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296 Commits

Author SHA1 Message Date
David Xu
5b54b0891a Backout last commit. 
Requested by: jhb
 2003-03-15 04:45:42 +00:00
David Xu
047a20e644 Fix a bug in rwlock. When a rwlock was locked by reader threads, a 
writter thread can block reader threads to get read lock.
 2003-03-14 01:02:47 +00:00
Alexey Zelkin
68d8899c03 Fix cut'n'paste error 
Noticed by:	julian
 2003-03-05 20:50:03 +00:00
Alexey Zelkin
09492be669 MFlibc_r: add and document pthread_attr_get_np() function. 2003-03-03 22:40:20 +00:00
David Xu
96dfe788ad Fix compiling error. 2003-02-26 08:28:28 +00:00
Jonathan Mini
3b63c6c8ea Insert threads interrupted by a signal while running onto the run queue. 2003-02-23 21:15:25 +00:00
Jonathan Mini
f88cb3c627 Add signal logic to the build. 2003-02-23 21:14:08 +00:00
Jonathan Mini
faa8342f9f Deliver signals posted via an upcall to the appropriate thread. 2003-02-17 10:05:18 +00:00
Alfred Perlstein
969e2ea158 Actually link in the attr_{set,get}stack. 2003-02-11 07:28:28 +00:00
Alfred Perlstein
4e44912c6c Add pthread_attr_getstack() and pthread_attr_setstack(). 
Submitted by: Craig Rodrigues <rodrigc@attbi.com>
 2003-02-10 08:48:04 +00:00
Max Khon
1746ea2b02 remove #ifdef _THREAD_SAFE 2003-01-24 01:46:30 +00:00
Daniel Eischen
84001cde8f For now, build and install this as libkse instead of libpthread. 
This will avoid any accidental use of an experimental library.

Suggested by:	rwatson
Approved by:	re (jhb)
 2002-12-08 22:43:31 +00:00
Jonathan Mini
e9d0431f0b Schedule spinlocked threads by moving them through the work queue, instead 
of the wait queue.

Approved by: re (blanket)
Stolen from: davidxu
 2002-11-24 06:45:45 +00:00
Jonathan Mini
4df51f23bb Get the wall clock time from the KSE mailbox, rather than doing another 
syscall.
 2002-11-24 06:43:21 +00:00
David Xu
4949943c48 In _thread_enter_uts, fix eflags saving bug. 
In _thread_switch, set current thread pointer in kse mailbox
only after all registers copied out of thread mailbox, kernel will do
upcall at trap time, if set current thread pointer before loading all
registers from thread mailbox, at trap time, the thread mailbox data
will be overwritten by kernel, result is junk data is loaded into CPU.
 2002-11-22 11:43:06 +00:00
David Xu
662c0429b9 Fix idle timeout bug, use correct current time of day. 2002-11-20 12:35:59 +00:00
David Xu
4ab365e720 Adjust code for new mailbox format. 
Reviewed by: deischen, mini
 2002-11-18 02:02:08 +00:00
Jonathan Mini
1cb53a1828 Schedule an idle context to block until timeouts expire without blocking 
further upcalls.
 2002-11-12 00:55:01 +00:00
Jonathan Mini
40e044cbd3 Make pthread_sigmask(3) operate on the thread signal mask, not the process 
signal mask.
 2002-10-30 07:13:27 +00:00
Jonathan Mini
2d9a293b4e Use KSE to schedule threads. 2002-10-30 06:07:18 +00:00
Robert Drehmel
e31d11c36a Add the 'restrict' type qualifier to the prototypes of `sigaction', 
`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.
 2002-10-02 10:53:44 +00:00
Peter Wemm
224af215a6 Zap now-unused SHLIB_MINOR 2002-09-28 00:25:32 +00:00
Jonathan Mini
255ab70cdf Make libpthread KSE aware. 
Reviewed by:	deischen, julian
Approved by:	-arch
 2002-09-16 19:52:52 +00:00
Jonathan Mini
cfa1f4e659 Mechanically change all libc_r references to libpthread. 2002-09-16 19:29:34 +00:00
Jonathan Mini
cc118d869b Make the changes needed for libpthread to compile in its new home. 
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
 2002-09-16 08:45:36 +00:00
Daniel Eischen
d8b5986dd6 Remove much of the dereferencing of the fd table entries to look 
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
 2002-08-29 23:06:07 +00:00
Archie Cobbs
afa4625307 Make the libc_r version of select() set the readable or writable 
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
 2002-08-29 21:39:19 +00:00
Archie Cobbs
ccde72a411 When poll(2)'ing for readability or writability of a file descriptor 
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
 2002-08-29 00:44:11 +00:00
Philippe Charnier
7fed38d0a0 Replace various spelling with FALLTHROUGH which is lint()able 2002-08-25 13:10:45 +00:00
Daniel Eischen
582dfa2dd4 Oops, forgot to set the suspended flag for threads that are created 
initially suspended.  This was preventing such threads from getting
resumed.

Reported by:	Bill Huey <billh@gnuppy.monkey.org>
 2002-07-09 13:24:52 +00:00
Daniel Eischen
c3d580c9a1 Fix a couple of minor nits that prevented this from compiling. 
Pointed out by:	julian
 2002-07-02 01:26:16 +00:00
Daniel Eischen
88127f1a62 Make sigpending and sigsuspend account for signals that are pending on 
the process as well as pending on the current thread.

Reported by:	Andrew MacIntyre <andymac@bullseye.apana.org.au>
 2002-06-28 13:28:41 +00:00
Daniel Eischen
b4e1c937c7 Add a wrapper for pselect() in order to make it a cancellation point. 
Prompted by: wollman
 2002-06-28 13:26:02 +00:00
Robert Watson
4a85ccbe6d Missed in earlier commit -- I did cvs commit src/lib/libc. Oops. 2002-06-14 04:02:25 +00:00
Daniel Eischen
5eb8d1f0b0 Revamp suspend and resume. While I'm here add pthread_suspend_all_np() 
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.
 2002-05-24 04:32:28 +00:00
Alfred Perlstein
2b75bbdb31 Undo namespace pollution by prefixing the globals pthread_guard_default and 
pthread_page_size.

Fix a bunch line wrapping.

Pointed out by: deischen
 2002-05-15 05:37:48 +00:00
Alfred Perlstein
efe5270b1e Don't use PAGE_SIZE in userland, instead use getpagesize(), this is to 
allow running on other arches when the instructions are supported but
the page size granularity is not.

Glanced at by: peter
 2002-05-13 07:58:15 +00:00
Alfred Perlstein
e5ba687a2c Use GCC's __attribute__ ((constructor)) mechanism to invoke the pthread 
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.
 2002-05-11 08:13:42 +00:00
Archie Cobbs
663fc9cc7c Make these functions cancellation points like they should be: 
poll(2), readv(2), select(2), wait4(2), writev(2).

PR:		bin/37658
Reviewed by:	deischen
MFC after:	1 week
 2002-05-02 19:58:43 +00:00
Archie Cobbs
ca0989d865 Make sure calls to pthread_cancel() do not take effect if the target 
thread is already exiting.

PR:		bin/37614
Reviewed by:	deischen
MFC after:	1 week
 2002-05-02 19:57:59 +00:00
Dag-Erling Smørgrav
d397408818 Usage style sweep: spell "usage" with a small 'u'. 
Also change one case of blatant __progname abuse (several more remain)
This commit does not touch anything in src/{contrib,crypto,gnu}/.
 2002-04-22 13:44:47 +00:00
David E. O'Brien
07a7a2eba8 The GCC developers have made good on their threats against #pragma for 3.1. 
Use __weak_reference in place of the #pragma.

Submitted by:	eischen
 2002-04-15 23:11:38 +00:00
David E. O'Brien
cb81cd7952 Sync SCM ID comments with libc. 2002-04-15 20:22:28 +00:00
Jeroen Ruigrok van der Werven
92d2baa6a2 Return correct number of total bits set in all fd_set's. 
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
 2002-04-09 05:41:00 +00:00
Mark Murray
4cd0119367 Do not use __progname directly (except in [gs]etprogname(3)). 
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.
 2002-03-29 22:43:43 +00:00
Daniel Eischen
3003bdb598 Add the ability to recognize old references to keys, and return NULL 
when old keys are referenced (after pthread_key_delete()) via
pthread_getspecific().
 2002-03-19 22:58:56 +00:00
Brian S. Dean
b18ae9245d Fix the return code from pthread_rwlock_try[rw|rd]lock() functions; 
these should return EBUSY when the calling thread would block.

MFC after: 2 weeks
 2002-03-15 18:27:58 +00:00
Daniel Eischen
ca4b2c1a79 Properly clear the status of a join operation if the joining thread is 
canceled or the joinee is detached.
 2002-03-06 19:28:41 +00:00
Daniel Eischen
9e9c4443f6 Don't rely on <sys/signal.h> to include <sys/ucontext.h> 2002-02-17 17:21:27 +00:00
Maxim Konovalov
0878d2e5e9 Correct a typo pthread_attr_setscope() function fails unconditionally 
due to.

PR:		misc/30699
Reviewed by:	jasone, ru
Approved by:	jasone, ru
MFC after:	1 week
 2002-02-14 15:20:36 +00:00