Summary:
- Replace instances of '#ifdef FOLLY_*' guards with '#if FOLLY_*'. This
allows the configuration system to disable the guard by defining the
value to 0 using the -D compiler flag.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: delong.j@fb.com

FB internal diff: D999129

Summary:
I missed this one in my original diff. It's a static property of the
format string and the number of arguments passed.

Test Plan:
automated tests. saw that my buggy format() call aborted instead of throwing an
exception

Reviewed By: andrei.alexandrescu@fb.com

FB internal diff: D998409
@override-unit-failures

Summary:
- int64_t is a long on x86_64, but a long long on 32-bit.
- Build a uint64_t from pthread_self() before performing masking on it.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: andrei.alexandrescu@fb.com

FB internal diff: D998598

Summary:
- Looks like libc++ doesn't support operator bool() for streams? Use
!fail() explicitly to work around this.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: andrei.alexandrescu@fb.com

FB internal diff: D998596

Summary:
- libc++ doesn't ship with this method defined. Just use Boost's version
of this instead.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: meyering@fb.com

FB internal diff: D998593

Summary:
- Clang/libc++ has a static_assert that blows when tuple_element is
invoked with a tuple of length 0. Unfortunately if we embed this
construct in an enable_if, it still gets evaluated. To work around
this, wrap this in a last_element struct and specialize the 0-element
case there explicitly.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: andrei.alexandrescu@fb.com

FB internal diff: D998591

Summary:
- Looks like the default terminate() in libc++ doesn't reflect the
exception message to stderr. Instead, it just writes a generic
message. Reflect that in the test.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: andrei.alexandrescu@fb.com

FB internal diff: D998590

Summary:
- This macro is computed based on whether or not we support x86
intrinsics in RWSpinLock.h; re-use it rather than re-computing
this (and getting it wrong).

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: oyamauchi@fb.com

FB internal diff: D998586

Summary:
- Non-GNU standard C++ libraries may have a different layout; only
report memory usage when we know we're using GNU's.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: andrei.alexandrescu@fb.com

FB internal diff: D998584

Summary:
- Apple doesn't provide timed sychronization primitives. We already
handle this in Sychronization.h, but our unit tests were being run for
all platforms.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: andrei.alexandrescu@fb.com

FB internal diff: D998581

Summary: - What it says.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: andrei.alexandrescu@fb.com

FB internal diff: D998579

Summary:
- Linux considers MAP_ANON deprecated, but it's all that Apple defines.
Manually set up a mapping of one to the other.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: mwang@fb.com

FB internal diff: D998511

Summary: - This test uses the benchmarking library, which it wasn't linking; fix.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: delong.j@fb.com

FB internal diff: D998510

Summary:
- Use PRIu64 and friends from <cinttypes> to handle uint64_t requiring
different format strings on different platforms.
- Fix lint errors.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: simpkins@fb.com

FB internal diff: D998512

Summary:
- Detect Linux and define the HAVE_LINUX autoconf macro. Use this to
elide eventfd tests in tests/Makefile.am.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: delong.j@fb.com

FB internal diff: D998507

Summary:
- By default, GCC only warns on unknown attributes. As a result our
FOLLY_HAVE_IFUNC test doesn't actually catch instances where we don't
support this.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: oyamauchi@fb.com

FB internal diff: D998506

Summary:
- On hosts with case-insensitive filesystems, adding folly/ directory to
the include path causes String.h to get picked up as <string.h>. Add
'nostdinc' to the AM_INIT_AUTOMAKE() invocation to remove these
standard includes from the set of compile flags.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: delong.j@fb.com

FB internal diff: D998505

Summary:
- Use AM_LDFLAGS rather than AM_CXXFLAGS to link against Boost.
- Link against $(BOOST_REGEX_LIB) in addition to other Boost libs.
- Add $(BOOST_LDFLAGS) to AM_LDFLAGS so that we get the library path
that we configured Boost to use.
- Add -lpthread to AM_LDFLAGS rather than ad-hoc '-lpthread' additions
to various library builds.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: oyamauchi@fb.com

FB internal diff: D998504

Summary:
- Link ConcurrentSkiplistBenchmark with $(BOOST_SYSTEM_LIB) to resolve
linker errors for boost::system symbols.

Test Plan:
- fbconfig -r folly && fbmake runtests
- ./configure && make check on Ubuntu/FC/Mac

Reviewed By: oyamauchi@fb.com

FB internal diff: D998503

Test Plan: unittest

Reviewed By: tudorb@fb.com

FB internal diff: D987910

Test Plan: fbconfig folly/test --platform=gcc-4.8.1-glibc-2.17 && fbmake dbg _bin/folly/test/range_test && _bin/folly/test/range_test

Reviewed By: tudorb@fb.com

FB internal diff: D989142

Summary: For GCC 3.6+, define a template specialization for MaxString<__uint128_t>.

@override-unit-failures

Test Plan: Unit tests

Reviewed By: andrei.alexandrescu@fb.com

FB internal diff: D995290

Summary:
It helps if you can directly see the offending URI from the error
message (specially when you dont want to handle errors and let process crash).

@override-unit-failures

Test Plan: unit-tests

Reviewed By: andrei.alexandrescu@fb.com

FB internal diff: D993025

Summary: See title. This avoids unnecessary copies when needing to access string data directly. These will throw if the dynamic isn't a string.

@override-unit-failures

Test Plan: Unit test.

Reviewed By: delong.j@fb.com

FB internal diff: D986331

Summary:
It is dangerous to pass memory into an IOBuf since usually in C++
programs, memory is allocated using `new`, while IOBuf by default frees
memory that it has taken ownership of with `free()`. For now, add a
comment warning about this (address sanitizer will warn you about this
when it happens in a live process).

Test Plan: NA

Reviewed By: tudorb@fb.com

FB internal diff: D990056

@override-unit-failures

Summary:
There were a few bugs, actually:

1. prevSize < jemallocMinInPlaceExpandable compared an element count with
a byte size; this hid the next bug for a while (as we needed 4096
ThreadLocalPtr objects in order to trigger it)

2. if rallocm(... ALLOCM_NO_MOVE) succeeds in expanding in place, we don't
increment elementsCapacity_, which is bad.

Switched to allocm() so we always take advantage of all memory that was
actually allocated.

@override-unit-failures
Clearly unrelated
+Warning: This development build of composer is over 30 days old. It
is recommended to update it by running
"hphp/test/slow/ext_phar/composer.php self-update" to get the latest
version.

Test Plan: test added, which failed before and doesn't any more

Reviewed By: lucian@fb.com

FB internal diff: D987009

Test Plan: compiled

Reviewed By: lucian@fb.com

FB internal diff: D986998

Summary: We don't test this functionality (pulling a number out as a string). Almost commited a bug this would have caught.

Test Plan: Run the test.

Reviewed By: delong.j@fb.com

FB internal diff: D987607

Summary: For testing containment and using the value in one operation.

Test Plan: Unit tests

Reviewed By: tudorb@fb.com

FB internal diff: D986986

Summary: Changed #include "..." to #include <...> where possible.

Test Plan: recompile

Reviewed By: delong.j@fb.com

FB internal diff: D986803

Test Plan: fbconfig -r folly && fbmake opt -j32

@override-unit-failures

Reviewed By: soren@fb.com

FB internal diff: D985595

Summary: String concatenation was not performed correctly in folly::Uri::authority(). This commit fixes the issue by pre-allocating enough space and buliding the string left to right.

Test Plan: Unit tests in folly/test.

Reviewed By: tudorb@fb.com

FB internal diff: D981069

Test Plan: fbstring_test, test added

Reviewed By: ngbronson@fb.com

FB internal diff: D983278

Summary:
Defines a macro to portably test whether address sanitizer is
enabled across the different compilers we use.

Test Plan:
Compiled source file with address sanitizer and verified macro
was defined.

Reviewed By: delong.j@fb.com

FB internal diff: D978196

Summary: facebook::strings::URL has an authority() method. Having the same thing for folly::Uri help converting users of the URL class. This method just takes username, password, host, and port, and builds a string in the form <username>:<password>@<host>:<port>.

Test Plan: None.

Reviewed By: rajat@fb.com

FB internal diff: D977450

Summary:
Replacing boost::shared_ptr with std::shared_ptr.

Test Plan: .

Reviewed By: andrei.alexandrescu@fb.com

FB internal diff: D932119

Summary:
It is possible for subprocess_test_parent_death_helper's child to signal
the parent between the check for "caught" and the call to "pause()", and
therefore pause() blocks forever.

Test Plan: ran the test in a loop

Reviewed By: delong.j@fb.com

FB internal diff: D979872

Test Plan: used them

Reviewed By: soren@fb.com

FB internal diff: D976393

Summary: No magic; what it says on the package.

Test Plan: atomic_bitset_test

Reviewed By: delong.j@fb.com

FB internal diff: D971875

Summary: Maybe at some point somebody won't want malloc, e.g. me.

Test Plan: Ran AtomicHashArrayTest using an mmap allocator.

Reviewed By: delong.j@fb.com

FB internal diff: D960192