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91a2f929e4
freebsd/sys
History
Tim J. Robbins 541c3b66b5 When there are no free sem_undo structs available in semu_alloc(), only 
free one sem_undo with un_cnt == 0 instead of all of them. This is a
temporary workaround until the SLIST_FOREACH_PREVPTR loop gets fixed so
that it doesn't cause cycles in semu_list when removing multiple adjacent
items. It might be easier to just use (doubly-linked) LISTs here instead
of complicated SLIST code to achieve O(1) removals.

This bug manifested itself as a complete lockup under heavy semaphore use
by multiple processes with the SEM_UNDO flag set.

PR:		58984
2003-11-10 07:22:41 +00:00
..
alpha Change the clear_ret argument of get_mcontext() to be a flags argument. 2003-11-09 20:31:04 +00:00
amd64 Change the clear_ret argument of get_mcontext() to be a flags argument. 2003-11-09 20:31:04 +00:00
arm Add sysentvec->sv_fixlimits() hook so that we can catch cases on 64 bit 2003-09-25 01:10:26 +00:00
boot Implement PAL_HALT_LIGHT now that the kernel halts the processor 2003-11-09 07:42:16 +00:00
cam - Implement selwakeuppri() which allows raising the priority of a 2003-11-09 09:17:26 +00:00
coda - Implement selwakeuppri() which allows raising the priority of a 2003-11-09 09:17:26 +00:00
compat Use kern_sendit rather than sendit for the Linux send* syscalls. 2003-11-09 17:04:04 +00:00
conf Rename npx.c to fpu.c (it isn't an extension, its part of the core 2003-11-08 02:40:40 +00:00
contrib This commit was generated by cvs2svn to compensate for changes in r122208, 2003-11-07 08:54:27 +00:00
crypto Add a testcase which validates that the same buffer can be passed to 2003-10-19 22:12:23 +00:00
ddb Reworked rev.1.14. Use the ELF symbol type again to summarily reject 2003-09-28 06:02:33 +00:00
dev * Improve sbp device probe in boot process. 2003-11-10 03:51:23 +00:00
fs - Implement selwakeuppri() which allows raising the priority of a 2003-11-09 09:17:26 +00:00
geom Close the right consumers if we run into trouble opening them all. 2003-10-24 18:47:31 +00:00
gnu Fixed a reference to a nonexistent variable in previous commit. Renaming 2003-11-05 11:56:58 +00:00
i4b - Implement selwakeuppri() which allows raising the priority of a 2003-11-09 09:17:26 +00:00
i386 Change the clear_ret argument of get_mcontext() to be a flags argument. 2003-11-09 20:31:04 +00:00
ia64 In get_mcontext(), do not update bspstore and ndirty in the trapframe. 2003-11-10 05:28:05 +00:00
isa - Implement selwakeuppri() which allows raising the priority of a 2003-11-09 09:17:26 +00:00
isofs/cd9660 DuH! 2003-10-18 14:10:28 +00:00
kern When there are no free sem_undo structs available in semu_alloc(), only 2003-11-10 07:22:41 +00:00
libkern - Support for multibyte charsets in LIBICONV. 2003-09-26 20:26:25 +00:00
modules Add the Makefile glue for the udf_iconv module. 2003-11-07 09:38:05 +00:00
net - Implement selwakeuppri() which allows raising the priority of a 2003-11-09 09:17:26 +00:00
net80211 fix typo that broke AP scanning by BSSID 2003-11-09 23:36:46 +00:00
netatalk o add a flags parameter to netisr_register that is used to specify 2003-11-08 22:28:40 +00:00
netatm o add a flags parameter to netisr_register that is used to specify 2003-11-08 22:28:40 +00:00
netgraph o add a flags parameter to netisr_register that is used to specify 2003-11-08 22:28:40 +00:00
netinet replace explicit changes to rt_refcnt by RT_ADDREF and RT_REMREF 2003-11-08 23:36:32 +00:00
netinet6 replace explicit changes to rt_refcnt by RT_ADDREF and RT_REMREF 2003-11-08 23:36:32 +00:00
netipsec MFp4: portability work, general cleanup, locking fixes 2003-09-29 22:57:43 +00:00
netipx o add a flags parameter to netisr_register that is used to specify 2003-11-08 22:28:40 +00:00
netkey - cleanup SP refcnt issue. 2003-11-04 16:02:05 +00:00
netnatm o add a flags parameter to netisr_register that is used to specify 2003-11-08 22:28:40 +00:00
netncp The present defaults for the open and close for device drivers which 2003-09-27 12:01:01 +00:00
netsmb - Support for multibyte charsets in LIBICONV. 2003-09-26 20:26:25 +00:00
nfs
nfsclient Assert GIANT_REQUIRED where sockets are manipulated. This is 2003-11-07 22:57:09 +00:00
nfsserver Assert GIANT_REQUIRED where sockets are manipulated. This is 2003-11-07 22:57:09 +00:00
opencrypto falloc allocates a file structure and adds it to the file descriptor 2003-10-19 20:41:07 +00:00
pc98 Change the clear_ret argument of get_mcontext() to be a flags argument. 2003-11-09 20:31:04 +00:00
pccard - Implement selwakeuppri() which allows raising the priority of a 2003-11-09 09:17:26 +00:00
pci Ahh, the joys of badge engineering. Tell the sk driver that the 2003-11-07 22:04:26 +00:00
posix4 sched_setscheduler: Return EINVAL when a invalid policy is specified, 2003-09-13 18:46:24 +00:00
powerpc Change the clear_ret argument of get_mcontext() to be a flags argument. 2003-11-09 20:31:04 +00:00
rpc
security Replace a '-' with a ')'. Update copyright. 2003-11-08 00:21:20 +00:00
sparc64 Change the clear_ret argument of get_mcontext() to be a flags argument. 2003-11-09 20:31:04 +00:00
sys If a thread masks all its signal, in cursig(), no signal will be exchanged 2003-11-10 03:11:08 +00:00
tools Changes for new SMP-safe kobj method dispatch algorithm. 2003-10-16 13:29:26 +00:00
ufs Remove mntvnode_mtx and replace it with per-mountpoint mutex. 2003-11-05 04:30:08 +00:00
vm - The Open Group Base Specifications Issue 6 specifies that an munmap(2) 2003-11-10 01:37:40 +00:00
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