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* bgpd/(general) refcount struct peer and bgp_info, hence allowing us
add work_queues for bgp_process.
* bgpd/bgp_route.h: (struct bgp_info) Add 'lock' field for refcount.
Add bgp_info_{lock,unlock} helper functions.
Add bgp_info_{add,delete} helpers, to remove need for
users managing locking/freeing of bgp_info and bgp_node's.
* bgpd/bgp_table.h: (struct bgp_node) Add a flags field, and
BGP_NODE_PROCESS_SCHEDULED to merge redundant processing of
nodes.
* bgpd/bgp_fsm.h: Make the ON/OFF/ADD/REMOVE macros lock and unlock
peer reference as appropriate.
* bgpd/bgp_damp.c: Remove its internal prototypes for
bgp_info_delete/free. Just use bgp_info_delete.
* bgpd/bgpd.h: (struct bgp_master) Add work_queue pointers.
(struct peer) Add reference count 'lock'
(peer_lock,peer_unlock) New helpers to take/release reference
on struct peer.
* bgpd/bgp_advertise.c: (general) Add peer and bgp_info refcounting
and balance how references are taken and released.
(bgp_advertise_free) release bgp_info reference, if appropriate
(bgp_adj_out_free) unlock peer
(bgp_advertise_clean) leave the adv references alone, or else
call bgp_advertise_free cant unlock them.
(bgp_adj_out_set) lock the peer on new adj's, leave the reference
alone otherwise. lock the new bgp_info reference.
(bgp_adj_in_set) lock the peer reference
(bgp_adj_in_remove) and unlock it here
(bgp_sync_delete) make hash_free on peer conditional, just in
case.
* bgpd/bgp_fsm.c: (general) document that the timers depend on
bgp_event to release a peer reference.
(bgp_fsm_change_status) moved up the file, unchanged.
(bgp_stop) Decrement peer lock as many times as cancel_event
canceled - shouldnt be needed but just in case.
stream_fifo_clean of obuf made conditional, just in case.
(bgp_event) always unlock the peer, regardless of return value
of bgp_fsm_change_status.
* bgpd/bgp_packet.c: (general) change several bgp_stop's to BGP_EVENT's.
(bgp_read) Add a mysterious extra peer_unlock for ACCEPT_PEERs
along with a comment on it.
* bgpd/bgp_route.c: (general) Add refcounting of bgp_info, cleanup
some of the resource management around bgp_info. Refcount peer.
Add workqueues for bgp_process and clear_table.
(bgp_info_new) make static
(bgp_info_free) Ditto, and unlock the peer reference.
(bgp_info_lock,bgp_info_unlock) new exported functions
(bgp_info_add) Add a bgp_info to a bgp_node in correct fashion,
taking care of reference counts.
(bgp_info_delete) do the opposite of bgp_info_add.
(bgp_process_rsclient) Converted into a work_queue work function.
(bgp_process_main) ditto.
(bgp_processq_del) process work queue item deconstructor
(bgp_process_queue_init) process work queue init
(bgp_process) call init function if required, set up queue item
and add to queue, rather than calling process functions directly.
(bgp_rib_remove) let bgp_info_delete manage bgp_info refcounts
(bgp_rib_withdraw) ditto
(bgp_update_rsclient) let bgp_info_add manage refcounts
(bgp_update_main) ditto
(bgp_clear_route_node) clear_node_queue work function, does
per-node aspects of what bgp_clear_route_table did previously
(bgp_clear_node_queue_del) clear_node_queue item delete function
(bgp_clear_node_complete) clear_node_queue completion function,
it unplugs the process queues, which have to be blocked while
clear_node_queue is being processed to prevent a race.
(bgp_clear_node_queue_init) init function for clear_node_queue
work queues
(bgp_clear_route_table) Sets up items onto a workqueue now, rather
than clearing each node directly. Plugs both process queues to
avoid potential race.
(bgp_static_withdraw_rsclient) let bgp_info_{add,delete} manage
bgp_info refcounts.
(bgp_static_update_rsclient) ditto
(bgp_static_update_main) ditto
(bgp_static_update_vpnv4) ditto, remove unneeded cast.
(bgp_static_withdraw) see bgp_static_withdraw_rsclient
(bgp_static_withdraw_vpnv4) ditto
(bgp_aggregate_{route,add,delete}) ditto
(bgp_redistribute_{add,delete,withdraw}) ditto
* bgpd/bgp_vty.c: (peer_rsclient_set_vty) lock rsclient list peer
reference
(peer_rsclient_unset_vty) ditto, but unlock same reference
* bgpd/bgpd.c: (peer_free) handle frees of info to be kept for lifetime
of struct peer.
(peer_lock,peer_unlock) peer refcount helpers
(peer_new) add initial refcounts
(peer_create,peer_create_accept) lock peer as appropriate
(peer_delete) unlock as appropriate, move out some free's to
peer_free.
(peer_group_bind,peer_group_unbind) peer refcounting as
appropriate.
(bgp_create) check CALLOC return value.
(bgp_terminate) free workqueues too.
* lib/memtypes.c: Add MTYPE_BGP_PROCESS_QUEUE and
MTYPE_BGP_CLEAR_NODE_QUEUE
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database ..." commands for vtysh by extract.pl. Remove duplicate
install_element calls.
Fixes bugzilla #194. [backport candidate]
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* zserv.c: (zsend_route_multipath) Fix bug if route is sent
with no NEXTHOP_FLAG_FIB nexthops. As ZAPI_MESSAGE_IFINDEX
and ZAPI_MESSAGE_NEXTHOP are always set, clients would try
read non-existent nexthop information and hit stream assert.
Zserv is still broken for multi-nexthop messages, but it always was.
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* ripd.c: (rip_output_process) fix error which crept in my
previous rip auth untanglement commit - it had become impossible
to not have authentication (even for v1).
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[backport candidate]
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Fixes bugzilla #89. [backport candidate]
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deleting fix. Avoid leaking bgp->group, bgp->peer and bgp->rsclient
lists.
[backport candidate]
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* ospf_abr.c: (ospf_abr_update_aggregate) Fix comment, cost bug itself
had been fixed long ago by Sowmini.
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[backport candidate]
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[backport candidate]
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address as nexthop in routemap.
Fixes bugzilla #186. [backport candidate]
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in and out interfaces.
Fixes bugzilla #185. [backport candidate]
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neighbor x.x.x.x routemap [export|import] commands work again.
Fixes bugzilla #184. [backport candidate]
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* isisd.c: (show_isis_generated_topology) change to _RO version
of list macro. remove the extra listnode variable. one of the
macros had had incorrect number of arguments.
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* memtypes.h: update this auto-built file. (maybe we should just
remove it, is GNU awk a terrible dependency to have?)
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* bgp_fsm.h: Add extern qualifier to exported functions
* bgp_nexthop.c: add static to nexthop specific globals
* *.h: Add guard defines
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* workqueue.h: Add a WQ_QUEUE_BLOCKED item_status return code,
to allow a queue function to indicate the queue is not
ready/blocked - rather than any problem with the item at hand.
Add a notion of being able to 'plug' and 'unplug' a queue.
Add helpers to plug/unplug a queue.
Add a completion callback, to be called when a queue is emptied.
* workqueue.c: (work_queue_new) remove useless list_free.
(work_queue_schedule) new internal helper function to schedule
queue, if appropriate.
(work_queue_add) use work_queue_schedule
(show_work_queues) Print 'P' if queue is plugged.
(work_queue_plug) new API function, plug a queue - ie prevent it
from 'drained' / processed / scheduled.
(work_queue_unplug) unplug a queue, allowing it to be drained
/ scheduled / processed again.
(work_queue_run) Add support for WQ_QUEUE_BLOCKED.
Add comment for RETRY_NOW case.
Make hysteris more aggresive in ramping up granularity, improves
performance significantly.
Add support for calling completion callback when queue is emptied,
possibly useful for knowing when to unplug a queue.
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* bgp_routemap.c: add semi-colons to VTY_GET_* to match vty.h change
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* routemap.c: (rmap_onmatch_goto) fix crash if 'continue' command
is used, which does not supply an argv[0].
this is a backport candidate /iff/ the trailing ; is removed
from VTY_GET_INTEGER_RANGE
* vty.h: fix the VTY_GET macros, do {..} while(0) so they have
correct function like syntax in usage.
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* memtypes.awk: use character classes, which work correctly in
all LC_COLLATE environments, unlike A-Z, which doesnt work in
eg estonian collate order. Reported by Hasso.
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* memtypes.c: (memory_list_bgp) add MTYPE_BGP_PEER_HOST
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* bgp_network.c: (bgp_accept) use XSTRDUP
* bgpd.c: (peer_delete) XFREE the correct memtype, not free.
(peer_create) use XSTRDUP
* bgp_packet.c: (bgp_stream_dup) deleted, stream_dup should be used
(various) update -> s/bgp_stream_dup/stream_dup
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* bgp_fsm.c: (bgp_stop) use sockunion_free, not XFREE..
* bgp_network.c: (bgp_getsockname) ditto
* bgp_routemap.c: (route_match_peer) ditto, als use a ret value and
remove one sockunion_free.
* bgpd.c: (peer_delete) ditto
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* sockunion.c: (sockunion_getsockname) use MTYPE_SOCKUNION, not TMP
(sockunion_getpeername) ditto
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* thread.c: (thread_cancel_event) the number of pending events
cancelled is potentially useful information, dont throw it away,
pass it back to the caller.
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* ospf_interface.c: (ospf_if_table_lookup) Fix a serious bug
a less serious one.
1: this function is supposed to lookup
entries in the oifs ospf_interface route_table and return either
an existing oi or NULL to indicate not found, its caller depends
on this, yet this function uses route_node_get which /always/
returns a route_node - one is created if none exists. Use
route_node_lookup instead. This should fix root cause of the
reports of the (ospf_add_to_if) assert being hit.
2: oi's are inserted into this table with prefixlength set to
/32 (indeed, it should be a hash table, not a route_table),
however prefixlength to lookup was not changed, if no valid entry
can be inserted other than /32, then nothng but /32 should be
looked up. This possibly only worked by fluke..
Fix confirmed by 2 reporters (one list, one IRC), definitely a
backport candidate once it has been incubated in HEAD for a while.
Thanks to Patrick Friedel and Ivan Warren for testing.
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* getopt.h: It's not just __GNU_LIBRARY__ which defines
getopt, eg __EXTENSIONS__ does too on SunOS. It still seems
awfully fragile though.
* getopt.c: include zebra.h after config.h, before including
getopt.h so that things at least are consistent..
* getopt1.c: ditto
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defines.texi is autogenerated every configure time so it will always
be newer than quagga.info, and hence require quagga.info to be built. drat.
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* prototype.daemons.in: Move the Solaris 10 SMF specific stuff to
a seperate package.
* depend.smf: dependencies for smf package
* pkginfo.smf.tmpl.in: pkginfo for smf
* prototype.smf.in: prototype for smf
* Makefile.am: Add smf to pkg_names
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* quagga.xml.in: Sigh, XML child elements are order-sensitive.
* prototype.doc.in: info/dir doesnt get created always.. comment
out for now, likely needs to be done with an install method.
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* configure.ac: Comment out the touch doc/quagga.info hack. I'm
hoping it's not needed anymore, cause it breaks out of tree builds
which i've become fond of.. Plus I think we sorted out most of
the original problems (updated texinfo.tex, moved the version
info to an autogenerated by automake version.texi). Dist users
most definitely wont be affected.
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* (general) Fix memory leaks in opaque AS-scope LSAs, reported and
with much debugging done by by scott collins <scollins@agile.tv>.
(possible backport candidate?)
* ospf_lsa.c: (ospf_discard_from_db) dont call
ospf_ase_unregister_external_lsa for opaque-lsa's, opaques are
never registered with ase in the first place.
* ospf_packet.c: (general) Disabuse opaque related code of its
tendency to try gather up things into temporary lists.
(ospf_ls_upd) remove the temporary lists opaque uses, call
opaque functions inline, just like all other types.
(ospf_ls_ack) ditto.
(ospf_recv_packet) fixup sign warning.
* ospf_opaque.c: (general) fix the unneeded use of lists, and
untwist some of the logic.
(ospf_opaque_self_originated_lsa_received) take a single LSA
as argument, not a list of them. Remove the list loop. Logic
otherwise unchanged.
(ospf_opaque_ls_ack_received) Mostly ditto. But untwist the logic,
move the actions up into the switch block, remove the goto's and
sanitise the logic near the end a bit.
* ospf_opaque.h: Adjust definitions of aforementioned functions
in ospf_opaque.c to match.
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* rip_interface.c (rip_interface_add): Need to call
rip_passive_interface_apply (was already calling it in
rip_interface_up).
[backport candidate]
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* configure.ac: Check for OSes which support passing ifindex in
struct ip_mreq.
* lib/sockopt.c: Add support for BSD style ifindex in ip_mreq.
* ospfd/ospf_network.c: Log ifindex on multicast membership leave/join
events.
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* (general) extern and static qualifiers added.
unspecified arguments in definitions fixed, typically they should
be 'void'.
function casts added for callbacks.
Guards added to headers which lacked them.
Proper headers included rather than relying on incomplete
definitions.
gcc noreturn function attribute where appropriate.
* ospf_opaque.c: remove the private definition of ospf_lsa's
ospf_lsa_refresh_delay.
* ospf_lsa.h: export ospf_lsa_refresh_delay
* ospf_packet.c: (ospf_make_md5_digest) make *auth_key const,
correct thing to do - removes need for the casts later.
* ospf_vty.c: Use vty.h's VTY_GET_INTEGER rather than ospf_vty's
home-brewed versions, shuts up several warnings.
* ospf_vty.h: remove VTY_GET_UINT32. VTY_GET_IPV4_ADDRESS and
VTY_GET_IPV4_PREFIX moved to lib/vty.h.
* ospf_zebra.c: (ospf_distribute_list_update_timer) hacky
overloading of the THREAD_ARG pointer should at least use
uintptr_t.
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* zserv.h: Remove ZEBRA_PORT definition, its in lib/zebra.h now
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* (general) extern and static'ification of functions in code and
header.
Cleanup any definitions with unspecified arguments.
Add casts for callback assignments where the callback is defined,
typically, as passing void *, but the function being assigned has
some other pointer type defined as its argument, as gcc complains
about casts from void * to X* via function arguments.
Fix some old K&R style function argument definitions.
Add noreturn gcc attribute to some functions, as appropriate.
Add unused gcc attribute to some functions (eg ones meant to help
while debugging)
Add guard defines to headers which were missing them.
* command.c: (install_node) add const qualifier, still doesnt shut
up the warning though, because of the double pointer.
(cmp_node) ditto
* keychain.c: (key_str2time) Add GET_LONG_RANGE() macro, derived
fromn vty.h ones to fix some of the (long) < 0 warnings.
* thread.c: (various) use thread_empty
(cpu_record_hash_key) should cast to uintptr_t, a stdint.h type
* vty.h: Add VTY_GET_IPV4_ADDRESS and VTY_GET_IPV4_PREFIX so they
removed from ospfd/ospf_vty.h
* zebra.h: Move definition of ZEBRA_PORT to here, to remove
dependence of lib on zebra/zserv.h
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* (general) More cleaning up of stream abuse, isisd should be
back to previous functionality. Replace various XMALLOC+memset's
with XCALLOC
* isis_tlv.c: (tlv_add_padding) use stream_put to clear the stream
rather than forward endp, as isisd reuses streams.
* isis_pdu.c: (process_lsp) cleanup direct reference to stream endp
(send_lsp) manual copy of a stream cleaned up to use stream_copy.
* isis_network.c: (isis_recv_pdu_bcast) replace direct memcpy with
stream_write
(isis_recv_pdu_p2p) replace recvfrom directly into stream with
stream_recvfrom. Remove dangerous and now unneeded manual update
of endp.
(isis_recv_pdu_bcast / non-GNU_LINUX) Replace direct memcpy with
stream_write.
(isis_recv_pdu_p2p) replace read direct into stream with
stream_read_try, and hence remove the manual update of endp.
* isis_lsp.c: (lsp_update_data) manual stream dup replaced with
stream_dup.
(lsppdu_realloc) mempcy into stream data replaced with stream_put.
(lsp_build_nonpseudo) remove mysterious stream_forward_endp's -
which were originally stream_set_putp - shouldn't be needed
now that all the manual fiddling of private stream data has been
corrected.
(build_topology_lsp_data) remove unneeded twiddling of endp,
appears to be due to lsppdu_realloc(), but it appears to sort of
do the right thing wrt streams.
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* stream.h: Add comment about the special zero-ing ability of
stream_put.
(stream_recvmsg, stream_write) should return ssize_t and size_t
respectively. Should both be extern linkage.
(stream_recvfrom) Stream aware wrapper around recvfrom, in style
of stream_read_try.
* stream.c: (stream_recvfrom) new function, wrapper around recvfrom.
(stream_recvmsg, stream_write) ssize_t and size_t return values
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* NEWS: Added some more 0.99 news.
* configure.ac: bump to 0.99.1 (0.99.0 was never released except
via CVS snapshots)
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* defines.texi.in: Add PACKAGE_NAME, PACKAGE_STRING.
* quagga.texi: Use PACKAGE_NAME, this is more to give me an excuse
to update quagga.texi so that the 'UPDATED' in version.texi will
be more recent, the Makefile seems to be dumb and not examine
the texi files from which quagga.texi is generated.
* quagga.info: Fresh copy to match updates.
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* quagga.info: updated
* Makefile.am: automake seems to depend doc built stuff on srcdir
for some reason, or maybe its cause we have quagga.info,
quagga.texi in CVS - not sure. Anyway, the static rule for
quagga.pdf should depend on the srcdir quagga.texi in that case.
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* NEWS: Added some 0.99 news
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* quagga.info: updated
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* rib.h: (struct rib) Add lock field for refcounting.
* zserv.h: (struct zebra_t) Add a ribq workqueue to the zebra
'master' struct.
* zserv.c: (zread_ipv4_add) XMALLOC then memset should be XCALLOC.
* zebra_rib.c: Clean up refcounting of route_node, make struct rib
refcounted and convert rib_process to work-queue. In general,
rib's should be rib_addnode'd and delnode'd to route_nodes, and
these symmetrical functions will manage the locking of referenced
route_node and freeing of struct rib - rather than having users
manage each seperately - with much scope for bugs..
(newrib_free) removed and replaced with rib_lock
(rib_lock) new function, check state of lock and increment.
(rib_unlock) new function, check lock state and decrement. Free
struct rib if refcount hits 0, freeing struct nexthop's, as
newrib_free did.
(rib_addnode) Add RIB to route_node, locking both.
(rib_delnode) Delete RIB from route_node, unlocking each.
(rib_process) Converted to a work-queue work function.
Functional changes are minimal, just arguments, comments and
whitespace.
(rib_queue_add_qnode) Helper function to setup a ribq item.
(rib_queue_add) Helper function, same arguments as old
rib_process, to replace in callers of rib_process.
(rib_queue_qnode_del) ribq deconstructor.
(rib_queue_init) Create the ribq.
(rib_init) call rib_queue_init.
(remainder) Sanitise refcounting of route_node's. Convert to
rib_queue_add, rib_addnode and rib_delnode. Change XMALLOC/memset
to XCALLOC. Remove calls to nexthop_delete and nexthop_free.
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Add wall-clock timing statistics to 'show thread cpu' output.
* thread.h: Define struct rusage_t to contain wall-clock time
and cpu time. Change GETRUSAGE macro to collect both pieces
of data. Make appropriate changes to struct cpu_thread_history
to track CPU time and real time. Change proto for
thread_consumed_time to return real and cpu time elapsed.
And declare a new global variable 'struct timeval recent_time'.
* thread.c (struct timeval recent_time): New global timestamp variable.
(timeval_adjust): If timeout is negative, set to 0 (not 10
microseconds). And remove upper bound of 1,000,000 seconds, since
this does not seem to make any sense (and it breaks
funcname_thread_add_timer_timeval).
(timeval_cmp): Should return long, not int.
(vty_out_cpu_thread_history): Show CPU time and real time.
(cpu_record_hash_print): Calculate totals for CPU and real time.
(cpu_record_print): Change 'show thread cpu' title to show CPU and
real time.
(thread_timer_remain_second): Put current time in global recent_time.
(funcname_thread_add_timer_timeval): Fix assert. Replace 2-case
switch assignment with a ternary expression. Use global recent_time
variable. Fix use of timeval_adjust (previously, the value was not
actually being adjusted).
(thread_cancel): Add missing "break" statement in case
THREAD_BACKGROUND.
(thread_timer_wait): Use global recent_time value instead of calling
gettimeofday. And there's no need to check for negative timeouts,
since timeval_subtract already sets these to zero.
(thread_timer_process): Timers are sorted, so bail out once we
encounter a timer that has not yet popped. And remove some
extraneous asserts.
(thread_fetch): Do not process foreground timers before calling
select. Instead, add them to the ready list just after the select.
Also, no need to maintain a count of the number of ready threads,
since we don't care how many there are, just whether there's
one at the head of the ready list (which is easily checked).
Stick current time in global variable recent_time to reduce
the number of calls to gettimeofday. Tighten logic for
calculating the select timeout.
(thread_consumed_time): Now returns real time and puts the elapsed
cpu time in an additional argument.
(thread_should_yield): Use real (wall-clock) time to decide whether
to yield.
(thread_call): Maintain CPU and real time statistics.
* vty.c (vty_command): For slow commands, show real and cpu time.
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* workqueue.c (show_work_queues): Remove unused gettimeofday call.
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