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| author | Jonathan Wakely <jwakely.gcc@gmail.com> | 2012-08-12 18:57:53 +0000 |
|---|---|---|
| committer | Jonathan Wakely <redi@gcc.gnu.org> | 2012-08-12 19:57:53 +0100 |
| commit | 3722862e60b5b82c9ac41ad172bbf0e8e8be54ee (patch) | |
| tree | 096d2aadc7d6a2c52795e08323721a1095c0e944 | |
| parent | 874a3756f295f5373e66fd07841096a5f17b5651 (diff) | |
| download | gcc-3722862e60b5b82c9ac41ad172bbf0e8e8be54ee.zip gcc-3722862e60b5b82c9ac41ad172bbf0e8e8be54ee.tar.gz gcc-3722862e60b5b82c9ac41ad172bbf0e8e8be54ee.tar.bz2 | |
re PR libstdc++/52681 ([C++11] Using std::thread without -pthread crashes without warning)
PR libstdc++/52681
* src/c++11/thread.cc (thread::_M_start_thread): Improve error text
when threads are not enabled.
From-SVN: r190330
| -rw-r--r-- | libstdc++-v3/ChangeLog | 6 | ||||
| -rw-r--r-- | libstdc++-v3/src/c++11/thread.cc | 5 |
2 files changed, 11 insertions, 0 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index f33aef8..69303ab 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,9 @@ +2012-08-12 Jonathan Wakely <jwakely.gcc@gmail.com> + + PR libstdc++/52681 + * src/c++11/thread.cc (thread::_M_start_thread): Improve error text + when threads are not enabled. + 2012-08-09 Jonathan Wakely <jwakely.gcc@gmail.com> * acinclude.m4: Update references to final C++11 standard. diff --git a/libstdc++-v3/src/c++11/thread.cc b/libstdc++-v3/src/c++11/thread.cc index ff034b1..5c10832 100644 --- a/libstdc++-v3/src/c++11/thread.cc +++ b/libstdc++-v3/src/c++11/thread.cc @@ -115,7 +115,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION thread::_M_start_thread(__shared_base_type __b) { if (!__gthread_active_p()) +#if __EXCEPTIONS + throw system_error(make_error_code(errc::operation_not_permitted), + "Enable multithreading to use std::thread"); +#else __throw_system_error(int(errc::operation_not_permitted)); +#endif __b->_M_this_ptr = __b; int __e = __gthread_create(&_M_id._M_thread, |