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38 Commits

Author SHA1 Message Date
Eric Fiselier
566bcb4bad Fix most GCC attribute ignored warnings 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@267074 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-04-21 22:54:21 +00:00
Eric Fiselier
e94c1aee2b [libcxx] Fix PR15638 - Only allocate in parent when starting a thread to prevent calling terminate. 
Summary:
Hi,

When creating a new thread libc++ performs at least 2 allocations. The first allocates a tuple of args and the functor that will be passed to the new thread. The second allocation is for the thread local storage needed internally by libc++. Currently the second allocation happens in the child thread, meaning that if it throws the program will terminate with an uncaught bad alloc.

The solution to this is to allocate ALL memory in the parent thread and then pass it to the child.

See https://llvm.org/bugs/show_bug.cgi?id=15638

Reviewers: mclow.lists, danalbert, jroelofs, EricWF

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D13748

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@266851 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-04-20 02:21:33 +00:00
Evgeniy Stepanov
a3b25f81d1 Cleanup: move visibility/linkage attributes to the first declaration. 
This change moves visibility attributes from out-of-class method
definitions to in-class declaration. This is needed for a switch to
attribute((internal_linkage)) (see http://reviews.llvm.org/D13925)
which can only appear on the first declaration.

This change does not touch istream/ostream/streambuf. They are
handled separately in http://reviews.llvm.org/D14409.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@252385 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-11-07 01:22:13 +00:00
Eric Fiselier
f99b59c784 Fix use of static_assert macro with nested commas 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@245410 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-19 03:38:41 +00:00
Eric Fiselier
0376dfaca0 [libc++] Fix PR22606 - Leak pthread_key with static storage duration to ensure all of thread-local destructors are called. 
Summary:
See https://llvm.org/bugs/show_bug.cgi?id=22606 for more discussion.

Most of the changes in this patch are file reorganization to help ensure assumptions about how __thread_specific_pointer is used hold. The assumptions are:

* `__thread_specific_ptr<Tp>` is only created with a `__thread_struct` pointer.
* `__thread_specific_ptr<Tp>` can only be constructed inside the `__thread_local_data()` function.

I'll remove the comments before committing. They are there for clarity during review.

Reviewers: earthdok, mclow.lists

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D8802

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@245334 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-18 19:40:38 +00:00
Sergey Dmitrouk
fff544efbd Explicitly include <sched.h> for sched_yield() 
It might be implicitly included by <pthread.h> (and that's why it worked
so far), but it's not guaranteed (for example, this is not the case with
newlib).

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@223661 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-12-08 14:50:21 +00:00
Jonathan Roelofs
8d86b2e686 Allow libc++ to be built on systems without POSIX threads 
If you're crazy enough to want this sort of thing, then add
-D_LIBCPP_HAS_NO_THREADS to your CXXFLAGS and
--param=additiona_features=libcpp-has-no-threads to your lit commnad line.

http://reviews.llvm.org/D3969


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@217271 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-09-05 19:45:05 +00:00
Howard Hinnant
0f678bd69e Nico Rieck: this patch series fixes visibility issues on Windows as explained in <http://lists.cs.uiuc.edu/pipermail/cfe-dev/2013-August/031214.html>. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@188192 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-12 18:38:34 +00:00
Howard Hinnant
c5e8961a35 Fix stupid but harmless type-o. Fixes http://llvm.org/bugs/show_bug.cgi?id=15657. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@178691 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-03 20:29:45 +00:00
Howard Hinnant
2c0d3edf68 Add missing #ifndef _LIBCPP_NO_EXCEPTIONS around throw in include/thread. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@178237 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-28 15:00:04 +00:00
Howard Hinnant
83eade6abb No functionality change at this time. I've split _LIBCPP_VISIBLE up into two flags: _LIBCPP_TYPE_VIS and _LIBCPP_FUNC_VIS. This is in preparation for taking advantage of clang's new __type_visibility__ attribute. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@176593 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-06 23:30:19 +00:00
Howard Hinnant
33be35effe Dimitry Andric: many visibility fixes. Howard: Much appreciated. Can you send me a patch to CREDITS.TXT? 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@163862 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-14 00:39:16 +00:00
Howard Hinnant
cf115d2cc6 Change sleep_for, sleep_until, and the condition_variable timed wait 
functions to protect against duration and time_point overflow.  Since
we're about to wait anyway, we can afford to spend a few more cycles on
this checking.  I purposefully did not treat the timed try_locks with
overflow checking.  This fixes
http://llvm.org/bugs/show_bug.cgi?id=13721 .  I'm unsure if the standard
needs clarification in this area, or if this is simply QOI.  The
<chrono> facilities were never intended to overflow check, but just to
not overflow if durations stayed within +/- 292 years.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@162925 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-30 19:14:33 +00:00
Howard Hinnant
96c60b482e Patch contributed by Dev Dude for mingw64 port. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@162188 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-19 15:13:16 +00:00
Howard Hinnant
6e1d851be8 noexcept applied to <thread>. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@160606 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-21 16:50:47 +00:00
Howard Hinnant
40c13d31c5 Starting using murmur2 when combining multiple size_t's into a single hash, and also for basic_string. Also made hash<thread::id> ever so slighly more portable. I had to tweak one test which is questionable (definitely not portable) anyway. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@145795 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-05 00:08:45 +00:00
Howard Hinnant
9996844df0 Further macro protection by replacing _[A-Z] with _[A-Z]p 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@145410 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-29 18:15:50 +00:00
Howard Hinnant
8db4acad3b de-tabbify 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@142237 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 20:08:59 +00:00
Howard Hinnant
08e17472e4 Windows support by Ruben Van Boxem. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@142235 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-17 20:05:10 +00:00
Howard Hinnant
0949eedbd6 _STD -> _VSTD to avoid macro clash on windows 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@134190 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-30 21:18:19 +00:00
Howard Hinnant
57cff290a4 I had a giant misunderstanding of what 'synchronizes with' meant in [futures.async]/p5. This invalidated the current design of async in <future>. This is a new design, based on my new understanding, which has been confirmed on the lwg mailing list. The summary is that ~future() (and ~shared_future()) will block when they are created from within async, and the thread hasn't finished yet. As part of this work I created two new type traits: __invokable<F, Args...>::value and __invoke_of<F, Args...>::type. These are what result_of<F(Args...)> wanted to be when it grew up, but never will be. __invoke_of is carefully crafted so that it can serve as its own enable_if (type doesn't exist if the signature isn't invokable). All of this work is C++11 only. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@131639 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-19 15:05:04 +00:00
Howard Hinnant
656bdc3667 Brought thread variadic constructor up to current spec, which allows move-only functors and move-only arguments, but disallows functors with non-const lvalue reference parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@131413 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-16 18:40:35 +00:00
Howard Hinnant
2d72b1e393 Effort to reduce the number of exported symbols 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@122057 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 14:46:43 +00:00
Howard Hinnant
f8f852138f N3191: C++ Timeout Specification 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119909 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 19:16:30 +00:00
Howard Hinnant
b64f8b07c1 license change 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-16 22:09:02 +00:00
Howard Hinnant
726a76fb47 I have reverted all contributions made by Jesse Towner in revision 110724 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119383 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-16 21:10:23 +00:00
Howard Hinnant
5306d68019 Convert __thread_local_data to the singleton pattern 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@116500 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-14 19:18:04 +00:00
Howard Hinnant
8d7a9557b7 visibility-decoration. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@114671 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-23 17:31:07 +00:00
Howard Hinnant
73d21a4f07 Changed __config to react to all of clang's currently documented has_feature flags, and renamed _LIBCPP_MOVE to _LIBCPP_HAS_NO_RVALUE_REFERENCES to be more consistent with the rest of the libc++'s flags, and with clang's nomenclature. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@113086 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 23:28:19 +00:00
Howard Hinnant
e6e4d01553 [futures.atomic_future] and notify_all_at_thread_exit. This completes the header <future> and all of Chapter 30 (for C++0x enabled compilers). 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@113017 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 21:46:37 +00:00
Howard Hinnant
47499b162a future continues ... 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@112284 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 20:10:19 +00:00
Howard Hinnant
324bb03bb9 Fixing whitespace problems 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111750 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-22 00:02:43 +00:00
Howard Hinnant
a785e4e469 DE 23 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111746 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-21 21:01:59 +00:00
Howard Hinnant
60a0a8ef24 patch by Jesse Towner, and bug fix by Sebastian Redl 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@110724 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-10 20:48:29 +00:00
Howard Hinnant
a6a062df66 [string.conversions] 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@105336 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-02 18:20:39 +00:00
Howard Hinnant
adff4895b2 patch by Jeffrey Yasskin for porting to Ubuntu Hardy. Everything was accepted except there were some bug fixes needed in <locale> for the __nolocale_* series. For the apple branch I ended up using templates instead of the var_args solution because it seemed both safer and more efficient. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@104516 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 17:49:41 +00:00
Howard Hinnant
f5256e16df Wiped out some non-ascii characters that snuck into the copyright. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 21:36:01 +00:00
Howard Hinnant
bc8d3f97eb libcxx initial import 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 19:42:16 +00:00