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231 commits

Author SHA1 Message Date
Sönke Ludwig 3d7cf5744c
Merge pull request #61 from vibe-d/remove_obsolete_events 
Fix issues in the WinAPI driver
 2018-03-12 00:00:10 +01:00
Sönke Ludwig a681fc988b
Merge pull request #60 from vibe-d/single_file_taskpool 
Use a single thread pool for all threaded file driver threads.
 2018-03-11 23:36:34 +01:00
Sönke Ludwig f094b3934b Make sure that no obsolete I/O events get processed. 
Removes overlapped I/O events when a handle gets closed prematurely (before all events have been processed) to avoid potential range violation errors as a consequence.
 2018-03-11 20:32:32 +01:00
Sönke Ludwig 26907c7489 Fix set up of OVERLAPPED struct for files. 2018-03-11 20:31:44 +01:00
Sönke Ludwig 3090bc2c7c Implement filterPending for ConsumableQueue. 2018-03-11 20:31:44 +01:00
Sönke Ludwig f5f64ee476 Use a single thread pool for all threaded file driver threads. 
This avoids multiplying the number of threads by 5 for each thread that performs file I/O.
 2018-03-11 14:46:55 +01:00
Sönke Ludwig df78af96bb Use a custom nogc_assert in cleanup code. 
Unfortunately the built-in assert GC allocates an exception, which means that if called directly or indirectly form a finalizer, the assertion will not become visible and instead an InvalidMemoryOperationError is thrown.

This implements a custom nogc_assert() function that directly prints the assertion message and uses abort() to end the process.
 2018-03-11 13:56:10 +01:00
Sönke Ludwig 9dc8b796e5 Get rid of OVERLAPPED_FILE. 
The hEvent member is currently unused for files. Using it for the file handle makes the OVERLAPPED_CORE struct sufficient.
 2018-03-11 00:27:14 +01:00
Sönke Ludwig 0e1d74cc41 Call Windows IO callbacks outside of completion routines. 
Calling WinSock functions from inside of a completion routine results in undefined behavior, because the completion routine may be triggered within another WinSock function that enters an alertable wait state. For this reason, none of the callbacks that are triggered by overlapped I/O may be invoked directly from a completion routine.

To solve this, a ConsumableQueue is filled with all completion events that occur and is processed after each MsgWaitForMultipleObjectsEx call.
 2018-03-10 22:59:21 +01:00
Sönke Ludwig 0b02c84b2b Set ConnectionState.connected when accepting a connection. Fixes #54. 2018-03-07 11:00:03 +01:00
Sönke Ludwig 008163e913 Fix setTCPNoDelay/setKeepAlive and add assertions. 
Assertions make sure that socket query functions are not called with an invalid handle (resulting in strange out-of-memory errors).
 2018-03-07 10:52:01 +01:00
Sönke Ludwig 43ef41d4fa Fix deprecation warning on DMD 2.079.0. 2018-03-06 20:09:03 +01:00
Sönke Ludwig 3d2a2656bb Robustness fix for WinAPIEventDriverWatchers. 
Under certain (rare) circumstances, the receive buffer contains data from a file instead of the expected FILE_NOTIFY_INFORMATION structure. No signs of handle or buffer reuse could be found, so the cause for this remains unclear. Until the cause can be narrowed down, this keeps the issue visible while avoiding to crash the application.
 2018-03-03 20:04:51 +01:00
Sönke Ludwig fbd6927377 Improve robustness of file I/O callbacks for the WinAPI driver. 
Explicitly gets the read/write slot from the handle map from within the callback instead of dereferencing the pointer assigned when starting the operation. This makes sure that no dangling reference is accessed. Instead, if the slot got reused before the callback is invoked (which is a bug), an assertion will be triggered if the slot now has a different handle type.
 2018-03-03 19:56:54 +01:00
Sönke Ludwig 3a52e0f362 Fix cast from HANDLE to descriptor in the WinAPI driver. 
Avoids truncation to 32-bit for 64-bit builds. Also improves robustness of the directory watcher shutdown procedure.
 2018-03-03 19:56:54 +01:00
Sönke Ludwig e8e8f85271 Add DatagramSocket.broadcast property. Fixes #47. 2018-02-22 02:08:09 +01:00
Sönke Ludwig b2b072dd80 Reduce the number of ChoppedVector index operations. 2018-02-22 01:58:49 +01:00
Sönke Ludwig 30f614a7ff
Merge pull request #50 from vibe-d/fix_watcher_cancellation 
Fix watcher cancellation
 2018-02-22 01:56:13 +01:00
Sönke Ludwig 0e7091d085 Fix invalid watcher slot access in the win32 driver. 
The underlying file handle and the associated slot could previously be destroyed before the I/O callback had been finally called. Now the callback itself is responsible to destroying the handle.
 2018-02-22 01:14:31 +01:00
Sönke Ludwig c8f95f324b Enable canceling win32 file I/O. 
The CancelIOEx call was disabled just due to historical reasons.
 2018-02-22 01:12:13 +01:00
Diederik de Groot 41312a589e
Remove static compiler __VERSION check. "import core.sys.dragonflybsd.netinet.in_" will work, when compiler support is there. 
[See](https://github.com/vibe-d/vibe.d/pull/2028#discussion_r161077152)
 2018-01-11 10:40:37 +01:00
Diederik de Groot e062e44f1c
Fix compilation on DragonFlyBSD 2018-01-09 15:23:23 +01:00
Sönke Ludwig 6e2938297b Set O_CLOEXEC on the remaining FDs that are created by eventcore. 2017-12-19 22:10:14 +01:00
Hiroki Noda 214382dcb5 Set EFD_CLOEXEC 
Add missing one.
 2017-12-19 13:38:47 +09:00
Sönke Ludwig 8528b4ec00 Fix accidental resetting of O_NONBLOCK and set O_CLOEXEC on outgoing sockets, too. 2017-12-18 14:07:38 +01:00
Hiroki Noda 1179163150 Add O_CLOEXEC for some posix platform 2017-12-18 09:44:08 +01:00
Hiroki Noda b252c97012 Set close-on-exec flag to prevent fd leakage for command execution 2017-12-18 09:44:08 +01:00
Sönke Ludwig c3fa500c3b
Merge pull request #39 from kubo39/epoll-cloexec 
Set EPOLL_CLOEXEC to prevent fd leakage for command executation
 2017-12-16 18:58:40 +01:00
Sönke Ludwig c45f7dc35e Properly increment the waiter count during async TCP connect. 2017-12-16 17:55:13 +01:00
Hiroki Noda 277743914b Set EPOLL_CLOEXEC to prevent fd leakage for command executation 
This is for the same reason #38
 2017-12-16 10:16:43 +09:00
Sönke Ludwig 9ca1a4c3a6 Fix inotify based directory watcher for recursive directory adds. 
Newly added folders were not scanned recursively, which would result in sub folders that already exist or are added concurrently to not be watched.
 2017-12-02 02:54:13 +01:00
Sönke Ludwig 29aee9ee52 Defer driver dispose in main thread to shared static ~this. 
Allows dependent code to still access the driver from within their shared static ~this. vibe-core notably falls into this category.
 2017-11-25 16:59:53 +01:00
Sönke Ludwig 2d4ccf454d Properly increment waiter count for WinAPI file I/O operations. 2017-11-25 16:47:29 +01:00
Sönke Ludwig 07d2bafcac Fix threading issues in the generic Posix event implementation. 
Uses socketpair non-Linux systems and two separate UDP sockets on Windows for the cross-thread communication.
 2017-11-25 11:42:19 +01:00
Sönke Ludwig a5d4cf875c Add adoptDatagramSocketInternal. 2017-11-25 00:26:44 +01:00
Sönke Ludwig c8eb30f6f0 Remove polling threads from map. 2017-11-25 00:26:20 +01:00
Sönke Ludwig 31286e4580 Ensure the socket handle passed to callbacks is always valid on Posix. 2017-11-23 23:12:35 +01:00
Sönke Ludwig 4d00376873 Ensure proper reference count for created Posix events. 2017-11-23 23:12:35 +01:00
Sönke Ludwig 19879712e6 Fix shutdown procedure and rename event order for the polling watcher. 
Renames should always be reported as removed->added instead of added->removed.
 2017-11-23 23:11:16 +01:00
Sönke Ludwig 1d4fbc4fa2 Fixup poll driver. 2017-11-23 23:11:16 +01:00
Sönke Ludwig c8fd340240 Fix destruction of PosixEventDriverEvents event. 
The reference count was one too high and the waiter count was not properly decremented when an event got destroyed.
 2017-11-23 23:11:16 +01:00
Sönke Ludwig aa9a08f571 Explicitly dispose the event driver on thread shutdown. 
Handle multiple calls to dispose() gracefully, because external code may already make an explicit call to dispose().
 2017-11-23 23:11:16 +01:00
Sönke Ludwig 16e95b03e8 Fix WinAPI watcher to be consistent. 2017-11-22 17:14:31 +01:00
Sönke Ludwig a9ae496fb4 Avoid "." path in InotifyEventDriverWatchers. 
The vibe-core tests broke because a "/./" path segment slipped into the resulting paths.
 2017-11-22 17:07:49 +01:00
Sönke Ludwig 5246593432 Fix handling recursive inotify based directory watchers. 2017-11-21 10:42:21 +01:00
Sönke Ludwig 0ec498207d Gag directory modified events in win32. 2017-11-21 10:42:21 +01:00
Sönke Ludwig 99088e1202 Implement a generic polling based directory watcher. 
This is used on platforms that don't have a specialized watcher implementation.
 2017-11-21 10:42:21 +01:00
Sönke Ludwig 815db0727c Change all invalid handle values to ~0 and improve FileChange. 
FileChange now has the full path of a file split into the base path (as specified when creating the watcher), the sub directory, and the file name. This allows to work with less dynamic memory allocations internally.
 2017-11-21 10:42:14 +01:00
Sönke Ludwig 3352423414 Fix decrementing the waiter count when destroying a WinAPI event with active waiters. 2017-11-21 00:09:41 +01:00
Sönke Ludwig fdeef38ef4 Fix waiter count tracking for WinAPI directory watchers and avoid empty callbacks. 2017-11-20 15:59:35 +01:00