ÿØÿà JFIF 

  
 
  ÿÛ „ 	 ( %"1!%)+...383,7(-.+




-+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â
" 

ÿÄ   

           
 ÿÄ H 
     
 !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ 
 


            
ÿÄ %

 
       
!1AQa"23‘ÿÚ 
  ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ	ú®ði~TÁb
qÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6
öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ
"Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô	Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt	‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%º<!vB™'èÔ6´Ña¿«e`Àà0U[-ÂБ4)M÷YK*³hï÷%ÎÎkÇ«m‘-íWŽLsã?nÂ~«†üö®þ¡ÂlÃaÿ ‰ÿ l©°Õ¥ åÜá¿r ºL[Çâ°(Çè'Vãôl8´ÏRÀvLvPõ:…ÙNçF™÷ë>Íãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3
Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A	õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»&
î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ 
÷Û	#°xŸëí(l
	 »ý3—¥5m!
rt`†0~'j2(]S¦¦kv,ÚÇl¦øJA£Šƒ
J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨Ö
Ú5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg
A2Z
"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b
 Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø	ð\á)}	¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±
N¢aF¨…8¯!U		Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD
é©¤&‡ïDbàÁôMÁ."
¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO
˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \
	–Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€
L¦l{Y*K˜Ù›zc˜–ˆâø+¾	­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú
ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a
*•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü
€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm"
6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúgüAx
’6Lê‚xÝÓ*äQ
Ï’¨hÍ
=²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß
¦å¿çÉ
ðK§þ{‘t‚Ϋ¬jéîZ[”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ã
ÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜz,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M?
K]­ÅàPl@s_ p:°¬ZR”´›JC[CS.h‹ƒïËœ«Æ]–÷ó‚wR×k7X‰k›‘´ù¦=¡«‰¨¨Â')—71ó’c‡Ðúµ
`é.{§p¹ój\Ž{1h{o±Ý=áUÊïGÖŒõ–-BÄm+AZX¶¡
ïHðæ¥JmÙ;…ä¡Ÿˆ¦ ° äšiÉg«$üMk5¤L“’çÊvïâï	,=f“"íἊ5ô¬x6{ɏžID0e¸vçmi'︧ºð9$ò¹÷*£’9ÿ ²TÔ…×>JV¥}Œ}$p[bÔ®*[jzS*8
”·T›Í–ñUîƒwo$áè=LT™ç—~ô·¤ÈÚ$榍q‰„+´kFm)ž‹©i–ËqÞŠ‰à¶ü( ‚•§ •°ò·‡#5ª•µÊ﯅¡X¨šÁ*F#TXJÊ
ušJVÍ&=iÄs1‚3•'fý§5Ñ<=[íÞ­
PÚ;ѱÌ_~Ä££8rÞ
²w;’hDT°>ÈG¬8Á²ÚzŽ®ò®qZcqJêäÞ-ö[ܘbň±çb“Š¶31²n×iƒðÕ;1¶þÉ
ªX‰,ßqÏ$>•î íZ¥Z 1{ç൵+ƒÕµ¥°T$§K]á»Ûï*·¤tMI’ÂZbŽÕiÒ˜}bÓ0£ª5›¨[5Ž^ÝœWøÂÝh°
¢OWun£¤5 a2Z.G2³YL]jåtì”
ä	ÁÓ‘%"©<ÔúÊ°sº UZvä‡ÄiÆÒM .÷V·™ø#kèýií<NçŽôª¦„lË»{ƒ®<
[¦Y‹éƒ}j•*‚±€I‡e&gbéšp9å^!®€ö?ù^àTzo@Q¨Aêœ& [”…üÔ}пF’Hq‚©´{“ëH·?.½%úå»É Á´9¿¼Ò‰Á¼Ì¥Ús¼zW¶aÃhwÖ…ÑÏ$mò´ë:×Ñγ|”x§
µ0Âз$·aÆn µ†šÇ³£‰Ì®ž
õ@kŽ«gtí䢩ÒP×5¤?µÿ m´Ì^ ‡8¸Á8‹”žÆWÑ ¡™„,Ì“»à‹ÃéV¸®á›ÐÇŽBÀ®Ã…Z”ØÛë8;é|Ñ5)7aÕ&2Ù¸÷©ö—Ð;‡¬7"¿"7M·d
ñœÒÌf5”ê ;"Ãp5¯¬3‹ùJÚÝG›½&¯<{òñKÎÖ“3:¦ÀòGPÅS¨;
à‘Ün´öpð±W)z'¬öÀÖ#Xf2& æ
Œ‹é¾"‹\!Ñ9…
0±2A›*ØMÄ $X
끫ØXÖ,X¥ ô'ËnFÍãlqJXçuaJ4¦„ëµ7ê;h"Zã¾Áä£,vÛ‹’N©E(Öu÷)…ÁaÜÇÔkˆ$‘1kmG¨øtÛ>Ì–ª)µT[)BˆõÑ
xB¾B€ÖT¨.¥~ð@VĶr#¸ü*åZNDŽH;âi 
],©£öØpù(šºãö¼T.uCê•4@ÿ GÕÛ)Cx›®0ø#:ÏðFÒbR\(€€Ä
®fã4Þ‰Fä¯HXƒÅ,†öEÑÔÜ]Öv²?tLÃvBY£ú6Êu5ÅAQ³1‘’¬x–HŒÐ‡ ^	¸KwJôÖŽ5×CÚ¨vÜ«/B0$×k°=ðbÇ(Ï)w±A†Á†	11Í=èQšµ626ŒÜ/`G«µ<}—-Ö7KEHÈÉðóȤmݱû±·ø«Snmá=“ä«šmݱŸ¡¶~ó·“äUóJæúòB|E LêŽy´jDÔ$G¢þÐñ7óR8ýÒ…Ç›	WVe#·Ÿ	p·Fx~•ݤF÷0Èÿ K¯æS<6’¡WШ
;´ÿ ¥Êø\Òuî†åÝ–VNœkÒ7oòX¨Á­Ø÷FÎÑä±g÷ÿ M~Çî=p,X´
ÝÌÚÅ‹
’ÃjÖ.ØöÏñ
qïQ¤ÓZE†° =6·]܈ s¸>v•Ž^Ý\wq9r‰Î\¸¡kURÒ$­*‹Nq?Þª*!sŠÆ:TU_u±T+øX¡
®¹¡,ÄâÃBTsÜ$Ø›4m椴zÜK]’’›Pƒ@€#â˜`é¹=I‡fiV•Ôî“nRm+µFPOhÍ0B£
€+¬5c
v•:P'ÒyÎ ‰V~‚Ó†ÖuókDoh$å\*ö%Ю=£«…aȼ½÷Û.-½VŒŠ¼'lyî±1¬3ó#ÞE¿ÔS¤gV£m›<HqÚ,sVºóÆß¼Hïô…¹…Méi‡Ò" µùEîØÏj|ÓøVOuœ"f’aÞÞëx…˜ÌO`dHHš×4K*H$‡5×
ÚÄ
Â×CUÅAŠŒsr»2°ÄÁiÚ±Çéõe•¶_SÕÆÃ3ˆ•-3´‘¸¡‡cgDîÚ¦ÃcX}'êûJè½9ñìÓ­ä±	×ÓûçÁmO”üVÞ¸÷¥ I~“ÒôhhûýÑwxlïZ¹G¡4ž=”)º£ò
®vÆŽ%UqÝ4qž©­hûÎí‡š§é1R±cÜèðà y' °ôy¦£q§Ýï¬;šÖõ„Sÿ ›  z('S†$Ï}*evÚ¾Kýº8ý
¨å	jÛ]´-‚6«¶ÖK+8ÊiS45jrœèËQDüDØ]R”˜SPÃ
xJÕl>
=§\û"—WU¤ÚǼÿ ÂnÁ
GŒÃ
‚õN	D³õNÚíŒÕ;HôyÄÈ©P¹Ä{:?R‘Ô¨âF÷ø£bÅó® JS|‚R÷ivýáâ€Æé¡è³´IئÑT!§˜•Øª‚¬â@q€wnïCWÄ@JU€ê¯m6]Ï:£âx
'+ÒðXvÓ¦Úm=–´7œ $ì“B£~p%ÕŸUþ« N@¼üï~w˜ñø5®—'Ôe»¤5ã//€ž~‰Tþ›Å7•#¤×Íö
pÄ$ùeåì*«ÓŠEØWEÈsßg¦ûvžSsLpºÊW–âµEWöˬH;™!CYõZÃÄf æ#1W.
\uWâ\,\Çfj’<qTbên›Î[vxx£ë 'ö¨1›˜ÀM¼Pÿ H)ƒêêŒA7s,|F“꺸k³9Ìö*ç®;Ö!Ö$Eiž•¹ÒÚ†ýóéÝû¾ÕS®ó$’NÝäŸz¤5r¦ãÄÃD÷Üø!°ø‡Ô&@m™Ì^Ãä­d	q5Lnÿ N;.6½·N|#ä"1Nƒx“ã<3('&ñß
t  ~ªu”1Tb㫨9ê–›–bìd$ߣ=#ÕãÒmU¯eí$EFù5ýYô櫨æ왍Ǘ±ssM]·á¿
0ÕåJRÓªîiƒ+O58ÖñªŠÒx"	\µâá¨i’¤i
—Ö
”
M+M¤ë9‚‰A¦°Qõ¾ßøK~¼Ã‘g…Ö´~÷Ï[3GUœÒ½#…kàÔ®Ò”‰³·dWV‰IP‰Ú8u¹”E
ÖqLj¾êÕCBš{A^Âß;–¨`¯¬ìö
˼	×tìø.tƐm*n¨y4o&Àx¥n¦×î‡aupáÛj8¿m›è¶ã!o½;ß0y^ý×^EÑ¿ÒjzŒ­)vÚÑnÄL
…^ªô× ‡—‚3k	Îý­hï]içå–îÏ*÷ñþ»Ô
CÒjøjÍznˆ´
¹#b'Fô‹
‰v¥'’à'T´ƒHýÍ%M‰ ƒ&ÆÇŒï1 ‘	–Þ
‰i¬s žR-Ÿ kŠ¬á¬7:þ 0ŒÅÒÕ/aÙ¬ÃÝ#Úøœ
©aiVc‰. ¹¦ãµ”
›Yg¦›ÆÎýº°f³7ƒhá·¸­}&D9¡ÂsÉÙÞèŠõØàC™¨ñbFC|´Ü(ŸƒÚÒ-%»'a	Ì¿)ËÇn¿úÿ ÞŽX…4ÊÅH^ôΑí@ù¹Eh¶“L8Çjù
¼ÎåVªóR©Ï5uÃ
V4lZß®=€xÖŸ–ÑÈ
÷”¨°¾__yM1tÉ?uÆþIkÄgæ@þ[¢†°XÃJ£j·:nkÅ¢u‘}âGzö­/IµèŠ¬¼48q¦F°ŽR¼=ûì{´¯RýicS
ÕÛ íNtÍÙï£,w4rêì®»~x(©Uñ§#Ñ&œÕ¤>ÎåÍÓ9’Ö{9eV­[Öjâ²ãu]˜å2›qÑšÕJç0€sÄ|Êëè0튔bÁ>“{×_F`Ø©ºê:µä,v¤ðfc1±"«ÔÍän1#=·
Âøv~H<Q-Ìk7Æ;•L´©ÙC°.7
¯hKL@ävÊâž$´4¸ð‚¦­R–ÂZ7ÕÃj±·¿rÓrªJ_PÕ.#g¤gÀ)©`ª<KžèÝ'ä©èÒ3rwû€Ø¦ÒƒLf¤
,¿I½{Ƕ8‘$KÝU/Oi>½ÐßA¾¿Ü€Óš]Õ; I¾÷ç‚Qi†î¹9ywÔKG˜áñ zQY—§ÃÕZ07§X‚Áh;ÁM)iÌCH-¯T‘ë|A0{Ò½LÚ–TâÖkÜ’dÀ“rmm»”جPF³ÖcbE§T€ÒxKºû’Ó®7±²(\4ŽÃ¸Uu@j™yĵ;³µ!Á¢b.W¤=mõ´êµKk
¸K^ÜÛ#p*Ü14qkZç5ïë†°5Ï%ÍÛ<Õ¤×Ô¥ê†C	Õ´¼ú$ƒÖ“”]Ù¬qÞÚ[4©ý!ûÏ—Áb쳐XµA¬â~`›Çr¸8ìùÝ䫦<>ä÷«?xs´ÇÑ	/á;¹øüÊÈÙà{"@Žïzâ¬[âß‚ U_<ÇŸ½4èN˜ú61®qŠu ¦þF£»äJ_ˆÙÎ~ ÞAã–Ý„Ï—rŠD;xTž‘ô`É«…suãO`?³à™ô
Lý#Íc5öoæØ‚y´´÷«ZR§<&JÇ+éâô´€i!Àˆ0æAoàðLèÖ-2ŸõW.’t^–(KÁmHµV@xÜÇy®Ñø­â^:Ú3w· 7½¹°ñ¸â¹®:',«Mœ—n­Á+Ãbš
LÈ‘ÄnRÓÅœ%¦²‰¨ùQ:¤f‚ "PÕtô¸…cæl…&˜Ú˜Ôkv‹ž+vŠ,=¢v­6—X
y*¥t£«<™:“aï<QÝ&Ó]i4音äzçáíHÚÕxcòãæäÝÔm퐡 `Â)C×ehÀdHP6ÅMEöZ®Í¨	é¾Tr뢘6*¶;´sÙì]ÊŽŽÛíÉwRÈ´up* Ã	‚m´:Û{·”MUë©õ̤êÔo7:ŽÕ
qÏ'E ˆk^uãT€$Ú$Æ{•ŸBP°al¾Ž©ŒÃ^}äA
,º­$Ü]ºÚ.í:‹¤ÜöXnno7X€¥BÂà ±1ã>Œºîϲ=¦6rO]XI¿Œ÷¤zÚ­›¶ 6÷”w\dü~v®ˆÌk«^m<ÿ ¢‰Õ\)ùºŽ;… lîÙÅEŠ®cѾ@vnMÏ,¼“
ñ•ŽBxðÃzãÇç%3ˆ"}Ù•Åî>
BÉú;Ò]V+P˜F_´ßé>
Øše|ï‡ÄOmFæÇ ãqÞ$/xÐx­z`ï9"œÜij‚!7.\Td…9M‡•iŽ‹¾‘50ÞŽn¥ß4ÉôO¹*í^QêËÜÇÌ8=Ž
§s‰'ÂëÙ«á%Pú[O
†ÅP¯VsŽ°.‰,kc¶ ¬A9n˜XÎ-ÞšN["¹QÕ‰ƒMýÁߺXJæÍaLj¾×Ãmã¾ãÚ uñÒþåQô¦¥
/ÄUx:‚ÍÜ’ Đ©ØÝ3V¨‰ÕnÐ6ó*óúK­«…c ¯U òhsý­jóÔj#,ímŒRµ«lbïUTŒÑ8†Ä0œÏr`ð¡¬É	Ї
ë"À²

™	6¥ f¶¢ÚoܱԷ-<Àî)†a¶ž'Ú»¨TXqØæ¶÷Y
ÄHy˜9ÈIW­YÀuMFë
ºÏ’AqÌ4·/Ú
†ô'i$øä­=Ä
Ý|öK×40è|È6p‘0§)o¥ctî§H+CA-“ xØ|ÐXŠç
l8íºð3Ø:³¤¬KX¯UÿÙ
<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Application;

defined('JPATH_PLATFORM') or die;

jimport('joomla.filesystem.folder');

use Joomla\Registry\Registry;

/**
 * Class to turn CliApplication applications into daemons.  It requires CLI and PCNTL support built into PHP.
 *
 * @link   https://secure.php.net/manual/en/book.pcntl.php
 * @link   https://secure.php.net/manual/en/features.commandline.php
 * @since  11.1
 */
class DaemonApplication extends CliApplication
{
	/**
	 * @var    array  The available POSIX signals to be caught by default.
	 * @link   https://secure.php.net/manual/pcntl.constants.php
	 * @since  11.1
	 */
	protected static $signals = array(
		'SIGHUP',
		'SIGINT',
		'SIGQUIT',
		'SIGILL',
		'SIGTRAP',
		'SIGABRT',
		'SIGIOT',
		'SIGBUS',
		'SIGFPE',
		'SIGUSR1',
		'SIGSEGV',
		'SIGUSR2',
		'SIGPIPE',
		'SIGALRM',
		'SIGTERM',
		'SIGSTKFLT',
		'SIGCLD',
		'SIGCHLD',
		'SIGCONT',
		'SIGTSTP',
		'SIGTTIN',
		'SIGTTOU',
		'SIGURG',
		'SIGXCPU',
		'SIGXFSZ',
		'SIGVTALRM',
		'SIGPROF',
		'SIGWINCH',
		'SIGPOLL',
		'SIGIO',
		'SIGPWR',
		'SIGSYS',
		'SIGBABY',
		'SIG_BLOCK',
		'SIG_UNBLOCK',
		'SIG_SETMASK',
	);

	/**
	 * @var    boolean  True if the daemon is in the process of exiting.
	 * @since  11.1
	 */
	protected $exiting = false;

	/**
	 * @var    integer  The parent process id.
	 * @since  12.1
	 */
	protected $parentId = 0;

	/**
	 * @var    integer  The process id of the daemon.
	 * @since  11.1
	 */
	protected $processId = 0;

	/**
	 * @var    boolean  True if the daemon is currently running.
	 * @since  11.1
	 */
	protected $running = false;

	/**
	 * Class constructor.
	 *
	 * @param   \JInputCli         $input       An optional argument to provide dependency injection for the application's
	 *                                         input object.  If the argument is a \JInputCli object that object will become
	 *                                         the application's input object, otherwise a default input object is created.
	 * @param   Registry           $config      An optional argument to provide dependency injection for the application's
	 *                                         config object.  If the argument is a Registry object that object will become
	 *                                         the application's config object, otherwise a default config object is created.
	 * @param   \JEventDispatcher  $dispatcher  An optional argument to provide dependency injection for the application's
	 *                                         event dispatcher.  If the argument is a \JEventDispatcher object that object will become
	 *                                         the application's event dispatcher, if it is null then the default event dispatcher
	 *                                         will be created based on the application's loadDispatcher() method.
	 *
	 * @since   11.1
	 * @throws  \RuntimeException
	 */
	public function __construct(\JInputCli $input = null, Registry $config = null, \JEventDispatcher $dispatcher = null)
	{
		// Verify that the process control extension for PHP is available.
		if (!defined('SIGHUP'))
		{
			\JLog::add('The PCNTL extension for PHP is not available.', \JLog::ERROR);
			throw new \RuntimeException('The PCNTL extension for PHP is not available.');
		}

		// Verify that POSIX support for PHP is available.
		if (!function_exists('posix_getpid'))
		{
			\JLog::add('The POSIX extension for PHP is not available.', \JLog::ERROR);
			throw new \RuntimeException('The POSIX extension for PHP is not available.');
		}

		// Call the parent constructor.
		parent::__construct($input, $config, $dispatcher);

		// Set some system limits.
		@set_time_limit($this->config->get('max_execution_time', 0));

		if ($this->config->get('max_memory_limit') !== null)
		{
			ini_set('memory_limit', $this->config->get('max_memory_limit', '256M'));
		}

		// Flush content immediately.
		ob_implicit_flush();
	}

	/**
	 * Method to handle POSIX signals.
	 *
	 * @param   integer  $signal  The received POSIX signal.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 * @see     pcntl_signal()
	 * @throws  \RuntimeException
	 */
	public static function signal($signal)
	{
		// Log all signals sent to the daemon.
		\JLog::add('Received signal: ' . $signal, \JLog::DEBUG);

		// Let's make sure we have an application instance.
		if (!is_subclass_of(static::$instance, 'CliApplication'))
		{
			\JLog::add('Cannot find the application instance.', \JLog::EMERGENCY);
			throw new \RuntimeException('Cannot find the application instance.');
		}

		// Fire the onReceiveSignal event.
		static::$instance->triggerEvent('onReceiveSignal', array($signal));

		switch ($signal)
		{
			case SIGINT:
			case SIGTERM:
				// Handle shutdown tasks
				if (static::$instance->running && static::$instance->isActive())
				{
					static::$instance->shutdown();
				}
				else
				{
					static::$instance->close();
				}
				break;
			case SIGHUP:
				// Handle restart tasks
				if (static::$instance->running && static::$instance->isActive())
				{
					static::$instance->shutdown(true);
				}
				else
				{
					static::$instance->close();
				}
				break;
			case SIGCHLD:
				// A child process has died
				while (static::$instance->pcntlWait($signal, WNOHANG || WUNTRACED) > 0)
				{
					usleep(1000);
				}
				break;
			case SIGCLD:
				while (static::$instance->pcntlWait($signal, WNOHANG) > 0)
				{
					$signal = static::$instance->pcntlChildExitStatus($signal);
				}
				break;
			default:
				break;
		}
	}

	/**
	 * Check to see if the daemon is active.  This does not assume that $this daemon is active, but
	 * only if an instance of the application is active as a daemon.
	 *
	 * @return  boolean  True if daemon is active.
	 *
	 * @since   11.1
	 */
	public function isActive()
	{
		// Get the process id file location for the application.
		$pidFile = $this->config->get('application_pid_file');

		// If the process id file doesn't exist then the daemon is obviously not running.
		if (!is_file($pidFile))
		{
			return false;
		}

		// Read the contents of the process id file as an integer.
		$fp = fopen($pidFile, 'r');
		$pid = fread($fp, filesize($pidFile));
		$pid = (int) $pid;
		fclose($fp);

		// Check to make sure that the process id exists as a positive integer.
		if (!$pid)
		{
			return false;
		}

		// Check to make sure the process is active by pinging it and ensure it responds.
		if (!posix_kill($pid, 0))
		{
			// No response so remove the process id file and log the situation.
			@ unlink($pidFile);
			\JLog::add('The process found based on PID file was unresponsive.', \JLog::WARNING);

			return false;
		}

		return true;
	}

	/**
	 * Load an object or array into the application configuration object.
	 *
	 * @param   mixed  $data  Either an array or object to be loaded into the configuration object.
	 *
	 * @return  DaemonApplication  Instance of $this to allow chaining.
	 *
	 * @since   11.1
	 */
	public function loadConfiguration($data)
	{
		// Execute the parent load method.
		parent::loadConfiguration($data);

		/*
		 * Setup some application metadata options.  This is useful if we ever want to write out startup scripts
		 * or just have some sort of information available to share about things.
		 */

		// The application author name.  This string is used in generating startup scripts and has
		// a maximum of 50 characters.
		$tmp = (string) $this->config->get('author_name', 'Joomla Platform');
		$this->config->set('author_name', (strlen($tmp) > 50) ? substr($tmp, 0, 50) : $tmp);

		// The application author email.  This string is used in generating startup scripts.
		$tmp = (string) $this->config->get('author_email', 'admin@joomla.org');
		$this->config->set('author_email', filter_var($tmp, FILTER_VALIDATE_EMAIL));

		// The application name.  This string is used in generating startup scripts.
		$tmp = (string) $this->config->get('application_name', 'DaemonApplication');
		$this->config->set('application_name', (string) preg_replace('/[^A-Z0-9_-]/i', '', $tmp));

		// The application description.  This string is used in generating startup scripts.
		$tmp = (string) $this->config->get('application_description', 'A generic Joomla Platform application.');
		$this->config->set('application_description', filter_var($tmp, FILTER_SANITIZE_STRING));

		/*
		 * Setup the application path options.  This defines the default executable name, executable directory,
		 * and also the path to the daemon process id file.
		 */

		// The application executable daemon.  This string is used in generating startup scripts.
		$tmp = (string) $this->config->get('application_executable', basename($this->input->executable));
		$this->config->set('application_executable', $tmp);

		// The home directory of the daemon.
		$tmp = (string) $this->config->get('application_directory', dirname($this->input->executable));
		$this->config->set('application_directory', $tmp);

		// The pid file location.  This defaults to a path inside the /tmp directory.
		$name = $this->config->get('application_name');
		$tmp = (string) $this->config->get('application_pid_file', strtolower('/tmp/' . $name . '/' . $name . '.pid'));
		$this->config->set('application_pid_file', $tmp);

		/*
		 * Setup the application identity options.  It is important to remember if the default of 0 is set for
		 * either UID or GID then changing that setting will not be attempted as there is no real way to "change"
		 * the identity of a process from some user to root.
		 */

		// The user id under which to run the daemon.
		$tmp = (int) $this->config->get('application_uid', 0);
		$options = array('options' => array('min_range' => 0, 'max_range' => 65000));
		$this->config->set('application_uid', filter_var($tmp, FILTER_VALIDATE_INT, $options));

		// The group id under which to run the daemon.
		$tmp = (int) $this->config->get('application_gid', 0);
		$options = array('options' => array('min_range' => 0, 'max_range' => 65000));
		$this->config->set('application_gid', filter_var($tmp, FILTER_VALIDATE_INT, $options));

		// Option to kill the daemon if it cannot switch to the chosen identity.
		$tmp = (bool) $this->config->get('application_require_identity', 1);
		$this->config->set('application_require_identity', $tmp);

		/*
		 * Setup the application runtime options.  By default our execution time limit is infinite obviously
		 * because a daemon should be constantly running unless told otherwise.  The default limit for memory
		 * usage is 256M, which admittedly is a little high, but remember it is a "limit" and PHP's memory
		 * management leaves a bit to be desired :-)
		 */

		// The maximum execution time of the application in seconds.  Zero is infinite.
		$tmp = $this->config->get('max_execution_time');

		if ($tmp !== null)
		{
			$this->config->set('max_execution_time', (int) $tmp);
		}

		// The maximum amount of memory the application can use.
		$tmp = $this->config->get('max_memory_limit', '256M');

		if ($tmp !== null)
		{
			$this->config->set('max_memory_limit', (string) $tmp);
		}

		return $this;
	}

	/**
	 * Execute the daemon.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public function execute()
	{
		// Trigger the onBeforeExecute event.
		$this->triggerEvent('onBeforeExecute');

		// Enable basic garbage collection.
		gc_enable();

		\JLog::add('Starting ' . $this->name, \JLog::INFO);

		// Set off the process for becoming a daemon.
		if ($this->daemonize())
		{
			// Declare ticks to start signal monitoring. When you declare ticks, PCNTL will monitor
			// incoming signals after each tick and call the relevant signal handler automatically.
			declare (ticks = 1);

			// Start the main execution loop.
			while (true)
			{
				// Perform basic garbage collection.
				$this->gc();

				// Don't completely overload the CPU.
				usleep(1000);

				// Execute the main application logic.
				$this->doExecute();
			}
		}
		// We were not able to daemonize the application so log the failure and die gracefully.
		else
		{
			\JLog::add('Starting ' . $this->name . ' failed', \JLog::INFO);
		}

		// Trigger the onAfterExecute event.
		$this->triggerEvent('onAfterExecute');
	}

	/**
	 * Restart daemon process.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public function restart()
	{
		\JLog::add('Stopping ' . $this->name, \JLog::INFO);
		$this->shutdown(true);
	}

	/**
	 * Stop daemon process.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	public function stop()
	{
		\JLog::add('Stopping ' . $this->name, \JLog::INFO);
		$this->shutdown();
	}

	/**
	 * Method to change the identity of the daemon process and resources.
	 *
	 * @return  boolean  True if identity successfully changed
	 *
	 * @since   11.1
	 * @see     posix_setuid()
	 */
	protected function changeIdentity()
	{
		// Get the group and user ids to set for the daemon.
		$uid = (int) $this->config->get('application_uid', 0);
		$gid = (int) $this->config->get('application_gid', 0);

		// Get the application process id file path.
		$file = $this->config->get('application_pid_file');

		// Change the user id for the process id file if necessary.
		if ($uid && (fileowner($file) != $uid) && (!@ chown($file, $uid)))
		{
			\JLog::add('Unable to change user ownership of the process id file.', \JLog::ERROR);

			return false;
		}

		// Change the group id for the process id file if necessary.
		if ($gid && (filegroup($file) != $gid) && (!@ chgrp($file, $gid)))
		{
			\JLog::add('Unable to change group ownership of the process id file.', \JLog::ERROR);

			return false;
		}

		// Set the correct home directory for the process.
		if ($uid && ($info = posix_getpwuid($uid)) && is_dir($info['dir']))
		{
			system('export HOME="' . $info['dir'] . '"');
		}

		// Change the user id for the process necessary.
		if ($uid && (posix_getuid($file) != $uid) && (!@ posix_setuid($uid)))
		{
			\JLog::add('Unable to change user ownership of the proccess.', \JLog::ERROR);

			return false;
		}

		// Change the group id for the process necessary.
		if ($gid && (posix_getgid($file) != $gid) && (!@ posix_setgid($gid)))
		{
			\JLog::add('Unable to change group ownership of the proccess.', \JLog::ERROR);

			return false;
		}

		// Get the user and group information based on uid and gid.
		$user = posix_getpwuid($uid);
		$group = posix_getgrgid($gid);

		\JLog::add('Changed daemon identity to ' . $user['name'] . ':' . $group['name'], \JLog::INFO);

		return true;
	}

	/**
	 * Method to put the application into the background.
	 *
	 * @return  boolean
	 *
	 * @since   11.1
	 * @throws  \RuntimeException
	 */
	protected function daemonize()
	{
		// Is there already an active daemon running?
		if ($this->isActive())
		{
			\JLog::add($this->name . ' daemon is still running. Exiting the application.', \JLog::EMERGENCY);

			return false;
		}

		// Reset Process Information
		$this->safeMode = !!@ ini_get('safe_mode');
		$this->processId = 0;
		$this->running = false;

		// Detach process!
		try
		{
			// Check if we should run in the foreground.
			if (!$this->input->get('f'))
			{
				// Detach from the terminal.
				$this->detach();
			}
			else
			{
				// Setup running values.
				$this->exiting = false;
				$this->running = true;

				// Set the process id.
				$this->processId = (int) posix_getpid();
				$this->parentId = $this->processId;
			}
		}
		catch (\RuntimeException $e)
		{
			\JLog::add('Unable to fork.', \JLog::EMERGENCY);

			return false;
		}

		// Verify the process id is valid.
		if ($this->processId < 1)
		{
			\JLog::add('The process id is invalid; the fork failed.', \JLog::EMERGENCY);

			return false;
		}

		// Clear the umask.
		@ umask(0);

		// Write out the process id file for concurrency management.
		if (!$this->writeProcessIdFile())
		{
			\JLog::add('Unable to write the pid file at: ' . $this->config->get('application_pid_file'), \JLog::EMERGENCY);

			return false;
		}

		// Attempt to change the identity of user running the process.
		if (!$this->changeIdentity())
		{
			// If the identity change was required then we need to return false.
			if ($this->config->get('application_require_identity'))
			{
				\JLog::add('Unable to change process owner.', \JLog::CRITICAL);

				return false;
			}
			else
			{
				\JLog::add('Unable to change process owner.', \JLog::WARNING);
			}
		}

		// Setup the signal handlers for the daemon.
		if (!$this->setupSignalHandlers())
		{
			return false;
		}

		// Change the current working directory to the application working directory.
		@ chdir($this->config->get('application_directory'));

		return true;
	}

	/**
	 * This is truly where the magic happens.  This is where we fork the process and kill the parent
	 * process, which is essentially what turns the application into a daemon.
	 *
	 * @return  void
	 *
	 * @since   12.1
	 * @throws  \RuntimeException
	 */
	protected function detach()
	{
		\JLog::add('Detaching the ' . $this->name . ' daemon.', \JLog::DEBUG);

		// Attempt to fork the process.
		$pid = $this->fork();

		// If the pid is positive then we successfully forked, and can close this application.
		if ($pid)
		{
			// Add the log entry for debugging purposes and exit gracefully.
			\JLog::add('Ending ' . $this->name . ' parent process', \JLog::DEBUG);
			$this->close();
		}
		// We are in the forked child process.
		else
		{
			// Setup some protected values.
			$this->exiting = false;
			$this->running = true;

			// Set the parent to self.
			$this->parentId = $this->processId;
		}
	}

	/**
	 * Method to fork the process.
	 *
	 * @return  integer  The child process id to the parent process, zero to the child process.
	 *
	 * @since   11.1
	 * @throws  \RuntimeException
	 */
	protected function fork()
	{
		// Attempt to fork the process.
		$pid = $this->pcntlFork();

		// If the fork failed, throw an exception.
		if ($pid === -1)
		{
			throw new \RuntimeException('The process could not be forked.');
		}
		// Update the process id for the child.
		elseif ($pid === 0)
		{
			$this->processId = (int) posix_getpid();
		}
		// Log the fork in the parent.
		else
		{
			// Log the fork.
			\JLog::add('Process forked ' . $pid, \JLog::DEBUG);
		}

		// Trigger the onFork event.
		$this->postFork();

		return $pid;
	}

	/**
	 * Method to perform basic garbage collection and memory management in the sense of clearing the
	 * stat cache.  We will probably call this method pretty regularly in our main loop.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	protected function gc()
	{
		// Perform generic garbage collection.
		gc_collect_cycles();

		// Clear the stat cache so it doesn't blow up memory.
		clearstatcache();
	}

	/**
	 * Method to attach the DaemonApplication signal handler to the known signals.  Applications
	 * can override these handlers by using the pcntl_signal() function and attaching a different
	 * callback method.
	 *
	 * @return  boolean
	 *
	 * @since   11.1
	 * @see     pcntl_signal()
	 */
	protected function setupSignalHandlers()
	{
		// We add the error suppression for the loop because on some platforms some constants are not defined.
		foreach (self::$signals as $signal)
		{
			// Ignore signals that are not defined.
			if (!defined($signal) || !is_int(constant($signal)) || (constant($signal) === 0))
			{
				// Define the signal to avoid notices.
				\JLog::add('Signal "' . $signal . '" not defined. Defining it as null.', \JLog::DEBUG);
				define($signal, null);

				// Don't listen for signal.
				continue;
			}

			// Attach the signal handler for the signal.
			if (!$this->pcntlSignal(constant($signal), array('DaemonApplication', 'signal')))
			{
				\JLog::add(sprintf('Unable to reroute signal handler: %s', $signal), \JLog::EMERGENCY);

				return false;
			}
		}

		return true;
	}

	/**
	 * Method to shut down the daemon and optionally restart it.
	 *
	 * @param   boolean  $restart  True to restart the daemon on exit.
	 *
	 * @return  void
	 *
	 * @since   11.1
	 */
	protected function shutdown($restart = false)
	{
		// If we are already exiting, chill.
		if ($this->exiting)
		{
			return;
		}
		// If not, now we are.
		else
		{
			$this->exiting = true;
		}

		// If we aren't already daemonized then just kill the application.
		if (!$this->running && !$this->isActive())
		{
			\JLog::add('Process was not daemonized yet, just halting current process', \JLog::INFO);
			$this->close();
		}

		// Only read the pid for the parent file.
		if ($this->parentId == $this->processId)
		{
			// Read the contents of the process id file as an integer.
			$fp = fopen($this->config->get('application_pid_file'), 'r');
			$pid = fread($fp, filesize($this->config->get('application_pid_file')));
			$pid = (int) $pid;
			fclose($fp);

			// Remove the process id file.
			@ unlink($this->config->get('application_pid_file'));

			// If we are supposed to restart the daemon we need to execute the same command.
			if ($restart)
			{
				$this->close(exec(implode(' ', $GLOBALS['argv']) . ' > /dev/null &'));
			}
			// If we are not supposed to restart the daemon let's just kill -9.
			else
			{
				passthru('kill -9 ' . $pid);
				$this->close();
			}
		}
	}

	/**
	 * Method to write the process id file out to disk.
	 *
	 * @return  boolean
	 *
	 * @since   11.1
	 */
	protected function writeProcessIdFile()
	{
		// Verify the process id is valid.
		if ($this->processId < 1)
		{
			\JLog::add('The process id is invalid.', \JLog::EMERGENCY);

			return false;
		}

		// Get the application process id file path.
		$file = $this->config->get('application_pid_file');

		if (empty($file))
		{
			\JLog::add('The process id file path is empty.', \JLog::ERROR);

			return false;
		}

		// Make sure that the folder where we are writing the process id file exists.
		$folder = dirname($file);

		if (!is_dir($folder) && !\JFolder::create($folder))
		{
			\JLog::add('Unable to create directory: ' . $folder, \JLog::ERROR);

			return false;
		}

		// Write the process id file out to disk.
		if (!file_put_contents($file, $this->processId))
		{
			\JLog::add('Unable to write proccess id file: ' . $file, \JLog::ERROR);

			return false;
		}

		// Make sure the permissions for the proccess id file are accurate.
		if (!chmod($file, 0644))
		{
			\JLog::add('Unable to adjust permissions for the proccess id file: ' . $file, \JLog::ERROR);

			return false;
		}

		return true;
	}

	/**
	 * Method to handle post-fork triggering of the onFork event.
	 *
	 * @return  void
	 *
	 * @since   12.1
	 */
	protected function postFork()
	{
		// Trigger the onFork event.
		$this->triggerEvent('onFork');
	}

	/**
	 * Method to return the exit code of a terminated child process.
	 *
	 * @param   integer  $status  The status parameter is the status parameter supplied to a successful call to pcntl_waitpid().
	 *
	 * @return  integer  The child process exit code.
	 *
	 * @see     pcntl_wexitstatus()
	 * @since   11.3
	 */
	protected function pcntlChildExitStatus($status)
	{
		return pcntl_wexitstatus($status);
	}

	/**
	 * Method to return the exit code of a terminated child process.
	 *
	 * @return  integer  On success, the PID of the child process is returned in the parent's thread
	 *                   of execution, and a 0 is returned in the child's thread of execution. On
	 *                   failure, a -1 will be returned in the parent's context, no child process
	 *                   will be created, and a PHP error is raised.
	 *
	 * @see     pcntl_fork()
	 * @since   11.3
	 */
	protected function pcntlFork()
	{
		return pcntl_fork();
	}

	/**
	 * Method to install a signal handler.
	 *
	 * @param   integer   $signal   The signal number.
	 * @param   callable  $handler  The signal handler which may be the name of a user created function,
	 *                              or method, or either of the two global constants SIG_IGN or SIG_DFL.
	 * @param   boolean   $restart  Specifies whether system call restarting should be used when this
	 *                              signal arrives.
	 *
	 * @return  boolean  True on success.
	 *
	 * @see     pcntl_signal()
	 * @since   11.3
	 */
	protected function pcntlSignal($signal, $handler, $restart = true)
	{
		return pcntl_signal($signal, $handler, $restart);
	}

	/**
	 * Method to wait on or return the status of a forked child.
	 *
	 * @param   integer  &$status  Status information.
	 * @param   integer  $options  If wait3 is available on your system (mostly BSD-style systems),
	 *                             you can provide the optional options parameter.
	 *
	 * @return  integer  The process ID of the child which exited, -1 on error or zero if WNOHANG
	 *                   was provided as an option (on wait3-available systems) and no child was available.
	 *
	 * @see     pcntl_wait()
	 * @since   11.3
	 */
	protected function pcntlWait(&$status, $options = 0)
	{
		return pcntl_wait($status, $options);
	}
}