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Ed Schouten 22a6d5aede Use clock_gettime()'s CLOCK_REALTIME instead of gettimeofday().

The system_clock::now() function currently uses gettimeofday(). The
problem with gettimeofday() is that it is an obsolete XSI function,
hence unavailable on CloudABI. See:

http://pubs.opengroup.org/onlinepubs/9699919799/functions/gettimeofday.html

Change this code to use clock_gettime() with CLOCK_REALTIME instead,
which is more consistent, as clock_gettime() is already used for
steady_clock.

A previous version of this change actually attempted to change
system_clock::duration, but I reverted this part as it breaks the
existing ABI.

Differential Revision:	http://reviews.llvm.org/D8253
Approved by:	jroelofs


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@237390 91177308-0d34-0410-b5e6-96231b3b80d8

2015-05-14 20:54:18 +00:00

cmake

[libcxx] Add code coverage configuration to CMake and LIT.

2015-03-31 04:15:45 +00:00

include

Implement std::experimental::sample.

2015-05-13 16:55:41 +00:00

lib

[libcxx] Add code coverage configuration to CMake and LIT.

2015-03-31 04:15:45 +00:00

src

Use clock_gettime()'s CLOCK_REALTIME instead of gettimeofday().