLog
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@ -1,3 +1,10 @@
2013-03-16 Jonathan Wakely <jwakely.gcc@gmail.com>
PR libstdc++/56002
* include/std/mutex (lock_guard, unique_lock, lock): Define without
depending on _GLIBCXX_HAS_GTHREADS.
* testsuite/30_threads/lock_guard/cons/1.cc: Run on all targets.
2013-03-16 Jonathan Wakely <jwakely.gcc@gmail.com>
PR libstdc++/56492

9
libstdc++-v3/include/std/mutex
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@ -45,12 +45,13 @@
#include <bits/gthr.h>
#include <bits/move.h> // for std::swap
#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
#ifdef _GLIBCXX_HAS_GTHREADS
// Common base class for std::mutex and std::timed_mutex
class __mutex_base
{
@ -384,6 +385,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
};
#endif
#endif // _GLIBCXX_HAS_GTHREADS
/// Do not acquire ownership of the mutex.
struct defer_lock_t { };
@ -719,6 +721,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
}
#ifdef _GLIBCXX_HAS_GTHREADS
/// once_flag
struct once_flag
{
@ -790,12 +793,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
if (__e)
__throw_system_error(__e);
}
#endif // _GLIBCXX_HAS_GTHREADS
// @} group mutexes
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1
#endif // _GLIBCXX_USE_C99_STDINT_TR1
#endif // C++11

7
libstdc++-v3/testsuite/30_threads/lock_guard/cons/1.cc
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@ -1,9 +1,6 @@
// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } }
// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* powerpc-ibm-aix* } }
// { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
// { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
// { dg-do run }
// { dg-options " -std=gnu++11 " }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// Copyright (C) 2010-2013 Free Software Foundation, Inc.
//