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Mark Michelson 3ef74244a4 scheduler: Use queue for allocating sched IDs. ... It has been observed that on long-running busy systems, a scheduler context can eventually hit INT_MAX for its assigned IDs and end up overflowing into a very low negative number. When this occurs, this can result in odd behaviors, because a negative return is interpreted by callers as being a failure. However, the item actually was successfully scheduled. The result may be that a freed item remains in the scheduler, resulting in a crash at some point in the future. The scheduler can overflow because every time that an item is added to the scheduler, a counter is bumped and that counter's current value is assigned as the new item's ID. This patch introduces a new method for assigning scheduler IDs. Instead of assigning from a counter, a queue of available IDs is maintained. When assigning a new ID, an ID is pulled from the queue. When a scheduler item is released, its ID is pushed back onto the queue. This way, IDs may be reused when they become available, and the growth of ID numbers is directly related to concurrent activity within a scheduler context rather than the uptime of the system. Change-Id: I532708eef8f669d823457d7fefdad9a6078b99b2		10 years ago
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editline	main/editline: Add .gitignore.	11 years ago
stdtime	Allow Asterisk to compile under GCC 4.10	12 years ago
.gitignore	Add .gitignore and .gitreview files	11 years ago
Makefile	main/Makefile: fix compilation error of buildinfo occurring on 'make install'	12 years ago
abstract_jb.c	func_jitterbuffer: fix frame leaks.	11 years ago
acl.c	Fix error with mixed address family ACLs.	11 years ago
adsi.c	Allow Asterisk to compile under GCC 4.10	12 years ago
alaw.c	…
aoc.c	stasis: Reduce creation of channel snapshots to improve performance	12 years ago
app.c	app: Add functions to swap vm function table	11 years ago
ast_expr2.c	…
ast_expr2.fl	…
ast_expr2.h	…
ast_expr2.y	…
ast_expr2f.c	…
asterisk.c	git migration: Remove support for file versions	11 years ago
asterisk.dynamics	Fix error loading res_monitor.	12 years ago
asterisk.exports.in	Add _IO_stdin_used in version-script to fix SIGBUSes on Sparc.	13 years ago
astfd.c	Unregister CLI commands on exit	13 years ago
astmm.c	MALLOC_DEBUG: Change fence magic number to be completely different from the freed magic number.	12 years ago
astobj2.c	astobj2.c/refcounter.py: Fix to deal with invalid object refs.	11 years ago
astobj2_container.c	ao2_container node object ignores REF_DEBUG in all places except one	12 years ago
astobj2_container_private.h	astobj2: Additional refactoring to push impl specific code down into the impls.	12 years ago
astobj2_hash.c	astobj2: Additional refactoring to push impl specific code down into the impls.	12 years ago
astobj2_private.h	astobj2: Additional refactoring to push impl specific code down into the impls.	12 years ago
astobj2_rbtree.c	astobj2: Additional refactoring to push impl specific code down into the impls.	12 years ago
audiohook.c	audiohook.c: Fix MixMonitor crash when using the r() or t() options.	11 years ago
autochan.c	…
autoservice.c	autoservice: stop thread on graceful shutdown	12 years ago
backtrace.c	Fix memory corruption when trying to get "core show locks".	13 years ago
bridge.c	bridge.c: NULL app causes crash during attended transfer	11 years ago
bridge_after.c	Fix some memory leaks.	11 years ago
bridge_basic.c	bridge: avoid leaking channel during blond transfer pt2	11 years ago
bridge_channel.c	bridge: Kick channel from bridge if hung up during action.	11 years ago
bridge_roles.c	ARI: bridges/{bridgeID}/addChannel: add roles parameter	13 years ago
bucket.c	Allow Asterisk to compile under GCC 4.10	12 years ago
buildinfo.c	…
callerid.c	CallerID: Fix parsing regression	11 years ago
ccss.c	Detect potential forwarding loops based on count.	11 years ago
cdr.c	Documentation: Revise explanation of cdr.conf option 'Unanswered'	11 years ago
cel.c	Fix race condition that could result in ARI transfer messages not being sent.	11 years ago
channel.c	Detect potential forwarding loops based on count.	11 years ago
channel_internal_api.c	Stasis: Fix StasisStart/End order and missing events	11 years ago
chanvars.c	res_phoneprov: Refactor phoneprov to allow pluggable config providers	11 years ago
cli.c	Call IDs: Fix appearance of call ID in core show channels when NULL	11 years ago
codec.c	media: Fix crash when determining sample count of a frame during shutdown.	11 years ago
codec_builtin.c	media formats: re-architect handling of media for performance improvements	12 years ago
config.c	Multiple revisions 431583,433005	11 years ago
config_options.c	AMI: Allow for command response documentation	12 years ago
core_local.c	Stasis: Allow message types to be blocked	12 years ago
core_unreal.c	Local channels: Alternate solution to ringback problem.	10 years ago
crypt.c	Fix utils directory breakage.	13 years ago
cygload.c	…
data.c	data: Properly access formats in capabilities structure when adding codecs.	11 years ago
datastore.c	This is no longer needed.	13 years ago
db.c	core/db: Revert Patch Added In Attempt To Improve I/O Performance	12 years ago
devicestate.c	devicestate.c: Minor tweaks	11 years ago
dial.c	Detect potential forwarding loops based on count.	11 years ago
dns.c	Clean up files that do not end with newlines	12 years ago
dnsmgr.c	…
dsp.c	media formats: re-architect handling of media for performance improvements	12 years ago
ecdisa.h	…
endpoints.c	main/stasis: Allow subscriptions to use a threadpool for message delivery	11 years ago
enum.c	Allow Asterisk to compile under GCC 4.10	12 years ago
event.c	event.c: Fix type mismatch errors in ie_maps[].	12 years ago
features.c	Detect potential forwarding loops based on count.	11 years ago
features_config.c	Allow for transferer to retry when dialing an invalid extension.	11 years ago
file.c	main/file.c: fix possible extra ast_module_unref to format modules.	11 years ago
fixedjitterbuf.c	…
fixedjitterbuf.h	…
format.c	media: Fix crash when determining sample count of a frame during shutdown.	11 years ago
format_cache.c	Clean up files that do not end with newlines	12 years ago
format_cap.c	Add API call to determine if format capability structure is "empty".	11 years ago
format_compatibility.c	chan_iax2: Several media format fixes.	12 years ago
frame.c	media formats: re-architect handling of media for performance improvements	12 years ago
framehook.c	audiohooks: Reevaluate the bridge technology when an audiohook is added or removed.	11 years ago
fskmodem.c	…
fskmodem_float.c	…
fskmodem_int.c	…
global_datastores.c	Detect potential forwarding loops based on count.	11 years ago
hashtab.c	Fix utilities compilation/linking.	13 years ago
heap.c	Fix incorrect usages of ast_realloc().	12 years ago
http.c	HTTP: Stop accepting requests on final system shutdown.	11 years ago
image.c	media formats: re-architect handling of media for performance improvements	12 years ago
indications.c	media formats: re-architect handling of media for performance improvements	12 years ago
io.c	Allow Asterisk to compile under GCC 4.10	12 years ago
jitterbuf.c	jitterbuf: Fix memory leak on jitter buffer reset	12 years ago
json.c	Multiple revisions 420089-420090,420097	12 years ago
libasteriskssl.c	…
libasteriskssl.exports.in	…
loader.c	Stasis: Allow message types to be blocked	12 years ago
lock.c	DEBUG_THREADS: Fix regression and lock tracking initialization problems.	11 years ago
logger.c	queue_log: Post QUEUESTART entry when Asterisk fully boots.	11 years ago
manager.c	git migration: Remove support for file versions	11 years ago
manager_bridges.c	AMI: Allow for command response documentation	12 years ago
manager_channels.c	AMI: Add Linkedid to the standard channel snapshot AMI event headers.	11 years ago
manager_endpoints.c	Multiple revisions 399887,400138,400178,400180-400181	12 years ago
manager_mwi.c	Multiple revisions 399887,400138,400178,400180-400181	12 years ago
manager_system.c	Multiple revisions 399887,400138,400178,400180-400181	12 years ago
max_forwards.c	Detect potential forwarding loops based on count.	11 years ago
md5.c	…
media_index.c	media formats: re-architect handling of media for performance improvements	12 years ago
message.c	Message.c: Clear message channel frames on cleanup	10 years ago
mixmonitor.c	Removed quotes from svn:keywords props on a few files.	13 years ago
named_acl.c	Stasis: Allow message types to be blocked	12 years ago
netsock.c	Move eid functions to utils.c, mark netsock.h deprecated	12 years ago
netsock2.c	Audit ast_sockaddr_resolve() usage for memory leaks.	11 years ago
optional_api.c	Logger/CLI/etc.: Fix some aesthetic issues; reduce chatty verbose messages	12 years ago
parking.c	res_pjsip_refer: Fix bugs involving Parking/PJSIP/transfers	12 years ago
pbx.c	pbx: Fix crash when issuing "core show hints" with long pattern match.	10 years ago
pickup.c	Stasis: Allow message types to be blocked	12 years ago
plc.c	…
poll.c	…
presencestate.c	AMI: Escape string values.	11 years ago
privacy.c	…
rtp_engine.c	pjsip: Add rtp_timeout and rtp_timeout_hold endpoint options.	11 years ago
say.c	app_voicemail, say: Add support for Japanese Language	12 years ago
sched.c	scheduler: Use queue for allocating sched IDs.	10 years ago
sdp_srtp.c	sdp_srtp: Add new lines to some WARNING messages	11 years ago
security_events.c	Stasis: Allow message types to be blocked	12 years ago
sem.c	Multiple revisions 399887,400138,400178,400180-400181	12 years ago
sha1.c	…
sip_api.c	…
slinfactory.c	media formats: re-architect handling of media for performance improvements	12 years ago
smoother.c	media formats: re-architect handling of media for performance improvements	12 years ago
sorcery.c	sorcery: Fix cache creation callback.	11 years ago
sounds_index.c	Indexer: Format message types may not exist	11 years ago
srv.c	…
stasis.c	main/stasis: Allow subscriptions to use a threadpool for message delivery	11 years ago
stasis_bridges.c	Fix race condition that could result in ARI transfer messages not being sent.	11 years ago
stasis_cache.c	main/stasis: Allow subscriptions to use a threadpool for message delivery	11 years ago
stasis_cache_pattern.c	stasis: use ao2_t_alloc for certain object allocators	12 years ago
stasis_channels.c	AMI: Escape string values.	11 years ago
stasis_endpoints.c	Stasis: Allow message types to be blocked	12 years ago
stasis_message.c	Stasis: Allow message types to be blocked	12 years ago
stasis_message_router.c	main/stasis: Allow subscriptions to use a threadpool for message delivery	11 years ago
stasis_system.c	Stasis: Allow message types to be blocked	12 years ago
strcompat.c	…
strings.c	Add support for RFC 4662 resource list subscriptions.	12 years ago
stun.c	stun: correct attribute string padding to match rfc	11 years ago
syslog.c	…
taskprocessor.c	taskprocessor: Fix race condition between unreferencing and finding.	10 years ago
tcptls.c	Security/tcptls: MitM Attack potential from certificate with NULL byte in CN.	11 years ago
tdd.c	…
term.c	…
test.c	main/test: Fix compilation issue on 32-bit systems	11 years ago
threadpool.c	threadpool.c: Minor cleanup fixes.	11 years ago
threadstorage.c	Unregister CLI commands on exit	13 years ago
timing.c	timing: Improve performance for most timing implementations.	12 years ago
translate.c	translate: Prevent invalid memory accesses on fast shutdown	11 years ago
udptl.c	udptl: Correct FEC to not consider negative sequence numbers as missing	12 years ago
ulaw.c	…
uri.c	uri: Quiet warning about type qualifiers ignored on function return type	12 years ago
utils.c	strings.h: Fix issues with escape string functions.	11 years ago
uuid.c	…
xml.c	Detect and use xsltCleanupGlobals when available	12 years ago
xmldoc.c	res_pjsip_sdp_rtp,sorcery: Fix invalid access and memory leak respectively.	11 years ago