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* Windows DLLs: remove dup symbol from def fileBen.Lippmeier@anu.edu.au2009-11-171-1/+0
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* Windows DLLs: use one import lib for each DLL the RTS needs.Ben.Lippmeier@anu.edu.au2009-11-113-26/+34
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* Break recursive imports between the RTS and base library on Windows.Ben.Lippmeier@anu.edu.au2009-11-061-0/+64
| | | | | | | | | | | The file rts/win32/libHSbase.def contains a list of all the symbols from the base library that the RTS needs. When building the RTS into a DLL on Windows, we want to link the DLL for the RTS before we link the DLL for the base library. We use libHSbase.def to make the "import library" libHSbase.so.a, which contains stubs for each of the symbols from the base library that the RTS needs.
* Windows-specific fix for #1185 patchSimon Marlow2009-11-121-1/+1
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* Windows build fixesSimon Marlow2009-08-031-1/+1
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* Windows build fixesSimon Marlow2009-08-034-7/+1
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* RTS tidyup sweep, first phaseSimon Marlow2009-08-026-24/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The first phase of this tidyup is focussed on the header files, and in particular making sure we are exposinng publicly exactly what we need to, and no more. - Rts.h now includes everything that the RTS exposes publicly, rather than a random subset of it. - Most of the public header files have moved into subdirectories, and many of them have been renamed. But clients should not need to include any of the other headers directly, just #include the main public headers: Rts.h, HsFFI.h, RtsAPI.h. - All the headers needed for via-C compilation have moved into the stg subdirectory, which is self-contained. Most of the headers for the rest of the RTS APIs have moved into the rts subdirectory. - I left MachDeps.h where it is, because it is so widely used in Haskell code. - I left a deprecated stub for RtsFlags.h in place. The flag structures are now exposed by Rts.h. - Various internal APIs are no longer exposed by public header files. - Various bits of dead code and declarations have been removed - More gcc warnings are turned on, and the RTS code is more warning-clean. - More source files #include "PosixSource.h", and hence only use standard POSIX (1003.1c-1995) interfaces. There is a lot more tidying up still to do, this is just the first pass. I also intend to standardise the names for external RTS APIs (e.g use the rts_ prefix consistently), and declare the internal APIs as hidden for shared libraries.
* wibble in setExecutableAustin Seipp2009-03-201-1/+1
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* Set thread affinity with +RTS -qa (only on Linux so far)Simon Marlow2009-03-181-0/+6
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* Add getNumberOfProcessors(), FIX MacOS X build problem (hopefully)Simon Marlow2009-03-171-0/+14
| | | | | Somebody needs to implement getNumberOfProcessors() for MacOS X, currently it will return 1.
* avoid a crash: don't return unless the run queue has some threads in itSimon Marlow2009-03-111-6/+3
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* Fix #2992: don't create a named eventSimon Marlow2009-03-111-1/+1
| | | | | | | Evidently I misread the docs for CreateEvent: if you pass a name to CreateEvent, then it creates a single shared system-wide Event with that name. So all Haskell processes on the machine were sharing the same Event object. duh.
* #2768: fix compatibility problem with newer version of mingwSimon Marlow2008-11-131-5/+1
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* notice ^C exceptions when waiting for I/OSimon Marlow2008-11-132-0/+14
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* Cope with ThreadRelocated when traversing the blocked_queueSimon Marlow2008-11-061-1/+16
| | | | Fixes "invalid what_next field" in ioref001 on Windows, and perhaps others
* Build fixes for DLLized rtsClemens Fruhwirth2008-10-131-0/+4
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* FIX part of #2301, and #1619Simon Marlow2008-07-091-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | 2301: Control-C now causes the new exception (AsyncException UserInterrupt) to be raised in the main thread. The signal handler is set up by GHC.TopHandler.runMainIO, and can be overriden in the usual way by installing a new signal handler. The advantage is that now all programs will get a chance to clean up on ^C. When UserInterrupt is caught by the topmost handler, we now exit the program via kill(getpid(),SIGINT), which tells the parent process that we exited as a result of ^C, so the parent can take appropriate action (it might want to exit too, for example). One subtlety is that we have to use a weak reference to the ThreadId for the main thread, so that the signal handler doesn't prevent the main thread from being subject to deadlock detection. 1619: we now ignore SIGPIPE by default. Although POSIX says that a SIGPIPE should terminate the process by default, I wonder if this decision was made because many C applications failed to check the exit code from write(). In Haskell a failed write due to a closed pipe will generate an exception anyway, so the main difference is that we now get a useful error message instead of silent program termination. See #1619 for more discussion.
* FIX BUILD on WindowsSimon Marlow2008-06-181-4/+4
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* Reorganisation to fix problems related to the gct register variableSimon Marlow2008-04-161-1/+1
| | | | | | | | | - GCAux.c contains code not compiled with the gct register enabled, it is callable from outside the GC - marking functions are moved to their relevant subsystems, outside the GC - mark_root needs to save the gct register, as it is called from outside the GC
* Make it less fatal to not call ioManagerStart()Simon Marlow2008-05-291-4/+4
| | | | For clients that forget to do hs_add_root()
* protect console handler against concurrent access (#1922)Simon Marlow2007-12-041-3/+11
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* On Windows, Delete the CriticalSection's we InitializeIan Lynagh2007-11-253-0/+4
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* Refactoring: extract platform-specific code from sm/MBlock.cSimon Marlow2007-10-171-2/+227
| | | | Also common-up some duplicate bits in the platform-specific code
* fix an error message (barf -> sysErrorBelch)Simon Marlow2007-10-171-2/+3
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* remove debugging codeSimon Marlow2007-09-031-2/+0
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* FIX #1623: disable the timer signal when the system is idle (threaded RTS only)Simon Marlow2007-09-031-28/+57
| | | | | | | | | | Having a timer signal go off regularly is bad for power consumption, and generally bad practice anyway (it means the app cannot be completely swapped out, for example). Fortunately the threaded RTS already had a way to detect when the system was idle, so that it can trigger a GC and thereby find deadlocks. After performing the GC, we now turn off timer signals, and re-enable them again just before running any Haskell code.
* Windows: remove the {Enter,Leave}CricialSection wrappersSimon Marlow2007-08-291-8/+0
| | | | | | The C-- parser was missing the "stdcall" calling convention for foreign calls, but once added we can call {Enter,Leave}CricialSection directly.
* Jump through some hoops to make the Windows SEH exception stuff happyIan Lynagh2007-08-242-0/+133
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* Fix the threaded RTS on WindowsIan Lynagh2007-08-161-0/+9
| | | | | When calling EnterCriticalSection and LeaveCriticalSection from C-- code, we go via wrappers which use ccall (rather than stdcall).
* FIX #1177, partially at least.Simon Marlow2007-07-254-17/+19
| | | | | | | | | | | Now we don't wait for outstanding IO requests when shutting down at program exit time, but we still wait when shutting down a DLL (via hs_exit()). There ought to be a better way to do this, but terminating the threads forcibly is not a good idea (it never is: the thread might be holding a mutex when it dies, for example). I plan to add some docs to the user guide to describe how to shut down a DLL properly.
* Fix C/Haskell type mismatchesIan Lynagh2007-04-031-5/+5
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* Use timer_create() for the interval timer, if availableSimon Marlow2007-03-021-4/+7
| | | | | | | | | | | This lets the threaded RTS use SIGVTALRM rather than SIGALRM for its interval timer signal, so the threaded and non-threaded RTS are compatible. It unfortunately doesn't completely fix #850/#1156, for that we really have to use a restartable sleep instead of usleep(). Also I cleaned up the timer API a little: instead of returning an error value that ultimately gets ignored, we now report errors from system calls and exit.
* Free thread local storage on shutdownIan Lynagh2007-02-221-0/+11
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* Fix sleep delay for the non-threaded Windows RTSSimon Marlow2007-02-201-1/+1
| | | | | This is the Windows counterpart to "Make the non-threaded-RTS threadDelay wait at least as long as asked"
* Partial fix for #926Simon Marlow2007-02-011-2/+22
| | | | | | | | | | | | | | It seems that when a program exits with open DLLs on Windows, the system attempts to shut down the DLLs, but it also terminates (some of?) the running threads. The RTS isn't prepared for threads to die unexpectedly, so it sits around waiting for its workers to finish. This bites in two places: ShutdownIOManager() in the the unthreaded RTS, and shutdownCapability() in the threaded RTS. So far I've modified the latter to notice when worker threads have died unexpectedly and continue shutting down. It seems a bit trickier to fix the unthreaded RTS, so for now the workaround for #926 is to use the threaded RTS.
* Free more things that we allocate2006-12-16Ian Lynagh2006-12-151-0/+5
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* Add support for the IO manager thread on WindowsSimon Marlow2006-12-013-16/+179
| | | | | | | | | | | | | | | | | | | Fixes #637. The implications of this change are: - threadDelay on Windows no longer creates a new OS thread each time, instead it communicates with the IO manager thread in the same way as on Unix. - deadlock detection now works the same way on Windows as on Unix; that is the timer interrupt wakes up the IO manager thread, which causes the scheduler to check for deadlock. - Console events now get sent to the IO manager thread, in the same way as signals do on Unix. This means that console events should behave more reliably with -threaded on Windows. All this applies only with -threaded. Without -threaded, the old ConsoleEvent code is still used. After some testing, this could be pushed to the 6.6 branch.
* Remove the Windows Async IO Manager completely in THREADED_RTS modeSimon Marlow2006-12-012-0/+9
| | | | | It isn't used here anyway, just making sure the code doesn't get compiled in.
* remove unused includes, now that Storage.h & Stable.h are included by Rts.hSimon Marlow2006-11-151-2/+0
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* mark stop event handle as invalid once closed, making shutdowns more graceful.sof@galois.com2006-10-161-1/+5
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* add a few #includes to make it compilesof@galois.com2006-11-011-1/+4
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* add sysErrorBelch() for reporting system call errorsSimon Marlow2006-08-301-3/+5
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* call ShutdownIOManager() before closing handlesSimon Marlow2006-08-301-1/+1
| | | | | | | To avoid IO requests completing only to discover that the completed_table_sema has been CloseHandle()'d. This all looks a bit wrong, though: we shouldn't really be waiting for these requests to complete, they might take forever.
* oops, got the sense of the error case wrongSimon Marlow2006-08-291-1/+1
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* fix some rerrors in the worker countingSimon Marlow2006-08-291-6/+10
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* Free Win32 Handles on shutdownSimon Marlow2006-08-255-12/+54
| | | | patch from #878
* Add closeMutex and use it on clean upEsa Ilari Vuokko2006-08-231-0/+10
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* Remove few format-warnings by adding castsEsa Ilari Vuokko2006-08-131-2/+2
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* markSignalHandlers(): implementation was unnecessary, and had a bugsimonmar@microsoft.com2006-06-061-4/+2
| | | | | | | | | | There's no need to mark the signal handler here, because it is stored in a StablePtr and hence is a root anyway. Furthermore, the call to evac() was passing the address of a local variable, which turned out to be harmless for copying GC, but fatal for compacting GC: compacting GC assumes that the addresses of the roots are the same each time. Fixes: possibly #783, possibly #776, definitely #787
* fix Win32 buildsimonmar@microsoft.com2006-05-301-2/+4
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