Thomas Rodgers
83a1beee27
libstdc++: Add C++2a synchronization support
Add support for -
* atomic_flag::wait/notify_one/notify_all
* atomic::wait/notify_one/notify_all
* counting_semaphore
* binary_semaphore
* latch
libstdc++-v3/ChangeLog:
* include/Makefile.am (bits_headers): Add new header.
* include/Makefile.in: Regenerate.
* include/bits/atomic_base.h (__atomic_flag::wait): Define.
(__atomic_flag::notify_one): Likewise.
(__atomic_flag::notify_all): Likewise.
(__atomic_base<_Itp>::wait): Likewise.
(__atomic_base<_Itp>::notify_one): Likewise.
(__atomic_base<_Itp>::notify_all): Likewise.
(__atomic_base<_Ptp*>::wait): Likewise.
(__atomic_base<_Ptp*>::notify_one): Likewise.
(__atomic_base<_Ptp*>::notify_all): Likewise.
(__atomic_impl::wait): Likewise.
(__atomic_impl::notify_one): Likewise.
(__atomic_impl::notify_all): Likewise.
(__atomic_float<_Fp>::wait): Likewise.
(__atomic_float<_Fp>::notify_one): Likewise.
(__atomic_float<_Fp>::notify_all): Likewise.
(__atomic_ref<_Tp>::wait): Likewise.
(__atomic_ref<_Tp>::notify_one): Likewise.
(__atomic_ref<_Tp>::notify_all): Likewise.
(atomic_wait<_Tp>): Likewise.
(atomic_wait_explicit<_Tp>): Likewise.
(atomic_notify_one<_Tp>): Likewise.
(atomic_notify_all<_Tp>): Likewise.
* include/bits/atomic_wait.h: New file.
* include/bits/atomic_timed_wait.h: New file.
* include/bits/semaphore_base.h: New file.
* include/std/atomic (atomic<bool>::wait): Define.
(atomic<bool>::wait_one): Likewise.
(atomic<bool>::wait_all): Likewise.
(atomic<_Tp>::wait): Likewise.
(atomic<_Tp>::wait_one): Likewise.
(atomic<_Tp>::wait_all): Likewise.
(atomic<_Tp*>::wait): Likewise.
(atomic<_Tp*>::wait_one): Likewise.
(atomic<_Tp*>::wait_all): Likewise.
* include/std/latch: New file.
* include/std/semaphore: New file.
* include/std/version: Add __cpp_lib_semaphore and
__cpp_lib_latch defines.
* testsuite/29_atomics/atomic/wait_notify/bool.cc: New test.
* testsuite/29_atomics/atomic/wait_notify/pointers.cc: Likewise.
* testsuite/29_atomics/atomic/wait_notify/generic.cc: Liekwise.
* testsuite/29_atomics/atomic_flag/wait_notify/1.cc: Likewise.
* testsuite/29_atomics/atomic_float/wait_notify.cc: Likewise.
* testsuite/29_atomics/atomic_integral/wait_notify.cc: Likewise.
* testsuite/29_atomics/atomic_ref/wait_notify.cc: Likewise.
* testsuite/30_threads/semaphore/1.cc: New test.
* testsuite/30_threads/semaphore/2.cc: Likewise.
* testsuite/30_threads/semaphore/least_max_value_neg.cc: Likewise.
* testsuite/30_threads/semaphore/try_acquire.cc: Likewise.
* testsuite/30_threads/semaphore/try_acquire_for.cc: Likewise.
* testsuite/30_threads/semaphore/try_acquire_posix.cc: Likewise.
* testsuite/30_threads/semaphore/try_acquire_until.cc: Likewise.
* testsuite/30_threads/latch/1.cc: New test.
* testsuite/30_threads/latch/2.cc: New test.
* testsuite/30_threads/latch/3.cc: New test.
* testsuite/util/atomic/wait_notify_util.h: New File.
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