{"id":724,"date":"2015-11-26T08:18:51","date_gmt":"2015-11-26T08:18:51","guid":{"rendered":"http:\/\/haisins.epac.to\/wordpress\/?p=724"},"modified":"2015-11-26T08:18:51","modified_gmt":"2015-11-26T08:18:51","slug":"%ec%8b%9c%ec%8a%a4%ed%85%9c-%ed%98%b8%ec%b6%9csystem-call%ea%b3%bc-%ec%9d%b8%ed%84%b0%eb%9f%bd%ed%8a%b8interrupt-%eb%b9%84%ea%b5%90","status":"publish","type":"post","link":"https:\/\/haisins.synology.me\/wordpress\/?p=724","title":{"rendered":"\uc2dc\uc2a4\ud15c \ud638\ucd9c(system call)\uacfc \uc778\ud130\ub7fd\ud2b8(interrupt) \ube44\uad50"},"content":{"rendered":"

\uc2dc\uc2a4\ud15c \ud638\ucd9c\uc740 \ud504\ub85c\uc138\uc2a4\uc640 \uad00\ub828\ub41c\ub2e4. \ud504\ub85c\uc138\uc2a4\ub294 \uc2dc\uc2a4\ud15c \uc790\uc6d0\uc5d0 \uc811\uadfc\ud560 \uacbd\uc6b0 \ucee4\ub110\uc5d0\uac8c \uc694\uccad\ud558\uae30 \uc704\ud574\uc2dc\uc2a4\ud15c \ud638\ucd9c\uc744 \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n

\uc774\ub54c \uc2dc\uc2a4\ud15c \ud638\ucd9c\uc744 \ucd94\uc801\ud558\uba74 \ud504\ub85c\uc138\uc2a4 \uc9c4\ud589\uc0c1\ud669\uc744 \uc9c0\ucf1c \ubcfc \uc218 \uc788\ub2e4. \uadf8\ub7ec\ub098, \uc2dc\uc2a4\ud15c \ud638\ucd9c\uc740 \ub2e8\uc21c\ud558\uac8c \ucc98\ub9ac\ub418\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n

\ud558\ub098\uc758 \uba85\ub839\uc5b4\ub97c \ud574\uc11d\ud558\uace0 \ucc98\ub9ac\ud558\uc5ec \uacb0\uacfc\ub97c \ucd9c\ub825\ud558\uae30 \uae4c\uc9c0\ub294 \uc218 \ub9ce\uc740 \uc2dc\uc2a4\ud15c \ud638\ucd9c\uacfc \ud568\uc218\ub4e4\uc758 \uc2e4\ud589\uacfc\uc815\uc744 \uac70\uce58\uac8c \ub41c\ub2e4.<\/p>\n

\uc774\ub97c \ucd94\uc801\ud558\uba74 \ud504\ub85c\uc138\uc2a4\uc758 \uc9c4\ud589 \uc0c1\ud669\uc744 \ud30c\uc545 \ud560 \uc218 \uc788\ub2e4. \ud504\ub85c\uc138\uc2a4\ub294 \uc11c\ube44\uc2a4\uc5d0 \uc751\ub2f5\ud558\uae30 \uc704\ud574 \uc2dc\uc2a4\ud15c \ud638\ucd9c(system call)\uc744 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n

\ubd88\ud544\uc694\ud55c \ubcf4\ud1b5 \uc2dc\uc2a4\ud15c \ud638\ucd9c\uc740 \ub9ce\uc740 CPU \ubd80\ud558\ub97c \uc720\ubc1c\ud55c\ub2e4. \ub9cc\uc57d, CPU\uc5d0 \ub9ce\uc740 \ubd80\ud558\uac00 \uac78\ub9b0\ub2e4\uba74 \uc2dc\uc2a4\ud15c \ud638\ucd9c \uc790\uccb4\ub294 \uc815\uc0c1\uc801\uc774\uc5c8\uc73c\ub098,<\/p>\n

\ud638\ucd9c \ucc98\ub9ac\uac00 \ube44\uc815\uc0c1\uc801\uc774\ub77c\uace0 \ubcfc \uc218 \uc788\ub2e4. \uc2dc\uc2a4\ud15c \ud638\ucd9c\uc740 \ub2e8\uc21c\ud55c \ucf54\ub4dc\uc5d0 \uc9c0\ub098\uc9c0 \uc54a\uc9c0\ub9cc \uc694\uccad\uc744 \uc2e4\ud589 \ud558\uac70\ub098 \uc694\uccad\ub41c \ub0b4\uc6a9\uc774 \uc2e4\ud589\ub420 \uacbd\uc6b0\uc5d0\ub294 \ucee4\ub110\uc5d0<\/p>\n

\uc785\ub825\ub428\uc73c\ub85c\uc368 CPU \uc0ac\uc6a9\uc5d0 \ubd80\ud558\ub97c \uc8fc\uac8c \ub41c\ub2e4. \ubcf4\ud1b5 CPU\uc758 \ubd80\ud558\ub294 \uc8fc\ub85c \uc791\uc740 I\/O \ucc98\ub9ac\ub97c \ud55c\uaebc\ubc88\uc5d0 \ub9ce\uc774 \ud558\ub294 \uacbd\uc6b0\uc640 \uc785\ub825<\/p>\n

(\ub514\uc2a4\ud06c\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc77d\uc5b4\uc624\uae30)\uc744 \ud558\ub294 \uacbd\uc6b0\uc5d0 \ub9ce\uc740 \uc18c\ube44\ub97c \ud55c\ub2e4. \uc778\ud130\ub7fd\ud2b8\ub780 \ud558\ub098\uc758 \ud504\ub85c\uadf8\ub7a8 \uc2e4\ud589\uc744 \ud558\ub4dc\uc6e8\uc5b4\uc801\uc778 \ubc29\ubc95\uc73c\ub85c<\/p>\n

\uc911\ub2e8\ud558\uace0 \ud6c4\uc5d0 \uc7ac\uac1c\ud560 \uc218 \uc788\ub3c4\ub85d \ub2e4\ub978 \ud504\ub85c\uadf8\ub7a8\uc758 \uc2e4\ud589\uc73c\ub85c \uc62e\uae30\ub294 \uac83\uc774\ub2e4. \uc5b4\ub5a4 \ud504\ub85c\uadf8\ub7a8\uc758 \uc2e4\ud589 \uc911\uc5d0 \uc678\ubd80\ub85c\ubd80\ud130\uc758 \uba87 \uac00\uc9c0 \uc0ac\uc0c1(event)\uc5d0<\/p>\n

\uc758\ud558\uc5ec \uadf8 \ud504\ub85c\uadf8\ub7a8\uc758 \uc2e4\ud589\uc774 \uc77c\uc2dc \uc815\uc9c0\ub418\uc5b4(Suspended), \uadf8 \uc0ac\uc0c1\uc5d0 \ub300\uc751\ud55c \ub2e4\ub978 \ud504\ub85c\uadf8\ub7a8\uc774 \uba3c\uc800 \uc2e4\ud589\ub418\ub294 \uac83\uc744 \uc778\ud130\ub7fd\ud2b8\ub77c \ud55c\ub2e4.<\/p>\n

\uc778\ud130\ub7fd\ud2b8 \ub418\uc5b4 \uc2e4\ud589\ub41c \ud504\ub85c\uadf8\ub7a8\uc774 \uc644\ub8cc\ub418\uba74 \uc6d0\ub798 \ud504\ub85c\uadf8\ub7a8\uc758 \uc2e4\ud589\uc774 \uc911\ub2e8\uc810\uc73c\ub85c\ubd80\ud130 \uc7ac\uc7ac\ub41c\ub2e4. \uc774 \uc778\ud130\ub7fd\ud2b8\ub294 \ud558\ub098\uc758 \uba85\ub839\uc758 \uc2e4\ud589\ub9c8\ub2e4<\/p>\n

\uc77c\uc5b4\ub0a0 \uac00\ub2a5\uc131\uc774 \uc788\ub2e4. \uc778\ud130\ub7fd\ud2b8\ub97c \uc77c\uc73c\ud0a4\ub294 \uc778\ud130\ub7fd\ud2b8 \uc0ac\uc0c1(Interrupt event) \ub610\ub294 \uc778\ud130\ub7fd\ud2b8\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\ub294 \uc8fc\ub41c \uc6d0\uc778\uc73c\ub85c\ub294 \ucef4\ud4e8\ud130\uc758<\/p>\n

\ub0b4\ubd80 \uad6c\uc131 \ubd80\ud488\uc758 \uace0\uc7a5, \uc815\uc758\ub418\uc5b4 \uc788\uc9c0 \uc54a\ub294 \uba85\ub839\uc758 \ubc1c\uc0dd, \uc790\ub9ac \ub118\uce68, \uae30\uc5b5 \ubcf4\ud638 \uc704\ubc18, \uc804\uc6d0 \ubc0f \uc9c0\uc9c4\uc5d0 \uc758\ud55c \uc774\uc0c1, \uc7a5\uce58\uc758 \uc624\ub3d9\uc791, \uc785\ucd9c\ub825<\/p>\n

\uc7a5\uce58\uc758 \ub3d9\uc791 \uc644\ub8cc, SVC(Super Visor call) \uba85\ub839 \ub4f1\uc774 \uc788\ub2e4. CPU\uc758 \uc5f0\uc0b0 \uc18d\ub3c4\ub294 \uc785\ucd9c\ub825 \uc7a5\uce58\uc758 \uc18d\ub3c4\uc5d0 \ube44\ud558\uc5ec \ub2e8\uacc4\uc801\uc73c\ub85c \uace0\uc18d\uc758<\/p>\n

\uc18d\ub3c4\ucc28\ub97c \uc5ed\uc73c\ub85c \uc774\uc6a9\ud558\uace0, \uc5b4\ub5a4 \ud504\ub85c\uadf8\ub7a8\uc758 \uc785\ucd9c\ub825 \ub3d9\uc791\uc758 \uc644\ub8cc\ub97c \uc720\uc9c0\ud558\ub294 \uc77c \uc5c6\uc774 \uadf8 \uc0ac\uc774\uc5d0 \ub2e4\ub978 \ud504\ub85c\uadf8\ub7a8\uc744 \uc2e4\ud589\ud558\uac70\ub098 \uac01\uac01\uc5d0<\/p>\n

\uc6b0\uc120 \uc21c\uc704(priority)\ub97c \ubd99\uc5ec\uc11c \ubcf5\uc218 \ud504\ub85c\uadf8\ub7a8\uc744 \ubcd1\ud589 \ucc98\ub9ac\ud558\uac8c \ud568\uc73c\ub85c\uc368 \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c \uc804\uccb4\ub97c \uc720\ud6a8\ud558\uac8c \uc791\ub3d9\ud558\uae30 \uc704\ud558\uc5ec \uace0\uc548\ub41c \uc791\uc5c5\uc758 \ud558\ub098\uac00 \uc778\ud130\ub7fd\ud2b8\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

\uc2dc\uc2a4\ud15c \ud638\ucd9c\uc740 \ud504\ub85c\uc138\uc2a4\uc640 \uad00\ub828\ub41c\ub2e4. \ud504\ub85c\uc138\uc2a4\ub294 \uc2dc\uc2a4\ud15c \uc790\uc6d0\uc5d0 \uc811\uadfc\ud560 \uacbd\uc6b0 \ucee4\ub110\uc5d0\uac8c \uc694\uccad\ud558\uae30 \uc704\ud574\uc2dc\uc2a4\ud15c \ud638\ucd9c\uc744 \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc774\ub2e4. \uc774\ub54c \uc2dc\uc2a4\ud15c \ud638\ucd9c\uc744 \ucd94\uc801\ud558\uba74 \ud504\ub85c\uc138\uc2a4 \uc9c4\ud589\uc0c1\ud669\uc744 \uc9c0\ucf1c \ubcfc \uc218 \uc788\ub2e4. \uadf8\ub7ec\ub098, \uc2dc\uc2a4\ud15c \ud638\ucd9c\uc740 \ub2e8\uc21c\ud558\uac8c \ucc98\ub9ac\ub418\uc9c0 \uc54a\ub294\ub2e4. \ud558\ub098\uc758 \uba85\ub839\uc5b4\ub97c \ud574\uc11d\ud558\uace0 \ucc98\ub9ac\ud558\uc5ec \uacb0\uacfc\ub97c \ucd9c\ub825\ud558\uae30 \uae4c\uc9c0\ub294 \uc218 \ub9ce\uc740 \uc2dc\uc2a4\ud15c \ud638\ucd9c\uacfc \ud568\uc218\ub4e4\uc758 \uc2e4\ud589\uacfc\uc815\uc744 \uac70\uce58\uac8c \ub41c\ub2e4. \uc774\ub97c \ucd94\uc801\ud558\uba74 \ud504\ub85c\uc138\uc2a4\uc758 \uc9c4\ud589 \uc0c1\ud669\uc744 \ud30c\uc545 \ud560 \uc218 \uc788\ub2e4. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"categories":[405],"tags":[419,416],"jetpack_featured_media_url":"","amp_enabled":true,"_links":{"self":[{"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/724"}],"collection":[{"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=724"}],"version-history":[{"count":0,"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/724\/revisions"}],"wp:attachment":[{"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=724"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}