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path: root/test/core/iomgr/fd_posix_test.c
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* Allow specific pollers to be wokenGravatar Craig Tiller2015-07-29
| | | | | | | | | | | | | | | | | | | Currently, if two threads call grpc_completion_queue_pluck on the same completion queue for different tags, there is a 50% chance that we deliver the completion wakeup to the wrong poller - forcing the correct poller to wait until its polling times out before it can return an event up to the application. This change tweaks our polling interfaces so that we can indeed wake a specific poller. Nothing has been performance tuned yet. It's definitely sub-optimal in a number of places. Wakeup file-descriptors should be recycled. We should have a path that avoids calling poll() followed by epoll(). We can probably live without it right at the second though. This code will fail on Windows at least (I'll do that port when I'm in the office and have a Windows machine).
* Move alarm subsystem to monotonic timeGravatar Craig Tiller2015-07-19
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* Introduce a clock type field onto gpr_timespec.Gravatar Craig Tiller2015-07-13
| | | | | Use it to validate that arithmetic on time types makes even some vague kind of sense.
* clang-format affected filesGravatar Craig Tiller2015-06-17
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* Fix threading problem on early orphaningGravatar Craig Tiller2015-06-02
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* Fix TSAN reported errorsGravatar Craig Tiller2015-06-01
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* Merge branch 'count-the-things' into we-dont-need-no-backupGravatar Craig Tiller2015-06-01
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| * Label all iomgr objectsGravatar Craig Tiller2015-06-01
| | | | | | | | | | This allows a list of them to be dumped to isolate where memory leaks are occuring.
* | Port fd_posix_test to pollsetsGravatar Craig Tiller2015-05-13
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* Fix a TSAN reported errorGravatar Craig Tiller2015-02-18
| | | | | | | | | | We now pass down pointers to closures instead of (callback, arg) pair elements separately. This allows us to store one word atomically, fixing a race condition. All call sites have been updated to the new API. No new allocations are incurred. grpc_fd_state is deleted to avoid any temptation to ever add anything there again.
* Add missing new-lines at end of fileGravatar Craig Tiller2015-02-18
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* Update copyright to 2015Gravatar Craig Tiller2015-02-18
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* Bugfix connection code in testGravatar Craig Tiller2015-01-21
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* () --> (void)Gravatar Craig Tiller2015-01-15
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* Remove libevent.Gravatar ctiller2015-01-09
| | | | | | | | | | | | | | | | | | | | | | | Fixed any exposed bugs across the stack. Add a poll() based implementation. Heavily leverages pollset infrastructure to allow small polls to be the norm. Exposes a mechanism to plug in epoll/kqueue for platforms where we have them. Simplify iomgr callbacks to return one bit of success or failure (instead of the multi valued result that was mostly unused previously). This will ease the burden on new implementations, and the previous system provided no real value anyway. Removed timeouts on endpoint read/write routines. This simplifies porting burden by providing a more orthogonal interface, and the functionality can always be replicated when desired by using an alarm combined with endpoint_shutdown. I'm fairly certain we ended up with this interface because it was convenient to do from libevent. Things that need attention still: - adding an fd to a pollset is O(n^2) - but this is probably ok given that we'll not use this for multipolling once platform specific implementations are added. - we rely on the backup poller too often - especially for SSL handshakes and for client connection establishment we should have a better mechanism ([] [] - Linux needs to use epoll for multiple fds, FreeBSD variants (including Darwin) need to use kqueue. ([] [] - Linux needs to use eventfd for poll kicking. ([] Change on 2015/01/07 by ctiller <ctiller@google.com> ------------- Created by MOE: http://code.google.com/p/moe-java MOE_MIGRATED_REVID=83461069
* Add a --forever flag, to continuously run tests as things change.Gravatar ctiller2015-01-09
| | | | | | | Change on 2015/01/07 by ctiller <ctiller@google.com> ------------- Created by MOE: http://code.google.com/p/moe-java MOE_MIGRATED_REVID=83451760
* Remove libevent.Gravatar ctiller2015-01-08
| | | | | | | | | | | | | | | | | | | | | | | Fixed any exposed bugs across the stack. Add a poll() based implementation. Heavily leverages pollset infrastructure to allow small polls to be the norm. Exposes a mechanism to plug in epoll/kqueue for platforms where we have them. Simplify iomgr callbacks to return one bit of success or failure (instead of the multi valued result that was mostly unused previously). This will ease the burden on new implementations, and the previous system provided no real value anyway. Removed timeouts on endpoint read/write routines. This simplifies porting burden by providing a more orthogonal interface, and the functionality can always be replicated when desired by using an alarm combined with endpoint_shutdown. I'm fairly certain we ended up with this interface because it was convenient to do from libevent. Things that need attention still: - adding an fd to a pollset is O(n^2) - but this is probably ok given that we'll not use this for multipolling once platform specific implementations are added. - we rely on the backup poller too often - especially for SSL handshakes and for client connection establishment we should have a better mechanism ([] [] - Linux needs to use epoll for multiple fds, FreeBSD variants (including Darwin) need to use kqueue. ([] [] - Linux needs to use eventfd for poll kicking. ([] Change on 2015/01/07 by ctiller <ctiller@google.com> ------------- Created by MOE: http://code.google.com/p/moe-java MOE_MIGRATED_REVID=83461069
* GOAWAY & Reconnection support.Gravatar ctiller2014-12-15
| | | | | | | | | | | | Clients stay connected to a server after it shutdowns until all active calls have completed, and then they drop. After a GOAWAY or a disconnect, clients will attempt to re-resolve and reconnect to the server. Change on 2014/12/15 by ctiller <ctiller@google.com> ------------- Created by MOE: http://code.google.com/p/moe-java MOE_MIGRATED_REVID=82178515
* Introducing iomgr.Gravatar ctiller2014-12-09
Move eventmanager and platform dependent endpoint functionality into a single library called 'iomgr'. This is primarily to prepare for a Windows port - where posix socket semantics lead to poor quality code. Mostly this is a code movement CL, with some small changes to help prepare the way for porting: - em style fd objects can only be held internally in iomgr, and own their memory - added grpc_iomgr_create_endpoint_pair() to accomodate the common pattern of creating a tcp endpoint from the output of socketpair - this will help keep our tests portable - separated em alarm interface into a separate file, as this part of event manager is needed higher up the stack - made the eventmanager bits a true singleton, simplifying API's across the stack as there's no longer a reason to carry a pointer there. Initial design document is here: https://docs.google.com/document/d/1VmafcHvvrP5kwtQkz84R5yXF7u7fW-9Pn0bkSUQHDt8/edit?disco=AAAAARNByxg Change on 2014/12/09 by ctiller <ctiller@google.com> ------------- Created by MOE: http://code.google.com/p/moe-java MOE_MIGRATED_REVID=81716456
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