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* Fix compiling error.davidxu2003-02-261-1/+1
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* Insert threads interrupted by a signal while running onto the run queue.mini2003-02-232-26/+3
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* Add signal logic to the build.mini2003-02-231-0/+2
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* Deliver signals posted via an upcall to the appropriate thread.mini2003-02-176-525/+274
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* Actually link in the attr_{set,get}stack.alfred2003-02-111-0/+2
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* Add pthread_attr_getstack() and pthread_attr_setstack().alfred2003-02-102-0/+117
| | | | Submitted by: Craig Rodrigues <rodrigc@attbi.com>
* Schedule spinlocked threads by moving them through the work queue, insteadmini2002-11-241-2/+15
| | | | | | | of the wait queue. Approved by: re (blanket) Stolen from: davidxu
* Get the wall clock time from the KSE mailbox, rather than doing anothermini2002-11-241-2/+2
| | | | syscall.
* Fix idle timeout bug, use correct current time of day.davidxu2002-11-201-2/+2
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* Schedule an idle context to block until timeouts expire without blockingmini2002-11-123-107/+89
| | | | further upcalls.
* Make pthread_sigmask(3) operate on the thread signal mask, not the processmini2002-10-301-1/+27
| | | | signal mask.
* Use KSE to schedule threads.mini2002-10-307-257/+366
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* Add the 'restrict' type qualifier to the prototypes of `sigaction',robert2002-10-021-1/+1
| | | | | | `sigprocmask', `sigaltstack', and `sigwait' as well as to the prototypes of the apparantly unimplemented functions `sigtimedwait' and `sigwaitinfo'. This complies with IEEE Std 1003.1-2001.
* Make libpthread KSE aware.mini2002-09-1626-2395/+135
| | | | | Reviewed by: deischen, julian Approved by: -arch
* Make the changes needed for libpthread to compile in its new home.mini2002-09-1693-227/+186
| | | | | | | | The new libpthread will provide POSIX threading support using KSE. These files were previously repo-copied from src/lib/libc_r. Reviewed by: deischen Approved by: -arch
* Remove much of the dereferencing of the fd table entries to lookdeischen2002-08-299-19/+23
| | | | | | | | | | | at file flags and replace it with functions that will avoid null pointer checks. MFC to be done by archie ;-) PR: 42100 Reviewed by: archie, robert MFC after: 3 days
* Make the libc_r version of select() set the readable or writablearchie2002-08-291-4/+6
| | | | | | | | | | file descriptor bit if poll() returns POLLERR, POLLHUP, or POLLNVAL. Othewise, it's possible for select() to return successfully but with no bits set. Reviewed by: deischen MFC after: 3 days PR: bin/42175
* When poll(2)'ing for readability or writability of a file descriptorarchie2002-08-291-2/+6
| | | | | | | | on behalf of a thread, we should check the POLLERR, POLLHUP, and POLLNVAL flags as well to wake up the thread in these cases. Suggested by: deischen MFC after: 3 days
* Replace various spelling with FALLTHROUGH which is lint()ablecharnier2002-08-251-1/+1
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* Oops, forgot to set the suspended flag for threads that are createddeischen2002-07-091-2/+3
| | | | | | | initially suspended. This was preventing such threads from getting resumed. Reported by: Bill Huey <billh@gnuppy.monkey.org>
* Make sigpending and sigsuspend account for signals that are pending ondeischen2002-06-282-5/+27
| | | | | | the process as well as pending on the current thread. Reported by: Andrew MacIntyre <andymac@bullseye.apana.org.au>
* Add a wrapper for pselect() in order to make it a cancellation point.deischen2002-06-282-0/+55
| | | | Prompted by: wollman
* Missed in earlier commit -- I did cvs commit src/lib/libc. Oops.rwatson2002-06-142-8/+0
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* Revamp suspend and resume. While I'm here add pthread_suspend_all_np()deischen2002-05-2413-307/+231
| | | | | | | | | | | | | and pthread_resume_all_np(). These suspend and resume all threads except the current thread, respectively. The existing functions pthread_single_np() and pthread_multi_np(), which formerly had no effect, now exhibit the same behaviour and pthread_suspend_all_np() and pthread_resume_all_np(). These functions have been added mostly for the native java port. Don't allow the uthread kernel pipe to use the same descriptors as stdio. Mostily submitted by Oswald Buddenhagen <ossi@kde.org>. Correct some minor style nits.
* Undo namespace pollution by prefixing the globals pthread_guard_default andalfred2002-05-154-26/+29
| | | | | | | | pthread_page_size. Fix a bunch line wrapping. Pointed out by: deischen
* Don't use PAGE_SIZE in userland, instead use getpagesize(), this is toalfred2002-05-134-21/+36
| | | | | | | allow running on other arches when the instructions are supported but the page size granularity is not. Glanced at by: peter
* Use GCC's __attribute__ ((constructor)) mechanism to invoke the pthreadalfred2002-05-112-1/+62
| | | | | | | startup code rather than a static C++ object since c++ seems to be broken. This doesn't seem to work for staticically linked program just yet, I'll give that some more work when I get a chance.
* Make these functions cancellation points like they should be:archie2002-05-025-5/+66
| | | | | | | | poll(2), readv(2), select(2), wait4(2), writev(2). PR: bin/37658 Reviewed by: deischen MFC after: 1 week
* Make sure calls to pthread_cancel() do not take effect if the targetarchie2002-05-021-2/+4
| | | | | | | | thread is already exiting. PR: bin/37614 Reviewed by: deischen MFC after: 1 week
* The GCC developers have made good on their threats against #pragma for 3.1.obrien2002-04-151-1/+2
| | | | | | Use __weak_reference in place of the #pragma. Submitted by: eischen
* Return correct number of total bits set in all fd_set's.asmodai2002-04-091-9/+18
| | | | | | | | | | | Change case of POLLNVAL as an error. Remove POLLHUP and POLLERR from one case, their place is most likely amongst read events. PR: 33723 Submitted by: Alexander Litvin <archer@whichever.org> Reviewed by: deischen [Provided a small change to the PR patch as well] MFC after: 4 weeks
* Do not use __progname directly (except in [gs]etprogname(3)).markm2002-03-291-5/+7
| | | | | | Also, make an internal _getprogname() that is used only inside libc. For libc, getprogname(3) is a weak symbol in case a function of the same name is defined in userland.
* Add the ability to recognize old references to keys, and return NULLdeischen2002-03-196-36/+54
| | | | | when old keys are referenced (after pthread_key_delete()) via pthread_getspecific().
* Fix the return code from pthread_rwlock_try[rw|rd]lock() functions;bsd2002-03-151-2/+2
| | | | | | these should return EBUSY when the calling thread would block. MFC after: 2 weeks
* Properly clear the status of a join operation if the joining thread isdeischen2002-03-062-1/+4
| | | | canceled or the joinee is detached.
* Don't rely on <sys/signal.h> to include <sys/ucontext.h>deischen2002-02-171-0/+1
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* Correct a typo pthread_attr_setscope() function fails unconditionallymaxim2002-02-141-1/+1
| | | | | | | | | due to. PR: misc/30699 Reviewed by: jasone, ru Approved by: jasone, ru MFC after: 1 week
* This has been sitting in my local tree long enough. Remove the usedeischen2002-02-095-268/+167
| | | | | | | | | | | | | | of an alternate signal stack for handling signals. Let the kernel send signals on the stack of the current thread and teach the threads signal handler how to deliver signals to the current thread if it needs to. Also, always store a threads context as a jmp_buf. Eventually this will change to be a ucontext_t or mcontext_t. Other small nits. Use struct pthread * instead of pthread_t in internal library routines. The threads code wants struct pthread *, and pthread_t doesn't necessarily have to be the same. Reviewed by: jasone
* Use the real function address (instead of function address + 8) for thedeischen2001-12-221-2/+2
| | | | | | | | | return address when modifying a jmp_buf to create a new thread context. Also set t12 with the return address. This should fix libc_r on alpha. With much detective work by: Bernd Walter <ticso@cicely.de>
* Fix the retrieval of USRSTACK via sysctl so that it works for 64-bitdeischen2001-12-181-2/+2
| | | | | | archs. This should fix libc_r on alpha. Submitted by: Bernd Walter <ticso@cicely9.cicely.de>
* When cancelling a thread while in a join operation, do not detachdeischen2001-12-161-4/+1
| | | | | | | | the target thread of the join operation. This allows the cancelled thread to detach the target thread in its cancellation handler. This bug was found by Butenhof's cancel_subcontract test. Reviewed by: jasone
* Pull the target thread of a join operation from the correct placedeischen2001-12-151-3/+4
| | | | when cancelling a thread.
* Fix pthread_join so that it works if the target thread exits whiledeischen2001-11-174-10/+32
| | | | | | | the joining thread is in a signal handler. Reported by: Loren James Rittle <rittle@labs.mot.com> MFC after: 1 week
* Make libc_r check the kern.usrstack sysctl instead of using internalpeter2001-10-263-6/+20
| | | | | | | kernel #defines to figure out where the stack is located. This stops libc_r from exploding when the kernel is compiled with a different KVM size. IMHO this is all kinda bogus, it would be better to just check %esp and work from that.
* Style: sort __sys_foo() prototypes, tabs -> spaces, etc.ru2001-10-261-78/+78
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* Removed:ru2001-10-262-16/+10
| | | | | | | | | | | | | | | | | | | | | | | | - uthread_signal.c; libc_r does not wrap signal() since 1998/04/29. - uthread_attr_setprio.c; it was never connected to the build, and pthread_attr_setprio() does not exist in POSIX. - uthread_sigblock.c and uthread_sigsetmask.c; these were no-ops bloating libc_r's space. pthread_private.h: - Removed prototypes of non-syscalls: send(). - Removed prototypes of unused syscalls: sigpending(), sigsuspend(), and select(). - Fixed prototype of fork(). - MFS: Fixed prototypes of <sys/socket.h> syscalls. Reviewed by: deischen Approved by: deischen, jasone
* Compensate for "Compensate for header dethreading" by backing it out.bde2001-10-101-2/+0
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* Limit maximum poll interval to 60 seconds. This prevents an overflowdeischen2001-10-071-0/+3
| | | | | | | from occurring when converting from a timeval/timespec to a timeout in milliseconds. Submitted by: dwmalone
* Fix logic errors in pthread_cond_wait() and pthread_cond_timedwait() thatjasone2001-08-191-68/+52
| | | | | | could cause deadlock after interruption due to a signal. Reviewed by: deischen
* Fix a bug in canceling joining threads.jasone2001-08-163-2/+18
| | | | | | | Do not detach canceled threads. Reported by: Arno Klaassen <arno@heho.snv.jussieu.fr> Collaboration with: deischen
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