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[Chrono] Fix !HAVE_FUTIMENS build

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If we don't have futimens(), we fall back to futimes(), which only supports
microsecond timestamps. In that case, we need to explicitly cast away the extra
precision in setLastModificationAndAccessTime().

llvm-svn: 284977
This commit is contained in:
Pavel Labath 2016-10-24 14:19:28 +00:00
parent 0a4bdea033
commit e5a3ac2b97
1 changed files with 2 additions and 1 deletions
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lib/Support/Unix/Path.inc
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@ -451,7 +451,8 @@ std::error_code setLastModificationAndAccessTime(int FD, TimePoint<> Time) {
return std::error_code(); return std::error_code();
#elif defined(HAVE_FUTIMES) #elif defined(HAVE_FUTIMES)
timeval Times[2]; timeval Times[2];
Times[0] = Times[1] = sys::toTimeVal(Time); Times[0] = Times[1] = sys::toTimeVal(
std::chrono::time_point_cast<std::chrono::microseconds>(Time));
if (::futimes(FD, Times)) if (::futimes(FD, Times))
return std::error_code(errno, std::generic_category()); return std::error_code(errno, std::generic_category());
return std::error_code(); return std::error_code();