diff options
Diffstat (limited to 'libcxx/test/std/thread/thread.threads/thread.thread.this/sleep_for.pass.cpp')
-rw-r--r-- | libcxx/test/std/thread/thread.threads/thread.thread.this/sleep_for.pass.cpp | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/libcxx/test/std/thread/thread.threads/thread.thread.this/sleep_for.pass.cpp b/libcxx/test/std/thread/thread.threads/thread.thread.this/sleep_for.pass.cpp deleted file mode 100644 index 891b084dd32..00000000000 --- a/libcxx/test/std/thread/thread.threads/thread.thread.this/sleep_for.pass.cpp +++ /dev/null @@ -1,70 +0,0 @@ -//===----------------------------------------------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// UNSUPPORTED: libcpp-has-no-threads - -// This test uses the POSIX header <sys/time.h> which Windows doesn't provide -// UNSUPPORTED: windows - -// This test depends on signal behaviour until r210210, so some system libs -// don't pass. -// -// XFAIL: with_system_cxx_lib=macosx10.11 -// XFAIL: with_system_cxx_lib=macosx10.10 -// XFAIL: with_system_cxx_lib=macosx10.9 -// XFAIL: with_system_cxx_lib=macosx10.8 -// XFAIL: with_system_cxx_lib=macosx10.7 - -// <thread> - -// template <class Rep, class Period> -// void sleep_for(const chrono::duration<Rep, Period>& rel_time); - -#include <thread> -#include <cstdlib> -#include <cassert> -#include <cstring> -#include <signal.h> -#include <sys/time.h> - -void sig_action(int) {} - -#include <iostream> -int main() -{ - int ec; - struct sigaction action; - action.sa_handler = &sig_action; - sigemptyset(&action.sa_mask); - action.sa_flags = 0; - - ec = sigaction(SIGALRM, &action, nullptr); - assert(!ec); - - struct itimerval it; - std::memset(&it, 0, sizeof(itimerval)); - it.it_value.tv_sec = 0; - it.it_value.tv_usec = 250000; - // This will result in a SIGALRM getting fired resulting in the nanosleep - // inside sleep_for getting EINTR. - ec = setitimer(ITIMER_REAL, &it, nullptr); - assert(!ec); - - typedef std::chrono::system_clock Clock; - typedef Clock::time_point time_point; - typedef Clock::duration duration; - std::chrono::milliseconds ms(500); - time_point t0 = Clock::now(); - std::this_thread::sleep_for(ms); - time_point t1 = Clock::now(); - std::chrono::nanoseconds ns = (t1 - t0) - ms; - std::chrono::nanoseconds err = 5 * ms / 100; - // The time slept is within 5% of 500ms - assert(std::abs(ns.count()) < err.count()); -} |