Commit Graph

6 Commits

Author SHA1 Message Date
Thomas Van Lenten
2d1c5e26cb Handing threading race resolving methods.
- Don't prune the extension registry as that can lead to failures when two
  threads are racing.
- If adding the method fails, check and see if it already is bound to decide
  the return result. Deals with threading races binding the methods.
2017-03-02 16:34:11 -05:00
Thomas Van Lenten
d6590d6534 Drop all use of OSSpinLock
Apple engineers have pointed out that OSSpinLocks are vulnerable to live locking
on iOS in cases of priority inversion:
. http://mjtsai.com/blog/2015/12/16/osspinlock-is-unsafe/
. https://lists.swift.org/pipermail/swift-dev/Week-of-Mon-20151214/000372.html

- Use a dispatch_semaphore_t within the extension registry.
- Use a dispatch_semaphore_t for protecting autocreation within messages.
- Drop the custom/internal GPBString class since we don't have really good
  numbers to judge the locking replacements and it isn't required. We can
  always bring it back with real data in the future.
2015-12-17 16:05:50 -05:00
Thomas Van Lenten
8c88957ef3 Add nonnil markup to ObjC library.
Add the clang annotations to the objc library and generated code to help with Swift bridging and compiler checks.
2015-06-16 17:04:50 -04:00
Thomas Van Lenten
d846b0b059 Beta quality drop of Objective C Support.
- Add more to the ObjC dir readme.
- Merge the ExtensionField and ExtensionDescriptor to reduce overhead.
- Fix an initialization race.
- Clean up the Xcode schemes.
- Remove the class/enum filter.
- Remove some forced inline that were bloating things without proof of performance wins.
- Rename some internal types to avoid conflicts with the well know types protos.
- Drop the use of ApplyFunctions to the compiler/optimizer can do what it wants.
- Better document some possible future improvements.
- Add missing support for parsing repeated primitive fields in packed or unpacked forms.
- Improve -hash.
- Add *Count for repeated and map<> fields to avoid auto create when checking for them being set.
2015-06-08 17:17:22 -04:00
Thomas Van Lenten
1dcc329427 Objective C Second Alpha Drop
- Style fixups in the code.
- map<> serialization fixes and more tests.
- Autocreation of map<> fields (to match repeated fields).
- @@protoc_insertion_point(global_scope|imports).
- Fixup proto2 syntax extension support.
- Move all startup code to +initialize so it happen on class usage and not app startup.
- Have generated headers use forward declarations and move imports into generated code, reduces what is need at compile time to speed up compiled and avoid pointless rippling of rebuilds.
2015-05-22 14:27:31 -04:00
Thomas Van Lenten
30650d81d9 Alpha 1 drop of Google's Objective C plugin and runtime support for protobufs. 2015-05-06 13:19:14 -04:00