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10234 Commits

Author SHA1 Message Date
deischen
4dd473489e Eliminate a race condition in timed waits (cv, mutex, and sleeps). 
MFC Candidate.

PR:	93592
 2006-02-23 21:34:08 +00:00
yar
d3fcb2cf25 Tell the truth about a) how to get the first fileid, and 
b) what return values from kldstat(2) can be expected.

Bump .Dd.

MFC after:	3 days
 2006-02-22 15:11:12 +00:00
davidxu
bb43155dbb Disable POSIX SIGEV_THREAD notification support, soon we will have a common 
library which can be reused both for libthr and libpthread.
 2006-02-22 02:52:22 +00:00
davidxu
91fda076fb Read cycle count before sending signal, this fixes a userland thread 
suspension bug.

MFC after: 3 days
 2006-02-20 09:02:40 +00:00
des
748c235cfd Add utility functions for checking if a given kernel module is loaded, 
and loading it.
 2006-02-18 11:25:28 +00:00
brd
ee6a29f334 - Massage wording to make it easier to understand and fix some grammar. 
Submitted by:	sbahra at gwu dot edu
Reviewed by:	ru@
Approved by:	ceri@
MFC after:	3 days
 2006-02-16 09:56:31 +00:00
deischen
63bc390672 Don't forget to initialize a tailq before using it. 
MFC candidate
Noticed by:	luoqi
 2006-02-16 01:33:36 +00:00
davidxu
70ea4e1323 Rework last change of pthread_once, create a function _thr_once_init to 
reinitialize its internal locks.
 2006-02-15 23:05:03 +00:00
davidxu
44a8ce5006 After fork(), reinitialize internal locks for pthread_once(). 2006-02-15 13:41:02 +00:00
gnn
a3483ac2d7 Clean up some descriptions and remove ambiguities in the language. 
Add explanations to the examples.

MFC after:	1 week
 2006-02-14 13:02:00 +00:00
kientzle
68f2d4ef56 Minor fixes to the code that generates an internal ustar filename 
for Pax extended attribute entries.
 2006-02-14 04:05:03 +00:00
kientzle
ad0af0f704 Extract device number information from SVR4 CPIO archives. 
Without this, you cannot properly restore device node entries
from such archives.

Thanks to: Steve 'dillo Okay for reporting this oversight.
 2006-02-14 04:00:14 +00:00
kan
b1ec908186 Remove extra slash from pty slave device name returned by ptsname. 2006-02-13 00:04:04 +00:00
rwatson
cea51dc68c Update copyright for 2006. 
MFC after:	3 days
 2006-02-11 19:21:39 +00:00
rwatson
f2e35917b9 The uma_zone data structure defines the size of its uz_cpu[] array as 1, 
but then sizes the containing data structure at run-time to make room
for per-cpu cache data.  Modify libmemstat to separately allocate a
buffer to hold per-cpu cache data, sized based on the run-time mp_maxid
variable when using libkvm to access UMA data.  This avoids reading
invalid cache data from beyond the end of the uma_zone data structure
on the stack, which can result in invalid statistics and/or reads from
invalid kernel addresses.

Foot target practice by:	ps
MFC after:			3 days
 2006-02-11 19:19:29 +00:00
rwatson
c1cbeeaeb1 When reporting an error reading from UMA per-cpu cache pointers using KVM, 
return a KVM error rather than an out of memory error, so that the caller
reports the KVM error state.  This replaces a misleading error message
with a more accurate although equally confusing one.

MFC after:	3 days
 2006-02-11 18:55:03 +00:00
rwatson
35f263ed80 Read all_cpus variable out of kmem, and validate CPUs against the all_cpus 
cpu mask before looking at the cache entries for the CPU.  For systems
with sparse CPU id arrays, this skips otherwise uninitialized cache
structures.

MFC after:	3 days
 2006-02-11 18:44:37 +00:00
rwatson
244cb93d72 Correct a typo in the extraction of zone information from UMA using kmem: 
bytes = allocated - freed, not bytes = allocated = freed.

MFC after:	3 days
 2006-02-11 16:54:00 +00:00
davidxu
b9945d52e2 Use ps_linfo to retrieve LWP info, current it is used to retrieve 
signal mask and pending signals.
 2006-02-07 02:55:34 +00:00
davidxu
6cfb2f2fce Use ps_linfo to retrieve LWP info. 2006-02-07 02:51:25 +00:00
davidxu
879ea1a11b Replace ptrace syscall with ps_lgetgregs to check a LWP's existence. 2006-02-07 02:12:33 +00:00
davidxu
f9048c6816 Always clear thread info buffer to zero. 2006-02-06 11:54:19 +00:00
davidxu
08b1c5c928 Now, thread name is stored in kernel, userland no longer has to keep it. 2006-02-05 03:04:54 +00:00
davidxu
118990614c use syscall thr_set_name to implement pthread_set_name_np. 2006-02-05 02:26:17 +00:00
phk
f8e9593b7e Remove spurious "union arg" from printf.h 
Make sure to always print something in the alternate time format.
 2006-02-04 14:35:01 +00:00
dfr
a943b1ff7a The function isspace does not take a string argument. I have no idea how 
this compiled before; it only worked by accident.
 2006-02-04 09:40:21 +00:00
jasone
c3550ff9ae Fix calculation of the number of arenas to use on multi-processor systems. 2006-02-04 01:11:30 +00:00
rwatson
8c4a42a14f Add libbsm to the library build. 
Obtained from:	TrustedBSD Project
 2006-02-02 10:05:39 +00:00
joel
87dcb0582d Expand contractions. 2006-02-01 14:33:14 +00:00
phk
8920c8cd74 Add missing 's' suffix on alternate rendition of time. 2006-01-31 08:09:37 +00:00
harti
02a28f2514 Instead of printing several pieces with .Sy just enclose the 'Note' block 
into a .Bf/.Ef pair.

Submitted by:	ru
 2006-01-30 08:26:59 +00:00
glebius
e8ec4c3a0a - In pipe() return the error returned by pipe_create(), rather then 
hardcoded ENFILES, which is incorrect. pipe_create() can fail due
  to ENOMEM.
- Update manual page, describing ENOMEM return code.

Reviewed by:	arch
 2006-01-30 08:25:04 +00:00
cognet
80e1881f9b If the sysctl kern.pts.enable doesn't exist, check that /dev/ptmx is there, 
and if so, use the pts system.

Suggested by:	rwatson
 2006-01-29 00:02:57 +00:00
pjd
b5f41824ae - Add a note that passing NULL to pidfile_write(), pidfile_remove() and 
pidfile_close() functions is safe. This possibility is used in example code.
- Cast pid_t to int.

Requested by:	yar
 2006-01-28 14:13:15 +00:00
harti
9bf5db07ee The .Nm macro prints Open_Disk() instead of libdisk, so use an explicite 
argument to get 'libdisk'. Also bump the date of the man page.
 2006-01-27 16:38:05 +00:00
harti
8c7768240b Revert 1.45 now that snmp_hostres uses libgeom. 2006-01-27 16:32:13 +00:00
jasone
4018cc9c9b Remove unwarranted uses of 'goto'. 2006-01-27 07:46:22 +00:00
jasone
7d53fc1d66 Add NO_MALLOC_EXTRAS, so that various extra features that can cause 
performance degradation can be disabled via something like the following
in /etc/malloc.conf:

	CFLAGS+=-DNO_MALLOC_EXTRAS

Suggested by:	deischen
 2006-01-27 04:42:10 +00:00
jasone
94601bfc12 Fix the type of a statistics counter (unsigned --> unsigned long). 2006-01-27 04:36:39 +00:00
jasone
efa3cf2bb3 Clean up statistics gathering and printing. 2006-01-27 02:36:44 +00:00
pjd
be52ac2832 Remove debug printf. 2006-01-26 11:15:08 +00:00
jasone
6f41342041 Optimize arena_bin_pop() to reduce the number of separator operations. 
Remove the block of code that tries to use delayed regions in LIFO order,
since from a policy perspective, it conflicts with LRU caching of newly
coalesced regions in arena_undelay().  There are numerous policy
alternatives, and it isn't readily obvious which (if any) is superior;
this change at least has the virtue of being consistent with policy.
 2006-01-26 08:11:23 +00:00
kientzle
4a61fe30d0 Fix an aliasing error in the new TP support and reenable it in the build. 2006-01-26 05:28:56 +00:00
cognet
ee802bd791 Make getttyent() report what the pts ptys as well. 2006-01-26 01:34:26 +00:00
cognet
fcd65bac76 ptsname() bits for pts. 2006-01-26 01:33:55 +00:00
cognet
b7565a36f0 Teach openpty() how to deal with pts. 2006-01-26 01:33:26 +00:00
phk
a6d0508dd8 Make the %V{is} extension handle a NULL pointer like %s does: output "(null)" 
Add %M{essage} extension which prints an errno value as the
corresponding string if possible or numerically otherwise.

It is not currently possible to do the syslog(3) like %m extension
because errno would need to get capatured on entry to the first
function in the printf family, so %M requires you to supply errno
as an argument.

Add %Q{uote} extension which will print a string in double quotes with
appropriate back-slash escapes (only) if necessary.
 2006-01-25 12:45:24 +00:00
cognet
b52efc57be Add a dummy arm Write_Disk() function, and compile libdisk on arm. 2006-01-25 11:24:37 +00:00
dfr
7d855a2e46 Move the Internet Society copyright message so that it appears in the 
formatted page as well as the source.
 2006-01-25 10:06:28 +00:00
jasone
f7b6cf045e Remove a redundant variable assignment in arena_reg_frag_alloc(). 2006-01-25 05:41:02 +00:00