[Bug libstdc++/52680] std::this_thread::sleep_for #ifdef'd out by _GLIBCXX_USE_NANOSLEEP

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52680

--- Comment #11 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-11-23 22:11:30 UTC ---
Author: redi
Date: Fri Nov 23 22:11:23 2012
New Revision: 193769

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193769
Log:
    PR libstdc++/52680
    * acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_TIME): Check for usleep and
    sleep if nanosleep is not available. Bump libtool revision.
    * config.h.in: Regenerate.
    * configure: Likewise.
    * config/abi/pre/gnu.ver (GLIBCXX_3.4.18): Add __sleep_for.
    * include/std/thread (this_thread::__sleep_for): Add.
    (this_thread::yield, this_thread::sleep_until, this_thread::sleep_for):
    Declare unconditionally.
    * src/c++11/thread.cc (this_thread::__sleep_for): Define.
    * testsuite/lib/libstdc++.exp (check_v3_target_nanosleep): Rename to
    check_v3_target_sleep.
    * testsuite/lib/dg-options.exp (dg-require-nanosleep): Rename to
    dg-require-sleep.
    * testsuite/30_threads/condition_variable_any/53830.cc: Update.
    * testsuite/30_threads/this_thread/2.cc: Likewise.
    * testsuite/30_threads/this_thread/3.cc: Likewise.
    * testsuite/30_threads/this_thread/4.cc: Likewise.
    * testsuite/30_threads/async/54297.cc: Likewise.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/acinclude.m4
    trunk/libstdc++-v3/config.h.in
    trunk/libstdc++-v3/config/abi/pre/gnu.ver
    trunk/libstdc++-v3/configure
    trunk/libstdc++-v3/include/std/thread
    trunk/libstdc++-v3/src/c++11/thread.cc
    trunk/libstdc++-v3/testsuite/30_threads/async/54297.cc
    trunk/libstdc++-v3/testsuite/30_threads/condition_variable_any/53830.cc
    trunk/libstdc++-v3/testsuite/30_threads/this_thread/2.cc
    trunk/libstdc++-v3/testsuite/30_threads/this_thread/3.cc
    trunk/libstdc++-v3/testsuite/30_threads/this_thread/4.cc
    trunk/libstdc++-v3/testsuite/lib/dg-options.exp
    trunk/libstdc++-v3/testsuite/lib/libstdc++.exp