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Posted to cvs@httpd.apache.org by yl...@apache.org on 2018/02/16 00:01:59 UTC

svn commit: r1824384 - in /httpd/httpd/branches/2.4.x-mpm_fdqueue: ./ server/ server/mpm/event/ server/mpm/worker/

Author: ylavic
Date: Fri Feb 16 00:01:59 2018
New Revision: 1824384

URL: http://svn.apache.org/viewvc?rev=1824384&view=rev
Log:
Merge r1821624, r1821625, r1821626, r1821627, r1821629, r1821632, r1821635, r1821639, r1821644, r1821647, r1821648, r1821649, r1821650, r1821651, r1821659, r1821660, r1822366, r1822367, r1824381 from trunk:

Shared fdqueue code between MPMs event and worker into mpm_fdqueue.

This first step moves the files server/mpm/event/fdqueue.[ch] to
server/mpm_fdqueue.[ch] (untouched for now, simple svn move).

Will follow up with the necessary changes to mpm_unix.* for common code.


mpm_fdqueue: follow up to r1821624.

And now it's mpm_fdqueue, with minimal #includes.


mpm_fdqueue: follow up to r1821624.

Opacify fdqueue types.


mpm_fdqueue: follow up to r1821624.

Style, no functional change.


mpm_fdqueue: follow up to r1821624.

Rename ap_queue_info_get_idlers() to ap_queue_info_num_idlers().


mpm_fdqueue: follow up to r1821624.

Clear recycled_pools_count in ap_free_idle_pools().


mpm_fdqueue: follow up to r1821624.

Prepare mpm_worker to use common fdqueue.


mpm_worker: follow up to r1821624.

Use common [mpm_]fdqueue.


mpm_fdqueue: follow up to r1821624.

The implemention wants APR_HAS_THREADS too.


mpm_fdqueue: follow up to r1821624.

The code is not part of the API.


mpm_fdqueue: follow up to r1821624.

Fix typo in comment.


mpm_fdqueue: follow up to r1821624.

Cosmetics, 80 cols, no functional change.


mpm_worker: follow up to r1821624.

Free idle pools while stopping.


mpm_fdqueue: follow up to r1821624.

Be explicit in the naming about what's push/pop-ed.


mpm_fdqueue: follow up to r1821624.

Either error matters, simplify code.


mpm_fdqueue: follow up to r1821624.

Make the allocation and zero-ing in ap_queue_init() => ap_queue_create().


mpm_fdqueue: follow up to r1821624.

Export ap_queue_*() fonctions, so that they are accessible from MPMs, but
don't provide "mpm_fdqueue.h" in the API (include/).


mpm_fdqueue: follow up to r1821624.

80 colums.


Follow up to r1821624: CHANGES entry.


Submitted by: ylavic

Added:
    httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm_fdqueue.c
      - copied, changed from r1821624, httpd/httpd/trunk/server/mpm_fdqueue.c
    httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm_fdqueue.h
      - copied, changed from r1821624, httpd/httpd/trunk/server/mpm_fdqueue.h
Removed:
    httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/event/fdqueue.c
    httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/event/fdqueue.h
    httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/worker/fdqueue.c
    httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/worker/fdqueue.h
Modified:
    httpd/httpd/branches/2.4.x-mpm_fdqueue/   (props changed)
    httpd/httpd/branches/2.4.x-mpm_fdqueue/CHANGES
    httpd/httpd/branches/2.4.x-mpm_fdqueue/server/Makefile.in
    httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/event/config3.m4
    httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/event/event.c
    httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/worker/config3.m4
    httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/worker/worker.c

Propchange: httpd/httpd/branches/2.4.x-mpm_fdqueue/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Fri Feb 16 00:01:59 2018
@@ -6,4 +6,4 @@
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 68,1583005,1583007-1583008,1583027,1583175,1583191,1584098,1584417,1584430,1584434,1584572,1584653,1584658,1584665,1584703,1584878,1584884,1584896,1585054,1585072,1585090,1585157,1585435,1585609,1585824,1585918-1585919,1586745,1586827,1587036,1587040,1587053,1587255,1587594,1587607,1587639,1587654,1588054,1588065,1588213,1588330,1588427,1588519,1588527,1588704,1588851,1588853,1588868,1589413,1590437,1590509,1591143,1591320,1591322,1591328,1591390,1591394,1591401,1591472,1591508,1592032,1592037,1592500,1592511,1592514,1592529,1592615,1592632,1593745,1594625,1594643,1594648,1595305,1595321,1595426,1597182,1597349,1597352,1597533,1597639,1597642,1598107,1598946,1599012,1599535,1601076,1601184-1601185,1601274,1601291,1601559,1601624,1601630,1601919,1601995,1602338,1602978,1602989,1603027,1603029,1603122,1603156,1603915,1604382,1604461,1604631,1605207,1605328,1605827,1605829,1607960,1608284,1608785,1608999,1609914,1609936,1609938,1610207,1610311,1610353,1610366,1610491,1610652,1610674,16
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 123,1683881,1683884,1684057,1684171,1684636,1684900,1685069,1685339,1685345,1685347,1685349-1685350,1685650,1685659,1685779,1686085,1686853,1686856,1687539,1687680,1687980,1688274,1688331,1688339-1688341,1688343,1688399,1688474-1688475,1688536,1688538,1688660,1689325,1689605,1689694,1689698,1690120,1690137,1690248,1691374,1691582,1691592,1691819,1691908,1692285,1692432,1692486,1692516,1693792,1693918-1693919,1693963,1694903,1694936,1694950-1694951,1695170,1695727,1695874,1695885,1695920,1696105,1696264,1696266,1696279,1696428,1696442,1696565,1696592,1696607,1696755,1696881,1697013,1697015,1697051,1697323,1697339,1697370,1697389,1697446,1697543,1697634,1697855,1698023,1698103,1698107,1698116,1698133,1698330,1698334,1700271,1700275,1700317-1700322,1700326,1700328,1700330-1700332,1700334,1700336,1700338,1700418,1700514,1700777,1700851,1700917,1700925,1700968,1701005,1701145,1701178,1701204,1701347,1701436,1701545,1701717,1702643,1702919,1702948,1703152,1703241,1703417,1703642,1703807,1
 703813,1703822,1703871,1703902,1703952,1704099,1704241,1704262,1704797,1704799,1704826,1705099,1705134,1705194,1705217,1705257,1705749,1705776,1705823,1705826,1705828,1705833,1705922,1705983,1706275,1706523,1706595,1706627,1706635,1706637,1706640,1706918,1706942,1706989,1707002,1707230-1707231,1707497,1707512,1707519,1707591,1707626-1707627,1707640,1707831,1707883,1707889,1708107,1709008,1709587,1709596,1709602,1709995,1710095,1710105,1710231,1710380,1710391,1710419,1710572,1710583,1710723,1711479,1711553,1711648,1711728,1711902,1712382,1713040,1713043,1713209,1713937,1715023,1715255,1715273,1715567-1715568,1715570-1715572,1715576,1715581-1715585,1715886,1716211,1716388,1716460,1716487,1716660,1716940,1717063,1717086,1717639,1717816,1717934,1717958,1717975,1717985,1718314,1718338,1718400,1718476,1718496,1718514,1718556,1718569,1718598,1719016,1719018,1719189-1719190,1719252,1719254-1719255,1719257,1719967,1720129,1720996,1721313,1721685,1721899,1722137,1722154,1722177,1722195,172222
 9,1722320,1722328,1722334,1722350-1722351,1722358,1722377,1722572,1722701,1723122,1723143,1723284,1723295,1723522,1723567,1723953,1724847,1724857,1724879,1724992-1724993,1724995,1725018,1725031,1725090,1725120,1725149,1725325,1725328,1725387,1725392,1725394-1725395,1725445,1725468,1725485,1725489,1725498-1725499,1725516,1725523,1725545,1725567,1725581,1725602,1725822,1725940,1725967,1726009,1726026,1726038,1726049,1726051-1726052,1726055,1726086,1726167,1726233,1726675,1726705,1726798,1726881,1726888,1727071,1727111,1727317,1727544,1727573,1727603,1727842,1728326,1728804,1729208,1729235,1729374,1729376,1729826,1729847,1729929-1729931,1729960,1730079,1730297,1730640,1730723,1730865,1731929,1732228,1732252,1732353,1732369,1732716,1732954,1732986,1733056,1733064,1733068,1733088-1733089,1733275,1733523,1733537-1733538,1733691,1734006,1734125,1734239,1734294,1734412,1734561,1734807,1734817,1734947,1734955,1734989,1735088,1735159,1735337,1735608-1735609,1735611,1735668,1735786,1735906,173
 5931,1735935,1735942,1735952,1736156,1736186,1736243,1736250,1736463,1736681,1736686,1737006,1737014,1737020-1737021,1737102,1737114,1737125,1737254,1737256,1737265,1737447,1737449,1737451,1737476,1738217,1738331,1738333,1738464,1738466,1738486,1738563,1738628,1738631,1738633,1738635,1739008,1739146,1739151,1739193,1739201,1739303,1739312,1739738,1739932,1740075,1740084,1740108,1740110,1740155,1740735,1740910,1740928,1740960,1740967,1740987,1740998,1741045,1741065,1741112,1741115,1741268,1741277,1741310,1741392,1741414,1741446,1741461,1741557,1741564,1741570,1741596,1741621,1741648,1741934,1742005,1742135,1742260,1742359,1742444-1742447,1742460,1742697,1742791-1742792,1743335,1743517,1743699,1743788,1743816,1744203-1744204,1744206,1744283,1744415,1744421,1744458-1744459,1744712,1744751,1744767,1744778,1744980,1745034,1745039,1745175,1745767,1745835,1745863-1745864,1746207,1746647,1746988,1747170,1747469,1747531,1747550,1747735,1747808,1747810,1747946,1748047,1748155,1748368,1748448,
 1748531,1748653,1748888,1749151,1749401,1749404,1749505,1749658-1749659,1749676,1749678,1749695,1749924-1749925,1750043,1750218,1750335,1750392,1750407,1750412,1750416,1750420,1750474,1750494,1750507-1750508,1750553,1750567,1750750,1750779,1750854-1750855,1750947,1750955,1750960,1751970,1752087,1752096,1752145,1752331-1752333,1752347,1752415,1753167,1753224,1753228-1753229,1753257,1753315-1753316,1753498,1753541,1753592,1753594,1753777,1754129,1754164,1754391,1754399,1754414,1754534,1755323,1756038,1756542,1756553,1756611,1756631,1756844,1756846,1756848,1756852-1756853,1756976,1757009-1757011,1757029-1757031,1757061,1757524,1757534,1757540,1757662-1757663,1757985,1758003,1758083,1758307-1758311,1758446,1758558,1759415,1759984,1760018,1761434,1761477,1761479,1761548,1761714,1761824,1762512,1762515,1762517,1762580,1762701-1762703,1762718,1762723,1762742-1762743,1763158,1763246,1763613,1764005,1764040,1764046,1764236,1764243,1764255,1765318,1765328,1765357,1765420,1766097,1766129,17661
 60,1766308,1766424,1766691,1766851,1766857,1766998,1767128,1767180-1767181,1767553,1767564,1767803,1767936,1768160,1768245,1769192,1769332,1769550,1769593,1769596,1769600,1770395,1770750,1770752,1770768,1770771,1770828,1770951,1770998,1771001,1771015,1771789,1771791,1771827,1772339,1772489,1772504,1772576,1772812-1772813,1772919,1773159,1773162,1773293,1773346,1773397,1773761,1773779,1773812,1773861-1773862,1773865,1774008,1774018,1774023,1774068-1774069,1774286,1774288,1774538,1774541,1774602,1774609,1775173,1775195,1775199,1775487,1775664,1775770,1775775,1775813,1775833,1775858,1775944,1775946,1776459,1776463,1776575,1776578,1776624,1776627,1776674,1776734-1776735,1776738,1776740,1776956,1777160,1777324,1777354,1777460,1777556-1777557,1777593-1777594,1777672,1777923,1778268,1778319,1778331,1778350,1778630,1779077,1779091,1779111,1779354,1779459,1779525,1779528,1779573-1779574,1779623,1779699,1779738,1779743,1779896,1779972,1779979,1780095,1780159,1780328-1780329,1780576,1780596,17
 80598,1780725,1780971,1781030-1781031,1781187,1781190,1781304,1781312-1781313,1781324,1781328-1781329,1781575,1781577,1781580,1781687,1781701,1782164,1782166,1782193-1782194,1782323,1782418-1782419,1782482,1782532,1782875,1782944,1782958,1782975,1783056,1783305,1783722-1783723,1783764-1783765,1783770,1783842,1783849,1784002,1784203,1784205,1784227-1784228,1784275,1784318,1784366,1784372,1784571,1785115,1785672,1785683,1785752-1785753,1785871,1785907,1786009,1786512,1786575-1786576,1786715,1787051,1787053,1787141,1787525,1787553,1787604,1788032-1788033,1788040,1788430,1788451,1788508,1788672,1788674,1788981,1788996,1788998,1789000,1789220-1789221,1789224,1789276,1789279,1789387,1789395,1789520,1789535,1789692,1789740,1789800,1790102,1790113,1790169,1790284,1790457,1790691,1790754,1790826-1790827,1790842,1790850,1790852-1790853,1790855,1790860,1790973,1790978,1791377,1791388,1791400,1791669,1791773,1791790,1791975,1792092,1792195,1792212,1792589,1792675,1793525,1793533,1793932,1794049
 ,1795635,1795651,1795830,1795931,1796343,1796348,1796350,1796446,1796493,1796864,1797550,1797745,1798785,1799341,1799435,1799437,1799784,1799786,1800173,1800306,1800393,1800594,1800689,1800788,1800809,1800815,1800817,1800819,1800830,1800833,1800917,1800919,1800978,1801594,1801665,1801994-1801995,1802305,1802309,1802336,1802535,1802618,1802845,1802875,1803392,1803396,1803398,1803420,1803454,1804090,1804096,1804530-1804531,1804542,1804545,1804671,1804759,1804787,1804975,1805099,1805180,1805188,1805190,1805192,1805194-1805195,1805206,1805256,1805294,1805322,1805373,1806939,1806985,1807228,1807238,1807347,1807577,1807593,1807655,1807774,1807777,1808005,1808008,1808085,1808092,1808100,1808230,1808241-1808243,1808249,1808444,1808671,1808723,1808746,1808780,1809028,1809209,1809273,1809302-1809303,1809305,1809311,1809314,1809713,1809719,1809881,1809888,1809973,1809976,1809981,1810088-1810089,1810358,1810362-1810363,1810365,1810447,1810723,1811082,1811192,1811285,1811540-1811541,1811569-1811
 570,1811649,1811664,1811744,1811812,1812004,1812075,1812193,1812263,1812301,1812307,1812332,1812517-1812518,1812999,1813642-1813643,1813991,1814118,1814719-1814720,1814939,1814968,1815005,1815078,1815264,1815370,1815483,1816055,1816154,1816156,1816534,1816552,1816558,1816619,1816919,1816922,1816970,1817023,1817777,1817785,1818013,1818040,1818120,1818122,1818278-1818280,1818308,1818624,1818725,1818792,1818804,1818849,1818951,1818958,1818960,1819027,1819214,1819847-1819848,1819852-1819853,1819855,1819969-1819970,1820035,1820101,1820808-1820809,1821095,1821371,1821374,1821504-1821505,1821558,1821561-1821562,1821595,1821624-1821627,1821629,1821632,1821635,1821639,1821644,1821647-1821651,1821659-1821660,1822305,1822366-1822367,1822502-1822503,1822509,1822511,1822624,1823179,1823412,1823415-1823416,1823564,1823572,1823575,1824332,1824381

Modified: httpd/httpd/branches/2.4.x-mpm_fdqueue/CHANGES
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x-mpm_fdqueue/CHANGES?rev=1824384&r1=1824383&r2=1824384&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x-mpm_fdqueue/CHANGES [utf-8] (original)
+++ httpd/httpd/branches/2.4.x-mpm_fdqueue/CHANGES [utf-8] Fri Feb 16 00:01:59 2018
@@ -1,6 +1,9 @@
                                                          -*- coding: utf-8 -*-
 Changes with Apache 2.4.30
 
+  *) mpm_queue: Put fdqueue code in common for MPMs event and worker.
+     [Yann Ylavic]
+
   *) mod_proxy: Allow setting options to globally defined balancer from
      ProxyPass used in VirtualHost. Balancers are now merged using the new
      merge_balancers method which merges the balancers options.  [Jan Kaluza]

Modified: httpd/httpd/branches/2.4.x-mpm_fdqueue/server/Makefile.in
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x-mpm_fdqueue/server/Makefile.in?rev=1824384&r1=1824383&r2=1824384&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x-mpm_fdqueue/server/Makefile.in (original)
+++ httpd/httpd/branches/2.4.x-mpm_fdqueue/server/Makefile.in Fri Feb 16 00:01:59 2018
@@ -9,7 +9,8 @@ LTLIBRARY_NAME    = libmain.la
 LTLIBRARY_SOURCES = \
 	config.c log.c main.c vhost.c util.c util_fcgi.c \
 	util_script.c util_md5.c util_cfgtree.c util_ebcdic.c util_time.c \
-	connection.c listen.c util_mutex.c mpm_common.c mpm_unix.c \
+	connection.c listen.c util_mutex.c \
+	mpm_common.c mpm_unix.c mpm_fdqueue.c \
 	util_charset.c util_cookies.c util_debug.c util_xml.c \
 	util_filter.c util_pcre.c util_regex.c exports.c \
 	scoreboard.c error_bucket.c protocol.c core.c request.c provider.c \
@@ -58,6 +59,7 @@ export_files:
 	( for dir in $(EXPORT_DIRS); do \
 	      ls $$dir/*.h ; \
 	  done; \
+	  echo "$(top_srcdir)/server/mpm_fdqueue.h"; \
 	  for dir in $(EXPORT_DIRS_APR); do \
 	      ls $$dir/ap[ru].h $$dir/ap[ru]_*.h 2>/dev/null; \
 	  done; \

Modified: httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/event/config3.m4
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/event/config3.m4?rev=1824384&r1=1824383&r2=1824384&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/event/config3.m4 (original)
+++ httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/event/config3.m4 Fri Feb 16 00:01:59 2018
@@ -2,6 +2,6 @@ dnl ## XXX - Need a more thorough check
 
 APACHE_SUBST(MOD_MPM_EVENT_LDADD)
 
-APACHE_MPM_MODULE(event, $enable_mpm_event, event.lo fdqueue.lo,[
+APACHE_MPM_MODULE(event, $enable_mpm_event, event.lo,[
     AC_CHECK_FUNCS(pthread_kill)
 ], , [\$(MOD_MPM_EVENT_LDADD)])

Modified: httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/event/event.c
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/event/event.c?rev=1824384&r1=1824383&r2=1824384&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/event/event.c (original)
+++ httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/event/event.c Fri Feb 16 00:01:59 2018
@@ -90,7 +90,7 @@
 #include "mpm_common.h"
 #include "ap_listen.h"
 #include "scoreboard.h"
-#include "fdqueue.h"
+#include "mpm_fdqueue.h"
 #include "mpm_default.h"
 #include "http_vhost.h"
 #include "unixd.h"
@@ -212,6 +212,8 @@ static apr_pollfd_t *listener_pollfd;
  */
 static apr_pollset_t *event_pollset;
 
+typedef struct event_conn_state_t event_conn_state_t;
+
 /*
  * The chain of connections to be shutdown by a worker thread (deferred),
  * linked list updated atomically.
@@ -486,7 +488,7 @@ static void enable_listensocks(void)
                  apr_atomic_read32(&lingering_count),
                  apr_atomic_read32(&clogged_count),
                  apr_atomic_read32(&suspended_count),
-                 ap_queue_info_get_idlers(worker_queue_info));
+                 ap_queue_info_num_idlers(worker_queue_info));
     for (i = 0; i < num_listensocks; i++)
         apr_pollset_add(event_pollset, &listener_pollfd[i]);
     /*
@@ -503,7 +505,7 @@ static APR_INLINE apr_uint32_t listeners
 
 static APR_INLINE int connections_above_limit(void)
 {
-    apr_uint32_t i_count = ap_queue_info_get_idlers(worker_queue_info);
+    apr_uint32_t i_count = ap_queue_info_num_idlers(worker_queue_info);
     if (i_count > 0) {
         apr_uint32_t c_count = apr_atomic_read32(&connection_count);
         apr_uint32_t l_count = apr_atomic_read32(&lingering_count);
@@ -804,7 +806,7 @@ static int start_lingering_close_blockin
     if (ap_start_lingering_close(cs->c)) {
         notify_suspend(cs);
         apr_socket_close(csd);
-        ap_push_pool(worker_queue_info, cs->p);
+        ap_queue_info_push_pool(worker_queue_info, cs->p);
         return 0;
     }
 
@@ -847,7 +849,7 @@ static int start_lingering_close_blockin
         ap_log_error(APLOG_MARK, APLOG_ERR, rv, ap_server_conf, APLOGNO(03092)
                      "start_lingering_close: apr_pollset_add failure");
         apr_socket_close(cs->pfd.desc.s);
-        ap_push_pool(worker_queue_info, cs->p);
+        ap_queue_info_push_pool(worker_queue_info, cs->p);
         return 0;
     }
     apr_thread_mutex_unlock(timeout_mutex);
@@ -888,7 +890,7 @@ static int stop_lingering_close(event_co
     ap_log_error(APLOG_MARK, APLOG_TRACE4, 0, ap_server_conf,
                  "socket reached timeout in lingering-close state");
     abort_socket_nonblocking(csd);
-    ap_push_pool(worker_queue_info, cs->p);
+    ap_queue_info_push_pool(worker_queue_info, cs->p);
     if (dying)
         ap_queue_interrupt_one(worker_queue);
     return 0;
@@ -979,7 +981,7 @@ static void process_socket(apr_thread_t
         c = ap_run_create_connection(p, ap_server_conf, sock,
                                      conn_id, cs->sbh, cs->bucket_alloc);
         if (!c) {
-            ap_push_pool(worker_queue_info, p);
+            ap_queue_info_push_pool(worker_queue_info, p);
             return;
         }
         apr_atomic_inc32(&connection_count);
@@ -1143,7 +1145,7 @@ read_request:
                              "process_socket: apr_pollset_add failure for "
                              "write completion");
                 apr_socket_close(cs->pfd.desc.s);
-                ap_push_pool(worker_queue_info, cs->p);
+                ap_queue_info_push_pool(worker_queue_info, cs->p);
             }
             else {
                 apr_thread_mutex_unlock(timeout_mutex);
@@ -1192,7 +1194,7 @@ read_request:
                          "process_socket: apr_pollset_add failure for "
                          "keep alive");
             apr_socket_close(cs->pfd.desc.s);
-            ap_push_pool(worker_queue_info, cs->p);
+            ap_queue_info_push_pool(worker_queue_info, cs->p);
             return;
         }
         apr_thread_mutex_unlock(timeout_mutex);
@@ -1234,7 +1236,7 @@ static void close_listeners(int *closed)
         /* wake up the main thread */
         kill(ap_my_pid, SIGTERM);
 
-        ap_free_idle_pools(worker_queue_info);
+        ap_queue_info_free_idle_pools(worker_queue_info);
         ap_queue_interrupt_all(worker_queue);
     }
 }
@@ -1308,10 +1310,10 @@ static apr_status_t push2worker(event_co
         csd = cs->pfd.desc.s;
         ptrans = cs->p;
     }
-    rc = ap_queue_push(worker_queue, csd, cs, ptrans);
+    rc = ap_queue_push_socket(worker_queue, csd, cs, ptrans);
     if (rc != APR_SUCCESS) {
         ap_log_error(APLOG_MARK, APLOG_CRIT, rc, ap_server_conf, APLOGNO(00471)
-                     "push2worker: ap_queue_push failed");
+                     "push2worker: ap_queue_push_socket failed");
         /* trash the connection; we couldn't queue the connected
          * socket to a worker
          */
@@ -1319,7 +1321,7 @@ static apr_status_t push2worker(event_co
             abort_socket_nonblocking(csd);
         }
         if (ptrans) {
-            ap_push_pool(worker_queue_info, ptrans);
+            ap_queue_info_push_pool(worker_queue_info, ptrans);
         }
         signal_threads(ST_GRACEFUL);
     }
@@ -1482,7 +1484,7 @@ static void process_lingering_close(even
     rv = apr_socket_close(csd);
     AP_DEBUG_ASSERT(rv == APR_SUCCESS);
 
-    ap_push_pool(worker_queue_info, cs->p);
+    ap_queue_info_push_pool(worker_queue_info, cs->p);
     if (dying)
         ap_queue_interrupt_one(worker_queue);
 }
@@ -1810,14 +1812,14 @@ static void * APR_THREAD_FUNC listener_t
                                  apr_atomic_read32(&connection_count));
                     ap_log_error(APLOG_MARK, APLOG_TRACE1, 0, ap_server_conf,
                                  "Idle workers: %u",
-                                 ap_queue_info_get_idlers(worker_queue_info));
+                                 ap_queue_info_num_idlers(worker_queue_info));
                     workers_were_busy = 1;
                 }
                 else if (!listener_may_exit) {
                     void *csd = NULL;
                     ap_listen_rec *lr = (ap_listen_rec *) pt->baton;
                     apr_pool_t *ptrans;         /* Pool for per-transaction stuff */
-                    ap_pop_pool(&ptrans, worker_queue_info);
+                    ap_queue_info_pop_pool(worker_queue_info, &ptrans);
 
                     if (ptrans == NULL) {
                         /* create a new transaction pool for each accepted socket */
@@ -1868,7 +1870,7 @@ static void * APR_THREAD_FUNC listener_t
                         }
                     }
                     else {
-                        ap_push_pool(worker_queue_info, ptrans);
+                        ap_queue_info_push_pool(worker_queue_info, ptrans);
                     }
                 }
             }               /* if:else on pt->type */
@@ -2038,7 +2040,8 @@ static void *APR_THREAD_FUNC worker_thre
             break;
         }
 
-        rv = ap_queue_pop_something(worker_queue, &csd, &cs, &ptrans, &te);
+        rv = ap_queue_pop_something(worker_queue, &csd, (void **)&cs,
+                                    &ptrans, &te);
 
         if (rv != APR_SUCCESS) {
             /* We get APR_EOF during a graceful shutdown once all the
@@ -2047,9 +2050,9 @@ static void *APR_THREAD_FUNC worker_thre
             if (APR_STATUS_IS_EOF(rv)) {
                 break;
             }
-            /* We get APR_EINTR whenever ap_queue_pop() has been interrupted
+            /* We get APR_EINTR whenever ap_queue_pop_*() has been interrupted
              * from an explicit call to ap_queue_interrupt_all(). This allows
-             * us to unblock threads stuck in ap_queue_pop() when a shutdown
+             * us to unblock threads stuck in ap_queue_pop_*() when a shutdown
              * is pending.
              *
              * If workers_may_exit is set and this is ungraceful termination/
@@ -2064,7 +2067,7 @@ static void *APR_THREAD_FUNC worker_thre
             /* We got some other error. */
             else if (!workers_may_exit) {
                 ap_log_error(APLOG_MARK, APLOG_CRIT, rv, ap_server_conf,
-                             APLOGNO(03099) "ap_queue_pop failed");
+                             APLOGNO(03099) "ap_queue_pop_socket failed");
             }
             continue;
         }
@@ -2183,11 +2186,10 @@ static void *APR_THREAD_FUNC start_threa
 
     /* We must create the fd queues before we start up the listener
      * and worker threads. */
-    worker_queue = apr_pcalloc(pchild, sizeof(*worker_queue));
-    rv = ap_queue_init(worker_queue, threads_per_child, pchild);
+    rv = ap_queue_create(&worker_queue, threads_per_child, pchild);
     if (rv != APR_SUCCESS) {
         ap_log_error(APLOG_MARK, APLOG_ALERT, rv, ap_server_conf, APLOGNO(03100)
-                     "ap_queue_init() failed");
+                     "ap_queue_create() failed");
         clean_child_exit(APEXIT_CHILDFATAL);
     }
 

Modified: httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/worker/config3.m4
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/worker/config3.m4?rev=1824384&r1=1824383&r2=1824384&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/worker/config3.m4 (original)
+++ httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/worker/config3.m4 Fri Feb 16 00:01:59 2018
@@ -1,5 +1,5 @@
 dnl ## XXX - Need a more thorough check of the proper flags to use
 
-APACHE_MPM_MODULE(worker, $enable_mpm_worker, worker.lo fdqueue.lo,[
+APACHE_MPM_MODULE(worker, $enable_mpm_worker, worker.lo,[
     AC_CHECK_FUNCS(pthread_kill)
 ])

Modified: httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/worker/worker.c
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/worker/worker.c?rev=1824384&r1=1824383&r2=1824384&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/worker/worker.c (original)
+++ httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm/worker/worker.c Fri Feb 16 00:01:59 2018
@@ -64,7 +64,7 @@
 #include "mpm_common.h"
 #include "ap_listen.h"
 #include "scoreboard.h"
-#include "fdqueue.h"
+#include "mpm_fdqueue.h"
 #include "mpm_default.h"
 #include "util_mutex.h"
 #include "unixd.h"
@@ -595,11 +595,7 @@ static void * APR_THREAD_FUNC listener_t
         if (listener_may_exit) break;
 
         if (!have_idle_worker) {
-            /* the following pops a recycled ptrans pool off a stack
-             * if there is one, in addition to reserving a worker thread
-             */
-            rv = ap_queue_info_wait_for_idler(worker_queue_info,
-                                              &ptrans);
+            rv = ap_queue_info_wait_for_idler(worker_queue_info, NULL);
             if (APR_STATUS_IS_EOF(rv)) {
                 break; /* we've been signaled to die now */
             }
@@ -677,6 +673,8 @@ static void * APR_THREAD_FUNC listener_t
         } /* if/else */
 
         if (!listener_may_exit) {
+            /* the following pops a recycled ptrans pool off a stack */
+            ap_queue_info_pop_pool(worker_queue_info, &ptrans);
             if (ptrans == NULL) {
                 /* we can't use a recycled transaction pool this time.
                  * create a new transaction pool */
@@ -686,8 +684,8 @@ static void * APR_THREAD_FUNC listener_t
                 apr_allocator_max_free_set(allocator, ap_max_mem_free);
                 apr_pool_create_ex(&ptrans, pconf, NULL, allocator);
                 apr_allocator_owner_set(allocator, ptrans);
+                apr_pool_tag(ptrans, "transaction");
             }
-            apr_pool_tag(ptrans, "transaction");
             rv = lr->accept_func(&csd, lr, ptrans);
             /* later we trash rv and rely on csd to indicate success/failure */
             AP_DEBUG_ASSERT(rv == APR_SUCCESS || !csd);
@@ -706,14 +704,14 @@ static void * APR_THREAD_FUNC listener_t
                 accept_mutex_error("unlock", rv, process_slot);
             }
             if (csd != NULL) {
-                rv = ap_queue_push(worker_queue, csd, ptrans);
+                rv = ap_queue_push_socket(worker_queue, csd, NULL, ptrans);
                 if (rv) {
                     /* trash the connection; we couldn't queue the connected
                      * socket to a worker
                      */
                     apr_socket_close(csd);
                     ap_log_error(APLOG_MARK, APLOG_CRIT, rv, ap_server_conf, APLOGNO(03138)
-                                 "ap_queue_push failed");
+                                 "ap_queue_push_socket failed");
                 }
                 else {
                     have_idle_worker = 0;
@@ -739,6 +737,7 @@ static void * APR_THREAD_FUNC listener_t
     }
 
     ap_close_listeners_ex(my_bucket->listeners);
+    ap_queue_info_free_idle_pools(worker_queue_info);
     ap_queue_term(worker_queue);
     dying = 1;
     ap_scoreboard_image->parent[process_slot].quiescing = 1;
@@ -802,7 +801,7 @@ worker_pop:
         if (workers_may_exit) {
             break;
         }
-        rv = ap_queue_pop(worker_queue, &csd, &ptrans);
+        rv = ap_queue_pop_socket(worker_queue, &csd, &ptrans);
 
         if (rv != APR_SUCCESS) {
             /* We get APR_EOF during a graceful shutdown once all the connections
@@ -811,9 +810,9 @@ worker_pop:
             if (APR_STATUS_IS_EOF(rv)) {
                 break;
             }
-            /* We get APR_EINTR whenever ap_queue_pop() has been interrupted
+            /* We get APR_EINTR whenever ap_queue_pop_*() has been interrupted
              * from an explicit call to ap_queue_interrupt_all(). This allows
-             * us to unblock threads stuck in ap_queue_pop() when a shutdown
+             * us to unblock threads stuck in ap_queue_pop_*() when a shutdown
              * is pending.
              *
              * If workers_may_exit is set and this is ungraceful termination/
@@ -828,7 +827,7 @@ worker_pop:
             /* We got some other error. */
             else if (!workers_may_exit) {
                 ap_log_error(APLOG_MARK, APLOG_CRIT, rv, ap_server_conf, APLOGNO(03139)
-                             "ap_queue_pop failed");
+                             "ap_queue_pop_socket failed");
             }
             continue;
         }
@@ -903,16 +902,15 @@ static void * APR_THREAD_FUNC start_thre
 
     /* We must create the fd queues before we start up the listener
      * and worker threads. */
-    worker_queue = apr_pcalloc(pchild, sizeof(*worker_queue));
-    rv = ap_queue_init(worker_queue, threads_per_child, pchild);
+    rv = ap_queue_create(&worker_queue, threads_per_child, pchild);
     if (rv != APR_SUCCESS) {
         ap_log_error(APLOG_MARK, APLOG_ALERT, rv, ap_server_conf, APLOGNO(03140)
-                     "ap_queue_init() failed");
+                     "ap_queue_create() failed");
         clean_child_exit(APEXIT_CHILDFATAL);
     }
 
     rv = ap_queue_info_create(&worker_queue_info, pchild,
-                              threads_per_child);
+                              threads_per_child, -1);
     if (rv != APR_SUCCESS) {
         ap_log_error(APLOG_MARK, APLOG_ALERT, rv, ap_server_conf, APLOGNO(03141)
                      "ap_queue_info_create() failed");

Copied: httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm_fdqueue.c (from r1821624, httpd/httpd/trunk/server/mpm_fdqueue.c)
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm_fdqueue.c?p2=httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm_fdqueue.c&p1=httpd/httpd/trunk/server/mpm_fdqueue.c&r1=1821624&r2=1824384&rev=1824384&view=diff
==============================================================================
--- httpd/httpd/trunk/server/mpm_fdqueue.c (original)
+++ httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm_fdqueue.c Fri Feb 16 00:01:59 2018
@@ -14,8 +14,11 @@
  * limitations under the License.
  */
 
-#include "fdqueue.h"
-#include "apr_atomic.h"
+#include "mpm_fdqueue.h"
+
+#if APR_HAS_THREADS
+
+#include <apr_atomic.h>
 
 static const apr_uint32_t zero_pt = APR_UINT32_MAX/2;
 
@@ -41,6 +44,13 @@ struct fd_queue_info_t
     struct recycled_pool *volatile recycled_pools;
 };
 
+struct fd_queue_elem_t
+{
+    apr_socket_t *sd;
+    void *sd_baton;
+    apr_pool_t *p;
+};
+
 static apr_status_t queue_info_cleanup(void *data_)
 {
     fd_queue_info_t *qi = data_;
@@ -53,9 +63,8 @@ static apr_status_t queue_info_cleanup(v
         if (first_pool == NULL) {
             break;
         }
-        if (apr_atomic_casptr
-            ((void*) &(qi->recycled_pools), first_pool->next,
-             first_pool) == first_pool) {
+        if (apr_atomic_casptr((void *)&qi->recycled_pools, first_pool->next,
+                              first_pool) == first_pool) {
             apr_pool_destroy(first_pool->pool);
         }
     }
@@ -63,8 +72,8 @@ static apr_status_t queue_info_cleanup(v
     return APR_SUCCESS;
 }
 
-apr_status_t ap_queue_info_create(fd_queue_info_t ** queue_info,
-                                  apr_pool_t * pool, int max_idlers,
+apr_status_t ap_queue_info_create(fd_queue_info_t **queue_info,
+                                  apr_pool_t *pool, int max_idlers,
                                   int max_recycled_pools)
 {
     apr_status_t rv;
@@ -93,12 +102,12 @@ apr_status_t ap_queue_info_create(fd_que
     return APR_SUCCESS;
 }
 
-apr_status_t ap_queue_info_set_idle(fd_queue_info_t * queue_info,
-                                    apr_pool_t * pool_to_recycle)
+apr_status_t ap_queue_info_set_idle(fd_queue_info_t *queue_info,
+                                    apr_pool_t *pool_to_recycle)
 {
     apr_status_t rv;
 
-    ap_push_pool(queue_info, pool_to_recycle);
+    ap_queue_info_push_pool(queue_info, pool_to_recycle);
 
     /* If other threads are waiting on a worker, wake one up */
     if (apr_atomic_inc32(&queue_info->idlers) < zero_pt) {
@@ -121,7 +130,7 @@ apr_status_t ap_queue_info_set_idle(fd_q
     return APR_SUCCESS;
 }
 
-apr_status_t ap_queue_info_try_get_idler(fd_queue_info_t * queue_info)
+apr_status_t ap_queue_info_try_get_idler(fd_queue_info_t *queue_info)
 {
     /* Don't block if there isn't any idle worker. */
     for (;;) {
@@ -136,7 +145,7 @@ apr_status_t ap_queue_info_try_get_idler
     }
 }
 
-apr_status_t ap_queue_info_wait_for_idler(fd_queue_info_t * queue_info,
+apr_status_t ap_queue_info_wait_for_idler(fd_queue_info_t *queue_info,
                                           int *had_to_block)
 {
     apr_status_t rv;
@@ -173,16 +182,14 @@ apr_status_t ap_queue_info_wait_for_idle
          *     threads are waiting on an idle worker.
          */
         if (queue_info->idlers < zero_pt) {
-            *had_to_block = 1;
+            if (had_to_block) {
+                *had_to_block = 1;
+            }
             rv = apr_thread_cond_wait(queue_info->wait_for_idler,
                                       queue_info->idlers_mutex);
             if (rv != APR_SUCCESS) {
-                apr_status_t rv2;
                 AP_DEBUG_ASSERT(0);
-                rv2 = apr_thread_mutex_unlock(queue_info->idlers_mutex);
-                if (rv2 != APR_SUCCESS) {
-                    return rv2;
-                }
+                apr_thread_mutex_unlock(queue_info->idlers_mutex);
                 return rv;
             }
         }
@@ -200,17 +207,15 @@ apr_status_t ap_queue_info_wait_for_idle
     }
 }
 
-apr_uint32_t ap_queue_info_get_idlers(fd_queue_info_t * queue_info)
+apr_uint32_t ap_queue_info_num_idlers(fd_queue_info_t *queue_info)
 {
     apr_uint32_t val;
     val = apr_atomic_read32(&queue_info->idlers);
-    if (val <= zero_pt)
-        return 0;
-    return val - zero_pt;
+    return (val > zero_pt) ? val - zero_pt : 0;
 }
 
-void ap_push_pool(fd_queue_info_t * queue_info,
-                                    apr_pool_t * pool_to_recycle)
+void ap_queue_info_push_pool(fd_queue_info_t *queue_info,
+                             apr_pool_t *pool_to_recycle)
 {
     struct recycled_pool *new_recycle;
     /* If we have been given a pool to recycle, atomically link
@@ -220,8 +225,8 @@ void ap_push_pool(fd_queue_info_t * queu
         return;
 
     if (queue_info->max_recycled_pools >= 0) {
-        apr_uint32_t cnt = apr_atomic_read32(&queue_info->recycled_pools_count);
-        if (cnt >= queue_info->max_recycled_pools) {
+        apr_uint32_t n = apr_atomic_read32(&queue_info->recycled_pools_count);
+        if (n >= queue_info->max_recycled_pools) {
             apr_pool_destroy(pool_to_recycle);
             return;
         }
@@ -229,8 +234,7 @@ void ap_push_pool(fd_queue_info_t * queu
     }
 
     apr_pool_clear(pool_to_recycle);
-    new_recycle = (struct recycled_pool *) apr_palloc(pool_to_recycle,
-                                                      sizeof (*new_recycle));
+    new_recycle = apr_palloc(pool_to_recycle, sizeof *new_recycle);
     new_recycle->pool = pool_to_recycle;
     for (;;) {
         /*
@@ -240,13 +244,14 @@ void ap_push_pool(fd_queue_info_t * queu
          */
         struct recycled_pool *next = queue_info->recycled_pools;
         new_recycle->next = next;
-        if (apr_atomic_casptr((void*) &(queue_info->recycled_pools),
+        if (apr_atomic_casptr((void *)&queue_info->recycled_pools,
                               new_recycle, next) == next)
             break;
     }
 }
 
-void ap_pop_pool(apr_pool_t ** recycled_pool, fd_queue_info_t * queue_info)
+void ap_queue_info_pop_pool(fd_queue_info_t *queue_info,
+                            apr_pool_t **recycled_pool)
 {
     /* Atomically pop a pool from the recycled list */
 
@@ -266,9 +271,8 @@ void ap_pop_pool(apr_pool_t ** recycled_
         if (first_pool == NULL) {
             break;
         }
-        if (apr_atomic_casptr
-            ((void*) &(queue_info->recycled_pools),
-             first_pool->next, first_pool) == first_pool) {
+        if (apr_atomic_casptr((void *)&queue_info->recycled_pools,
+                              first_pool->next, first_pool) == first_pool) {
             *recycled_pool = first_pool->pool;
             if (queue_info->max_recycled_pools >= 0)
                 apr_atomic_dec32(&queue_info->recycled_pools_count);
@@ -277,28 +281,33 @@ void ap_pop_pool(apr_pool_t ** recycled_
     }
 }
 
-void ap_free_idle_pools(fd_queue_info_t *queue_info)
+void ap_queue_info_free_idle_pools(fd_queue_info_t *queue_info)
 {
     apr_pool_t *p;
 
     queue_info->max_recycled_pools = 0;
-    do {
-        ap_pop_pool(&p, queue_info);
-        if (p != NULL)
-            apr_pool_destroy(p);
-    } while (p != NULL);
+    for (;;) {
+        ap_queue_info_pop_pool(queue_info, &p);
+        if (p == NULL)
+            break;
+        apr_pool_destroy(p);
+    }
+    apr_atomic_set32(&queue_info->recycled_pools_count, 0);
 }
 
 
-apr_status_t ap_queue_info_term(fd_queue_info_t * queue_info)
+apr_status_t ap_queue_info_term(fd_queue_info_t *queue_info)
 {
     apr_status_t rv;
+
     rv = apr_thread_mutex_lock(queue_info->idlers_mutex);
     if (rv != APR_SUCCESS) {
         return rv;
     }
+
     queue_info->terminated = 1;
     apr_thread_cond_broadcast(queue_info->wait_for_idler);
+
     return apr_thread_mutex_unlock(queue_info->idlers_mutex);
 }
 
@@ -312,7 +321,9 @@ apr_status_t ap_queue_info_term(fd_queue
  * Detects when the fd_queue_t is empty. This utility function is expected
  * to be called from within critical sections, and is not threadsafe.
  */
-#define ap_queue_empty(queue) ((queue)->nelts == 0 && APR_RING_EMPTY(&queue->timers ,timer_event_t, link))
+#define ap_queue_empty(queue) ((queue)->nelts == 0 && \
+                               APR_RING_EMPTY(&queue->timers, \
+                                              timer_event_t, link))
 
 /**
  * Callback routine that is called to destroy this
@@ -334,35 +345,30 @@ static apr_status_t ap_queue_destroy(voi
 /**
  * Initialize the fd_queue_t.
  */
-apr_status_t ap_queue_init(fd_queue_t * queue, int queue_capacity,
-                           apr_pool_t * a)
+apr_status_t ap_queue_create(fd_queue_t **pqueue, int capacity, apr_pool_t *p)
 {
-    int i;
     apr_status_t rv;
+    fd_queue_t *queue;
+
+    queue = apr_pcalloc(p, sizeof *queue);
 
     if ((rv = apr_thread_mutex_create(&queue->one_big_mutex,
                                       APR_THREAD_MUTEX_DEFAULT,
-                                      a)) != APR_SUCCESS) {
+                                      p)) != APR_SUCCESS) {
         return rv;
     }
-    if ((rv = apr_thread_cond_create(&queue->not_empty, a)) != APR_SUCCESS) {
+    if ((rv = apr_thread_cond_create(&queue->not_empty, p)) != APR_SUCCESS) {
         return rv;
     }
 
     APR_RING_INIT(&queue->timers, timer_event_t, link);
 
-    queue->data = apr_palloc(a, queue_capacity * sizeof(fd_queue_elem_t));
-    queue->bounds = queue_capacity;
-    queue->nelts = 0;
-    queue->in = 0;
-    queue->out = 0;
-
-    /* Set all the sockets in the queue to NULL */
-    for (i = 0; i < queue_capacity; ++i)
-        queue->data[i].sd = NULL;
+    queue->data = apr_pcalloc(p, capacity * sizeof(fd_queue_elem_t));
+    queue->bounds = capacity;
 
-    apr_pool_cleanup_register(a, queue, ap_queue_destroy,
+    apr_pool_cleanup_register(p, queue, ap_queue_destroy,
                               apr_pool_cleanup_null);
+    *pqueue = queue;
 
     return APR_SUCCESS;
 }
@@ -373,8 +379,9 @@ apr_status_t ap_queue_init(fd_queue_t *
  * precondition: ap_queue_info_wait_for_idler has already been called
  *               to reserve an idle worker thread
  */
-apr_status_t ap_queue_push(fd_queue_t * queue, apr_socket_t * sd,
-                           event_conn_state_t * ecs, apr_pool_t * p)
+apr_status_t ap_queue_push_socket(fd_queue_t *queue,
+                                  apr_socket_t *sd, void *sd_baton,
+                                  apr_pool_t *p)
 {
     fd_queue_elem_t *elem;
     apr_status_t rv;
@@ -386,25 +393,20 @@ apr_status_t ap_queue_push(fd_queue_t *
     AP_DEBUG_ASSERT(!queue->terminated);
     AP_DEBUG_ASSERT(!ap_queue_full(queue));
 
-    elem = &queue->data[queue->in];
-    queue->in++;
+    elem = &queue->data[queue->in++];
     if (queue->in >= queue->bounds)
         queue->in -= queue->bounds;
     elem->sd = sd;
-    elem->ecs = ecs;
+    elem->sd_baton = sd_baton;
     elem->p = p;
     queue->nelts++;
 
     apr_thread_cond_signal(queue->not_empty);
 
-    if ((rv = apr_thread_mutex_unlock(queue->one_big_mutex)) != APR_SUCCESS) {
-        return rv;
-    }
-
-    return APR_SUCCESS;
+    return apr_thread_mutex_unlock(queue->one_big_mutex);
 }
 
-apr_status_t ap_queue_push_timer(fd_queue_t * queue, timer_event_t *te)
+apr_status_t ap_queue_push_timer(fd_queue_t *queue, timer_event_t *te)
 {
     apr_status_t rv;
 
@@ -418,11 +420,7 @@ apr_status_t ap_queue_push_timer(fd_queu
 
     apr_thread_cond_signal(queue->not_empty);
 
-    if ((rv = apr_thread_mutex_unlock(queue->one_big_mutex)) != APR_SUCCESS) {
-        return rv;
-    }
-
-    return APR_SUCCESS;
+    return apr_thread_mutex_unlock(queue->one_big_mutex);
 }
 
 /**
@@ -431,11 +429,12 @@ apr_status_t ap_queue_push_timer(fd_queu
  * Once retrieved, the socket is placed into the address specified by
  * 'sd'.
  */
-apr_status_t ap_queue_pop_something(fd_queue_t * queue, apr_socket_t ** sd,
-                                    event_conn_state_t ** ecs, apr_pool_t ** p,
-                                    timer_event_t ** te_out)
+apr_status_t ap_queue_pop_something(fd_queue_t *queue,
+                                    apr_socket_t **sd, void **sd_baton,
+                                    apr_pool_t **p, timer_event_t **te_out)
 {
     fd_queue_elem_t *elem;
+    timer_event_t *te;
     apr_status_t rv;
 
     if ((rv = apr_thread_mutex_lock(queue->one_big_mutex)) != APR_SUCCESS) {
@@ -462,20 +461,24 @@ apr_status_t ap_queue_pop_something(fd_q
         }
     }
 
-    *te_out = NULL;
-
-    if (!APR_RING_EMPTY(&queue->timers, timer_event_t, link)) {
-        *te_out = APR_RING_FIRST(&queue->timers);
-        APR_RING_REMOVE(*te_out, link);
+    te = NULL;
+    if (te_out) {
+        if (!APR_RING_EMPTY(&queue->timers, timer_event_t, link)) {
+            te = APR_RING_FIRST(&queue->timers);
+            APR_RING_REMOVE(te, link);
+        }
+        *te_out = te;
     }
-    else {
-        elem = &queue->data[queue->out];
-        queue->out++;
+    if (!te) {
+        elem = &queue->data[queue->out++];
         if (queue->out >= queue->bounds)
             queue->out -= queue->bounds;
         queue->nelts--;
+
         *sd = elem->sd;
-        *ecs = elem->ecs;
+        if (sd_baton) {
+            *sd_baton = elem->sd_baton;
+        }
         *p = elem->p;
 #ifdef AP_DEBUG
         elem->sd = NULL;
@@ -483,8 +486,7 @@ apr_status_t ap_queue_pop_something(fd_q
 #endif /* AP_DEBUG */
     }
 
-    rv = apr_thread_mutex_unlock(queue->one_big_mutex);
-    return rv;
+    return apr_thread_mutex_unlock(queue->one_big_mutex);
 }
 
 static apr_status_t queue_interrupt(fd_queue_t *queue, int all, int term)
@@ -494,6 +496,7 @@ static apr_status_t queue_interrupt(fd_q
     if ((rv = apr_thread_mutex_lock(queue->one_big_mutex)) != APR_SUCCESS) {
         return rv;
     }
+
     /* we must hold one_big_mutex when setting this... otherwise,
      * we could end up setting it and waking everybody up just after a
      * would-be popper checks it but right before they block
@@ -505,20 +508,23 @@ static apr_status_t queue_interrupt(fd_q
         apr_thread_cond_broadcast(queue->not_empty);
     else
         apr_thread_cond_signal(queue->not_empty);
+
     return apr_thread_mutex_unlock(queue->one_big_mutex);
 }
 
-apr_status_t ap_queue_interrupt_all(fd_queue_t * queue)
+apr_status_t ap_queue_interrupt_all(fd_queue_t *queue)
 {
     return queue_interrupt(queue, 1, 0);
 }
 
-apr_status_t ap_queue_interrupt_one(fd_queue_t * queue)
+apr_status_t ap_queue_interrupt_one(fd_queue_t *queue)
 {
     return queue_interrupt(queue, 0, 0);
 }
 
-apr_status_t ap_queue_term(fd_queue_t * queue)
+apr_status_t ap_queue_term(fd_queue_t *queue)
 {
     return queue_interrupt(queue, 1, 1);
 }
+
+#endif /* APR_HAS_THREADS */

Copied: httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm_fdqueue.h (from r1821624, httpd/httpd/trunk/server/mpm_fdqueue.h)
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm_fdqueue.h?p2=httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm_fdqueue.h&p1=httpd/httpd/trunk/server/mpm_fdqueue.h&r1=1821624&r2=1824384&rev=1824384&view=diff
==============================================================================
--- httpd/httpd/trunk/server/mpm_fdqueue.h (original)
+++ httpd/httpd/branches/2.4.x-mpm_fdqueue/server/mpm_fdqueue.h Fri Feb 16 00:01:59 2018
@@ -15,54 +15,52 @@
  */
 
 /**
- * @file  event/fdqueue.h
+ * @file  server/mpm_fdqueue.h
  * @brief fd queue declarations
  *
  * @addtogroup APACHE_MPM_EVENT
  * @{
  */
 
-#ifndef FDQUEUE_H
-#define FDQUEUE_H
-#include "httpd.h"
-#include <stdlib.h>
-#if APR_HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <apr_thread_mutex.h>
-#include <apr_thread_cond.h>
-#include <sys/types.h>
-#if APR_HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
-#endif
-#include <apr_errno.h>
+#ifndef MPM_FDQUEUE_H
+#define MPM_FDQUEUE_H
 
-#include "ap_mpm.h"
+#include <apr.h>
 
-typedef struct fd_queue_info_t fd_queue_info_t;
-typedef struct event_conn_state_t event_conn_state_t;
+/* This code is not AP_DECLARE()ed/exported, and used by MPMs event/worker
+ * only (for now), not worth thinking about w/o threads either...
+ */
+#if APR_HAS_THREADS
 
-apr_status_t ap_queue_info_create(fd_queue_info_t ** queue_info,
-                                  apr_pool_t * pool, int max_idlers,
-                                  int max_recycled_pools);
-apr_status_t ap_queue_info_set_idle(fd_queue_info_t * queue_info,
-                                    apr_pool_t * pool_to_recycle);
-apr_status_t ap_queue_info_try_get_idler(fd_queue_info_t * queue_info);
-apr_status_t ap_queue_info_wait_for_idler(fd_queue_info_t * queue_info,
-                                          int *had_to_block);
-apr_status_t ap_queue_info_term(fd_queue_info_t * queue_info);
-apr_uint32_t ap_queue_info_get_idlers(fd_queue_info_t * queue_info);
-void ap_free_idle_pools(fd_queue_info_t *queue_info);
+#include "ap_mpm.h"
 
-struct fd_queue_elem_t
-{
-    apr_socket_t *sd;
-    apr_pool_t *p;
-    event_conn_state_t *ecs;
-};
+#include <apr_ring.h>
+#include <apr_pools.h>
+#include <apr_thread_mutex.h>
+#include <apr_thread_cond.h>
+#include <apr_network_io.h>
+
+struct fd_queue_info_t; /* opaque */
+struct fd_queue_elem_t; /* opaque */
+typedef struct fd_queue_info_t fd_queue_info_t;
 typedef struct fd_queue_elem_t fd_queue_elem_t;
 
-typedef struct timer_event_t timer_event_t;
+AP_DECLARE(apr_status_t) ap_queue_info_create(fd_queue_info_t **queue_info,
+                                              apr_pool_t *pool, int max_idlers,
+                                              int max_recycled_pools);
+AP_DECLARE(apr_status_t) ap_queue_info_set_idle(fd_queue_info_t *queue_info,
+                                                apr_pool_t *pool_to_recycle);
+AP_DECLARE(apr_status_t) ap_queue_info_try_get_idler(fd_queue_info_t *queue_info);
+AP_DECLARE(apr_status_t) ap_queue_info_wait_for_idler(fd_queue_info_t *queue_info,
+                                                      int *had_to_block);
+AP_DECLARE(apr_uint32_t) ap_queue_info_num_idlers(fd_queue_info_t *queue_info);
+AP_DECLARE(apr_status_t) ap_queue_info_term(fd_queue_info_t *queue_info);
+
+AP_DECLARE(void) ap_queue_info_pop_pool(fd_queue_info_t *queue_info,
+                                        apr_pool_t **recycled_pool);
+AP_DECLARE(void) ap_queue_info_push_pool(fd_queue_info_t *queue_info,
+                                         apr_pool_t *pool_to_recycle);
+AP_DECLARE(void) ap_queue_info_free_idle_pools(fd_queue_info_t *queue_info);
 
 struct timer_event_t
 {
@@ -73,6 +71,7 @@ struct timer_event_t
     int canceled;
     apr_array_header_t *remove;
 };
+typedef struct timer_event_t timer_event_t;
 
 struct fd_queue_t
 {
@@ -88,21 +87,24 @@ struct fd_queue_t
 };
 typedef struct fd_queue_t fd_queue_t;
 
-void ap_pop_pool(apr_pool_t ** recycled_pool, fd_queue_info_t * queue_info);
-void ap_push_pool(fd_queue_info_t * queue_info,
-                                    apr_pool_t * pool_to_recycle);
-
-apr_status_t ap_queue_init(fd_queue_t * queue, int queue_capacity,
-                           apr_pool_t * a);
-apr_status_t ap_queue_push(fd_queue_t * queue, apr_socket_t * sd,
-                           event_conn_state_t * ecs, apr_pool_t * p);
-apr_status_t ap_queue_push_timer(fd_queue_t *queue, timer_event_t *te);
-apr_status_t ap_queue_pop_something(fd_queue_t * queue, apr_socket_t ** sd,
-                                    event_conn_state_t ** ecs, apr_pool_t ** p,
-                                    timer_event_t ** te);
-apr_status_t ap_queue_interrupt_all(fd_queue_t * queue);
-apr_status_t ap_queue_interrupt_one(fd_queue_t * queue);
-apr_status_t ap_queue_term(fd_queue_t * queue);
+AP_DECLARE(apr_status_t) ap_queue_create(fd_queue_t **pqueue,
+                                         int capacity, apr_pool_t *p);
+AP_DECLARE(apr_status_t) ap_queue_push_socket(fd_queue_t *queue,
+                                              apr_socket_t *sd, void *sd_baton,
+                                              apr_pool_t *p);
+AP_DECLARE(apr_status_t) ap_queue_push_timer(fd_queue_t *queue,
+                                             timer_event_t *te);
+AP_DECLARE(apr_status_t) ap_queue_pop_something(fd_queue_t *queue,
+                                                apr_socket_t **sd, void **sd_baton,
+                                                apr_pool_t **p, timer_event_t **te);
+#define                  ap_queue_pop_socket(q_, s_, p_) \
+                            ap_queue_pop_something((q_), (s_), NULL, (p_), NULL)
+
+AP_DECLARE(apr_status_t) ap_queue_interrupt_all(fd_queue_t *queue);
+AP_DECLARE(apr_status_t) ap_queue_interrupt_one(fd_queue_t *queue);
+AP_DECLARE(apr_status_t) ap_queue_term(fd_queue_t *queue);
+
+#endif /* APR_HAS_THREADS */
 
-#endif /* FDQUEUE_H */
+#endif /* MPM_FDQUEUE_H */
 /** @} */