503 Commits

Author SHA1 Message Date
deischen
4819c92a75 Remove duplicate $FreeBSD$ id. 2003-04-18 07:45:03 +00:00
deischen
d729efd111 Sorry folks; I accidentally committed a patch from what I was working
on a couple of days ago.  This should be the most recent changes.

Noticed by:	davidxu
2003-04-18 07:09:43 +00:00
deischen
f3007d8862 Comment out the addition of -g to CFLAGS. This snuck in from
my local version.
2003-04-18 05:06:56 +00:00
deischen
5d56aa9cb2 Revamp libpthread so that it has a chance of working in an SMP
environment.  This includes support for multiple KSEs and KSEGs.

The ability to create more than 1 KSE via pthread_setconcurrency()
is in the works as well as support for PTHREAD_SCOPE_SYSTEM threads.
Those should come shortly.

There are still some known issues which davidxu and I are working
on, but it'll make it easier for us by committing what we have.

This library now passes all of the ACE tests that libc_r passes
with the exception of one.  It also seems to work OK with KDE
including konqueror, kwrite, etc.  I haven't been able to get
mozilla to run due to lack of java plugin, so I'd be interested
to see how it works with that.

Reviewed by:	davidxu
2003-04-18 05:04:16 +00:00
deischen
e68f624d87 Add FIFO queueing locking operations based on atomic swap.
Modify thread errno for the new libpthread changes.

Reviewed by:	davidxu
2003-04-18 05:02:39 +00:00
deischen
9fe0b6bde6 Add architecture dependent atomic ops (atomic_swap only), KSE specific
data, and userland versions of [gs]etcontext().

Modify the UTS entry and exit functions to account of FPU validity
and format.
2003-04-18 05:00:52 +00:00
jeff
b16324e722 - Define a _spinunlock() function so that threading implementations may do
more complicated things than just setting the lock to 0.
 - Implement stubs for this function in libc and the two threading libraries
   that are currently in the tree.
2003-03-26 04:02:24 +00:00
davidxu
71e2d62a49 Backout last commit.
Requested by: jhb
2003-03-15 04:45:42 +00:00
davidxu
496ff1af45 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
phantom
c4af5dc854 Fix cut'n'paste error
Noticed by:	julian
2003-03-05 20:50:03 +00:00
phantom
4f2d1b56c7 MFlibc_r: add and document pthread_attr_get_np() function. 2003-03-03 22:40:20 +00:00
davidxu
212ceca6b8 Fix compiling error. 2003-02-26 08:28:28 +00:00
mini
9318f6d82c Insert threads interrupted by a signal while running onto the run queue. 2003-02-23 21:15:25 +00:00
mini
dd3fb86399 Add signal logic to the build. 2003-02-23 21:14:08 +00:00
mini
f410bbff9b Deliver signals posted via an upcall to the appropriate thread. 2003-02-17 10:05:18 +00:00
alfred
e18d5c6fff Actually link in the attr_{set,get}stack. 2003-02-11 07:28:28 +00:00
alfred
6a79467bbd Add pthread_attr_getstack() and pthread_attr_setstack().
Submitted by: Craig Rodrigues <rodrigc@attbi.com>
2003-02-10 08:48:04 +00:00
fjoe
52bbb9400b remove #ifdef _THREAD_SAFE 2003-01-24 01:46:30 +00:00
deischen
c27018b9df 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
mini
930a90029b 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
mini
a00a2d6daf Get the wall clock time from the KSE mailbox, rather than doing another
syscall.
2002-11-24 06:43:21 +00:00
davidxu
ed0591ed98 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
davidxu
cf1800bd88 Fix idle timeout bug, use correct current time of day. 2002-11-20 12:35:59 +00:00
davidxu
93f8f962e2 Adjust code for new mailbox format.
Reviewed by: deischen, mini
2002-11-18 02:02:08 +00:00
mini
afd12f968b Schedule an idle context to block until timeouts expire without blocking
further upcalls.
2002-11-12 00:55:01 +00:00
mini
a963f9fb88 Make pthread_sigmask(3) operate on the thread signal mask, not the process
signal mask.
2002-10-30 07:13:27 +00:00
mini
ee4068ef29 Use KSE to schedule threads. 2002-10-30 06:07:18 +00:00
robert
4ab3b5c0e7 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
0a7f0ba37e Zap now-unused SHLIB_MINOR 2002-09-28 00:25:32 +00:00
mini
6077cee242 Make libpthread KSE aware.
Reviewed by:	deischen, julian
Approved by:	-arch
2002-09-16 19:52:52 +00:00
mini
4726269c93 Mechanically change all libc_r references to libpthread. 2002-09-16 19:29:34 +00:00
mini
a116d71409 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
deischen
8347fcb52d 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
af2ae1a6ea 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
18b0669383 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
charnier
4966efff7b Replace various spelling with FALLTHROUGH which is lint()able 2002-08-25 13:10:45 +00:00
deischen
22c445eb6f 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
deischen
dc65596ce8 Fix a couple of minor nits that prevented this from compiling.
Pointed out by:	julian
2002-07-02 01:26:16 +00:00
deischen
aafea422a5 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
deischen
1ef8e6c4af Add a wrapper for pselect() in order to make it a cancellation point.
Prompted by: wollman
2002-06-28 13:26:02 +00:00
rwatson
08a58ea957 Missed in earlier commit -- I did cvs commit src/lib/libc. Oops. 2002-06-14 04:02:25 +00:00
deischen
9ba1f9fa38 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
71694f1a9c 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
135bb8bda2 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
7124e5c223 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
b163f64d4e 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
7efe637f5a 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
des
4d6b787d2d 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
obrien
2cae3ce3f1 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
obrien
b297f3946c Sync SCM ID comments with libc. 2002-04-15 20:22:28 +00:00