Commit Graph

16 Commits

Author SHA1 Message Date
Eelis van der Weegen 4c80e54478 shared_mutex (shared_mutex::unlock()): Fix typo.
2015-08-13  Eelis van der Weegen  <eelis@eelis.net>

	* include/std/shared_mutex (shared_mutex::unlock()): Fix typo.

From-SVN: r226862
2015-08-13 14:57:28 +01:00
Jonathan Wakely 712266515f shared_mutex (__shared_mutex_pthread, [...]): New helper types implementing the shared mutex requirements.
* include/std/shared_mutex (__shared_mutex_pthread,
	__shared_mutex_cv): New helper types implementing the shared mutex
	requirements.
	(shared_mutex): New type for C++17.
	(shared_timed_mutex): Derive from one of the new helper types.
	* testsuite/30_threads/shared_mutex/cons/1.cc: New.
	* testsuite/30_threads/shared_mutex/cons/assign_neg.cc: New.
	* testsuite/30_threads/shared_mutex/cons/copy_neg.cc: New.
	* testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
	New.
	* testsuite/30_threads/shared_mutex/try_lock/1.cc: New.
	* testsuite/30_threads/shared_mutex/try_lock/2.cc: New.

From-SVN: r224158
2015-06-05 17:31:05 +01:00
Jonathan Wakely c3d71b62c6 shared_mutex (shared_timed_mutex): Only use pthread_rwlock_t when the POSIX Timeouts option is supported.
* include/std/shared_mutex (shared_timed_mutex): Only use
	pthread_rwlock_t when the POSIX Timeouts option is supported.
	* testsuite/30_threads/shared_lock/cons/5.cc: Remove
	dg-require-gthreads-timed.
	* testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
	* testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
	* testsuite/30_threads/shared_lock/locking/4.cc: Likewise.

From-SVN: r221971
2015-04-10 10:00:00 +01:00
Jonathan Wakely 43b0e124e4 shared_mutex (shared_timed_mutex): Add comments to explain the logic in the non-pthread_rwlock_t version.
* include/std/shared_mutex (shared_timed_mutex): Add comments to
	explain the logic in the non-pthread_rwlock_t version.
	(_Mutex): Remove redundant type.
	(_M_n_readers): Rename to _S_max_readers.
	(_M_write_entered, _M_readers): New convenience functions.
	(lock, lock_shared, try_lock_shared, unlock_shared): Use convenience
	functions. Use predicates with condition variables. Simplify bitwise
	operations.
	(try_lock_for, try_shared_lock_for): Convert duration to time_point
	and call try_lock_until or try_shared_lock_until respectively.
	(try_lock_until, try_shared_lock_until): Wait on the condition
	variables until the specified time passes.
	(unlock): Add Debug Mode assertion.
	(unlock_shared): Add Debug Mode assertion.
	* testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: New.

From-SVN: r221970
2015-04-10 09:59:54 +01:00
Jonathan Wakely 5e0216f173 acinclude.m4 (GLIBCXX_CHECK_GTHREADS): Check for pthread_rwlock_t.
2015-03-18  Jonathan Wakely  <jwakely@redhat.com>
	    Torvald Riegel  <triegel@redhat.com>

	* acinclude.m4 (GLIBCXX_CHECK_GTHREADS): Check for pthread_rwlock_t.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* include/std/shared_mutex: Check _GLIBCXX_USE_PTHREAD_RWLOCK_T.
	(shared_timed_mutex::_M_rwlock): Use PTHREAD_RWLOCK_INITIALIZER.
	(shared_timed_mutex::lock_shared()): Retry on EAGAIN.
	(shared_timed_mutex::try_lock_shared_until()): Retry on EAGAIN and
	EDEADLK.

Co-Authored-By: Torvald Riegel <triegel@redhat.com>

From-SVN: r221484
2015-03-18 10:53:38 +00:00
Jonathan Wakely 85d44192f6 atomic_base.h: Use __always_inline__ instead of always_inline.
* include/bits/atomic_base.h: Use __always_inline__ instead of
	always_inline.
	* include/bits/atomic_futex.h: Likewise.
	* include/bits/c++config: Use __abi_tag__ instead of abi_tag.
	* include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp: Use
	__packed__ instead of packed.
	* include/std/shared_mutex: Use __unused__ instead of unused.
	* testsuite/17_intro/headers/c++1998/all_attributes.cc: New.
	* testsuite/17_intro/headers/c++200x/all_attributes.cc: New.
	* testsuite/17_intro/headers/c++2014/all_attributes.cc: New.

From-SVN: r220243
2015-01-29 12:47:20 +00:00
Jonathan Wakely 506f03c370 re PR target/64368 (Several libstdc++ test failures on non-linux platforms after r218964.)
PR libstdc++/64368
	* include/std/shared_mutex (shared_timed_mutex::try_lock_for,
	shared_timed_mutex::try_lock_until): Only define when POSIX thread
	timeouts option is supported.
	(shared_timed_mutex::try_shared_lock_for,
	shared_timed_mutex::try_shared_lock_until): Likewise.

From-SVN: r220161
2015-01-27 11:12:04 +00:00
Torvald Riegel 6220fdff17 libstdc++: Add POSIX variant of shared_timed_mutex.
* include/std/shared_mutex (shared_timed_mutex): Add POSIX-based
	implementation.

From-SVN: r219737
2015-01-16 13:22:00 +00:00
Jakub Jelinek 5624e564d2 Update copyright years.
From-SVN: r219188
2015-01-05 13:33:28 +01:00
Jonathan Wakely 60b6534a84 re PR libstdc++/64203 (shared_mutex compile errors on bare-metal targets)
PR libstdc++/64203
	* include/std/shared_mutex: Fix preprocessor conditions.
	* testsuite/experimental/feat-cxx14.cc: Check conditions.

From-SVN: r218511
2014-12-09 11:03:57 +00:00
Edward Smith-Rowland a15f7cb8b8 Implement SD-6: SG10 Feature Test Recommendations
2014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Implement SD-6: SG10 Feature Test Recommendations
	* internal.h (lexer_state, spec_nodes): Add in__has_include__.
	* directives.c: Support __has_include__ builtin.
	* expr.c (parse_has_include): New function to parse __has_include__
	builtin; (eval_token()): Use it.
	* files.c (_cpp_has_header()): New funtion to look for header;
	(open_file_failed()): Not an error to not find a header file for
	__has_include__.
	* identifiers.c (_cpp_init_hashtable()): Add entry for __has_include__.
	* pch.c (cpp_read_state): Lookup __has_include__.
	* traditional.c (enum ls, _cpp_scan_out_logical_line()): Walk through
	__has_include__ statements.

2014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Implement SD-6: SG10 Feature Test Recommendations
	* c-cppbuiltin.c (c_cpp_builtins()): Define language feature
	macros and the __has_header macro.

2014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Implement SD-6: SG10 Feature Test Recommendations
	* include/bits/basic_string.h: Add __cpp_lib feature test macro.
	* include/bits/stl_algobase.h: Ditto.
	* include/bits/stl_function.h: Ditto.
	* include/bits/unique_ptr.h: Ditto.
	* include/std/chrono: Ditto.
	* include/std/complex: Ditto.
	* include/std/iomanip: Ditto.
	* include/std/shared_mutex: Ditto.
	* include/std/tuple: Ditto.
	* include/std/type_traits: Ditto.
	* include/std/utility: Ditto.
	* testsuite/experimental/feat-cxx14.cc: New.
	* testsuite/experimental/feat-lib-fund.cc: New.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust.
	* testsuite/20_util/duration/literals/range.cc: Adjust.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Adjust.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Adjust.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust.
	* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
	* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
	Adjust.

2014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Implement SD-6: SG10 Feature Test Recommendations
	* g++.dg/cpp1y/feat-cxx11-neg.C: New.
	* g++.dg/cpp1y/feat-cxx11.C: New.
	* g++.dg/cpp1y/feat-cxx14.C: New.
	* g++.dg/cpp1y/feat-cxx98.C: New.
	* g++.dg/cpp1y/feat-cxx98-neg.C: New.
	* g++.dg/cpp1y/phoobhar.h: New.
	* g++.dg/cpp1y/testinc/phoobhar.h: New.

From-SVN: r215752
2014-10-01 11:49:23 +00:00
Ed Smith-Rowland 4bbfc5fa4d Rename shared_mutex to shared_timed_mutex per C++14 acceptance of N3891.
2014-02-20  Ed Smith-Rowland  <3dw4rd@verizon.net>

	Rename shared_mutex to shared_timed_mutex per C++14 acceptance of N3891.
	* include/std/shared_mutex: Rename shared_mutex to shared_timed_mutex.
	* testsuite/30_threads/shared_lock/locking/2.cc: Ditto.
	* testsuite/30_threads/shared_lock/locking/4.cc: Ditto.
	* testsuite/30_threads/shared_lock/locking/1.cc: Ditto.
	* testsuite/30_threads/shared_lock/locking/3.cc: Ditto.
	* testsuite/30_threads/shared_lock/requirements/
	explicit_instantiation.cc: Ditto.
	* testsuite/30_threads/shared_lock/requirements/typedefs.cc: Ditto.
	* testsuite/30_threads/shared_lock/cons/2.cc: Ditto.
	* testsuite/30_threads/shared_lock/cons/4.cc: Ditto.
	* testsuite/30_threads/shared_lock/cons/1.cc: Ditto.
	* testsuite/30_threads/shared_lock/cons/6.cc: Ditto.
	* testsuite/30_threads/shared_lock/cons/3.cc: Ditto.
	* testsuite/30_threads/shared_lock/cons/5.cc: Ditto.
	* testsuite/30_threads/shared_lock/modifiers/2.cc: Ditto.
	* testsuite/30_threads/shared_lock/modifiers/1.cc: Ditto.
	* testsuite/30_threads/shared_mutex/requirements/
	standard_layout.cc: Ditto.
	* testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Ditto.
	* testsuite/30_threads/shared_mutex/cons/1.cc: Ditto.
	* testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Ditto.
	* testsuite/30_threads/shared_mutex/try_lock/2.cc: Ditto.
	* testsuite/30_threads/shared_mutex/try_lock/1.cc: Ditto.

From-SVN: r207964
2014-02-20 16:06:40 +00:00
Richard Sandiford aa118a03c4 Update copyright years in libstdc++-v3/
From-SVN: r206301
2014-01-02 22:30:10 +00:00
Jonathan Wakely 25e00ab674 re PR libstdc++/57641 (std::timed_mutex.try_lock_until() is broken)
PR libstdc++/57641
	* include/std/mutex (timed_mutex, recursive_timed_mutex): Move common
	functionality to new __timed_mutex_impl mixin. Overload try_lock_until
	to handle conversion between different clocks. Replace constrained
	__try_lock_for_impl overloads with conditional increment.
	* include/std/shared_mutex (shared_mutex::_Mutex): Use the new mixin.
	* testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: New.

From-SVN: r200180
2013-06-18 23:55:02 +01:00
Jonathan Wakely 2081281b10 shared_mutex (shared_lock::operator=): Add missing return statement.
* include/std/shared_mutex (shared_lock::operator=): Add missing
	return statement.

From-SVN: r200141
2013-06-16 22:56:43 +01:00
Jonathan Wakely 8d2cddc125 shared_mutex: Implement N3659.
* include/std/shared_mutex: Implement N3659.
	* include/bits/c++14_warning.h: New.
	* include/Makefile.am: Add new headers.
	* include/Makefile.in: Regenerate.
	* testsuite/30_threads/shared_lock/cons/1.cc: New.
	* testsuite/30_threads/shared_lock/locking/2.cc: New.
	* testsuite/30_threads/shared_lock/cons/2.cc: New.
	* testsuite/30_threads/shared_lock/locking/3.cc: New.
	* testsuite/30_threads/shared_lock/cons/3.cc: New.
	* testsuite/30_threads/shared_lock/locking/4.cc: New.
	* testsuite/30_threads/shared_lock/cons/4.cc: New.
	* testsuite/30_threads/shared_lock/modifiers/1.cc: New.
	* testsuite/30_threads/shared_lock/cons/5.cc: New.
	* testsuite/30_threads/shared_lock/modifiers/2.cc: New.
	* testsuite/30_threads/shared_lock/cons/6.cc: New.
	* testsuite/30_threads/shared_lock/requirements/
	explicit_instantiation.cc: New.
	* testsuite/30_threads/shared_lock/locking/1.cc: New.
	* testsuite/30_threads/shared_lock/requirements/typedefs.cc: New.
	* testsuite/30_threads/shared_mutex/cons/1.cc: New.
	* testsuite/30_threads/shared_mutex/cons/assign_neg.cc: New.
	* testsuite/30_threads/shared_mutex/cons/copy_neg.cc: New.
	* testsuite/30_threads/shared_mutex/requirements/
	standard_layout.cc: New.
	* testsuite/30_threads/shared_mutex/try_lock/1.cc: New.
	* testsuite/30_threads/shared_mutex/try_lock/2.cc: New.

From-SVN: r200134
2013-06-16 17:35:06 +01:00