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“Railsな人” のための低レイヤへの招待 / introduction-to-low-le...
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KONDO Uchio
May 21, 2021
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“Railsな人” のための低レイヤへの招待 / introduction-to-low-level-mruby
銀座Rails#34
https://ginza-rails.connpass.com/event/211013/
KONDO Uchio
May 21, 2021
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Transcript
l3BJMTͳਓzͷͨΊͷϨΠϠͷট 6DIJP,POEP(.01FQBCP *OD ۜ࠲3BJMT ͦΕɺNSVCZͰ
γχΞɾϓϦϯγύϧΤϯδχΞ ۙ౻ Ӊஐ࿕ / @udzura https://blog.udzura.jp/ Uchio Kondo ٕज़෦ ٕज़ج൫νʔϜ
@ GMOϖύϘ / Ԭ ΤϯδχΞΧϑΣʢԬࢢẂנจԽձؗʣ αϙʔλʔ Duolingo Diamond Leaguer 💎 #Ruby #Rust #mruby #Containers #eBPF #CRIU #Seccomp #RubyKaigi #CloudNativeDays #Zumba #γϨϯ #FitBoxing2
͜͏͍͏ຊΛॻ͖·ͨ͠
ϨΠϠ γεςϜϓϩάϥϛϯά
γεςϜϓϩάϥϛϯάͱ w Α͘ݟ͔͚Δͷ࣍ͷΑ͏ͳ༰Λࢦͯ͠ʮγεςϜϓϩάϥϛϯάʯͱ͍͏߹Ͱ͢ɻ w $ݴޠʹΑΔϓϩάϥϛϯά w ΞηϯϒϦݴޠΛҙࣝͨ͠$ݴޠʹΑΔϓϩάϥϛϯά w ݴޠॲཧܥʢΠϯλϓϦλΛؚΉʣɺಛʹωΠςΟϒίʔυΛੜ͢ΔίϯύΠϥͷ։ൃ w
04ࣗͷϓϩάϥϛϯά w 04ͷఏڙ͢ΔػೳΛͬͨϓϩάϥϛϯά w ຊ࿈ࡌͰɺҰ൪࠷ޙͷʮ04ͷఏڙ͢ΔػೳΛͬͨϓϩάϥϛϯάʯΛγεςϜϓϩάϥ ϛϯάͷఆٛͱͯ͠Λ͢͢Ί·͢ɻ (PͳΒΘ͔ΔγεςϜϓϩάϥϛϯάୈճΑΓ
04ͷػೳͱ wϑΝΠϧҰͭಡΉɺλʔϛφϧʹҰͭจࣈΛදࣔ͢ΔɺϓϩηεΛ࡞ ΔɺͦͷதͰ04ͷػೳ͕ΘΕ͍ͯΔɻ w͔͠͠ɺීஈɺΈͳ͞Μ͕͍͍ײ͡ʹϓϩάϥϜΛಈ͔ͤΔΑ͏ɺ ࠷ݶͷͱ͜ΖҎ֎ӅΕ͍ͯΔͱݴ͑Δɻ w04ͷػೳͷதʹɺηΩϡϦςΟɺαʔόͷՄ༻ੑϓϩάϥϜͷ ύϑΥʔϚϯεʹܨ͕Δߴͳͷ͋Δɻ
γεςϜίʔϧ w04ͷػೳΛ͏ͨΊͷΠϯλϑΣʔε w$16ʹɺϢʔβϞʔυͱΧʔωϧϞʔυ͕͋Δɻ wΧʔωϧϞʔυͰɺॏཁͳ$16໋ྩΛ࣮ߦͰ͖ͯ͠·͏ͷͰɺ Ϣʔβ͕ීஈ͔Βͦ͏͍͏໋ྩΛݺͼग़ͤΔͱةݥɻ wͳͷͰɺϞʔυΛ͚ɺී௨ͷϓϩάϥϜ͕ةݥͳૢ࡞ΛͰ͖ͳ͍Α ͏ɺඞཁͳ෦ͷΈ04͕ΠϯλϑΣʔεΛ༻ҙ͍ͯ͠Δ ৄࡉʮΈ͔ΜຊʯลΓΛಡΉͱ͍͍Ͱ͢
$16ͷϞʔυͱγεςϜίʔϧ ϓϩηε ϢʔβϞʔυ $16 ΧʔωϧϞʔυ ϢʔβϞʔυ γεςϜίʔϧ ॏཁͳ$16ػೳΛͬͯ 04ͷ͓ࣄΛ͢Δ ੍ޚΛ͢
Χʔωϧͷ͓ࣄͱɺϢʔβͷ͓ࣄ͔Ε͍ͯΔɺ͙Β͍ͷཧղͰ͍ͬͨΜ0,
ΞϓϦέʔγϣϯΛࢧ͑ΔϨΠϠΛΔ wϢʔβϥϯυͷϓϩάϥϜɺڀۃతʹʮϢʔβϥϯυͰͷܭࢉʯͱ ʮγεςϜίʔϧͷݺͼग़͠ʯͷΈΛ͍ͯ͠Δͱߟ͑ΒΕΔ wΓ͍ͨ͜ͱΛ࣮ݱ͢Δ্Ͱॏཁͳɺ04ͷੈքͰͷࣄΛΖ͏
ʹཱͭͷʁ
ʮϨΠϠʯͷΞϓϩʔνΛͯ͠ΈΑ͏ wϨΠϠʮछͷਆثʯ wͦͷதͰɺstrace(1)ͱperf(1)ͷ͍ํΛσϞ͠·͢ wʢࣗମਓతͳγνϡΤʔγϣϯͰ͢ʣ strace(1) gdb(1) perf(1) valgrind(1)
TUSBDF
strace(1) wରͷϓϩάϥϜ͕ൃߦ͢Δ γεςϜίʔϧΛࢹ͠ɺ Կ͕Ͳ͏ݺͼग़͞Ε͔ͨ දࣔ͢Δπʔϧ w ΦϓγϣϯʹΑΓɺݺͼग़͠ͷ౷ܭදࣔͰ͖Δʢࠓճෆ༻ʣ ͍͕ͭ͜ϚείοτΩϟϥʁ
wҎԼͷΑ͏ͳ4JOBUSBͷΞϓϦέʔγϣϯΛ্ཱͪ͛ͨɻ
ଓ͖ w͜ͷΞϓϦέʔγϣϯΛಈ͔͍ͯ͠ΔڥͰɺ wlocalhost:4567ΞΫηεͰ͖Δ w127.0.0.1:4567ΞΫηεͰ͖ͳ͍ w͜ΕͲ͏ͯ͠ʁ ·͋ɺ͙͢צ͖ͮͦ͏ͳͰ͕͢
TUSBDFͰோΊͯΈΑ͏ •strace -e network ${command}
TUSBDFͰோΊͯΈΑ͏ •strace -e network ${command} ໌Β͔ʹෆࣗવͳCJOE ͷൃߦ͕͋Δ "'@*/&5
DVSMͷଆ wMPDBMIPTU*1Wɺʢવʣ*1WͰͭͳ͗ʹߦ͘
ղܾฤ wMPDBMIPTUͷղܾ͕ม͔ɻؔͦ͠͏ͳϑΝΠϧFUDIPTUT ⁉ ⁉ ⁉ ⁉ ୭ͩΑ͜ΜͳઃఆೖΕͨͭ
IPTUTΛ͢ͱͪΌΜͱ͜͏ͳΔɻ
QFSG
perf(1) w-JOVYͷͨΊͷߴػೳύϑΥʔϚϯεੳπʔϧɻ w$16ͷΧϯλ౷ܭใɺ ֤ؔͷΦʔόϔουɺ ͳͲͳͲΛूܭදࣔ
w࣍ͷ3BJMTΞϓϦέʔγϣϯͷIFMMPJOEFYͷΞΫηε͕ົʹ͍ɻ ιʔείʔυΛݟͳ͍ͰݪҼΛਪଌ͠Α͏
ݱࡏͷύϑΥʔϚϯε w͜Ε͔֬ʹ
QFSGͰੳ͠Α͏ 7.ͷผͷλʔϛφϧͰ QFSGSFDPSEΛΞλον ҰԠ ϕϯνϚʔΫ ผͷϗετ ࠓճϗετϚγϯ ͚ͩͲ ͔ΒΒͤΔ
݁Ռ
݁Ռͷߟ ($͕ΕͯΔײ ($͕ΕͯΔͷͰɺ ڊେͳΦϒδΣΫτΛ ܁Γฦ͠࡞ࣺ͍ͬͯͯͯΔʁ ͔͙Β͍૾Ͱ͖Δ
݁Ռͷߟ +40/ KTPOHFN ͷ ͕ؔΘΓͱ্Ґʹ͍Δ ͔͠HFOFSBUFͰͳ͘ QBSTFͷํͳͷͰɺ ڊେͳઃఆ+40/Λύʔε ͯ͠Δͱ͔ʁ
ࢀߟίʔϧάϥϑ w໊લ͕ղܾͰ͖ͳ্͍͕ؔʹ͍Δ͚ͲɺࣅͨΑ͏ͳੳʹͳΓͦ͏
ղܾฤ wϦΫΤετຖʹڊେ+40/ઃఆΛύʔε͠ɺίϯτϩʔϥͷΠϯελ ϯεมʹΞαΠϯ͍ͯͨ͠ɻ
ίʔυमਖ਼ޙͷύϑΥʔϚϯε wҰԠΫϥεมʹΩϟογϡ͢ΔΑ͏ʹͨ͠Β͜͏͍͏ײ͡
ίʔυमਖ਼ޙͷQFSG wʢҰճΞΫηε͔ͯ͠Βͷܭଌʣ
͜͜·Ͱͷ·ͱΊ wγεςϜͷ͕ࣝ͋Δ͜ͱͷϝϦοτͷҰͭͱͯ͠ɺ γεςϜͷσόοάπʔϧ͕͑ΔΑ͏ʹͳΔ͜ͱ͕ڍ͛ΒΕͦ͏ɻ wݴޠϛυϧΣΞΛΘͳ͍ීวతͳΓํͰσόοάύϑΥʔ ϚϯεվળΛ࣮ࢪͰ͖Δɻ·ͨɺ͍͠Λݟ͚ͭΒΕΔɻ w֤ݴޠݻ༗ͷσόοΨʔʢ3VCZͳΒQSZ CZFCVH TUBDLQSPGʣΛ ͏ͱ͖ʹɺγεςϜͷ͕ࣝ͋Δํ͕ղ૾ߴ͑͘Δͣ
γεςϜΛֶͿ
γεςϜͷ͜ͱΛֶͿۙಓ wલड़ͨ͠Α͏ͳπʔϧɺγεςϜͷ͕ࣝ͋Δఔͳ͍ͱ͍͜ͳ ͤͳ͍ɻͦͷࣝͲ͏͚ͭΔʁ wࢲͨͪϓϩάϥϚͳͷͰɺγεςϜʹؔ͢ΔϓϩάϥϛϯάΛ͢Δ ͱɺରυϝΠϯʹ͍ͭͯͷཧղ͕ਂ·ΔͷͰʁ ˠγεςϜϓϩάϥϛϯάΛ࢝ΊΑ͏ʂ
γεςϜϓϩάϥϛϯάͷͨΊͷಓ۩ w$ݴޠʁ
લఏ$ݴޠͷࣝʹཱͭ wγεςϜͷ͜ͱΛΔʹઌड़ͨ͠04ͷΠϯλϑΣʔεͰ͋Δ γεςϜίʔϧΛཧղ͢Δͱ͜Ζ͔Β࢝ΊΔͷ͕ྑ͍ʢࢲݟʣ wγεςϜίʔϧΛͲ͏ݺͼग़͔͢ɺ$ݴޠͷؔͷఆٛͰཧղ͢Δ ͷ͕Ұ൪खͬऔΓૣ͘ɺௐ͍͢ɻ wͬͯΈΔͷ$ݴޠ͕Ұ൪ૣ͍ɻ
':*$ݴޠΛ֮͑Δࡍͷίπ w࣍ͷΑ͏ͳ؍Ͱ֮͑Δͱ͍͍͔ wجຊจ๏ wϙΠϯλͷجૅ wΦϒδΣΫτ͕ϝϞϦͷͲ͜ʹஔ͞ΕΔ͔ ώʔϓελοΫ wMJCDΛ͡Ίͱͨ͠جຊతͳϥΠϒϥϦͷࣝ wίϯύΠϧϦϯΫͷखॱɺ࡞๏
ͦΕͰ$ݴޠ͍͠ w$ݴޠͰϝϞϦͷҙ͕ࣝߴ·Δͷ͍͍͕ɺਓྨ͕ਖ਼͘͠ϝϞϦΛѻ ͏ͷ͍͠ɻ w$8&5PQ ·ͩ·ͩෆదͳ ϝϞϦͷѻ͍ʹؔ͢Δ ੬ऑੑ͕ଟ͍ IUUQTOFXTNZOBWJKQBSUJDMF
$ݴޠͷ͠͞ wϝϞϦʹؔ͢ΔόάΛճආ͢Δͷ͕ͱʹ͔͍͘͠ wϝϞϦϦʔΫɺμϯάϦϯάϙΠϯλɺ0P# wจࣈྻɺྻɾϚοϓͳͲجຊతͳσʔλߏΛѻ͏ͷ໘ wγεςϜίʔϧΛ୯ҰͰݺͿͷ͍͍͕ɺ࣮ࡍʹෳͷγεςϜ ίʔϧͰσʔλΛΓऔΓ͢Δͷ͕ී௨ɻ wશͯͷσʔλՃΛ$ݴޠͰΔͷେม
ͦ͜Ͱ
ɹɹɹɹͬͯʁ wΈࠐΈͷͨΊͷ3VCZ࣮ɻ wҰ෦ͷϥΠϒϥϦͷΈΛؚΉόΠφϦΛ࡞Ͱ͖ͨΓ͢Δ w$ݴޠͱͷӡ༻ੑͷྑ͔͞ΒɺϛυϧΣΞαʔόͷΈࠐΈ༻ ్ʹ׆༻Ͱ͖Δ wγεςϜϓϩάϥϛϯάͱͯͬͪ͜͠ͷಛ͕ੜ͖Δ
NSVCZͱ.3* w͋͘·Ͱผͷ࣮ɺతͷҟͳΔݴޠ͕ͩɺֶश͍͢͠Α͏ʹ ֩ͱͳΔ༷ʢ*403VCZ૬ʣڞ௨ɻ࠷৽ͷػೳॱ࣍ϙʔτ ͞Ε͍ͯΔɻ ʮ8FCͰ͑ΔNSVCZγεςϜϓϩάϥϛϯάೖʯQ
NSVCZͷڧΈ wจࣈྻૢ࡞ɺجຊతͳσʔλߏ3VCZʹͤΒΕΔ wϝϞϦͦΕͰ·͍͕ͩ͠ɺ($ͱɺϝϞϦ্ͷΦϒδΣΫτͷ ͷ֬อղ์Λ($ʹͤΔΈ͕༻ҙ͞Ε͍ͯΔ w͓࡞๏ʹैͬͯ֬อղ์͢ΕɺϝϞϦϦʔΫͷ৺͕ݮΔ w$"1*͕.3*ΑΓཧ͞Εɺ$ͷੈքͱ3VCZͷੈքͷߦ͖དྷָ͕ʹ ͳ͍ͬͯΔɻ
':*3VCZͰ$CJOEJOHॻ͚Δ͚Ͳ wͱ͍͏ΑΓɺͦͦ3VCZɺ6/*9ͰͷγεςϜίʔϧΛ͡Ίͱ ֤ͨ͠छػೳΛखܰʹ͏ͨΊʹ։ൃ͞Εͨʢཁग़య ʣ wͨͩɺࠓͷ3VCZͰͷ$CJOEJOH͔ͳΓಛघͳ໘Λఆ wNSVCZɺ$ݴޠͱͷ࿈ܞੑΛୈҰʹߟ͍͑ͯΔͷͰएׯॻ͖͘͢ ͳ͍ͬͯΔʢ͜ΕࢲݟͰ͕͢ʣɻ
ॻ͍ͯΈ·͠ΐ͏
؆୯ͳྫ wϗετ໊ɺϚγϯͷใΛऔಘ͢Δuname(1)ίϚϯυ w͜ͷ෦ͰΘΕ͍ͯΔγεςϜίʔϧΛੳ͠ɺಉ݁͡ՌΛग़͢ί ϚϯυΛ࡞ͬͯΈΔ
NSVCZͷϓϩδΣΫτΛͭ͘Δ wNSCHFNNSVCZʹ͓͚ΔHFNͷϓϩδΣΫτΛ࡞ͬͯΈΔ wNSCHFNUFNQMBUFίϚϯυͰੜɻҎԼ-JOVYͰ $ apt install gperf bison build-essential $
brew tap mrbgems/mrbgem-template # using linuxbrew $ brew install mrbgem-template $ mrbgem-template -B myuname -m 3.0.0 mruby-myuname
ϓϩδΣΫτ͕Ͱ͖ͨ
VOBNF ԿΛ͍ͯ͠Δʁ wTUSBDFͰ͍͔͚ͯΈΔ wVOBNF ͱ͍͏ରԠ͢ΔγεςϜίʔϧΛݺΜͰ͍Δ
VOBNF ͷ͍ํ wNBOίϚϯυͰ֬ೝͰ͖Δʢ͠ɺݕࡧͯ͠0,ʣ wηΫγϣϯ
$ͷίʔυΛฤू wࣗಈੜ͞Εͨ$ϑΝΠϧΛฤूɺVOBNF Λ͏ؔΛॻ͘ ΓɺҾͷܕʹ
ϝιουʹ͢Δ wࣗಈੜ͞ΕͨॳظԽ༻ؔ෦ʹهड़ɻ$3VCZʹࣅͯΔ
Ϗϧυͯ֬͠ೝ wNJSCͱ͍͏ɺJSCతͳͷ͕͋Δ wͳͷͰNSVCZͷϝιουʹͰ͖Ε͋ͱ͍ͭͷ3VCZ ϗετ໊ΛऔಘͰ͖ͨʂ
͜ͷޙ wNBOͷఆٛΛݟͯਅ໘ʹϝϯό͝ͱʹϝιουΛ࡞Γɺ දࣔ͢Δ͚ͩ wͳ͓ɺNSVCZͰίϚϯυϥΠϯπʔϧ࡞Ε·͢ wϫϯόΠφϦͰ͢ʢελςΟοΫϦϯΫ·ͰͪΐͬͱΉ͍ͣʣ wৄࡉNSVCZͳΜͪΌΒೖͱ͍͏ຊʹɻ
͞ΒͳΔ NSVCZγεϓϩͷੈք
3BJMTΛηΩϡΞʹ͢Δ w੬ऑੑ͕͋Δ3BJMTΞϓϦέʔγϣϯ͕͋Δɺͱ͢Δɻ wྫ͑ wNLOPE γεςϜίʔϧΛNLOPE ܦ༝Ͱൃߦ͞ΕΔͱ͢Δ wNLOPE
σόΠεϑΝΠϧΛ࡞͢Δ wFH/dev/zero, /dev/null, /dev/urandom
3$& ͷྫ wQJOHͷ݁ՌΛग़ྗ͢Δ ͕ͣɻ 3$&3FNPUF$PEF&YFDVUJPO ԕִૢ࡞ FH8FCΞΫηε Ͱࣗ༝ʹίϚϯυΛൃߦͤ͞ΒΕΔ੬ऑੑͷҰൠతͳݺশ
NLOPEͰ߈ܸͰ͖ͦ͏ͳྫ wྫઃఆϑΝΠϧͳͲΛىಈ࣌ͳͲͰಡΈࠐΜͰ͍ΔΑ͏ͳ߹ wͦͷઃఆϑΝΠϧΛNLOPEʹΑΓɺແݶʹσʔλΛऔΓग़ͤΔ ΩϟϥΫλσόΠε FH/dev/urandom ʹมߋ͞ΕΔͱɺಡΈࠐ Έ͕ऴΘΒͣʹ%P4߈ཱܸ͕͢Δɻ wNLOPE γεςϜίʔϧΛࣗ༝ʹൃߦͰ͖Δͱةݥ
Ծʹ੬ऑੑ͕͋ͬͨͱͯ͠ w3$&ͷΑ͏ͳಛڃͷ੬ऑੑ͕͋ͬͨ߹Ͱɺ ࠷ޙͷࡆͱͯ͠ةݥͳγεςϜίʔϧͷ࣮ߦΛ͙Έͳ͍͔ʁ wˠҰͭͷҊͱͯ͠ɺTFDDPNQΛར༻͢Δ
TFDDPNQͱ wγεςϜίʔϧݺͼग़͠ΛϑΟϧλϦϯά͢ΔΈ wྫ͑ɺಛఆͷγεςϜίʔϧͷΈڐՄ BMMPXMJTU ɺ ٯʹېࢭ EFOZMJTU ɺͱ͍ͬͨઃఆΛద༻Ͱ͖Δ w˞࣮%PDLFSͳͲɺҰൠʹΘΕΔίϯςφٕज़Ͱ෦Ͱطʹ ར༻͞Ε͍ͯΔͷͰɺࠓճ7.্ͷ͍ͪϓϩηεͷద༻ྫɻ
NSVCZTFDDPNQ wNSVCZ͔ΒTFDDPNQ γεςϜίʔϧʢਖ਼֬ʹMJCTFDDPNQΛ ܦ༝ͯ͠ʣʹΞΫηε͢ΔͨΊͷNSCHFN w!VE[VSB͕ੲίϯςφΛࣗ࡞͢Δͱ͖ʹҰॹʹ࡞ͬͨ IUUQTHJUIVCDPNIBDPOJXBNSVCZTFDDPNQ
NSVCZTFDDPNQ w͜͏͍͏%4-ͰϑΟϧλϦϯάઃఆ͕Ͱ͖Δʂ
ىಈ༻ͷNSVCZεΫϦϓτΛॻ͘ wTFDDPNQͷίϯςΫετΛϩʔυ͢ΔˠSBJMTʹFYFDWF ͢Δ wNSVCZTFDDPNQΛΈࠐΜͩNSVCZόΠφϦΛ༻ҙ͠ɺ ΞϓϦέʔγϣϯىಈ࣌ʹɺ͜ͷεΫϦϓτΛ͢
࣮ࡍʹ߈ܸͯ͠ΈΔ wNLOPE ͷݺͼग़͠ΛΤϥʔʹͰ͖ͨʂ 3BJMTͷϩάʹ͜Ε͕ग़ྗ͞ΕΔɻ
ิઆ໌ wͪΖΜଞʹةݥͳγεςϜίʔϧ͋ΔͷͰɺBMMPXMJTUϕʔεͰ ϦετΛӡ༻͢Δͷ͕ཧɻͦΕ݁ߏେมɻ w͋ͱͦͦɺSPPUͰಈ͔ͪ͠Όμϝʢ͚ͩͲɺಛݖঢ͕֨Ͱ͖ Δ߈ܸͩͬͯ͋Γ͏ΔͷͰʣ
NSVCZΛγεϓϩͰ͏ྑ͞ w͜͜·ͰΛɺৼΓฦΔͱ wγεςϜίʔϧͷݺͼग़͠نϞϊʹΑ͍͕ͬͯ͠ɺ%4-Λ ࡞ͯ͠ϥοϓ͠ɺӡ༻Λ͘͢͠Ͱ͖Δ wϫϯόΠφϦͷίϚϯυʹݻΊΒΕΔ ʢݱࡏͷ$3VCZͰ͍͠ʣ wϫϯόΠφϦͷπʔϧʹɺ͞Βʹ֎෦ͷઃఆ%4-ΛಡΈࠐ·ͤΔɺ ͱ͍͏͍ํՄೳɻDGNPE@NSVCZOHY@NSVCZ
ଟ͕࣌ؒͳͯ͘ݴ͑ͳ͍τϐοΫ
NSVCZͷιϑτΣΞΈࠐΈ wNSVCZͷԠ༻ྫͱͯ͠ɺιϑτΣΞʹΈࠐΉྫΛհ͠·͢ wNSVCZ͕Έࠐ·Εͨϛυϧͷද wNPE@NSVCZ"QBDIF)5514FSWFS NSVCZ wOHY@NSVCZOHJOY NSVCZ wIPIUUQରԠͷߴ8FCαʔόͷઃఆΛNSVCZͰॻ͚Δ
ιϑτΣΞʹΈࠐΉͱ w͍Ζ͍ΖͳϛυϧΣΞʹɺ$ݴޠʹΑΓϓϥάΠϯ֦ுػೳΛ ॻͨ͘ΊͷΠϯλϑΣʔε͕͋Δ wͦͷ$ݴޠͷΠϯλϑΣʔεʹର͠ɺNSVCZͰCJOEJOHΛॻ͚ɺ NSVCZͷεΫϦϓτ͔ΒͦͷϛυϧΣΞΛ੍ޚͰ͖Δ wγεςϜϓϩάϥϛϯάɺ ͋Δҙຯ04ʹର͠NSVCZΛ ΈࠐΜͰ͍Δɺͱݴ͑Δ
·ͱΊ
NSVCZͰΓࠐΜͰ͍͘ੈք wࠓ·Ͱ$ݴޠͷྗ͕ڧ͔ͬͨൣғͰɺ3VCZΛ׆༻Ͱ͖ΔΑ͏ʹ wγεςϜϓϩάϥϛϯά wϛυϧΣΞͷ֦ு wকདྷɺ-JOVYΧʔωϧͷ֦ுͳΜ͔
3VCZΛ͑Δൣғͷ͕Γ w3BJMTͷΑ͏ͳ8FCͷੈք͔Βɺ Πϯϑϥʹ͓͚ΔϓϩάϥϛϯάͷੈքͰ ׆༻Ͱ͖ΔΑ͏ʹͳΔͷͰ
γεςϜϓϩάϥϛϯά໘ന͍ wʮී௨ͷͭΒͷԼΛߦ͚ʯ IUUQYDDOFUCMPHBSDIJWFTIUNMɹ
ʮ#JOBSZ)BDLTʯॻධCZͩ͞͞͞Μ wόΠφϦΞϯ͕ܦݧ͍ͯ͠ΔͰ͋Ζ͏Ϩϕϧϓϩάϥϛϯά͕࣋ ͭʮυΩυΩײʯɺॻ੶ͰֶͿͷͰͳ͍ͷ͔͠Ε·ͤΜͷ ͰɺͦͷΑ͏ͳॻ੶͋Γ͑ͳ͍ͷ͔͠Ε·ͤΜɻͨͩɺຊॻΛಡ ΜͰɺͳΜ͔ͩΑ͘Θ͔Βͳ͍͚ͲʮυΩυΩײʯΛײ͡Δͱ͍͏ਓ ɺ͢ͰʹόΠφϦΞϯͳͷ͔͠Ε·ͤΜɻ ʮ3VCZJTU.BHB[JOFʯ߸ॻ੶հʰ#JOBSZ)BDLTʱ IUUQTNBHB[JOFSVCZJTUOFUBSUJDMFT#PPL#JOBSZ)BDLTIUNM
ϨΠϠͰ 3VCZΛܾΊ·͠ΐ͏
<13> wNSVCZۀք།ҰॻళͰฒͿۀॻ੶ͰɺγεϓϩͷҎԼͷΑ͏ͳτ ϐοΫΛهड़͍ͯ͠·͢ w$ϥΠϒϥϦͷ͍ํ w"QBDIF֦ு αʔόࠐ ͷॻ͖ํ w$ͷηΩϡϦςΟ όοϑΝΦʔόʔϥϯ
w֤छσόοάπʔϧ छͷਆث ͷղઆ ࣮ྫʴͰ݁ߏஸೡʹͬͯ·͢