php-fpm がリクエスト処理する仕組みを追う / Tracing-How-php-fpm-Handles-Requests

2025-03-23 PHPerKaigi 2025

Transcript

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    ग़ྗྫ accept(9<socket:[103273]>, {sa_family=AF_INET, sin_port=htons(46404)... read(4<socket:[248969]>, "\1\1\0\1\0\10\0\0", 8) = 8 read(4<socket:[248969]>, "\0\1\0\0\0\0\0\0", 8) = 8 read(4<socket:[248969]>, "\1\4\0\1\2G\1\0", 8) = 8 read(4<socket:[248969]>, "\17\16SCRIPT_FILENAME/app/ index.php\f\4QUERY_STRINGid=1\16\4REQUEST_METHODPOST... read(4<socket:[248969]>, "\1\5\0\1\0\10\0\0", 8) = 8 read(4<socket:[248969]>, "name=foo", 8) = 8 write(4<socket:[248969]>, "\1\6\0\1\0s\5\0X-Powered-By: PHP/8.4.5- dev\r\nContent-type: text/html; charset=UTF-8\r\n\r\n{\"id\":\"1\",\"name\": \"foo\",\"message\":\"name=foo\"}\0\0\0\0\0\1\3\0\1\0\10\0\0\0\0\0\0\0\10\0\0", 144) = 144
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    ग़ྗྫ accept(9<socket:[103273]>, {sa_family=AF_INET, sin_port=htons(46404)... read(4<socket:[248969]>, "\1\1\0\1\0\10\0\0", 8) = 8 read(4<socket:[248969]>, "\0\1\0\0\0\0\0\0", 8) = 8 read(4<socket:[248969]>, "\1\4\0\1\2G\1\0", 8) = 8 read(4<socket:[248969]>, "\17\16SCRIPT_FILENAME/app/ index.php\f\4QUERY_STRINGid=1\16\4REQUEST_METHODPOST... read(4<socket:[248969]>, "\1\5\0\1\0\10\0\0", 8) = 8 read(4<socket:[248969]>, "name=foo", 8) = 8 write(4<socket:[248969]>, "\1\6\0\1\0s\5\0X-Powered-By: PHP/8.4.5- dev\r\nContent-type: text/html; charset=UTF-8\r\n\r\n{\"id\":\"1\",\"name\": \"foo\",\"message\":\"name=foo\"}\0\0\0\0\0\1\3\0\1\0\10\0\0\0\0\0\0\0\10\0\0", 144) = 144 OHJOY
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    !TIJOY ⚠
    ຊࢿྉͷίʔυදݱ w આ໌ͷͨΊʹίʔυΛ͔ͳΓ؆ུԽ͍ͯ͠·͢
    ؾʹͳΔํ͸
    QIQTSD
    Λࢀর͍ͯͩ͘͠͞
    w ϋογϡςʔϒϧදه
    IBTI@UBCMF<,&:>
    $
    ݴޠͰ͜ͷΑ͏ͳهड़͸Ͱ͖ͳ͍
41. D
    
    .BTBTIJ
    4IJOCBSB
    !TIJOY ϦΫΤετॲཧϧʔϓ w ϦΫΤετ઀ଓ
    w ϦΫΤετ։࢝ॲཧ
    w 1)1
    ίʔυ࣮ߦ
    w ϦΫΤετऴྃॲཧ
    w ϦΫΤετ઀ଓʹ໭Δʣ
42. while (EXPECTED(fcgi_accept_request(request) >= 0)) { init_request_info(); php_request_startup(); php_execute_script(&file_handle); php_request_shutdown((void *) 0); /* end of fastcgi loop */ } GQNGQNGQN@NBJOD
    ϦΫΤετॲཧϧʔϓʢͬ͘͟ΓΠϝʔδʣ
43. while (EXPECTED(fcgi_accept_request(request) >= 0)) { init_request_info(); php_request_startup(); php_execute_script(&file_handle); php_request_shutdown((void *) 0); /* end of fastcgi loop */ } GQNGQNGQN@NBJOD
    ϦΫΤετॲཧϧʔϓʢͬ͘͟ΓΠϝʔδʣ ઀ଓʢ௨ৗ͸͜ͷதͰ଴ͪʣ
44. while (EXPECTED(fcgi_accept_request(request) >= 0)) { init_request_info(); php_request_startup(); php_execute_script(&file_handle); php_request_shutdown((void *) 0); /* end of fastcgi loop */ } GQNGQNGQN@NBJOD
    ϦΫΤετॲཧϧʔϓʢͬ͘͟ΓΠϝʔδʣ '$(*@1"3".4
    ड৴
45. while (EXPECTED(fcgi_accept_request(request) >= 0)) { init_request_info(); php_request_startup(); php_execute_script(&file_handle); php_request_shutdown((void *) 0); /* end of fastcgi loop */ } GQNGQNGQN@NBJOD
    ϦΫΤετॲཧϧʔϓʢͬ͘͟ΓΠϝʔδʣ ϦΫΤετ։࢝ॲཧ
    '$(*@45%*/
    ड৴
46. while (EXPECTED(fcgi_accept_request(request) >= 0)) { init_request_info(); php_request_startup(); php_execute_script(&file_handle); php_request_shutdown((void *) 0); /* end of fastcgi loop */ } GQNGQNGQN@NBJOD
    ϦΫΤετॲཧϧʔϓʢͬ͘͟ΓΠϝʔδʣ 1)1
    ϑΝΠϧ࣮ߦ
47. while (EXPECTED(fcgi_accept_request(request) >= 0)) { init_request_info(); php_request_startup(); php_execute_script(&file_handle); php_request_shutdown((void *) 0); /* end of fastcgi loop */ } GQNGQNGQN@NBJOD
    ϦΫΤετॲཧϧʔϓʢͬ͘͟ΓΠϝʔδʣ '$(*@45%065
    ૹ৴
    ϦΫΤετऴྃॲཧ
48. D
    
    .BTBTIJ
    4IJOCBSB
    !TIJOY EFNP
    HEC
    σόοά࣮ߦ w '$(*@1"3".4ʢϦΫΤετʣड৴
    4$3*15@'*-&/".&
    1)1
    εΫϦϓτϑΝΠϧύεऔಘ
    26&3:@453*/(
    @(&5
    ʹ஋֨ೲ
    w 1)1
    ϑΝΠϧ࣮ߦ
    FDIP
    w '$(*@45%065ʢϨεϙϯεʣ
    ૹ৴
    GDHJ@XSJUF
    
    GDHJ@ fl VTI
49. ઀ଓ଴ͪ NBJOGBTUDHJD
    GDHJ@BDDFQU@SFRVFTU GDHJ@SFRVFTU
    SFR int listen_socket = req->listen_socket; sa_t sa; socklen_t len = sizeof(sa); req->fd = accept(listen_socket, (struct sockaddr *)&sa, &len); BDDFQU
    Ͱ઀ଓ଴ͪ
    ʢϦΫΤετ͕ແ͚Ε͹͜͜Ͱ଴ͭʣ
    ઀ଓͨ͠ΒࣝผࢠΛฦ͢
50. if (safe_read(req, &hdr, sizeof(fcgi_header)) != sizeof(fcgi_header) || hdr.version < FCGI_VERSION_1) { return 0; } len = (hdr.contentLengthB1 << 8) | hdr.contentLengthB0; padding = hdr.paddingLength; '$(*@1"3".4
    ϔομड৴ NBJOGBTUDHJD
    GDHJ@SFBE@SFRVFTU GDHJ@SFRVFTU
    SFR
51. if (safe_read(req, &hdr, sizeof(fcgi_header)) != sizeof(fcgi_header) || hdr.version < FCGI_VERSION_1) { return 0; } len = (hdr.contentLengthB1 << 8) | hdr.contentLengthB0; padding = hdr.paddingLength; '$(*@1"3".4
    ϔομड৴ NBJOGBTUDHJD
    GDHJ@SFBE@SFRVFTU GDHJ@SFRVFTU
    SFR TBGF@SFBE
    Ͱड৴σʔλΛ
    IES
    ʹಡࠐ
    IES
    ͸
    GDHJ@IFBEFS
    ߏ଄ମ
52. if (safe_read(req, &hdr, sizeof(fcgi_header)) != sizeof(fcgi_header) || hdr.version < FCGI_VERSION_1) { return 0; } len = (hdr.contentLengthB1 << 8) | hdr.contentLengthB0; padding = hdr.paddingLength; '$(*@1"3".4
    ϔομड৴ NBJOGBTUDHJD
    GDHJ@SFBE@SFRVFTU GDHJ@SFRVFTU
    SFR σʔλαΠζͱ
    'BTU$(*
    όʔδϣϯΛνΣοΫ
53. if (safe_read(req, &hdr, sizeof(fcgi_header)) != sizeof(fcgi_header) || hdr.version < FCGI_VERSION_1) { return 0; } len = (hdr.contentLengthB1 << 8) | hdr.contentLengthB0; padding = hdr.paddingLength; '$(*@1"3".4
    ϔομड৴ NBJOGBTUDHJD
    GDHJ@SFBE@SFRVFTU GDHJ@SFRVFTU
    SFR ίϯςϯπ௕ͱύσΟϯά௕Λܭࢉ
54. while (hdr.type == FCGI_PARAMS && len > 0) { if (len + padding > FCGI_MAX_LENGTH) { return 0; } if (safe_read(req, buf, len+padding) != len+padding) { req->keep = 0; return 0; } if (!fcgi_get_params(req, buf, buf+len)) { req->keep = 0; return 0; } // ϔομಡΈࠐΈʢུʣ } '$(*@1"3".4
    ίϯςϯπड৴ NBJOGBTUDHJD
    GDHJ@SFBE@SFRVFTU GDHJ@SFRVFTU
    SFR
55. while (hdr.type == FCGI_PARAMS && len > 0) { if (len + padding > FCGI_MAX_LENGTH) { return 0; } if (safe_read(req, buf, len+padding) != len+padding) { req->keep = 0; return 0; } if (!fcgi_get_params(req, buf, buf+len)) { req->keep = 0; return 0; } // ϔομಡΈࠐΈʢུʣ } '$(*@1"3".4
    ίϯςϯπड৴ NBJOGBTUDHJD
    GDHJ@SFBE@SFRVFTU GDHJ@SFRVFTU
    SFR ϨίʔυλΠϓ൑ఆ
56. while (hdr.type == FCGI_PARAMS && len > 0) { if (len + padding > FCGI_MAX_LENGTH) { return 0; } if (safe_read(req, buf, len+padding) != len+padding) { req->keep = 0; return 0; } if (!fcgi_get_params(req, buf, buf+len)) { req->keep = 0; return 0; } // ϔομಡΈࠐΈʢུʣ } '$(*@1"3".4
    ίϯςϯπड৴ NBJOGBTUDHJD
    GDHJ@SFBE@SFRVFTU GDHJ@SFRVFTU
    SFR CVG
    ʹίϯςϯπ
    
    ύσΟϯάಡࠐ
57. while (hdr.type == FCGI_PARAMS && len > 0) { if (len + padding > FCGI_MAX_LENGTH) { return 0; } if (safe_read(req, buf, len+padding) != len+padding) { req->keep = 0; return 0; } if (!fcgi_get_params(req, buf, buf+len)) { req->keep = 0; return 0; } // ϔομಡΈࠐΈʢུʣ } '$(*@1"3".4
    ίϯςϯπड৴ NBJOGBTUDHJD
    GDHJ@SFBE@SFRVFTU GDHJ@SFRVFTU
    SFR ಡࠐσʔλΛύʔεͯ͠
    SFRFOWʢϋογϡςʔϒϧʣ
    ʹ֨ೲ
58. D
    
    .BTBTIJ
    4IJOCBSB
    !TIJOY '$(*@1"3".4
    
    ϦΫΤετ৘ใߏ଄ମ \17\16SCRIPT_FILENAME/app/index.php\f\4QUERY_STRINGid=1 [ 'SCRIPT_FILENAME' => '/app/index.php', // PHP ϑΝΠϧύε 'QUERY_STRING' => 'id=1', // $_GET ] w '$(*@1"3".4 w SFRFOWʢϋογϡςʔϒϧٙࣅදݱʣ
59. D
    
    .BTBTIJ
    4IJOCBSB
    !TIJOY ϦΫΤετ։࢝ॲཧ w ࣮ߦ
    1)1
    ϑΝΠϧύεͷܾఆ
    w 1)1
    ίʔυ࣮ߦʹඞཁͳ஋Λऔಘ
    εʔύʔάϩʔόϧม਺ @(&5
    @4&37&3
    ͳͲ ΁ͷ֨ೲ
    w
    ࣮ߦ؀ڥͷηοτΞοϓ
60. ࣮ߦ
    1)1
    ϑΝΠϧύεͷܾఆ GQNGQNNBJOD
    JOJU@SFRVFTU@JOGP fcgi_request *request = (fcgi_request*) SG(server_context); char *env_script_filename = FCGI_GETENV(request, "SCRIPT_FILENAME"); // (snip) char *script_path_translated = env_script_filename; // (snip) if (is_valid_path(script_path_translated)) { SG(request_info).path_translated = estrdup(script_path_translated); }
61. ࣮ߦ
    1)1
    ϑΝΠϧύεͷܾఆ GQNGQNNBJOD
    JOJU@SFRVFTU@JOGP fcgi_request *request = (fcgi_request*) SG(server_context); char *env_script_filename = FCGI_GETENV(request, "SCRIPT_FILENAME"); // (snip) char *script_path_translated = env_script_filename; // (snip) if (is_valid_path(script_path_translated)) { SG(request_info).path_translated = estrdup(script_path_translated); } 4$3*15@'*-&/".&
    Λ࣮ߦϑΝΠϧީิͱͯ֨͠ೲ
62. ࣮ߦ
    1)1
    ϑΝΠϧύεͷܾఆ GQNGQNNBJOD
    JOJU@SFRVFTU@JOGP fcgi_request *request = (fcgi_request*) SG(server_context); char *env_script_filename = FCGI_GETENV(request, "SCRIPT_FILENAME"); // (snip) char *script_path_translated = env_script_filename; // (snip) if (is_valid_path(script_path_translated)) { SG(request_info).path_translated = estrdup(script_path_translated); } ࣮ߦϑΝΠϧύεީิΛݕূͯ͠
    WBMJE
    ͳΒ֨ೲ
63. D
    
    .BTBTIJ
    4IJOCBSB
    !TIJOY εʔύʔάϩʔόϧม਺΁ͷ֨ೲ w εʔύʔάϩʔόϧม਺͸
    &( TZNCPM@UBCMF
    ʹ͋Δ
    &( TZNCPM@UBCMF
    
    FYFDVUFS@HMPCBMTTZNCPM@UBCMF
    w &( TZNCPM@UBCMF
    ͸
    1)1
    άϩʔόϧม਺ςʔϒϧ
    ϋογϡςʔϒϧʢΩʔ
    ม਺໊ɺ஋
    ม਺஋ʣ
    w @(&5
    ͷ࣮ମ͸
    &( TZNCPM@UBCMF <@(&5>
64. &( TZNCPM@UBCMF
    ྫ 
    QSJOU@IU
    FYFDVUPS@HMPCBMTTZNCPM@UBCMF
    
    )BTI  <YBBBBCCF>
    \
    
    
    <>
    @(&5
    
    <Y ffff BCFF>
    SFGDPVOU
    BSSBZ
    
    
    <>
    @1045
    
    <Y ff ff BCFF>
    SFGDPVOU
    BSSBZ
    
    
    <>
    @$00,*&
    
    <Y ff ff BCFF>
    SFGDPVOU
    BSSBZ
    
    
    <>
    @'*-&4
    
    <Y ff ff BCFF>
    SFGDPVOU
    BSSBZ
    
    
    <>
    JE
    
    <Y ffff BCFF>
    JOEJSFDU
    <Y ff ff BCF>
    SFGDPVOU
    TUSJOH
    
    ^
65. &( TZNCPM@UBCMF <@(&5>
    ྫ 
    QSJOU[W
    Y ff ff BCFF
    <Y ff ff BCFF>
    SFGDPVOU
    BSSBZ
    
    
    
    
    )BTI  <Y ffff BCFB>
    \
    
    
    
    
    <>
    JE
    
    <Y ff ff BCFCD>
    SFGDPVOU
    TUSJOH
    
    ^
66. if (PG(variables_order) && (strchr(PG(variables_order),'G') || strchr(PG(variables_order),'g'))) { sapi_module.treat_data(PARSE_GET, NULL, NULL); } else { zval_ptr_dtor_nogc(&PG(http_globals)[TRACK_VARS_GET]); array_init(&PG(http_globals)[TRACK_VARS_GET]); } zend_hash_update(&EG(symbol_table), name , &PG(http_globals)[TRACK_VARS_GET]); 26&3:@453*/(
    Λύʔεͯ͠
    @(&5
    ʹ֨ೲ NBJOQIQ@WBSJBCMFTD
    QIQ@BVUP@HMPCBMT@DSFBUF@HFU [FOE@TUSJOH
    OBNF
67. if (PG(variables_order) && (strchr(PG(variables_order),'G') || strchr(PG(variables_order),'g'))) { sapi_module.treat_data(PARSE_GET, NULL, NULL); } else { zval_ptr_dtor_nogc(&PG(http_globals)[TRACK_VARS_GET]); array_init(&PG(http_globals)[TRACK_VARS_GET]); } zend_hash_update(&EG(symbol_table), name , &PG(http_globals)[TRACK_VARS_GET]); 26&3:@453*/(
    Λύʔεͯ͠
    @(&5
    ʹ֨ೲ NBJOQIQ@WBSJBCMFTD
    QIQ@BVUP@HMPCBMT@DSFBUF@HFU [FOE@TUSJOH
    OBNF QIQJOJ
    ͷ
    WBSJBCMFT@PSEFS
    νΣοΫ
    (
    PS
    H
    ͕͋Ε͹ɺUSFBU@EBUB
    Λ࣮ߦ
68. if (PG(variables_order) && (strchr(PG(variables_order),'G') || strchr(PG(variables_order),'g'))) { sapi_module.treat_data(PARSE_GET, NULL, NULL); } else { zval_ptr_dtor_nogc(&PG(http_globals)[TRACK_VARS_GET]); array_init(&PG(http_globals)[TRACK_VARS_GET]); } zend_hash_update(&EG(symbol_table), name , &PG(http_globals)[TRACK_VARS_GET]); 26&3:@453*/(
    Λύʔεͯ͠
    @(&5
    ʹ֨ೲ NBJOQIQ@WBSJBCMFTD
    QIQ@BVUP@HMPCBMT@DSFBUF@HFU [FOE@TUSJOH
    OBNF 26&3:@453*/(
    Λύʔεͯ͠ϋογϡςʔϒϧʹ֨ೲ
69. if (PG(variables_order) && (strchr(PG(variables_order),'G') || strchr(PG(variables_order),'g'))) { sapi_module.treat_data(PARSE_GET, NULL, NULL); } else { zval_ptr_dtor_nogc(&PG(http_globals)[TRACK_VARS_GET]); array_init(&PG(http_globals)[TRACK_VARS_GET]); } zend_hash_update(&EG(symbol_table), name , &PG(http_globals)[TRACK_VARS_GET]); 26&3:@453*/(
    Λύʔεͯ͠
    @(&5
    ʹ֨ೲ NBJOQIQ@WBSJBCMFTD
    QIQ@BVUP@HMPCBMT@DSFBUF@HFU [FOE@TUSJOH
    OBNF
    ੜ੒ͨ͠ϋογϡςʔϒϧΛ&( TZNCPM@UBCMF <@(&5>
    
    @(&5ʹηοτ
70. ࢀߟ
    εʔύʔάϩʔόϧม਺ॲཧϋϯυϥ NBJOQIQ@WBSJBCMFTD
    QIQ@TUBSUVQ@BVUP@HMPCBMT zend_register_auto_global(zend_string_init_interned("_GET", sizeof("_GET")-1, 1), 0, php_auto_globals_create_get); zend_register_auto_global(zend_string_init_interned("_POST", sizeof("_POST")-1, 1), 0, php_auto_globals_create_post); zend_register_auto_global(zend_string_init_interned("_COOKIE", sizeof("_COOKIE")-1, 1), 0, php_auto_globals_create_cookie); // (snip) εʔύʔάϩʔόϧม਺͝ͱʹϋϯυϥ͕͋Δ
71. D
    
    .BTBTIJ
    4IJOCBSB
    !TIJOY 1)1
    ϑΝΠϧ࣮ߦ w ϦΫΤετͰࢦఆ͞Εͨ
    1)1
    ϑΝΠϧΛ࣮ߦ
    w 1)1
    ίʔυΛίϯύΠϧɺΦϖίʔυ࣮ߦ
72. 1)1
    ίʔυͷ࣮ߦ ;FOE[FOED
    [FOE@FYFDVUF@TDSJQU zend_op_array *op_array = zend_compile_file(file_handle, type); if (file_handle->opened_path) { zend_hash_add_empty_element(&EG(included_files), file_handle->opened_path); } zend_result ret = SUCCESS; if (op_array) { zend_execute(op_array, retval);
73. 1)1
    ίʔυͷ࣮ߦ ;FOE[FOED
    [FOE@FYFDVUF@TDSJQU zend_op_array *op_array = zend_compile_file(file_handle, type); if (file_handle->opened_path) { zend_hash_add_empty_element(&EG(included_files), file_handle->opened_path); } zend_result ret = SUCCESS; if (op_array) { zend_execute(op_array, retval); 1)1
    ϑΝΠϧΛίϯύΠϧ
    ੜ੒͞ΕͨΦϖίʔυྻΛฦ͢
74. 1)1
    ίʔυͷ࣮ߦ ;FOE[FOED
    [FOE@FYFDVUF@TDSJQU zend_op_array *op_array = zend_compile_file(file_handle, type); if (file_handle->opened_path) { zend_hash_add_empty_element(&EG(included_files), file_handle->opened_path); } zend_result ret = SUCCESS; if (op_array) { zend_execute(op_array, retval); JODMVEFE@ fi MFT
    ʹύεΛ௥Ճ
    HFU@JODMVEFE@ fi MFT
    Ͱฦ͢ͷ͸͜ͷ஋
75. 1)1
    ίʔυͷ࣮ߦ ;FOE[FOED
    [FOE@FYFDVUF@TDSJQU zend_op_array *op_array = zend_compile_file(file_handle, type); if (file_handle->opened_path) { zend_hash_add_empty_element(&EG(included_files), file_handle->opened_path); } zend_result ret = SUCCESS; if (op_array) { zend_execute(op_array, retval); ੜ੒ͨ͠ΦϖίʔυΛ࣮ߦ
76. D
    
    .BTBTIJ
    4IJOCBSB
    !TIJOY 1)1
    ίʔυͷग़ྗ w FDIP
    ͳͲͷग़ྗ͸όοϑΝʹه࿥
    όοϑΝΛ௒͑ͦ͏ͳ৔߹͸ૹ৴͢Δ
    w '$(*@45%065
    Ϩίʔυͱͯ͠όοϑΝʹ֨ೲ
    w ϦΫΤετऴྃॲཧͰ
    OHJOY
    ʹૹ৴
    
77. fcgi_request *request = (fcgi_request*) SG(server_context); ret = fcgi_write(request, FCGI_STDOUT, str, str_length); FDIP
    ͳͲͷग़ྗ GQNGQNGQN@NBJOD
    TBQJ@DHJCJO@TJOHMF@XSJUF DPOTU
    DIBS
    TUS
    VJOU@U
    TUS@MFOHUI '$(*@45%065
    ϨίʔυΛੜ੒ͯ͠ɺ
    ϦΫΤετߏ଄ମόοϑΝʹه࿥ Ҿ਺
    TUS
    
    ग़ྗ஋
78. όοϑΝྫ >>> p req->out_buf $5 = "\001\006\000\001\000d\004\000X-Powered-By: PHP/8.4.5- dev\r\nContent-type: text/html; charset=UTF-8\r\n\r\n{\"id\": \"1\",\"message\":\"Hello!\"}\000\000\000\000 '$(*@45%065
    ϨίʔυܗࣜͰόοϑΝʹه࿥
    ʢϔομɺίϯςϯπɺύσΟϯάʣ
79. όοϑΝྫ >>> p req->out_buf $5 = "\001\006\000\001\000d\004\000X-Powered-By: PHP/8.4.5- dev\r\nContent-type: text/html; charset=UTF-8\r\n\r\n{\"id\": \"1\",\"message\":\"Hello!\"}\000\000\000\000 '$(*@45%065
    ϨίʔυܗࣜͰόοϑΝʹه࿥
    ʢϔομɺίϯςϯπɺύσΟϯάʣ
80. D
    
    .BTBTIJ
    4IJOCBSB
    !TIJOY ϦΫΤετऴྃॲཧ w όοϑΝΛ
    'BTU$(*
    Ϩεϙϯεͱͯ͠ૹ৴
    '$(*@&/%@3&26&45
    Λ߹Θͤͯૹ৴
    w ϦΫΤετ࣮ߦ؀ڥͷΫϦʔϯΞοϓ
81. if (end) { // (snip) fcgi_make_header(&rec->hdr, FCGI_END_REQUEST, req->id, sizeof(fcgi_end_request)); // (snip) } if (safe_write(req, req->out_buf, len) != len) { req->keep = 0; req->out_pos = req->out_buf; return 0; } όοϑΝͷ಺༰Λૹ৴ NBJOGBTUDHJD
    GDHJ@GMVTI GDHJ@SFRVFTU
    SFR
    JOU
    FOE
82. if (end) { // (snip) fcgi_make_header(&rec->hdr, FCGI_END_REQUEST, req->id, sizeof(fcgi_end_request)); // (snip) } if (safe_write(req, req->out_buf, len) != len) { req->keep = 0; req->out_pos = req->out_buf; return 0; } όοϑΝͷ಺༰Λૹ৴ NBJOGBTUDHJD
    GDHJ@GMVTI GDHJ@SFRVFTU
    SFR
    JOU
    FOE ࠷ޙͷݺͼग़͠ʢϦΫΤετऴྃॲཧ࣌ʣͳΒɺ '$(*@&/%@3&26&45
    Λ௥Ճ
83. if (end) { // (snip) fcgi_make_header(&rec->hdr, FCGI_END_REQUEST, req->id, sizeof(fcgi_end_request)); // (snip) } if (safe_write(req, req->out_buf, len) != len) { req->keep = 0; req->out_pos = req->out_buf; return 0; } όοϑΝͷ಺༰Λૹ৴ NBJOGBTUDHJD
    GDHJ@GMVTI GDHJ@SFRVFTU
    SFR
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84. D
    
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85. D
    
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    4IJOCBSB
    !TIJOY TIJOYHECQIQ w QIQTSD
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86. D
    
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    4IJOCBSB
    !TIJOY QIQGQN
    ϦΫΤετॲཧΛσόοΨͰ௥͏ # php-src ΛϏϧυ $ make # Ϗϧυͨ͠ php-fpm ىಈ $ make up # php-fpm ϫʔΧʔϓϩηεʹΞλον $ make gdb-php-fpm-worker gdb> b fcgi_read_request # ϒϨʔΫϙΠϯτઃఆ gdb> c # ॲཧ࠶։
87. D
    
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    4IJOCBSB
    !TIJOY QIQGQN
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88. D
    
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    4IJOCBSB
    !TIJOY ओͳ
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89. D
    
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    4IJOCBSB
    !TIJOY ओͳ
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90. D
    
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    4IJOCBSB
    !TIJOY ·ͱΊ w QIQGQN
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91. D
    
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