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971fa117c0
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Cy Schubert 971fa117c0 Currently the fragment info is placed at the top of the linked list 
under a shared read lock. This patch attempts to upgrade the lock to
an exclusive write lock. If the exclusive write lock fails to be
obtained, the current fragment is not placed at the head of the list.

This portion of the patch was inspired by NetBSD ip_frag.c r1.4 (which
effectively removed the section of code that performed the reordering).

The patch to sys/contrib/ipfilter/netinet/ip_compat.h adds the
MUTEX_TRY_UPGRADE macro to support the patch to ip_frag.c.

The patch to contrib/ipfilter/lib/rwlock_emul.c supports this patch
by emulating the mutex in userspace when exercised by ipftest(1).

Inspired by:	NetBSD ip_frag.c r1.4
MFC after:	1 month
2017-01-26 01:24:05 +00:00
..
amd Fix mips 32-bit buildworld. 2016-11-14 00:33:03 +00:00
apr Update apr-1.5.1 to 1.5.2 2015-08-09 05:14:25 +00:00
apr-util
atf Fix conversion from C++ std::string into C const char *. 2016-09-29 09:16:02 +00:00
binutils libbfd: make sure variables are initialized before using them. 2016-12-16 00:35:59 +00:00
blacklist Make blacklist-helper commands emit a message when successful 2016-10-04 23:10:43 +00:00
bmake Merge bmake-20161212 2016-12-19 23:38:07 +00:00
bsnmp Fix regression from r310655, which broke operation of bsnmpd if it is bound 2017-01-17 03:52:57 +00:00
byacc MFV: r309561 2016-12-13 22:16:02 +00:00
bzip2 bzip2 does not exit after showing license as requested with --version 2016-12-28 18:04:18 +00:00
com_err
compiler-rt Update compiler-rt to release_39 branch r288513. Since this contains a 2016-12-02 20:17:41 +00:00
cortex-strings Fix the asm on the memchr and strchr functions. 2016-09-19 14:36:16 +00:00
dialog
diff Fix the wrong format, format specifies type 'int' but the argument has type 2015-06-01 06:14:17 +00:00
dma dma-mbox-create: Restrict with Capsicum 2016-12-16 01:48:55 +00:00
dtc Silence clang warning about extraneous parenthesis 2015-06-05 17:18:10 +00:00
ee
elftoolchain strings: avoid unnecessary trip through handle_file for stdin 2017-01-25 20:59:06 +00:00
expat MFV r302260: expat 2.2.0 2016-07-01 05:48:45 +00:00
file MFV r308392: file 5.29. 2016-11-07 15:54:47 +00:00
flex
gcc Create a new MACHINE_ARCH for Freescale PowerPC e500v2 2016-10-22 01:57:15 +00:00
gcclibs Define libcpp's HAVE_DESIGNATED_INITIALIZERS in a defined and portable 2016-09-05 18:02:37 +00:00
gdb Fix KGDB backtrace on ARM 2016-04-20 17:58:13 +00:00
gdtoa
gperf
groff Perl is not available in base fix scripts depending on it to use 2016-12-10 12:02:32 +00:00
hyperv/tools hyperv/vss: Nuke unused variables. 2016-11-17 03:00:56 +00:00
ipfilter Currently the fragment info is placed at the top of the linked list 2017-01-26 01:24:05 +00:00
jemalloc Update jemalloc to 4.4.0. 2016-12-04 21:13:26 +00:00
ldns
ldns-host Initialize first_serial to 0 in dozonetransfer(..) to fix -Wuninitialized 2016-07-14 06:10:16 +00:00
less MFV r293125: less v481. 2016-01-05 05:25:16 +00:00
libarchive MFV r311899: 2017-01-10 21:59:35 +00:00
libbegemot
libc-pwcache
libc-vis strvis(3): Avoid internal state of multibyte functions being tainted. 2016-12-06 17:05:02 +00:00
libc++ Update libc++ to release_39 branch r287912. 2016-11-26 15:01:35 +00:00
libcxxrt Add _US_ACTION_MASK to libcxxrt's arm-specific unwind header. This 2016-09-04 21:48:58 +00:00
libdivsufsort Change bsdiff to use divsufsort suffix sort library instead of qsufsort, 2016-07-25 03:58:19 +00:00
libexecinfo Remove usage of _WITH_DPRINTF 2016-07-30 01:16:06 +00:00
libgnuregex Back out non-collating [a-z] ranges. 2016-07-14 09:45:07 +00:00
libpcap Fix a style(9) bug. 2016-08-03 20:21:58 +00:00
libreadline
libstdc++
libucl Import libucl 20160812 2016-10-01 00:14:01 +00:00
libxo Update libxo to 0.6.3 2016-07-03 01:35:27 +00:00
llvm Pull in r276136 from upstream llvm trunk (by Wei Mi): 2017-01-25 17:59:22 +00:00
mdocml Import mandoc cvs snapshot 20170121 (pre 1.14) 2017-01-21 13:17:25 +00:00
mknod
mtree Use type-independent formats for printing nlink_t and ino_t. 2017-01-06 16:59:33 +00:00
ncurses In ncurses baudrate definitions, avoid warnings about implicit 2016-08-27 20:33:19 +00:00
netbsd-tests Remove contrib/netbsd-tests/fs/nfs/nfsservice/rpcbind 2017-01-14 06:16:57 +00:00
netcat MFV r288243: nc from OpenBSD 5.8. 2015-09-27 07:04:16 +00:00
ngatm Fix the following clang 4.0.0 warning in ngatm's snmp_atm.c: 2017-01-07 15:57:12 +00:00
ntp Replay r304721 in contrib/ so the change won't get lost across import. 2016-11-22 08:30:32 +00:00
nvi
ofed When MAKEOBJDIRPREFIX points to a case-insensitive file system, the 2016-09-24 17:50:11 +00:00
one-true-awk The bug: 2016-09-03 23:04:56 +00:00
openbsm auditdistd: update for sys/capability.h rename in r263232 2016-09-20 12:58:28 +00:00
openpam Restore the upstream (and documented) behavior of searching for modules 2015-09-21 17:26:35 +00:00
openresolv MFV r298167, r300962, r303048: 2016-07-20 03:52:04 +00:00
opie
pam_modules/pam_passwdqc
pf Rename getline with get_line to avoid collision with getline(3) 2016-05-10 11:09:26 +00:00
pjdfstest Better handle filesystems mounted with -o noexec 2016-03-12 19:41:38 +00:00
pnpinfo
sendmail Remove unneeded libutil dependency for sendmail. 2015-11-24 04:19:55 +00:00
serf Update serf from 1.3.7 to 1.3.8. Mostly disables sslv2 and sslv3. 2015-08-09 05:16:14 +00:00
smbfs Add #include <string.h> to mute warning from clang/gcc about implicitly 2016-02-01 07:09:08 +00:00
sqlite3 MFV r304732. 2016-08-24 12:32:24 +00:00
subversion Update from subversion 1.9.4 to 1.9.5. 2016-12-01 07:50:44 +00:00
tcp_wrappers After r311459, some ports can break, because a few of the newly added 2017-01-06 21:40:30 +00:00
tcpdump In tcpdump's print-tcp.c, avoid increasing alignment when taking the 2017-01-07 00:17:01 +00:00
tcsh To mimic system glob, we definitely don't need manual upper/lower hack. 2016-07-14 09:40:42 +00:00
telnet When telnetd(8) composes argument list for login(1), an unexpected sequence 2016-12-06 18:50:22 +00:00
tnftp Fix warnings in tnftp about invalid constant conversions, e.g.: 2016-08-30 20:24:50 +00:00
top Add a toggle to display the approximate amount of swap used by each 2016-09-05 08:27:04 +00:00
traceroute The code starts with base + 1 as the first port. Fix to documentation 2015-05-31 12:18:30 +00:00
tzcode Incorporate a change from OpenBSD by millert@OpenBSD.org 2016-10-08 17:46:29 +00:00
tzdata Import tzdata 2016j 2016-12-04 23:23:59 +00:00
unbound Upgrade to Unbound 1.5.10. 2016-09-29 18:24:29 +00:00
unvis
vis
wpa [wpa] use IFM_IEEE80211_ADHOC for now on FreeBSD for IBSS operation. 2015-11-26 17:28:40 +00:00
xz MFV r311477: xz 5.2.3. 2017-01-06 07:54:53 +00:00
zlib MFV r312333: zlib 1.2.11. 2017-01-17 05:55:47 +00:00