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* Add the ability to recognize old references to keys, and return NULLDaniel Eischen2002-03-196-36/+54
| | | | | | | | when old keys are referenced (after pthread_key_delete()) via pthread_getspecific(). Notes: svn path=/head/; revision=92730
* Fix the return code from pthread_rwlock_try[rw|rd]lock() functions;Brian S. Dean2002-03-151-2/+2
| | | | | | | | | these should return EBUSY when the calling thread would block. MFC after: 2 weeks Notes: svn path=/head/; revision=92360
* Properly clear the status of a join operation if the joining thread isDaniel Eischen2002-03-062-1/+4
| | | | | | | canceled or the joinee is detached. Notes: svn path=/head/; revision=91762
* Don't rely on <sys/signal.h> to include <sys/ucontext.h>Daniel Eischen2002-02-171-0/+1
| | | | Notes: svn path=/head/; revision=90774
* Correct a typo pthread_attr_setscope() function fails unconditionallyMaxim Konovalov2002-02-141-1/+1
| | | | | | | | | | | | due to. PR: misc/30699 Reviewed by: jasone, ru Approved by: jasone, ru MFC after: 1 week Notes: svn path=/head/; revision=90656
* This has been sitting in my local tree long enough. Remove the useDaniel Eischen2002-02-095-268/+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 Notes: svn path=/head/; revision=90431
* Use the real function address (instead of function address + 8) for theDaniel Eischen2001-12-221-2/+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> Notes: svn path=/head/; revision=88401
* Fix the retrieval of USRSTACK via sysctl so that it works for 64-bitDaniel Eischen2001-12-181-2/+2
| | | | | | | | | archs. This should fix libc_r on alpha. Submitted by: Bernd Walter <ticso@cicely9.cicely.de> Notes: svn path=/head/; revision=88092
* When cancelling a thread while in a join operation, do not detachDaniel Eischen2001-12-161-4/+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 Notes: svn path=/head/; revision=88015
* Pull the target thread of a join operation from the correct placeDaniel Eischen2001-12-151-3/+4
| | | | | | | when cancelling a thread. Notes: svn path=/head/; revision=87988
* Fix pthread_join so that it works if the target thread exits whileDaniel Eischen2001-11-174-10/+32
| | | | | | | | | | the joining thread is in a signal handler. Reported by: Loren James Rittle <rittle@labs.mot.com> MFC after: 1 week Notes: svn path=/head/; revision=86499
* Describe handling of NULLs passed to pthread_setcancelstate().Murray Stokely2001-11-051-2/+10
| | | | | | | | PR: docs/31745 Submitted by: Andrew <andrew@ugh.net.au> Notes: svn path=/head/; revision=86074
* Mark up NULL in .Dv.Dima Dorfman2001-11-041-1/+3
| | | | | | | | PR: 31747 Submitted by: <andrew@ugh.net.au> Notes: svn path=/head/; revision=86050
* Make libc_r check the kern.usrstack sysctl instead of using internalPeter Wemm2001-10-263-6/+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. Notes: svn path=/head/; revision=85567
* Style: sort __sys_foo() prototypes, tabs -> spaces, etc.Ruslan Ermilov2001-10-261-78/+78
| | | | Notes: svn path=/head/; revision=85559
* Removed:Ruslan Ermilov2001-10-262-16/+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 Notes: svn path=/head/; revision=85557
* Change #include "DEFS.h" to <machine/asm.h>.Peter Wemm2001-10-251-1/+1
| | | | Notes: svn path=/head/; revision=85451
* Compensate for "Compensate for header dethreading" by backing it out.Bruce Evans2001-10-101-2/+0
| | | | Notes: svn path=/head/; revision=84768
* Limit maximum poll interval to 60 seconds. This prevents an overflowDaniel Eischen2001-10-071-0/+3
| | | | | | | | | | from occurring when converting from a timeval/timespec to a timeout in milliseconds. Submitted by: dwmalone Notes: svn path=/head/; revision=84610
* mdoc(7) police: Use the new .In macro for #include statements.Ruslan Ermilov2001-10-0148-50/+50
| | | | Notes: svn path=/head/; revision=84306
* Use ``.Rv -std'' wherever possible.Ruslan Ermilov2001-08-311-8/+1
| | | | | | | Submitted by: yar Notes: svn path=/head/; revision=82642
* Mark some functions as __printflike() and/or taking const char * argumentsKris Kennaway2001-08-201-0/+3
| | | | | | | | | instead of char *. MFC after: 2 weeks Notes: svn path=/head/; revision=81975
* Fix logic errors in pthread_cond_wait() and pthread_cond_timedwait() thatJason Evans2001-08-191-68/+52
| | | | | | | | | could cause deadlock after interruption due to a signal. Reviewed by: deischen Notes: svn path=/head/; revision=81918
* Fix a bug in canceling joining threads.Jason Evans2001-08-163-2/+18
| | | | | | | | | | Do not detach canceled threads. Reported by: Arno Klaassen <arno@heho.snv.jussieu.fr> Collaboration with: deischen Notes: svn path=/head/; revision=81750
* mdoc(7) police: s/OpenBSD/.Ox/ where appropriate.Ruslan Ermilov2001-08-131-1/+4
| | | | Notes: svn path=/head/; revision=81589
* Spell "FreeBSD" with "F" and "BSD" in uppercase.Ruslan Ermilov2001-08-1313-13/+13
| | | | Notes: svn path=/head/; revision=81588
* Removed duplicate VCS ID tags, as per style(9).Ruslan Ermilov2001-08-131-3/+0
| | | | Notes: svn path=/head/; revision=81586
* Make the name parameter const char *.Warner Losh2001-08-111-1/+1
| | | | Notes: svn path=/head/; revision=81524
* Use the ``.Rv -std'' mdoc(7) macro in appropriate cases.Yaroslav Tykhiy2001-08-094-24/+4
| | | | | | | Reviewed by: ru Notes: svn path=/head/; revision=81352
* Implement pthread_attr_[gs]etguardsize(). Non-default-size stacks used toJason Evans2001-07-2015-176/+619
| | | | | | | | | | | be malloc()ed, but they are now allocated using mmap(), just as the default-size stacks are. A separate cache of stacks is kept for non-default-size stacks. Collaboration with: deischen Notes: svn path=/head/; revision=80021
* Remove whitespace at EOL.Dima Dorfman2001-07-1518-48/+48
| | | | Notes: svn path=/head/; revision=79754
* mdoc(7) police: removed HISTORY info from the .Os call.Ruslan Ermilov2001-07-1024-24/+24
| | | | Notes: svn path=/head/; revision=79531
* mdoc(7) police: remove extraneous .Pp before and/or after .Sh.Dima Dorfman2001-07-0921-24/+0
| | | | Notes: svn path=/head/; revision=79454
* mdoc(7) police: sort SEE ALSO xrefs (sort -b -f +2 -3 +1 -2).Ruslan Ermilov2001-07-065-10/+10
| | | | Notes: svn path=/head/; revision=79366
* Clear the in thread scheduler flag after jumping to the start ofDaniel Eischen2001-06-291-0/+6
| | | | | | | | | a signal handler from the scheduler. MFC after: 1 week Notes: svn path=/head/; revision=78979
* Fix a race condition in pthread_join(). All of the following must occurJason Evans2001-06-273-48/+53
| | | | | | | | | | | | | | | atomically: 1) Search _thread_list for the thread to join. 2) Search _dead_list for the thread to join. 3) Set the running thread as the joiner. While we're at it, fix a race in the case where multiple threads try to join on the same thread. POSIX says that the behavior of multiple joiners is undefined, but the fix is cheap as a result of the other fix. Notes: svn path=/head/; revision=78873
* Typo fix: requires -> reacquiresGregory Neil Shapiro2001-06-271-1/+1
| | | | | | | | Submitted by: Murray S. Kucherawy <msk@sendmail.com> MFC after: 3 days Notes: svn path=/head/; revision=78869
* Add a missing word.Dima Dorfman2001-06-051-1/+1
| | | | | | | Obtained from: OpenBSD Notes: svn path=/head/; revision=77742
* Add a missing word.Dima Dorfman2001-06-051-1/+2
| | | | Notes: svn path=/head/; revision=77741
* Add a test for PR 24345.Jason Evans2001-05-202-0/+110
| | | | Notes: svn path=/head/; revision=76913
* Update the verify script.Jason Evans2001-05-202-201/+162
| | | | Notes: svn path=/head/; revision=76912
* Don't define _REENTRANT, since the Makefile does so.Jason Evans2001-05-201-2/+0
| | | | Notes: svn path=/head/; revision=76911
* Fix a typo.Jason Evans2001-05-201-1/+1
| | | | Notes: svn path=/head/; revision=76910
* Instead of using a join queue for each thread, use a single pointer toJason Evans2001-05-2011-146/+107
| | | | | | | | | | | | | | keep track of a joiner. POSIX only supports a single joiner, so this simplification is acceptable. At the same time, make sure to mark a joined thread as detached so that its resources can be freed. Reviewed by: deischen PR: 24345 Notes: svn path=/head/; revision=76909
* Fixed typo in the description.Ruslan Ermilov2001-05-181-2/+2
| | | | | | | | PR: docs/27411 Submitted by: David Wimsey <dwimsey@rtci.com> Notes: svn path=/head/; revision=76795
* Condition variable waiters are queued in descending priority order, soJason Evans2001-05-181-9/+2
| | | | | | | | | | | there is no need to wake all waiters to assure that the highest priority thread is run. As the semaphore code is written, there was no correctness problem, but the change improves sem_post() performance. Pointed out by: deischen Notes: svn path=/head/; revision=76781
* Mark a thread that is suspended while sleeping as interrupted.Jason Evans2001-05-161-1/+3
| | | | Notes: svn path=/head/; revision=76699
* Properly copy the P_ALTSTACK flag in struct proc::p_flag to the childAkinori MUSHA2001-05-071-11/+1
| | | | | | | | | | | | | | | | | | | | | process on fork(2). It is the supposed behavior stated in the manpage of sigaction(2), and Solaris, NetBSD and FreeBSD 3-STABLE correctly do so. The previous fix against libc_r/uthread/uthread_fork.c fixed the problem only for the programs linked with libc_r, so back it out and fix fork(2) itself to help those not linked with libc_r as well. PR: kern/26705 Submitted by: KUROSAWA Takahiro <fwkg7679@mb.infoweb.ne.jp> Tested by: knu, GOTOU Yuuzou <gotoyuzo@notwork.org>, and some other people Not objected by: hackers MFC in: 3 days Notes: svn path=/head/; revision=76336
* Move the check for a pending signals to after the thread has beenDaniel Eischen2001-05-042-6/+18
| | | | | | | | | | | | | | | | | | placed in any scheduling queue(s). The process of dispatching signals to a thread can change its state which will attempt to add or remove the thread from any scheduling queue to which it belongs. This can break some assertions if the thread isn't in the queue(s) implied by its state. When adding dispatching a pending signal to a thread, be sure to remove the signal from the threads set of pending signals. PR: 27035 Tested by: brian MFC in: 1 week Notes: svn path=/head/; revision=76280
* Compenate for header dethreading.Mark Murray2001-05-011-0/+2
| | | | Notes: svn path=/head/; revision=76179
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