Commit Graph

54 Commits

Author SHA1 Message Date
Marc Siegel ef3d6958ea Slight refactor to share common code path and clarify behavior 2013-12-30 13:22:07 -05:00
Marc Siegel 49773b66f4 Add Semaphore#to_mtx returning an unchecked mutex-like facade
Because there is a very significant performance hit for using the
mutex implementation, which correctly checks ownership, this
implementation formalizes treating a raw semaphore as a faster,
unchecked implementation of mutex.
2013-12-30 13:20:29 -05:00
pmahoney 1b1fdbe287 Merge pull request #8 from ms-ati/fix-cond-var-signal-when-no-waiters
Fix ConditionVariable#signal to only post if semaphore has waiters
2013-12-27 14:49:04 -08:00
Marc Siegel 4518e6fdad Fix ConditionVariable#signal to only post if semaphore has waiters
This fixes a bug where calls to #signal would end up "over-posting"
the semaphore, causing subsequent waits to return immediately until
the semaphore value is back down to zero.
2013-12-27 15:15:07 -05:00
Marc Siegel 41b6777638 Fix SharedMemoryIO#read for binary data on Ruby 1.9+ 2013-12-27 13:38:23 -05:00
Marc Siegel aeadb74ef6 Fix Mutex to allow lock from different Ruby (green) thread in process 2013-12-27 10:46:50 -05:00
Marc Siegel d2f8af03eb Workaround apparent bug in 1.8.7/REE: block all during sem_timedwait 2013-12-26 13:48:29 -05:00
Marc Siegel e2e70591a1 On posix, allow ruby threads to continue during wait / try_wait 2013-12-26 12:47:09 -05:00
Marc Siegel 50c096d84c On mach, allow other ruby threads to continue during semaphore try_wait 2013-12-26 12:45:04 -05:00
Marc Siegel d1644104c8 On mach, allow other ruby green threads to continue during semaphore wait 2013-12-26 12:27:36 -05:00
Patrick Mahoney 5aba20cdf7 Partial MonitorMixin implementation. 2012-03-29 23:00:52 -05:00
Patrick Mahoney 80284301a7 Use semaphore#synchronize convenience method internally. 2012-03-29 22:34:16 -05:00
Patrick Mahoney 1eff930480 Initial attempt at Monitor class. 2012-03-29 22:33:03 -05:00
Patrick Mahoney da42ac4875 Refactor Mach FFI wrapper; get unit tests working again. 2012-02-08 21:30:18 -06:00
Patrick Mahoney 15fe2e5057 Refactor class hierarchy, implementation selection details. 2012-02-07 23:06:17 -06:00
Patrick Mahoney 60b1cd8e53 Add (again) default semaphore value; all tests passing on Linux. 2012-02-01 21:43:53 -06:00
Patrick Mahoney 842ff179ec Remove no-longer-used libpsem and related code and tests. 2012-02-01 21:42:34 -06:00
Patrick Mahoney 8158666e90 Add posix-y compatibility extension class over Mach::Semaphore. 2012-02-01 21:36:15 -06:00
Patrick Mahoney 680527cbab Add time and clock Mach functions; implement Mach::Semaphore#timedwait. 2012-02-01 21:34:51 -06:00
Patrick Mahoney b76bf99947 Add additional mach error codes. 2012-02-01 21:32:08 -06:00
Patrick Mahoney ffe1298731 Factor common TimeSpec methods into module. 2012-02-01 20:33:31 -06:00
Patrick Mahoney 71aa552213 Move with_self open-with-block helper to common module from posix semaphore implementation. 2012-02-01 19:44:24 -06:00
Patrick Mahoney 6f63c67c6e Split SharedMemory into module and platform dependent bits. Make SharedArray extend platform dependent class. 2012-02-01 19:38:53 -06:00
Patrick Mahoney db108a1913 Delete BoundedSemaphore. 2012-02-01 19:24:07 -06:00
Patrick Mahoney bb2bb3c5d9 Make BinarySemaphore delegate to platform-dependent semaphore. 2012-02-01 19:23:45 -06:00
Patrick Mahoney 13922373d6 Create dedicated class for messages. 2012-01-29 22:57:13 -06:00
Patrick Mahoney ae67dc6889 Add Ruby/FFI wrapper around POSIX shared memory and semaphore (obviating libpsem). 2012-01-29 22:54:22 -06:00
Patrick Mahoney 16ceacb31e Document Port#insert_right method. 2012-01-21 18:39:27 -06:00
Patrick Mahoney 807e694ad3 Fix typo. 2012-01-21 15:11:16 -06:00
Patrick Mahoney 933690a426 Remove logging statement from #send_right. 2012-01-21 15:10:38 -06:00
Patrick Mahoney 0ac03cfefc Add methods on port to send and receive rights from other tasks. 2012-01-21 15:06:46 -06:00
Patrick Mahoney 9f17aac114 Modify args to Semaphore and Port constructors to accept existing ports. 2012-01-16 08:14:58 -06:00
Patrick Mahoney 14e5b893bf Make (require 'mach') load all subcomponents. 2012-01-15 08:08:17 -06:00
Patrick Mahoney d337ddd0e3 Remove obsolete file added by mistake. 2012-01-15 08:05:34 -06:00
Patrick Mahoney 252d606c09 Add FFI wrapper around some of the Mach API (in Mac OS X). 2012-01-15 08:02:53 -06:00
Patrick Mahoney 893c457b35 Make ffi type to getter/setter method search more robust to work in 1.8 and 1.9. 2011-12-21 08:14:20 -06:00
Patrick Mahoney a21071b590 Fix object writing and reading for Ruby 1.8 IO differences. 2011-12-21 07:58:55 -06:00
Patrick Mahoney edc927709a Avoid possible race in ConditionVariable where new processes begin waiting while #broadcast is running. 2011-12-20 22:12:25 -06:00
Patrick Mahoney cc663a8d7f Add SharedMemory#write_object and #read_object; add SharedMemoryIO helper. 2011-12-20 22:09:38 -06:00
Patrick Mahoney 611c41f939 Add SharedArray extension of SharedMemory (with Enumerable mixin). 2011-12-17 21:51:22 -06:00
Patrick Mahoney ea063678cc Update SharedMemory initializer to accept type and size. 2011-12-17 21:50:39 -06:00
Patrick Mahoney d65979cc2e Initial attempt at ConditionVariable implementation. 2011-12-17 11:05:39 -06:00
Patrick Mahoney a1f881f59c Add finalizer to SharedMemory. 2011-12-17 10:31:22 -06:00
Patrick Mahoney 7bdae6482f Add finalizer to SharedMemory. 2011-12-17 10:31:09 -06:00
Patrick Mahoney 7d71937bf7 Add BinarySemaphore (error checking semaphore with max value 1). 2011-12-17 10:15:22 -06:00
Patrick Mahoney 0f00a7d444 Add minor explanatory comment. 2011-12-17 10:07:24 -06:00
Patrick Mahoney 7230e9f2c9 Add Semaphore#try_wait. Fix libpsem to convert relative timeout to absolute timeout. 2011-12-17 09:58:10 -06:00
Patrick Mahoney f65ae434e4 Clear the error pointer so that it may be reused. 2011-12-17 07:53:15 -06:00
Patrick Mahoney 514df0f49f Change from BoundedSemaphore to Semaphore in Mutex implementation so it will work on Mac OS X (and other platforms with out sem_getvalue(). 2011-12-13 22:03:36 -06:00
Patrick Mahoney d102786090 Expand documentation; fix markup. 2011-12-12 22:02:00 -06:00