Author: kkolinko
Date: Wed Jun 9 13:55:20 2010
New Revision: 953010
URL: http://svn.apache.org/viewvc?rev=953010&view=rev
Log:
Fix handling the add queue in AprEndpoint.Poller and AprEndpoint.Sendfile.
Do not miss Object.notify() wakeup.
Modified:
tomcat/tc6.0.x/trunk/ (props changed)
tomcat/tc6.0.x/trunk/STATUS.txt
tomcat/tc6.0.x/trunk/java/org/apache/tomcat/util/net/AprEndpoint.java
tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml
Propchange: tomcat/tc6.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Wed Jun 9 13:55:20 2010
@@ -1 +1 @@
-/tomcat/trunk:601180,606992,612607,630314,640888,652744,653247,666232,673796,673820,677910,683969,683982,684001,684081,684234,684269-684270,685177,687503,687645,689402,690781,691392,691805,692748,693378,694992,695053,695311,696780,696782,698012,698227,698236,698613,699427,699634,701355,709294,709811,709816,710063,710066,710125,710205,711126,711600,712461,712467,713953,714002,718360,719119,719124,719602,719626,719628,720046,720069,721040,721286,721708,721886,723404,723738,726052,727303,728032,728768,728947,729057,729567,729569,729571,729681,729809,729815,729934,730250,730590,731651,732859,732863,734734,740675,740684,742677,742697,742714,744160,744238,746321,746384,746425,747834,747863,748344,750258,750291,750921,751286-751287,751289,751295,752323,753039,757335,757774,758249,758365,758596,758616,758664,759074,761601,762868,762929,762936-762937,763166,763183,763193,763228,763262,763298,763302,763325,763599,763611,763654,763681,763706,764985,764997,765662,768335,769979,770716,77
0809,770876,772872,776921,776924,776935,776945,777464,777466,777576,777625,778379,778523-778524,781528,781779,782145,782791,783316,783696,783724,783756,783762,783766,783863,783934,784453,784602,784614,785381,785688,785768,785859,786468,786487,786490,786496,786667,787627,787770,787985,789389,790405,791041,791184,791194,791224,791243,791326,791328,791789,792740,793372,793757,793882,793981,794082,794673,794822,795043,795152,795210,795457,795466,797168,797425,797596,797607,802727,802940,804462,804544,804734,805153,809131,809603,810916,810977,812125,812137,812432,813001,813013,813866,814180,814708,814876,815972,816252,817442,817822,819339,819361,820110,820132,820874,820954,821397,828196,828201,828210,828225,828759,830378-830379,830999,831106,831774,831785,831828,831850,831860,832214,832218,833121,833545,834047,835036,835336,836405,881396,881412,883130,883134,883146,883165,883177,883362,883565,884341,885038,885231,885241,885260,885901,885991,886019,888072,889363,889606,889716,8901
39,890265,890349-890350,890417,891185-891187,891583,892198,892341,892415,892464,892555,892812,892814,892817,892843,892887,893321,893493,894580,894586,894805,894831,895013,895045,895057,895191,895392,895703,896370,896384,897380-897381,897776,898126,898256,898468,898527,898555,898558,898718,898836,898906,899284,899348,899420,899653,899769-899770,899783,899788,899792,899916,899918-899919,899935,899949,903916,905020,905151,905722,905728,905735,907311,907513,907538,907652,907819,907825,907864,908002,908721,908754,908759,909097,909206,909212,909525,909636,909869,909875,909887,910266,910370,910442,910471,910485,910974,915226,915737,915861,916097,916141,916157,916170,917598,917633,918093,918489,918594,918684,918787,918792,918799,918803,918885,919851,919914,920025,920055,920298,920449,920596,920824,920840,921444,922010,926716,927062,927621,928482,928695,928732,928798,931709,932357,932967,935105,935983,939491,939551,940064,941356,941463,944409,944416,945231,945808,945835,945841,946686
,948057,950164,950596,950614,950905,951615
+/tomcat/trunk:601180,606992,612607,630314,640888,652744,653247,666232,673796,673820,677910,683969,683982,684001,684081,684234,684269-684270,685177,687503,687645,689402,690781,691392,691805,692748,693378,694992,695053,695311,696780,696782,698012,698227,698236,698613,699427,699634,701355,709294,709811,709816,710063,710066,710125,710205,711126,711600,712461,712467,713953,714002,718360,719119,719124,719602,719626,719628,720046,720069,721040,721286,721708,721886,723404,723738,726052,727303,728032,728768,728947,729057,729567,729569,729571,729681,729809,729815,729934,730250,730590,731651,732859,732863,734734,740675,740684,742677,742697,742714,744160,744238,746321,746384,746425,747834,747863,748344,750258,750291,750921,751286-751287,751289,751295,752323,753039,757335,757774,758249,758365,758596,758616,758664,759074,761601,762868,762929,762936-762937,763166,763183,763193,763228,763262,763298,763302,763325,763599,763611,763654,763681,763706,764985,764997,765662,768335,769979,770716,77
0809,770876,772872,776921,776924,776935,776945,777464,777466,777576,777625,778379,778523-778524,781528,781779,782145,782791,783316,783696,783724,783756,783762,783766,783863,783934,784453,784602,784614,785381,785688,785768,785859,786468,786487,786490,786496,786667,787627,787770,787985,789389,790405,791041,791184,791194,791224,791243,791326,791328,791789,792740,793372,793757,793882,793981,794082,794673,794822,795043,795152,795210,795457,795466,797168,797425,797596,797607,802727,802940,804462,804544,804734,805153,809131,809603,810916,810977,812125,812137,812432,813001,813013,813866,814180,814708,814876,815972,816252,817442,817822,819339,819361,820110,820132,820874,820954,821397,828196,828201,828210,828225,828759,830378-830379,830999,831106,831774,831785,831828,831850,831860,832214,832218,833121,833545,834047,835036,835336,836405,881396,881412,883130,883134,883146,883165,883177,883362,883565,884341,885038,885231,885241,885260,885901,885991,886019,888072,889363,889606,889716,8901
39,890265,890349-890350,890417,891185-891187,891583,892198,892341,892415,892464,892555,892812,892814,892817,892843,892887,893321,893493,894580,894586,894805,894831,895013,895045,895057,895191,895392,895703,896370,896384,897380-897381,897776,898126,898256,898468,898527,898555,898558,898718,898836,898906,899284,899348,899420,899653,899769-899770,899783,899788,899792,899916,899918-899919,899935,899949,903916,905020,905151,905722,905728,905735,907311,907513,907538,907652,907819,907825,907864,908002,908721,908754,908759,909097,909206,909212,909525,909636,909869,909875,909887,910266,910370,910442,910471,910485,910974,915226,915737,915861,916097,916141,916157,916170,917598,917633,918093,918489,918594,918684,918787,918792,918799,918803,918885,919851,919914,920025,920055,920298,920449,920596,920824,920840,921444,922010,926716,927062,927621,928482,928695,928732,928798,931709,932357,932967,935105,935983,939491,939551,940064,941356,941463,944409,944416,945231,945808,945835,945841,946686
,948057,950164,950596,950614,950851,950905,951615
Modified: tomcat/tc6.0.x/trunk/STATUS.txt
URL:
http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/STATUS.txt?rev=953010&r1=953009&r2=953010&view=diff
==============================================================================
--- tomcat/tc6.0.x/trunk/STATUS.txt (original)
+++ tomcat/tc6.0.x/trunk/STATUS.txt Wed Jun 9 13:55:20 2010
@@ -140,14 +140,6 @@ PATCHES PROPOSED TO BACKPORT:
of "long time".
2) I see no way to turn off this feature or filter the output.
-* Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=48843#c8
- Fix handling the add queue in AprEndpoint.Poller and AprEndpoint.Sendfile.
- Do not miss Object.notify() wakeup.
- http://svn.apache.org/viewvc?rev=950851&view=rev
- (Easier to review if you ignore whitespaces during the diff)
- +1: kkolinko, kfujino. jfclere
- -1:
-
* Do not evaluate "execute.installer" in dist.xml, as it is never used:
"skip.installer" is used instead. Backport of r952478.
It is just a cleanup and removal of obsolete comment. Not important.
Modified: tomcat/tc6.0.x/trunk/java/org/apache/tomcat/util/net/AprEndpoint.java
URL:
http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/tomcat/util/net/AprEndpoint.java?rev=953010&r1=953009&r2=953010&view=diff
==============================================================================
--- tomcat/tc6.0.x/trunk/java/org/apache/tomcat/util/net/AprEndpoint.java
(original)
+++ tomcat/tc6.0.x/trunk/java/org/apache/tomcat/util/net/AprEndpoint.java Wed
Jun 9 13:55:20 2010
@@ -1207,11 +1207,11 @@ public class AprEndpoint {
protected long[] desc;
protected long[] addS;
- protected int addCount = 0;
+ protected volatile int addCount = 0;
protected boolean comet = true;
- protected int keepAliveCount = 0;
+ protected volatile int keepAliveCount = 0;
public int getKeepAliveCount() { return keepAliveCount; }
public Poller(boolean comet) {
@@ -1327,15 +1327,17 @@ public class AprEndpoint {
}
}
- while (keepAliveCount < 1 && addCount < 1) {
- // Reset maintain time.
- maintainTime = 0;
- try {
- synchronized (this) {
- this.wait();
+ if (keepAliveCount < 1 && addCount < 1) {
+ synchronized (this) {
+ while (keepAliveCount < 1 && addCount < 1) {
+ // Reset maintain time.
+ maintainTime = 0;
+ try {
+ this.wait();
+ } catch (InterruptedException e) {
+ // Ignore
+ }
}
- } catch (InterruptedException e) {
- // Ignore
}
}
@@ -1343,21 +1345,26 @@ public class AprEndpoint {
// Add sockets which are waiting to the poller
if (addCount > 0) {
synchronized (this) {
- for (int i = (addCount - 1); i >= 0; i--) {
- int rv = Poll.add
- (serverPollset, addS[i], Poll.APR_POLLIN);
- if (rv == Status.APR_SUCCESS) {
- keepAliveCount++;
- } else {
- // Can't do anything: close the socket
right away
- if (comet) {
- processSocket(addS[i],
SocketStatus.ERROR);
+ int successCount = 0;
+ try {
+ for (int i = (addCount - 1); i >= 0; i--) {
+ int rv = Poll.add
+ (serverPollset, addS[i],
Poll.APR_POLLIN);
+ if (rv == Status.APR_SUCCESS) {
+ successCount++;
} else {
- Socket.destroy(addS[i]);
+ // Can't do anything: close the socket
right away
+ if (comet) {
+ processSocket(addS[i],
SocketStatus.ERROR);
+ } else {
+ Socket.destroy(addS[i]);
+ }
}
}
+ } finally {
+ keepAliveCount += successCount;
+ addCount = 0;
}
- addCount = 0;
}
}
@@ -1640,10 +1647,11 @@ public class AprEndpoint {
protected long[] desc;
protected HashMap<Long, SendfileData> sendfileData;
- protected int sendfileCount;
+ protected volatile int sendfileCount;
public int getSendfileCount() { return sendfileCount; }
protected ArrayList<SendfileData> addS;
+ protected volatile int addCount;
/**
* Create the sendfile poller. With some versions of APR, the maximum
poller size will
@@ -1664,6 +1672,7 @@ public class AprEndpoint {
desc = new long[size * 2];
sendfileData = new HashMap<Long, SendfileData>(size);
addS = new ArrayList<SendfileData>();
+ addCount = 0;
}
/**
@@ -1681,6 +1690,7 @@ public class AprEndpoint {
// Ignore
}
// Close any socket remaining in the add queue
+ addCount = 0;
for (int i = (addS.size() - 1); i >= 0; i--) {
SendfileData data = addS.get(i);
Socket.destroy(data.socket);
@@ -1748,6 +1758,7 @@ public class AprEndpoint {
// at most for pollTime before being polled
synchronized (this) {
addS.add(data);
+ addCount++;
this.notify();
}
return false;
@@ -1785,35 +1796,43 @@ public class AprEndpoint {
}
}
- while (sendfileCount < 1 && addS.size() < 1) {
- // Reset maintain time.
- maintainTime = 0;
- try {
- synchronized (this) {
- this.wait();
+ if (sendfileCount < 1 && addCount < 1) {
+ synchronized (this) {
+ while (sendfileCount < 1 && addS.size() < 1) {
+ // Reset maintain time.
+ maintainTime = 0;
+ try {
+ this.wait();
+ } catch (InterruptedException e) {
+ // Ignore
+ }
}
- } catch (InterruptedException e) {
- // Ignore
}
}
try {
// Add socket to the poller
- if (addS.size() > 0) {
+ if (addCount > 0) {
synchronized (this) {
- for (int i = (addS.size() - 1); i >= 0; i--) {
- SendfileData data = addS.get(i);
- int rv = Poll.add(sendfilePollset,
data.socket, Poll.APR_POLLOUT);
- if (rv == Status.APR_SUCCESS) {
- sendfileData.put(new Long(data.socket),
data);
- sendfileCount++;
- } else {
-
log.warn(sm.getString("endpoint.sendfile.addfail", "" + rv,
Error.strerror(rv)));
- // Can't do anything: close the socket
right away
- Socket.destroy(data.socket);
+ int successCount = 0;
+ try {
+ for (int i = (addS.size() - 1); i >= 0; i--) {
+ SendfileData data = addS.get(i);
+ int rv = Poll.add(sendfilePollset,
data.socket, Poll.APR_POLLOUT);
+ if (rv == Status.APR_SUCCESS) {
+ sendfileData.put(new
Long(data.socket), data);
+ successCount++;
+ } else {
+
log.warn(sm.getString("endpoint.sendfile.addfail", "" + rv,
Error.strerror(rv)));
+ // Can't do anything: close the socket
right away
+ Socket.destroy(data.socket);
+ }
}
+ } finally {
+ sendfileCount += successCount;
+ addS.clear();
+ addCount = 0;
}
- addS.clear();
}
}
Modified: tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml
URL:
http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml?rev=953010&r1=953009&r2=953010&view=diff
==============================================================================
--- tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml Wed Jun 9 13:55:20 2010
@@ -166,6 +166,10 @@
<bug>48843</bug>: Prevent possible deadlock for worker allocation in
connectors. (kkolinko)
</fix>
+ <fix>
+ <bug>48843</bug>: Fix handling of add queues in AprEndpoint.Poller and
+ AprEndpoint.Sendfile. Do not miss wakeups. (kkolinko)
+ </fix>
<add>
<bug>48862</bug>: Add support for the backlog parameter to the AJP
connector. (pero/markt)
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