folly.git
9 years agoFix #includes
Nicholas Ormrod [Thu, 21 Aug 2014 19:44:48 +0000 (12:44 -0700)]
Fix #includes

Summary:
A few of folly's includes do not start with folly/, and so were
missed by D1411225's include-quotation ##""## -> ##<>## transformation change.
There were also some folly includes in deeper folly directories and the
docs, which I also fixed.

The search ##egrep "# *include *\"" -R folly/*## now only includes two
lines in FBString.h, which are included for libgcc purposes.

The wangle/test/Thens.cpp file, which is auto-generated, was special.
I changed the generator .rb script, but when I ran it I overwrote some
manual changes to Thens.cpp. For simplicity, I have manually applied the
change to Thens.cpp as well.

Test Plan: fbconfig -r folly && fbmake runtests

Reviewed By: hannesr@fb.com

Subscribers: sdwilsh, fugalh

FB internal diff: D1511712

9 years agofbcode: __x__-protect all __attribute__ keywords, mechanically
Jim Meyering [Sun, 17 Aug 2014 21:34:32 +0000 (14:34 -0700)]
fbcode: __x__-protect all __attribute__ keywords, mechanically

Summary:
The first (and sometimes 2nd) argument to __attribute__
should begin and end with "__". If it does not, then it
is at risk of conflicting with user cpp-defined symbols.
Don't do that.  This change mechanically corrects most
such violations in fbcode.  A companion change (see parent task)
adds a lint rule to help keep things clean going forwards.

Define this function to filter the list of file names to which
we will apply the transformations. First, ensure we modify only
C and C++ sources.  The second process excludes a few directories
that appear to contain third-party code:

filter() {
grep -E '\.(c|h|cc|cpp|hpp)$' | grep -vE \
'^external/|/unbound/|/gearmand_|(3rd|third.)party|/external/libevent'
}

then, run this command,

git grep -l __attribute__ | filter \
| xargs perl -pi -e 's/(__attribute__ *)\(\(( *[^_]\w+)/$1((__${2}__/g'

inducing changes like this, for each such keyword:

-} __attribute__((packed));
+} __attribute__((__packed__));

That got all but the __format__ archetype arguments like this:
__attribute__((__format__(printf.  That final "printf"
keyword should have the "__" prefix and suffix, too.

Run this command to transform those remaining uses:

git grep -l '__attribute__.*__format' | filter | xargs perl -pi -e \
's/(__attribute__ *\(\(__format__ *)\( *(printf|scanf|strftime|strfmon)/$1(__${2}__/g'

That command induces changes like this:

-static inline int __attribute__ ((__format__ (printf, 3, 4)))
+static inline int __attribute__ ((__format__ (__printf__, 3, 4)))

This exercise is useful to avoid spurious name-space conflicts,
especially when the unprotected keyword is used in a header file.

Test Plan:
I've ensured tao builds and passes its tests.
I will watch the arc-run tests.

Reviewed By: njormrod@fb.com

Subscribers: rounak, trunkagent, hphp-diffs@, nli, ps, fbcode-common-diffs@, mcdonald, chaoyc, bill, search-fbcode-diffs@, lars, net-systems@, davejwatson, varunk, ruibalp, hero-diffs@, andrewcox, sorg, dfechete, dhruba, sdoroshenko, mcduff, marccelani, hitesh, mshneer, cold-storage-diffs@, omry, jcoens, unicorn-diffs@, ldbrandy, sumeet, abirchall, fugalh, atlas2-eng@, dcapra, mpawlowski, alandau, nkgupta, shilin, bmatheny, everstore-dev@, zhuohuang, wormhole-diffs@, vnalla, msk, maoy, mwa, jgehring, adsatlasreporting@, mconnor, oujin, bwester, micha, tulloch, ptc, logdevice-diffs, alikhtarov, shikong, fuegen

FB internal diff: D1508983

Tasks: 4947824
@override-unit-failures

9 years agoAdd link-local scope handling
Dave Watson [Fri, 8 Aug 2014 18:28:15 +0000 (11:28 -0700)]
Add link-local scope handling

Summary: Also save the link-local scope in the V6 address.  See D1479365 for more details

Test Plan: fbconfig folly/test:network_address_test; fbmake runtests

Reviewed By: simpkins@fb.com

Subscribers: marccelani, doug, ps, bmatheny

FB internal diff: D1486435

9 years agomade toAppendDelim better
Marcin Pawlowski [Wed, 20 Aug 2014 05:25:05 +0000 (22:25 -0700)]
made toAppendDelim better

Summary:
preallocate once and for all, so that we
are really malloc efficient in toAppendDelim

Test Plan: unit tests

Reviewed By: marcelo.juchem@fb.com

FB internal diff: D1496310

Tasks: 4886092

9 years agoFix Optional test for -fb platform
Nicholas Ormrod [Wed, 20 Aug 2014 01:23:44 +0000 (18:23 -0700)]
Fix Optional test for -fb platform

Summary:
The Optional test relied on std::string clearing its data when
it is the source of a move. This does not happen for in-situ fbstrings,
so the test breaks in the -fb platform. The solution: wrap the string in
a class that explicitly invalidates its data upon a move.

Test Plan:
fbconfig --platform-all=gcc-4.8.1-glibc-2.17-fb -r folly
fbmake runtests
fbconfig -r folly
fbmake runtests

Reviewed By: tudorb@fb.com

Subscribers: sdwilsh

FB internal diff: D1506840

Tasks: 4943996

9 years agohash_range
Tom Jackson [Thu, 14 Aug 2014 05:17:05 +0000 (22:17 -0700)]
hash_range

Test Plan: Unit test

Reviewed By: andrei.alexandrescu@fb.com

Subscribers: shilin

FB internal diff: D1497250

9 years ago(Wangle) Optimize empty continuation
Hannes Roth [Tue, 19 Aug 2014 22:26:47 +0000 (15:26 -0700)]
(Wangle) Optimize empty continuation

Summary: It should remove one malloc as per the task.

Test Plan: `fbconfig folly/wangle && fbmake runtests` Also, `--clang`.

Reviewed By: davejwatson@fb.com

Subscribers: fugalh

FB internal diff: D1498331

Tasks: 4913277

9 years agoAdd Optional::value_or
Tudor Bosman [Sat, 16 Aug 2014 22:09:20 +0000 (15:09 -0700)]
Add Optional::value_or

Summary:
Common pattern: a function returns Optional<X>, indicating whether some X was
present or not; you want a default value if the X was not present. Requires
that X is copiable.

Test Plan: optional_test (test added)

Reviewed By: tjackson@fb.com

Subscribers: aalexandre, fjargsto, jhj, ntv, lesha, kma

FB internal diff: D1502397

9 years agoFix json_test's lookup of test files.
Jez Ng [Tue, 19 Aug 2014 00:33:23 +0000 (17:33 -0700)]
Fix json_test's lookup of test files.

Summary:
The test runner for folly seems to run from folly/test rather than the base fbcode directory. This hack ensures that we find the necessary test files in either case.

This fixes the breakage introduced by {D1493963}.

Test Plan: fbconfig -r folly && fbmake runtests

Reviewed By: davejwatson@fb.com

Subscribers: dipanshu

FB internal diff: D1502161

9 years agoEnabling folly::Synchronized for non-default constructible objects
Andrey Kashin [Mon, 18 Aug 2014 19:08:19 +0000 (12:08 -0700)]
Enabling folly::Synchronized for non-default constructible objects

Summary:
Currently folly::Synchronized can't be used with non-default
constructible types because copy and move constructors require
creation of datum_ before it's assignment.
To fix this we can initialize them in initializer-list and
handle guard creation using helper constructor

Test Plan:
fbconfig -r folly && fbmake runtests
Fixes compilation error: Synchronized started working for non-default
constructible types in my project(rfe).

Reviewed By: yuri@fb.com

Subscribers: dhruvbird

FB internal diff: D1502110

9 years agoClang Love
Darren Mo [Sun, 17 Aug 2014 00:32:54 +0000 (17:32 -0700)]
Clang Love

Summary: Added support for clang in Checksum.cpp preprocessor statements.

Test Plan: The right code path is chosen using both gcc and clang now.

Reviewed By: brianp@fb.com

Subscribers: mathieubaudet, sroy, satadru

FB internal diff: D1502289

9 years agoFactor out JSON stripComments().
Jez Ng [Fri, 15 Aug 2014 17:29:26 +0000 (10:29 -0700)]
Factor out JSON stripComments().

Summary:
Comments are a useful extension to JSON, especially for configuration files.

Facebook: twagent would previously barf on JSON files that contained '//' in their strings, and this commit allows twagent to strip comments properly. Fixes T4686066.

Test Plan: fbconfig common/json mcrouter/lib/config tupperware/agent && fbmake runtests

Reviewed By: aravindn@fb.com

Subscribers: anarayanan, pavlo, stepan, dipanshu, alikhtarov

FB internal diff: D1493963

Tasks: 4686066

9 years agoBump version to 3:2
Sara Golemon [Fri, 15 Aug 2014 05:38:03 +0000 (22:38 -0700)]
Bump version to 3:2

9 years agodon't use readFromSysfs on non-linux
Sara Golemon [Fri, 15 Aug 2014 05:30:58 +0000 (22:30 -0700)]
don't use readFromSysfs on non-linux

Summary:
It eventually tries to read from /sys/devices which is not portable.
Let's just fall back to sysconf/CacheLocality::uniform.

This fixes a runtime crash on OSX, but CYGWIN/BSD were probably also
affected.
Closes #80

@override-unit-failures

Test Plan: author tested, contbuild, flib

Reviewed By: joelm@fb.com

FB internal diff: D1498567

9 years agoAdd missing s6_addr16 define for MacOSX targets
Sara Golemon [Fri, 15 Aug 2014 04:53:49 +0000 (21:53 -0700)]
Add missing s6_addr16 define for MacOSX targets

Summary:
This is a known issue on Darwin

@override-unit-failures

Test Plan: folly/detail/IPAddress.h compiles on a mac

Reviewed By: joelm@fb.com

FB internal diff: D1499795

9 years agoBump version to 3:1
Sara Golemon [Fri, 15 Aug 2014 02:19:11 +0000 (19:19 -0700)]
Bump version to 3:1

9 years agobe explicit about what integer type we're using
Daniel Sloof [Thu, 14 Aug 2014 21:12:19 +0000 (14:12 -0700)]
be explicit about what integer type we're using

Summary:
Fixes the OSX build.
Closes #79

Test Plan: author tested, contbuild, flib

Reviewed By: joelm@fb.com

FB internal diff: D1498545

9 years agoBump version to 3:0
Sara Golemon [Thu, 14 Aug 2014 18:49:22 +0000 (11:49 -0700)]
Bump version to 3:0

9 years ago(Wangle) Generic void star callback wrapper
Hannes Roth [Thu, 14 Aug 2014 15:52:49 +0000 (08:52 -0700)]
(Wangle) Generic void star callback wrapper

Summary: Less generic than I hoped for. Naming is terrible.

Test Plan:
`fbconfig -r tao/client && fbmake runtests` -- I figured if it compiles
it works. Also did a `--sanitize=address` build just in case.

Reviewed By: hans@fb.com

Subscribers: fugalh, zhuohuang, anca

FB internal diff: D1470483

9 years agofix build (gtest 1.6 -> 1.7)
Philip Pronin [Thu, 14 Aug 2014 07:07:59 +0000 (00:07 -0700)]
fix build (gtest 1.6 -> 1.7)

Summary:
D1494614 migrated us to gtest 1.7 which broke multiple builds (with
"error: 'tuple' is already declared in this scope" coming from
https://code.google.com/p/googletest/source/detail?spec=svn621&r=621).
This diff makes folly compatible with both versions of gtest, and the rest
of fbcode is now compatible with gtest 1.7.

Test Plan: fbconfig -r folly unicorn/diskindex4 && fbmake opt -j32

Reviewed By: jiayan@fb.com

Subscribers: fbcode-common-diffs@, chaoyc, search-fbcode-diffs@, sdoroshenko, cold-storage-diffs@, unicorn-diffs@

FB internal diff: D1497389

Tasks: 4909974491054749105674909983

9 years agomove EvictingCacheMap to folly
Ranjeeth Dasineni [Thu, 7 Aug 2014 07:34:11 +0000 (00:34 -0700)]
move EvictingCacheMap to folly

Summary:
adding @agartrell's implementation of EvictingCacheMap to folly. Its a general purpose
cache with LRU eviction. It maintains a doubly linked list threaded throught a hash map using
boost::intrusive. set, get and delete are all constant time operations.  It is not thread safe.

Configurability: It allows callers to specify a hasher for the keys, has callbacks for eviction
events and the number of evictions on reaching a capacity limit is configurable. resizing for
a higher capacity though could be suboptimal since index is not resized accordingly and you could
end up with a bad load factor.

Test Plan: unit tests

Reviewed By: tulloch@fb.com, njormrod@fb.com

Subscribers: tulloch, chrisbray, mhx, doug, agartrell

FB internal diff: D1483789

9 years agoRemove constructor version attribute on OS X
Josh Watzman [Wed, 13 Aug 2014 22:05:12 +0000 (15:05 -0700)]
Remove constructor version attribute on OS X

Summary:
OS X doesn't support this -- it requires support at the linker
level which OS X just doesn't have. Reasonable OS X compilers will yell
about it, but even the ones that don't are just silently dropping it
on the floor.

So I'm not sure what //we// can do other than just silently dropping
this on the floor too and hoping that everything works.

Test Plan:
HHVM build on OS X gets ever so slightly further (runs into
other issues). HHVM build in fbcode still seems to build folly okay
(didn't wait for it to finish fully).

Fixes https://github.com/facebook/folly/issues/78

Reviewed By: tudorb@fb.com

FB internal diff: D1487191

Blame Revision: rFBCODE502be7cb0fda306ddc33b9c5ad7a53b0cfbdc893

9 years agoSmall memory footprint reduction for folly::MultiLevelTimeSeries
Brian Pane [Wed, 13 Aug 2014 06:00:02 +0000 (23:00 -0700)]
Small memory footprint reduction for folly::MultiLevelTimeSeries

Summary:
* Spend some extra time in getNumBuckets() in order to save
space: 8 bytes per object on 64-bit platforms.

Test Plan: Ran the unit tests

Reviewed By: simpkins@fb.com

Subscribers: ruibalp

FB internal diff: D1488345

9 years agofolly: operator << for MutableStringPiece
Lucian Grijincu [Tue, 12 Aug 2014 01:14:21 +0000 (18:14 -0700)]
folly: operator << for MutableStringPiece

Test Plan: n.a

Reviewed By: philipp@fb.com

FB internal diff: D1487919

9 years agoalways log from LOG_EVERY_MS if interval is <= 0
Nathan Bronson [Thu, 31 Jul 2014 06:08:17 +0000 (23:08 -0700)]
always log from LOG_EVERY_MS if interval is <= 0

Summary:
This diff changes LOG_EVERY_MS so that if the specified
interval is zero or negative, no clock call is made and LOG(severity) is
always called.  milli_interval is copied into a temporary to avoid
double-evaluation.

Test Plan:
1. unit tests
2. new unit test

Reviewed By: lesha@fb.com

FB internal diff: D1469366

Tasks: 4813858

9 years agoFix test breakage in clang
Chip Turner [Fri, 8 Aug 2014 10:41:20 +0000 (03:41 -0700)]
Fix test breakage in clang

Summary:
clang would re-use the same memory location for recreated
objects, so instead of checking pointers, we can use a serial number.

Test Plan: runtests with fbconfig --clang

Reviewed By: lins@fb.com

Subscribers: mathieubaudet, lins, anca

FB internal diff: D1485907

9 years agostore ipaddresses in folly::IPAddress
Marc Celani [Thu, 7 Aug 2014 20:24:05 +0000 (13:24 -0700)]
store ipaddresses in folly::IPAddress

Summary: Save space and avoid extra mallocs

Test Plan: fbconfig -r smc/zeus; fbmake runtests

Reviewed By: henryf@fb.com

Subscribers: zeus-diffs@

FB internal diff: D1476688

Tasks: 4832974

9 years agoAdd timed_wait and try_wait to Baton
Sarang Masti [Thu, 31 Jul 2014 00:45:16 +0000 (17:45 -0700)]
Add timed_wait and try_wait to Baton

Summary:
This diff adds timed_wait that allows waiting on the Baton
with a timeout. The diff also adds try_wait which doesn't
block the thread at all.

Test Plan:
-- added new unit tests
-- ran all folly tests

Reviewed By: ngbronson@fb.com

Subscribers: bwatling

FB internal diff: D1468909

Tasks: 4679428

9 years agoEliasFanoReader::{jump,jumpTo}
Philip Pronin [Sat, 2 Aug 2014 08:48:46 +0000 (01:48 -0700)]
EliasFanoReader::{jump,jumpTo}

Summary:
Renamed `goTo` to `jump`, introduced `jumpTo`.

FBCode: Updated CSS tree benchmark to compare with EF-based search that
is using `jumpTo` (P14517259).

Test Plan: fbconfig -r folly/experimental/test:eliasfano_test && fbmake runtests_opt -j32

@override-unit-failures

Reviewed By: lucian@fb.com

Subscribers: fbcode-common-diffs@

FB internal diff: D1474431

Tasks: 4536072

9 years agoImprove IPAddress::toFullyQualified() CPU performance
Henry Filgueiras [Wed, 6 Aug 2014 18:39:55 +0000 (11:39 -0700)]
Improve IPAddress::toFullyQualified() CPU performance

Summary:
Currently IPAddress::toFullyQualified() is fairly slow for IPv6.

Change here implements more lightweight in_addr/in6_addr to string functions.

I also added a benchmark for comparison with inet_ntop.

This makes IPAddressV6::toFullyQualified() significantly faster than inet_ntop, and makes IPAddressV4::str() ~20ns faster than previous impementation (previously ~80ns).

Previous benchmark:
============================================================================
folly/test/IPAddressBenchmark.cpp               relative  time/iter  iters/s
============================================================================
ipv4_to_string_inet_ntop                                   238.91ns    4.19M
ipv4_to_fully_qualified                          289.96%    82.39ns   12.14M
----------------------------------------------------------------------------
ipv6_to_string_inet_ntop                                   780.72ns    1.28M
ipv6_to_fully_qualified                           51.11%     1.53us  654.59K
============================================================================

With this change:
============================================================================
folly/test/IPAddressBenchmark.cpp               relative  time/iter  iters/s
============================================================================
ipv4_to_string_inet_ntop                                   238.06ns    4.20M
ipv4_to_fully_qualified                          364.76%    65.26ns   15.32M
----------------------------------------------------------------------------
ipv6_to_string_inet_ntop                                   770.74ns    1.30M
ipv6_to_fully_qualified                          791.63%    97.36ns   10.27M
============================================================================

Test Plan:
fbconfig folly/test:network_address_test folly/test:network_address_benchmark
fbmake runtests_opt

Reviewed By: simpkins@fb.com

Subscribers: ps, bmatheny

FB internal diff: D1477925

Tasks: 4832974

9 years agofolly/test: correct an erroneous test for failed mmap
Jim Meyering [Tue, 5 Aug 2014 20:16:15 +0000 (13:16 -0700)]
folly/test: correct an erroneous test for failed mmap

Summary:
* folly/test/AtomicHashArrayTest.cpp (MmapAllocator):
Upon failure, mmap returns MAP_FAILED, not NULL.

Test Plan:
fbconfig -r folly/test:atomic_hash_array_test && fbmake runtests

Reviewed By: mwang@fb.com

FB internal diff: D1481080

Tasks: 4846893

9 years agostreaming support for EF compression
Philip Pronin [Sun, 3 Aug 2014 00:33:03 +0000 (17:33 -0700)]
streaming support for EF compression

Test Plan: fbconfig -r folly/experimental/test:eliasfano_test && fbmake opt -j32

Reviewed By: lucian@fb.com

Subscribers: chaoyc, search-fbcode-diffs@, unicorn-diffs@

FB internal diff: D1474625

Tasks: 4828866

9 years agofolly/IndexedMemPool: correct an erroneous test for failed mmap
Jim Meyering [Tue, 5 Aug 2014 18:45:25 +0000 (11:45 -0700)]
folly/IndexedMemPool: correct an erroneous test for failed mmap

Summary:
* folly/IndexedMemPool.h (IndexedMemPool): Correct the test for
failed mmap.  Upon failure, it returns MAP_FAILED, not nullptr.

Test Plan:
fbconfig -r folly/test:indexed_mem_pool_test && fbmake runtests

Reviewed By: ngbronson@fb.com

FB internal diff: D1480389

Tasks: 4846893
@override-unit-failures

9 years agosorted_vector containers have a shrink_to_fit() method
Marc Celani [Tue, 5 Aug 2014 13:04:24 +0000 (06:04 -0700)]
sorted_vector containers have a shrink_to_fit() method

Summary: Adds a shrink_to_fit() method to sorted vector types.

Test Plan: unit test

Reviewed By: mshneer@fb.com

FB internal diff: D1477864

9 years agoDon't check for thread running in terminateLoopSoon()
Marc Horowitz [Fri, 11 Jul 2014 23:48:20 +0000 (16:48 -0700)]
Don't check for thread running in terminateLoopSoon()

Summary:
Consider this use case:
thread 1:
make an evb
create and start thread 2
do some work
evb->terminateLoopSoon()
join thread 2 with a timeout
thread 2:
do some initialization
evb->loop()
Normally, this all works fine.  However, if the work thread 1 has to do is sufficiently small, and no external input occurs (one of the thing the evb is doing is listening on a socket), then sometimes, terminateLoopSoon() happens before loop() is called (or at least, before loopThread_.store() happens). isRunning() in terminateLoopSoon() is false, and so stop_ is never set, and event_base_loopbreak() is never called. The join times out, and thread 2 is still running.  Removing the isRunning() check gives the desired behavior.

Test Plan:
In my ad hoc tests, this fix caused my threads to exit when
I wanted them to exit in a situation like the one above.

Reviewed By: andrewcox@fb.com

FB internal diff: D1455885

Tasks: 2057547

9 years agorfc: move folly::json::ParseError type to folly/json.h
Ranjeeth Dasineni [Fri, 1 Aug 2014 03:01:24 +0000 (20:01 -0700)]
rfc: move folly::json::ParseError type to folly/json.h

Summary:
I don't know why this was in the cpp but seems pretty safe to move it to the .h
There are a few files that directly include json.cpp to get around this: https://fburl.com/30544625.
I need it for something else and if you dont see a problem I want to move it.

Test Plan: unittests

Reviewed By: pgriess@fb.com

Subscribers: simpkins, doug

FB internal diff: D1471958

Tasks: 3623725

9 years agoEliasFanoReader::goTo()
Philip Pronin [Fri, 1 Aug 2014 20:13:03 +0000 (13:13 -0700)]
EliasFanoReader::goTo()

Summary: Random lookup support.

Test Plan: fbconfig -r folly/experimental/test:eliasfano_test && fbmake runtests_opt -j32

@override-unit-failures

Reviewed By: soren@fb.com

FB internal diff: D1473244

Tasks: 4536072

9 years agoAPI for getTimeoutManager
Hitesh Khandelwal [Thu, 31 Jul 2014 21:47:46 +0000 (14:47 -0700)]
API for getTimeoutManager

Test Plan: Tested end-to-end with D1342452

Reviewed By: mshneer@fb.com

Subscribers: alandau, bmatheny

FB internal diff: D1470814

Tasks: 2682011

9 years agoinstall delayeddestruction header
Dave Watson [Thu, 31 Jul 2014 16:36:37 +0000 (09:36 -0700)]
install delayeddestruction header

Summary: added recently, needs to be installed

Test Plan: watch fbthrift contbuild

Reviewed By: noamz@fb.com

Subscribers: doug

FB internal diff: D1469760

Blame Revision: D1453095

9 years agoConstruct Later with exception_ptr
Rushi Desai [Thu, 31 Jul 2014 04:08:51 +0000 (21:08 -0700)]
Construct Later with exception_ptr

Summary:
It would be nice to be able to create a Later with pre-loaded
exception.

Test Plan: Unit test

Reviewed By: hans@fb.com

Subscribers: fugalh

FB internal diff: D1462810

9 years agoMove TDelayedDestruction to folly::DelayedDestruction
Alan Frindell [Wed, 23 Jul 2014 00:39:03 +0000 (17:39 -0700)]
Move TDelayedDestruction to folly::DelayedDestruction

Summary: This doesn't have many thrift dependencies and I need it for another async class I'm adding to folly.

Test Plan: unit tests

Reviewed By: alandau@fb.com

Subscribers: doug, mcduff, marccelani, mshneer, alandau, bmatheny

FB internal diff: D1453095

9 years agoIPAddress::empty()
Marc Celani [Fri, 25 Jul 2014 22:59:12 +0000 (15:59 -0700)]
IPAddress::empty()

Summary: Checks if IPAddress has not been initialized.

Test Plan: unit test

Reviewed By: tudorb@fb.com

Subscribers: tudorb

FB internal diff: D1459525

9 years agoBump version to 2:0
Chip Turner [Fri, 25 Jul 2014 16:07:33 +0000 (09:07 -0700)]
Bump version to 2:0

9 years agoTry again: folly::Singleton, a class for managing singletons
Chip Turner [Fri, 23 May 2014 03:17:14 +0000 (20:17 -0700)]
Try again: folly::Singleton, a class for managing singletons

Summary:
Singletons are surprisingly tricky in a codebase where
libraries depend on one another.  folly::Singleton hopes to make this
process more reliable by ensuring object creation happens in a safe
order, that destruction is possible, and that singletons are created
on-demand.

The basic fbcode use intention is to invoke registration completion in
initFacebook, so users need only declare singletons via
Singleton<ClassName> in their .cpp files.

This diff ties the Singletons into the core Init process, but not hhvm
(which will be a separate diff).

Test Plan: runtests

Reviewed By: joelm@fb.com, hans@fb.com

Subscribers: fbcode-common-diffs@, hphp-diffs@, soren, anca, lins, aalexandre, ps, trunkagent, lucian, hannesr, yfeldblum, maxwellsayles

FB internal diff: D1453135

9 years agoAdd method to parse parameter list in query string to folly::Uri
Jun LI [Fri, 25 Jul 2014 00:07:36 +0000 (17:07 -0700)]
Add method to parse parameter list in query string to folly::Uri

Summary:
Add a method to folly::Uri to get parsed query string

e.g. http://localhost?key1=foo&key2=bar

We can get key value map containing:
"key1" => "foo"
"key2" => "bar"

Test Plan:
fbconfig folly/test
fbmake runtests_dbg

Reviewed By: tudorb@fb.com

Subscribers: wormhole-dev@

FB internal diff: D1455158

Tasks: 4768038

9 years agoAdding one more test for trailing dots
Tom Jackson [Thu, 24 Jul 2014 17:37:15 +0000 (10:37 -0700)]
Adding one more test for trailing dots

Summary: Sorry, forgot to include tests for the other side of the equation.

Test Plan: It is a test

Reviewed By: tudorb@fb.com

FB internal diff: D1455583

9 years ago(wangle) set* should not invalidate getFuture
Hans Fugal [Wed, 23 Jul 2014 22:12:19 +0000 (15:12 -0700)]
(wangle) set* should not invalidate getFuture

Summary: @jcoens observed in D1451114 that it was unintuitive that you have to retrieve the `Future` before fulfilling the `Promise`. That seemed wrong to me too, but sure enough when I wrote the unit tests that doesn't work (throws "promise already fulfilled" when you call `getFuture`). I think this is just a simple mistake, but I'm going to carefully look at the output of contbuild test suites before committing.

Test Plan:
red-green
careful dependency unit test inspection

Reviewed By: jon.coens@fb.com

Subscribers: net-systems@, fugalh, exa, jcoens

FB internal diff: D1453780

9 years agoVersioning for Thrift, remove thrift/lib/cpp/config.h
Tudor Bosman [Tue, 22 Jul 2014 03:33:17 +0000 (20:33 -0700)]
Versioning for Thrift, remove thrift/lib/cpp/config.h

Summary:
Also, regenerate thrift_config.h.

Move .gitignore to public_tld so I can add thrift_config.h while still
having it checked into fbcode.

Test Plan: fbconfig -r thrift && fbmake runtests_opt

Reviewed By: meyering@fb.com

Subscribers: alandau, bmatheny, jhj, kma, lesha

FB internal diff: D1449068

9 years agoSupport trailing decimals for floats
Tom Jackson [Thu, 24 Jul 2014 00:19:47 +0000 (17:19 -0700)]
Support trailing decimals for floats

Summary: So integer-like numbers can be formatted in a manner which disambiguates them from integers.

Test Plan: Unit tests

Reviewed By: tudorb@fb.com

Subscribers: jfh, cscheau

FB internal diff: D1454446

9 years agoMake ElfFile not crash on invalid ELF files
Tudor Bosman [Wed, 23 Jul 2014 22:16:32 +0000 (15:16 -0700)]
Make ElfFile not crash on invalid ELF files

Summary:
@rkroll wants to run this on more than just fbcode binaries; there are x86 (not
x86_64) binaries in there and probably a lot of other junk. So, if you call
openNoThrow explicitly, you get a pretty error message in this case.

Test Plan: folly/experimental/symbolizer/test

Reviewed By: lucian@fb.com

Subscribers: rkroll, jhj, lesha, kma

FB internal diff: D1453758

9 years agoEnforce that only one version of folly is loaded at the same time
Tudor Bosman [Mon, 21 Jul 2014 22:18:02 +0000 (15:18 -0700)]
Enforce that only one version of folly is loaded at the same time

Test Plan: folly/test, OSS build, check the macro in separate file

Reviewed By: dancol@fb.com

FB internal diff: D1448086

9 years agoFix a folly build failure under clang: ConvTest.cpp.
Yedidya Feldblum [Mon, 21 Jul 2014 23:37:40 +0000 (16:37 -0700)]
Fix a folly build failure under clang: ConvTest.cpp.

Summary: [Folly] Fix a folly build failure under clang: ConvTest.cpp.

Test Plan: Build the unit-test folly/test/ConvTest.cpp with clang.

Reviewed By: tudorb@fb.com, njormrod@fb.com

Subscribers: mathieubaudet, dougw

FB internal diff: D1446232

Tasks: 4723132

9 years agoFix a folly build failure under clang: MPMCQueueTest.cpp.
Yedidya Feldblum [Mon, 21 Jul 2014 21:31:09 +0000 (14:31 -0700)]
Fix a folly build failure under clang: MPMCQueueTest.cpp.

Summary:
[Folly] Fix a folly build failure under clang: MPMCQueueTest.cpp.

In clang-v3.4, there is a bug with the combination of a lambda expression inside a function template taking a template name (rather than a type name) as a template argument.

This diff, in the interest of building folly under clang-v3.4, extracts the lambda expression into a separate function so that the function template taking a template name as a template argument no longer has a lambda expression in it.

Test Plan: Build folly/test/MPMCQueueTest.cpp under clang.

Reviewed By: njormrod@fb.com

Subscribers: mathieubaudet, dougw

FB internal diff: D1446279

Tasks: 4723132

9 years agoFix a folly build failure under clang: FutexTest.cpp.
Yedidya Feldblum [Mon, 21 Jul 2014 21:10:43 +0000 (14:10 -0700)]
Fix a folly build failure under clang: FutexTest.cpp.

Summary:
[Folly] Fix a folly build failure under clang: FutexTest.cpp.

In clang-v3.4, there is a bug with the combination of a lambda expression inside a function template taking a template name (rather than a type name) as a template argument.

This diff, in the interest of building folly under clang-v3.4, extracts the lambda expression into a separate function so that the function template taking a template name as a template argument no longer has a lambda expression in it.

Test Plan: Build folly/test/FutexTest.cpp under clang.

Reviewed By: njormrod@fb.com

Subscribers: mathieubaudet, dougw

FB internal diff: D1446237

Tasks: 4723132

9 years agofix D1422343 ("make `folly::Formatter` extendible") for clang
Tyler MacDonald [Mon, 21 Jul 2014 21:08:47 +0000 (14:08 -0700)]
fix D1422343 ("make `folly::Formatter` extendible") for clang

Summary:
This is D1422343, but with a one-line change to make it clang-compatible. I authored this diff by first copying the original, then updating, so it's easy to see what I had to change.

> on advice of @tudorb, move most of `folly::Formatter` into `folly::BaseFormatter` so that we can use compile-time polymorphism to provide different types of Formatters.

Test Plan:
```
fbmake clean
fbconfig -r thrift folly cold_storage && fbmake dbg && fbmake runtests
fbmake clean
fbconfig -r hphp --clang && fbmake dbgo && fbmake runtests
```

Reviewed By: tudorb@fb.com, pt@fb.com

Subscribers: mathieubaudet, tudorb

FB internal diff: D1440310

Tasks: 46242684667712

9 years agoFix the unaligned string toLowerAscii test
Brian Pane [Mon, 21 Jul 2014 18:26:19 +0000 (11:26 -0700)]
Fix the unaligned string toLowerAscii test

Summary:
* The test computed nonaligned inputs but then copied them into temporary
buffers to compare different implementations. The temporary buffers
were word-aligned.
* This diff keeps the temp buffers but ensures that the data in them
keeps the original input's alignment.

Test Plan:
* Ran the test case with a modified String.cpp containing an assert to
catch unaligned reads.  The assert failed, as expected, on a copy
of the code without the fix from D1434585

Reviewed By: meyering@fb.com

Subscribers: ruibalp

FB internal diff: D1435028

Tasks: 4696800

9 years agoA generic line-reading callback for communicate()
Alexey Spiridonov [Fri, 25 Apr 2014 22:21:49 +0000 (15:21 -0700)]
A generic line-reading callback for communicate()

Summary: There are a couple of places where this behavior is useful, and it's not 100% trivial to implement it from scratch. Adding it to Folly to save people code & bugs.

Test Plan: unit tests

Reviewed By: tudorb@fb.com

Subscribers: tjackson, folly@lists, tudorb

FB internal diff: D1297506

9 years agoFactor out string stream re-splitting as StreamSplitter
Alexey Spiridonov [Thu, 8 May 2014 00:43:51 +0000 (17:43 -0700)]
Factor out string stream re-splitting as StreamSplitter

Summary: This way I can reuse it in Subprocess. It also makes it easy to make a bunch of other convenient tokenization routines (e.g. delimiter-preserving folly::gen tokenizers, file tokenizers, etc, etc).

Test Plan: fbconfig folly/gen/test && fbmake runtests

Reviewed By: tjackson@fb.com

Subscribers: vkatich, tjackson

FB internal diff: D1317973

9 years agoextend folly::split
Marcin Pawlowski [Fri, 18 Jul 2014 04:50:01 +0000 (21:50 -0700)]
extend folly::split

Summary:
see task:
https://our.intern.facebook.com/intern/tasks/?t=4723861

Test Plan: unit tests

Reviewed By: marcelo.juchem@fb.com

FB internal diff: D1443223

Tasks: 4723861

9 years agoBump version to 1:0
Tudor Bosman [Mon, 21 Jul 2014 19:22:08 +0000 (12:22 -0700)]
Bump version to 1:0

9 years agomake folly::Range literal type
Philip Pronin [Thu, 17 Jul 2014 20:05:02 +0000 (13:05 -0700)]
make folly::Range literal type

Summary:
7.1.5 [dcl.constexpr] / 9 (N3337) requires type to be literal to use it
in `constexpr` object declaration (seems to be not enforced by GCC 4.8?)

Currently `folly::Range<>` fails one of the requirements:

* is an aggregate type, or has at least one constexpr constructor or
constructor template that is not a copy or move constructor,

Test Plan: fbconfig folly/test:range_test && fbmake runtests_opt -j32

Reviewed By: lucian@fb.com

Subscribers: chaoyc, search-fbcode-diffs@, unicorn-diffs@

FB internal diff: D1441646

Tasks: 4720575

9 years agoCheck for self-assignment in move assignment
Zejun Wu [Thu, 17 Jul 2014 16:49:39 +0000 (09:49 -0700)]
Check for self-assignment in move assignment

Summary:
Check for self-assignment in move assignment. Otherwise
Optional<Neko> cat = whatever;
cat = std::move(cat);
cat.hasValue(); // always returns false

Test Plan: fbmake runtests

Reviewed By: tjackson@fb.com

FB internal diff: D1440633

9 years agoreserve capacity in toAppend<StringType>(...)
Marcin Pawlowski [Tue, 15 Jul 2014 22:30:57 +0000 (15:30 -0700)]
reserve capacity in toAppend<StringType>(...)

Summary:
I modified the toAppend(args..., StringType* dest) so that
before appending it reserves enough space for data to be appended. It is
still work in progress (floats and doubles are really bad: we only do
very naive approximation of the size). On float like workload we gain
~10% perf, on strings/ints/chars we gain as much as 25% of perf.
Probably on bigger strings it will be even faster. We only modify the
case when toAppend() has more than 1 element to append as it would be
just overhead in case of one argument.

Test Plan:
with this change:

============================================================================
folly/test/ConvTest.cpp                         relative  time/iter
iters/s
============================================================================
preallocateTestNoFloat                                       1.59us 627.85K
preallocateTestFloat                                         1.09us 920.70K
----------------------------------------------------------------------------
============================================================================

without the change:

============================================================================
folly/test/ConvTest.cpp                         relative  time/iter
iters/s
============================================================================
preallocateTestNoFloat                                       2.12us 471.43K
preallocateTestFloat                                         1.22us 818.25K
----------------------------------------------------------------------------
============================================================================

Reviewed By: marcelo.juchem@fb.com

FB internal diff: D1420588

Tasks: 4632421

9 years agoadded replaceAt and replaceAll to MutableStringPiece
Marcin Pawlowski [Tue, 15 Jul 2014 22:20:29 +0000 (15:20 -0700)]
added replaceAt and replaceAll to MutableStringPiece

Summary:
To make MutableStringPiece more usable (and make the
implementation of replace* methods easier) I made sure that
all the const methods (like find) work for MutableStringPiece
in a fashion similar to how they work with StringPiece
(work with everything auto convertible to StringPiece). As
a result this change is pretty susbstatial in LOC, even
though now much happens here.

Test Plan: unit tests

Reviewed By: marcelo.juchem@fb.com

FB internal diff: D1420965

Tasks: 4632424

9 years agofolly: toLowerAscii: avoid unaligned access; also correct 3 conditions
Jim Meyering [Mon, 14 Jul 2014 23:21:07 +0000 (16:21 -0700)]
folly: toLowerAscii: avoid unaligned access; also correct 3 conditions

Summary:
* folly/String.cpp (toLowerAscii): Fix two errors: the most important
would cause unaligned accesses.  This would cause a performance loss
in general, but would also result in segfaults on ARM processes.
In addition, three conditionals were wrong, further limiting
the performance of this code: switch those "<" to "<=".

Test Plan:
Run this to exercise existing tests:
fbconfig folly/test:string_test && fbmake runtests_opt
Run this to generate timing stats (before and after this change), e.g.,
fbconfig folly/test:string_benchmark && fbmake opt
_bin/folly/test/string_benchmark > TIMING-toLower-old

These numbers show a 1.6% speed increase with this change:

--- TIMING-toLower-old  2014-07-14 16:51:12.793523778 -0700
+++ TIMING-toLower-new  2014-07-14 16:49:45.815119145 -0700
@@ -1,6 +1,6 @@
============================================================================
folly/test/StringBenchmark.cpp                  relative  time/iter  iters/s
============================================================================
-libc_tolower                                                 1.06us  941.91K
-folly_toLowerAscii                                          89.99ns   11.11M
+libc_tolower                                                 1.06us  941.90K
+folly_toLowerAscii                                          88.57ns   11.29M
============================================================================

Reviewed By: brianp@fb.com

Subscribers:

FB internal diff: D1434585

Tasks: 4696800

Blame Revision: D1421056

9 years agooops, remove stray libgtest
Tudor Bosman [Tue, 15 Jul 2014 00:49:34 +0000 (17:49 -0700)]
oops, remove stray libgtest

Reviewed By: lesha@fb.com
Test Plan: no

9 years agoUpdate folly/thrift README with tested deps for Ubuntu 13.10 and 14.04
Tudor Bosman [Mon, 14 Jul 2014 20:21:55 +0000 (13:21 -0700)]
Update folly/thrift README with tested deps for Ubuntu 13.10 and 14.04

Test Plan: no

Reviewed By: lesha@fb.com

Subscribers: alandau, jhj, kma

FB internal diff: D1434163

9 years agoAllow undefined LZ4_MAX_INPUT_SIZE
Tudor Bosman [Mon, 14 Jul 2014 20:24:27 +0000 (13:24 -0700)]
Allow undefined LZ4_MAX_INPUT_SIZE

Summary:
Because the version of lz4 that ships by default with Ubuntu 13.10 doesn't
define it (but has lz4_decompress_safe, so it's usable)

Test Plan: built on Ubuntu 13.10

Reviewed By: meyering@fb.com

Subscribers: jhj, lesha, kma

FB internal diff: D1433864

@override-unit-failures

9 years agoFix IPAddress operator==
Pavlo Kushnir [Mon, 7 Jul 2014 04:03:36 +0000 (21:03 -0700)]
Fix IPAddress operator==

Summary: IPAddress operator== throws an exception when comparing ip v6 mapped address with unitialized (default constructed) address. With this diff it returns false.

Test Plan: folly unit tests

Reviewed By: bmatheny@fb.com

FB internal diff: D1421280

9 years agoFix another race in Notification Queue
Gunjan Sharma [Thu, 10 Jul 2014 00:50:19 +0000 (17:50 -0700)]
Fix another race in Notification Queue

Summary: Consider a case we found that the queue is empty and unlocked and before our setActive(false) from SCOPE_EXIT gets called (or gets the lock) putMessageImpl got the lock. Now putMessage thinks that we donot want to add another signal but actually we do.

Test Plan:
Running mcreplay2 without running into this problem on a box.
Benchmark:

Reviewed By: davejwatson@fb.com

FB internal diff: D1428249

9 years agoEnforce max uncompressed size; use safe LZ4 decompressor, which requires a newer...
Tudor Bosman [Thu, 10 Jul 2014 19:40:18 +0000 (12:40 -0700)]
Enforce max uncompressed size; use safe LZ4 decompressor, which requires a newer version of LZ4

Test Plan: folly/io/test, whatever contbuild dreams up for hphp

Reviewed By: meyering@fb.com

Subscribers: meyering, hphp-diffs@, ps, jhj, kma, sainbar, lesha

FB internal diff: D1429372

@override-unit-failures

9 years agoSmall changes for cygwin build
Elizabeth Smith [Thu, 10 Jul 2014 22:52:22 +0000 (15:52 -0700)]
Small changes for cygwin build

Summary:
Folly is almost "out of the box" working with cygwin

This has the proper ifdefs to include cygwin in two areas and a workaround for a cygwin bug when including headers

Test Plan: fbconfig -r folly && fbmake runtests

Reviewed By: delong.j@fb.com

FB internal diff: D1413303

9 years agoMSVC includes for inet/sockets
Elizabeth Smith [Thu, 10 Jul 2014 22:19:57 +0000 (15:19 -0700)]
MSVC includes for inet/sockets

Summary:
MSVC has all the sockets and internet functionality required except for one missing item - which can safely be defined to a windows specific type
But it requires a different set of headers than on *nix systems

Test Plan: fbconfig -r folly && fbmake runtests

Reviewed By: delong.j@fb.com

FB internal diff: D1413265

9 years agoMSVC intrinsics for bits and cpuid
Elizabeth Smith [Thu, 10 Jul 2014 22:15:26 +0000 (15:15 -0700)]
MSVC intrinsics for bits and cpuid

Summary: Use msvc intrinsics for cpuid, popcount, byteswap, and bit scan functionality

Test Plan: fbconfig -r folly && fbmake runtests

Reviewed By: delong.j@fb.com

FB internal diff: D1413254

9 years agoExpression SFINAE issue in base.h
Elizabeth Smith [Thu, 10 Jul 2014 21:54:28 +0000 (14:54 -0700)]
Expression SFINAE issue in base.h

Summary:
MSVC 14 is still broken with expression sfinae - and the things that break are often strange
Moving this out into two expr templates solves the compilation issue

Test Plan: fbconfig -r folly && fbmake runtests

Reviewed By: tjackson@fb.com

FB internal diff: D1413297

9 years agouse recursive_mutex to protect State
Wez Furlong [Thu, 10 Jul 2014 18:37:17 +0000 (11:37 -0700)]
use recursive_mutex to protect State

Summary:
maelstrom destructs a Promise during an indirect call from
maybeCallback and deadlocks on itself unless we use a recursive mutex.

There may be a smarter way to proceed but at the moment I can't build
and deploy a package from trunk because the service is non-functional
:-/

Test Plan:
run

```
fbconfig -r folly/wangle messaging/maelstrom
fbmake runtests
```

Reviewed By: hannesr@fb.com

Subscribers: fugalh, fsilva

FB internal diff: D1428504

9 years agoRemove unnecessary and broken hash specializations
Tudor Bosman [Wed, 9 Jul 2014 15:42:15 +0000 (08:42 -0700)]
Remove unnecessary and broken hash specializations

Summary:
No need to specialize std::hash for std::basic_string; the STL already does
this. Plus, the specializations were broken in multiple ways:

1. std::hash does not treat const char* specially, so it just hashes the
pointer value (contrasting the old __gnu_cxx::hash, which hashed a C-string)

2. Either way, using __gnu_cxx::hash<const char*> for std::string is broken,
as it won't hash anything past the first null byte.

Also, make sure fbstring gets the same (full) specializations as std::string
does in the standard.

Test Plan: fbconfig -r folly && fbmake runtests_opt, also tests in tupperware/agent which is still using __gnu_cxx::hash_map with string keys.

Reviewed By: pgriess@fb.com, andrei.alexandrescu@fb.com

Subscribers: njormrod, jhj, kma, lesha

FB internal diff: D1426479

9 years agoFix race in Notification Queue
Gunjan Sharma [Wed, 9 Jul 2014 17:56:05 +0000 (10:56 -0700)]
Fix race in Notification Queue

Summary: When we are changing value of numActiveConsumers_ with setActive from handlerReady at the SCOPE_EXIT we have a race with reading of the same variable in putMessageImpl.

Test Plan: Had a local race which works fine now.

Reviewed By: davejwatson@fb.com

Subscribers: trunkagent

FB internal diff: D1424674

9 years agoSimplify pipe2 / O_CLOEXEC handling in Subprocess.cpp
Tudor Bosman [Tue, 8 Jul 2014 00:29:32 +0000 (17:29 -0700)]
Simplify pipe2 / O_CLOEXEC handling in Subprocess.cpp

Summary: per @rockyliu's suggestions

Test Plan: subprocess_test

Reviewed By: rockyliu4@fb.com

Subscribers: rockyliu, jhj, lesha, kma

FB internal diff: D1423157

9 years agoRevert "make `folly::Formatter` extendible"
Paul Tarjan [Wed, 9 Jul 2014 14:07:38 +0000 (07:07 -0700)]
Revert "make `folly::Formatter` extendible"

Summary:
This reverts commit 5ea0eb0c705224b82a5c284dc5f7722e1f71199f.

This breaks the HHVM clang build test.

Test Plan: clang will pass now

Reviewed By: smith@fb.com

Subscribers: dmitrys

FB internal diff: D1426399

Tasks: 4667712

9 years agomake `folly::Formatter` extendible
Tyler MacDonald [Wed, 9 Jul 2014 00:27:36 +0000 (17:27 -0700)]
make `folly::Formatter` extendible

Summary:
on advice of @tudorb, move most of `folly::Formatter` into `folly::BaseFormatter` so that we can use compile-time polymorphism to provide different types of Formatters.

I wasn't able to get the recursive formatter to be polymorphic -- whenever I tried to convert `class FormatValue<Formatter<containerMode, Args...>, void>` into `class FormatValue<BaseFormatter...`, `FormatTest.cpp:Test(Format, Nested)` wouldn't compile because it couldn't find the template. @tudorb, if you have an easy fix for this, lmk, otherwise I'm (reluctantly) okay with requiring that `Formatter`s define their own nesting `FormatValue`.

phew. the last time I did this sort of metaprogramming was over 5 years ago in perl. Doing it in C++ is... interesting.

Test Plan: `fbconfig -r thrift folly cold_storage && fbmake dbg && fbmake runtests`

Reviewed By: tudorb@fb.com

Subscribers: tudorb, dgp

FB internal diff: D1422343

Tasks: 4624268

9 years agoFix libc++ build errors
Tudor Bosman [Sat, 5 Jul 2014 15:50:38 +0000 (08:50 -0700)]
Fix libc++ build errors

Summary:
Reported externally:

https://github.com/facebook/folly/issues/70
https://github.com/facebook/folly/issues/71
https://github.com/facebook/folly/issues/72
https://github.com/facebook/folly/issues/73

Note that I can't test on libc++ myself, but the reports suggested fixes which
sounded good.

Test Plan: fbconfig -r folly && fbmake runtests_opt

Reviewed By: marcelo.juchem@fb.com

Subscribers: jhj, ntv, lesha, kma, fugalh, jdelong

FB internal diff: D1421029

9 years agoUse pipe2 in Subprocess; platform-specific config
Tudor Bosman [Mon, 7 Jul 2014 20:08:28 +0000 (13:08 -0700)]
Use pipe2 in Subprocess; platform-specific config

Summary:
We've wanted to use pipe2 in Subprocess for a while, but that's not supported
on glibc 2.5.1. This is not a problem in OSS (autoconf can solve this),
but, internally, we don't run autoconf; add an internal platform include file
with such per-platform differences.

Test Plan: fbconfig -r folly && fbmake runtests_opt

Reviewed By: meyering@fb.com

Subscribers: jhj, lesha, kma, agallagher

FB internal diff: D1422128

9 years agostride()
Tom Jackson [Thu, 3 Jul 2014 22:28:27 +0000 (15:28 -0700)]
stride()

Summary: thatwaseasy

Test Plan: iloveunittests

Reviewed By: lucian@fb.com

Subscribers: philipp

FB internal diff: D1419848

Tasks: 4636617

9 years agoMove the branchless, parallel ASCII toLower into folly
Brian Pane [Mon, 7 Jul 2014 17:27:30 +0000 (10:27 -0700)]
Move the branchless, parallel ASCII toLower into folly

Summary:
* Moved the fast toLower code into folly
* Updated the name to emphasize that it's ASCII-only

Test Plan: * Unit tests and benchmarks included.

Reviewed By: tudorb@fb.com

Subscribers: ruibalp, bmatheny

FB internal diff: D1421056

9 years ago(wangle) fix shadow
Hans Fugal [Mon, 7 Jul 2014 16:01:47 +0000 (09:01 -0700)]
(wangle) fix shadow

Summary: Not sure why this shadow error didn't turn up in my tests, but whatevs

Test Plan: traffic manager builds without warning-errors

Reviewed By: suhas@fb.com

Subscribers: hannesr, net-systems@, fugalh, exa

FB internal diff: D1421495

Tasks: 4653938

9 years agofix Makefile.am
Tudor Bosman [Mon, 7 Jul 2014 15:59:17 +0000 (08:59 -0700)]
fix Makefile.am

Summary: wangle/detail.h -> wangle/detail/State.h

Test Plan: OSS build

Reviewed By: meyering@fb.com

Subscribers: fugalh, lesha

FB internal diff: D1421490

9 years agogflags now likes namespace gflags, not google
Tudor Bosman [Fri, 4 Jul 2014 05:18:06 +0000 (22:18 -0700)]
gflags now likes namespace gflags, not google

Summary:
Use namespace gflags going forward, import namespace google into it if
backward.

Also added a few "checking for..." messages in autoconf.

Test Plan: fbconfig -r folly && fbmake runtests_opt, OSS build

Reviewed By: meyering@fb.com

Subscribers: fjargsto, ntv, jhj, lesha, kma, davejwatson

FB internal diff: D1420575

9 years ago(wangle) cold via
Hans Fugal [Tue, 1 Jul 2014 00:29:05 +0000 (17:29 -0700)]
(wangle) cold via

Summary:
Instead of returning a Later, `via` returns a cold future.
This works without keeping a backreference like Later does, because an inactive Future will always activate on destruction. Alternatively we could have an extra Promise, a la Later, and pass that along like Later does, and require launch() at the end (though, implicit launching on destruction would be an option there too).

If you think this approach is viable I'll clean it up on Wednesday: make sure all the calling sites work, etc.

Test Plan:
new unit test
This may fail in contbuild, I haven't done the codemod for calling sites, if there are any.

Reviewed By: hannesr@fb.com

Subscribers: jsedgwick, net-systems@, fugalh, exa

FB internal diff: D1412499

Tasks: 4480567

9 years ago(wangle) Future/Promise detachment
Hans Fugal [Mon, 30 Jun 2014 20:38:41 +0000 (13:38 -0700)]
(wangle) Future/Promise detachment

Summary:
Bring a bit more sanity to the lifetime. Now Future and Promise detach by calling the respective methods on State, and they do it during their destruction only. State manages its own lifetime.

Besides being cleaner, this also sets the stage for cancellation (where we'll need Future to hang on to its reference to State after setting the callback), and for folding in Later (we will have a bool for whether the future is hot and hold off executing the callback if it isn't).

Also cleans up various things I noticed while auditing the code for usages of `state_`.

Test Plan:
All the unit tests still pass.
Ran with ASAN (and found I had introduced a bug, then fixed it. yay)

Reviewed By: hannesr@fb.com

Subscribers: jsedgwick, net-systems@, fugalh, exa

FB internal diff: D1412038

Tasks: 4618297

9 years ago(Folly/FBString) Enum class for category
Hannes Roth [Fri, 4 Jul 2014 15:11:36 +0000 (08:11 -0700)]
(Folly/FBString) Enum class for category

Summary: Suggested by @aalexandre.

Test Plan: Compile.

Reviewed By: andrei.alexandrescu@fb.com

Subscribers: folly@lists, njormrod, aalexandre

FB internal diff: D1246180

9 years agofolly: StringPiece: add skipWhitespace
Lucian Grijincu [Thu, 26 Jun 2014 23:26:33 +0000 (16:26 -0700)]
folly: StringPiece: add skipWhitespace

Test Plan: copied from folly::json

Reviewed By: philipp@fb.com, soren@fb.com

FB internal diff: D1417992

Tasks: 4527315

9 years agos/setCallback_/setCallback/ for detail::State
Hans Fugal [Mon, 30 Jun 2014 20:34:42 +0000 (13:34 -0700)]
s/setCallback_/setCallback/ for detail::State

Summary: This isn't really an internal-to-this-class method. :-/

Test Plan: builds

Reviewed By: hannesr@fb.com

Subscribers: jsedgwick, net-systems@, fugalh, exa

FB internal diff: D1412008

9 years ago(wangle) s/continuation_/callback/ (missed some)
Hans Fugal [Mon, 30 Jun 2014 20:32:17 +0000 (13:32 -0700)]
(wangle) s/continuation_/callback/ (missed some)

Summary: In the spirit of D1406753

Test Plan: still builds and tests pass

Reviewed By: hannesr@fb.com

Subscribers: jsedgwick, net-systems@, fugalh, exa

FB internal diff: D1412002

9 years ago(wangle) s/FutureObject/detail::State/
Hans Fugal [Mon, 30 Jun 2014 20:22:56 +0000 (13:22 -0700)]
(wangle) s/FutureObject/detail::State/

Summary:
codemod
I never was satisfied with this name. `State` feels a little better. More descriptive. But still pretty generic, so I'm open to alternative ideas.

Test Plan: It still builds and tests pass.

Reviewed By: hannesr@fb.com

Subscribers: jsedgwick, net-systems@, fugalh, exa

FB internal diff: D1411506

9 years agoFix string split when last part is shorter than delimiter
Kevin Chou [Wed, 2 Jul 2014 16:14:24 +0000 (09:14 -0700)]
Fix string split when last part is shorter than delimiter

Summary: The bug is when ignoreEmpty is true, we use the wrong token size, which will be 0 when last token is shorter than delimiter.

Test Plan:
1. Add unit test
2. fbconfig -r folly && fbmake runtests

Reviewed By: philipp@fb.com

Subscribers: maxime, xiaol

FB internal diff: D1415803

9 years agoAdd Random-inl.h to Makefile.am
Tudor Bosman [Wed, 2 Jul 2014 01:03:26 +0000 (18:03 -0700)]
Add Random-inl.h to Makefile.am

Test Plan: OSS

Reviewed By: lesha@fb.com

FB internal diff: D1415190

@override-unit-failures

9 years agoupdate make check targets
Dave Watson [Fri, 27 Jun 2014 17:46:15 +0000 (10:46 -0700)]
update make check targets

Summary:
Update targets so that gtest isn't required unless you run 'make check'.

Simply make everything that uses gtest a 'check_PROGRAM' instead of a 'noinst_PROGRAM'

Test Plan: build folly with 'make -j32', gtest isn't required.

Reviewed By: andrewjcg@fb.com

Subscribers: pavlo, doug

FB internal diff: D1408288

9 years agoSimplify include path, make sure .. is in it
Tudor Bosman [Mon, 30 Jun 2014 23:12:47 +0000 (16:12 -0700)]
Simplify include path, make sure .. is in it

Summary: so #include <folly/File.h> works

Test Plan: built OSS folly, make check, built tiny program out of tree

Reviewed By: davejwatson@fb.com

FB internal diff: D1412123

9 years agoCodemod: use #include angle brackets in folly and thrift
Tudor Bosman [Mon, 30 Jun 2014 18:56:53 +0000 (11:56 -0700)]
Codemod: use #include angle brackets in folly and thrift

Summary: Also changed the thrift compilers to emit code with <...>.

Test Plan: fbconfig -r folly thrift && fbmake opt && fbmake runtests_opt

Reviewed By: davejwatson@fb.com

Subscribers: ruibalp, nli, shilin, tjackson, fugalh, alandau, bmatheny, njormrod

FB internal diff: D1411225