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Signed-off-by: Lou Berger <lberger@labn.net>
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Signed-off-by: Lou Berger <lberger@labn.net>
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The following types are nonstandard:
- u_char
- u_short
- u_int
- u_long
- u_int8_t
- u_int16_t
- u_int32_t
Replace them with the C99 standard types:
- uint8_t
- unsigned short
- unsigned int
- unsigned long
- uint8_t
- uint16_t
- uint32_t
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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The work_queue_free function free'd up the wq pointer but
did not set it too NULL. This of course causes situations
where we may use the work_queue after it is freed. Let's
modify the work_queue to set the pointer for you.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: Lou Berger <lberger@labn.net>
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Convert the work queue implementation to not use the generic linked list
to mantain the item list and use instead a simple queue from queue.h that
does not allocate memory for each node.
Signed-off-by: Jorge Boncompte <jbonor@gmail.com>
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indent.py `git ls-files | pcregrep '\.[ch]$' | pcregrep -v '^(ldpd|babeld|nhrpd)/'`
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The FSF's address changed, and we had a mixture of comment styles for
the GPL file header. (The style with * at the beginning won out with
580 to 141 in existing files.)
Note: I've intentionally left intact other "variations" of the copyright
header, e.g. whether it says "Zebra", "Quagga", "FRR", or nothing.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This moves all install_element calls into the file where the DEFUNs are
located. This fixes several small related bugs:
- ospf6d wasn't installing a "no interface FOO" command
- zebra had a useless copy of "interface FOO"
- pimd's copy of "interface FOO" was not setting qobj_index, which means
"description LINE" commands would fail with an error
The next commit will do the actual act of making "foo_cmd" static.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This is a rather large mechanical commit that splits up the memory types
defined in lib/memtypes.c and distributes them into *_memory.[ch] files
in the individual daemons.
The zebra change is slightly annoying because there is no nice place to
put the #include "zebra_memory.h" statement.
bgpd, ospf6d, isisd and some tests were reusing MTYPEs defined in the
library for its own use. This is bad practice and would break when the
memtype are made static.
Acked-by: Vincent JARDIN <vincent.jardin@6wind.com>
Acked-by: Donald Sharp <sharpd@cumulusnetworks.com>
[CF: rebased for cmaster-next]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
Signed-off-by: Christian Franke <chris@opensourcerouting.org>
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(cherry picked from commit 13c2a3db503fde67f647fa58fd4e1077517ebb5c)
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- Allow work queues to specify the yield duration for corresponding background thread
- Support using specified yield duration in thread yielding
- During work queue processing, if using a single list element with a meta-queue
(like done in Zebra), do not exit after each element is processed, instead
update the next-node upon a WQ_REQUEUE so that the WQ processing continues
and is terminated by the yield logic.
- Enhance work queue debug output
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existing static routes to be revalidated)
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2006-03-25 Paul Jakma <paul.jakma@sun.com>
* workqueue.h: (struct work_queue) Remove status field and
state flag, no longer used.
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2006-02-02 Paul Jakma <paul.jakma@sun.com>
* workqueue.h: (struct work_queue) Remove the delay field.
It served no purpose and just introduced bad behaviour.
Should be excised before its allowed to escape into 1.0.
This removes need for the 'flood' and runs_since_clear
fields.
* workqueue.c: (general) excise delay factor between queue
runs, hence the 'flood' crap too.. See above.
* bgp_route.c: (bgp_{clear_node,process}_queue_init) delay
field is removed from workqueue spec.
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2005-11-14 Paul Jakma <paul.jakma@sun.com>
* (general) pass struct work-queue to callback functions.
* workqueue.h: (struct work_queue) move the state flag
variables to end.
Add an opaque pointer to spec, for user-data global to the
queue.
Pass reference to work_queue to all callbacks.
* workqueue.c: (work_queue_item_remove) pass ref to workqueue
to user callbacks.
(work_queue_run) ditto.
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* (general) Add state to detect queue floods. There's no sense
trying to be sparing of CPU resources, if the queue is
flooding and using ever more memory resources. we should just
get on with clearing the queue.
The sense of delay and hold were wrong way around, fix.
* workqueue.h: (struct work_queue) Add status bitfield. Add
'flood' integer to workqueue spec. Add runs_since_clear
counter to workqueue.
* workqueue.c: (work_queue_new) set defaults for delay, hold
and flood.
(work_queue_add) initial schedule should use delay, not hold.
(show_work_queues) Print flood field, conserve whitespace.
(work_queue_unplug) use delay, not hold.
(work_queue_run) consecutive runs should be seperated by hold
time, not delay.
Keep track of number of consecutive runs, go into 'overdrive'
if queue is being flooded, we can't avoid making heavy use of
resources, better to use CPU than ever more RAM.
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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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* (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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* workqueue.h: (struct work_queue_item) change retry_count to ran,
its a count of number item has been run.
* workqueue.c: (show_work_queues) Fix formating of slightly
bugfix: fix SIGFPE if wq->runs is 0.
(work_queue_run) retry logic was slightly wrong.
cycles.best is 0 initialy, granularity is 1, so update best
if cycles >= granularity, not just >.
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* workqueue.{c,h}: Helper API for setting up and running queues via
background threads.
* command.c: install the 'show workqueues' command
* memtypes.c: Add work queue mtypes, and a rib-queue type for
a zebra rib work queue.
* memtypes.h: Updated to match memtypes.c
* Makefile.am: Add new workqueue files to build.
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