This fixes some UNRESOLVED tests on (at least) Solaris and Darwin, and
disables some tests that hang forever on Solaris. A proper fix is still
needed.
libstdc++-v3/ChangeLog:
* include/bits/atomic_base.h (atomic_flag::wait): Use correct
type for __atomic_wait call.
* include/bits/atomic_timed_wait.h (__atomic_wait_until): Check
_GLIBCXX_HAVE_LINUX_FUTEX.
* include/bits/atomic_wait.h (__atomic_notify): Likewise.
* include/bits/semaphore_base.h (_GLIBCXX_HAVE_POSIX_SEMAPHORE):
Only define if SEM_VALUE_MAX or _POSIX_SEM_VALUE_MAX is defined.
* testsuite/29_atomics/atomic/wait_notify/bool.cc: Disable on
non-linux targes.
* testsuite/29_atomics/atomic/wait_notify/generic.cc: Likewise.
* testsuite/29_atomics/atomic/wait_notify/pointers.cc: Likewise.
* testsuite/29_atomics/atomic_flag/wait_notify/1.cc: Likewise.
* testsuite/29_atomics/atomic_float/wait_notify.cc: Likewise.
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