{"id":360,"date":"2024-07-08T05:24:57","date_gmt":"2024-07-08T05:24:57","guid":{"rendered":"https:\/\/the.2days.kr\/?p=360"},"modified":"2024-07-08T05:24:57","modified_gmt":"2024-07-08T05:24:57","slug":"%ec%bb%b4%ed%93%a8%ed%84%b0-%ec%9a%b4%ec%98%81-%ec%b2%b4%ec%a0%9c-%ed%94%84%eb%a1%9c%ec%84%b8%ec%8a%a4-%ea%b4%80%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/the.2days.kr\/?p=360","title":{"rendered":"\ucef4\ud4e8\ud130 \uc6b4\uc601 \uccb4\uc81c \ud504\ub85c\uc138\uc2a4 \uad00\ub9ac"},"content":{"rendered":"
\n

\n
\n
\n<\/span>
\n<\/figure>\n<\/p>\n

\n
\n \ud504\ub85c\uc138\uc2a4 \uad00\ub9ac
\n <\/b>\n<\/p>\n

\n \ucd08\uae30 \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c\uc740 \ud55c \ubc88\uc5d0 \ud558\ub098\uc758 \ud504\ub85c\uadf8\ub7a8\ub9cc \uc218\ud589\ud558\ub294 \ub2e8\uc77c \ud504\ub85c\uadf8\ub798\ubc0d \uc2dc\uc2a4\ud15c\uc73c\ub85c, \ud558\ub098\uc758 \ud504\ub85c\uadf8\ub7a8\uc774 \ubaa8\ub4e0 \uc2dc\uc2a4\ud15c \uc790\uc6d0\uc744 \uc0ac\uc6a9\ud588\uc73c\ub098 \uc624\ub298\ub0a0 \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c\uc740 \ub2e4\uc218\uc758 \ud504\ub85c\uadf8\ub7a8\uc744 \uc8fc\uae30\uc5b5\uc7a5\uce58\uc5d0 \uc801\uc7ac\ud558\uc5ec \ubcd1\ud589 \uc218\ud589\ud558\uae30 \ub54c\ubb38\uc5d0 \uc5ec\ub7ec \uac1c\uc758 \ud504\ub85c\uadf8\ub7a8\uc774 \uc2dc\uc2a4\ud15c \uc790\uc6d0\uc744 \uacf5\uc720\ud569\ub2c8\ub2e4. \uae30\uc220\uc801 \ubc1c\uc804\uc5d0 \ub530\ub77c \uac1c\ubcc4 \ud504\ub85c\uadf8\ub7a8\uc744 \uc81c\uc5b4\ud560 \ud544\uc694\uac00 \ubc1c\ud589\ud588\uace0, \ud504\ub85c\uc138\uc2a4(Process) \uac1c\ub150\uc774 \ub4f1\uc7a5\ud558\uae30 \uc2dc\uc791\ud588\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n

\n
\n \ud504\ub85c\uc138\uc2a4\uc758 \uac1c\ub150
\n <\/b>\n<\/p>\n

\n \ud504\ub85c\uc138\uc2a4\ub294 1960\ub144\ub300 \uc911\ubc18 \uba40\ud2f1\uc2a4(Multics) \uc6b4\uc601 \uccb4\uc81c\uc5d0\uc11c \ucc98\uc74c \uc0ac\uc6a9\ub418\uc5c8\uc73c\uba70, IBM \uc6b4\uc601 \uccb4\uc81c\uc5d0\uc11c\ub294 \ud14c\uc2a4\ud06c(Task)\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4. \ud504\ub85c\uc138\uc2a4\uc758 \uc815\uc758\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc2e4\ud589 \uc911\uc778 \ud504\ub85c\uadf8\ub7a8\uc774\ub77c\ub294 \uac1c\ub150\uc73c\ub85c \uac00\uc7a5 \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.\n <\/p>\n

\n

\n
\n \ud504\ub85c\uc138\uc2a4\uc758 \uc0c1\ud0dc
\n <\/b>\n<\/p>\n

\n \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c \ub0b4\uc5d0 \uc874\uc7ac\ud558\ub294 \ud504\ub85c\uc138\uc2a4\ub294 \uc0dd\uc131 \ud6c4 \uc885\ub8cc\ub420 \ub54c\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc870\uac74\uc5d0 \uc758\ud574 \uc5ec\ub7ec \uac00\uc9c0 \uc0c1\ud0dc\ub85c \ubc14\ub01d\ub2c8\ub2e4.
\n
\n \ud504\ub85c\uc138\uc2a4\uc758 \uc0c1\ud0dc \uc804\uc774\ub3c4\ub97c \uac04\ub2e8\ud558\uac8c \uc694\uc57d\ud558\uba74 \ucd08\uae30 – \uc900\ube44 – \uc2e4\ud589 \uc911 \ud639\uc740 \ub300\uae30 – \uc885\ub8cc\ub85c \ub098\ub204\uc5b4\uc9d1\ub2c8\ub2e4.\n <\/p>\n

\n
\n \ucd08\uae30(New State)
\n <\/b>
\n : \ud504\ub85c\uadf8\ub7a8\uc774 \ud65c\uc131\ud654 \ud504\ub85c\uc138\uc2a4\ub85c \ubcc0\ud658\ub41c \uc0c1\ud0dc\uc785\ub2c8\ub2e4.
\n
\n
\n \uc900\ube44(Ready State)
\n <\/b>
\n : \ud504\ub85c\uc138\uc2a4\uac00 CPU\ub97c \ud560\ub2f9\ubc1b\uae30 \uc704\ud574 \uc900\ube44 \ud050(Ready Queue)\uc5d0\uc11c \uae30\ub2e4\ub9ac\ub294 \uc0c1\ud0dc\uc785\ub2c8\ub2e4. CPU \uc2a4\ucf00\uc904\ub7ec\ub294 \uc900\ube44 \uc0c1\ud0dc\uc758 \ud504\ub85c\uc138\uc2a4 \uc911 \ud558\ub098\ub97c \uc120\ud0dd\ud558\uc5ec CPU\ub97c \ud560\ub2f9\ud558\ub294\ub370 \uc774\ub97c \ub514\uc2a4\ud328\uce58(Dispatch)\ub77c\uace0 \ud569\ub2c8\ub2e4.
\n
\n
\n \uc2e4\ud589(Running State)
\n <\/b>
\n : \ud504\ub85c\uc138\uc2a4\uac00 CPU\ub97c \ucc28\uc9c0\ud558\uace0 \uc2e4\ud589\ud558\ub294 \uc0c1\ud0dc\uc785\ub2c8\ub2e4. \uc6b4\uc601 \uccb4\uc81c\ub294 \ud504\ub85c\uc138\uc2a4\uc758 CPU \uc0ac\uc6a9 \uc2dc\uac04\uc744 \uc9c0\uc815\ud558\ub294\ub370, \uc774\ub97c \uc2dc\uac04 \ud560\ub2f9\ub7c9(Time Slice, Time Quantum)\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc2dc\uac04 \ud560\ub2f9\ub7c9\uc740 \ud2b9\uc815 \ud504\ub85c\uc138\uc2a4\uc758 CPU \ub3c5\uc810\uc744 \ubc29\uc9c0\ud558\uace0 \uc2dc\ubd84\ud560\uacfc \ub2e4\uc911 \ud504\ub85c\uadf8\ub798\ubc0d\uc744 \uc6d0\ud65c\ud558\uac8c \ud558\uae30 \uc704\ud574 \uc124\uc815\ud569\ub2c8\ub2e4. \uc2dc\uac04 \ud560\ub2f9\ub7c9\uc774 \uc124\uc815\ub41c \uacbd\uc6b0 \uc2e4\ud589 \uc911 \uc2dc\uac04 \ud560\ub2f9\ub7c9\uc774 \ucd08\uacfc\ub418\uba74 \ud504\ub85c\uc138\uc2a4\ub294 CPU\ub97c \uc591\ub3c4\ud558\uace0 \uc900\ube44 \ud050\uc758 \ub9e8 \ub4a4\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.
\n
\n
\n \ub300\uae30(Blocked State)
\n <\/b>
\n : CPU\ub97c \ucc28\uc9c0\ud55c \ud504\ub85c\uc138\uc2a4\uac00 \uc2e4\ud589 \uc911\uc5d0 \uc785\ucd9c\ub825 \ucc98\ub9ac\uc640 \uac19\uc740 \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud558\uba74 CPU\ub97c \uc591\ub3c4\ud558\uace0 \uc785\ucd9c\ub825 \ucc98\ub9ac\uac00 \uc644\ub8cc\ub420 \ub54c\uae4c\uc9c0 \ub300\uae30 \ud050\uc5d0\uc11c \uae30\ub2e4\ub9ac\ub294 \uc0c1\ud0dc\uc785\ub2c8\ub2e4. \uc785\ucd9c\ub825 \uc644\ub8cc \ub4f1\uc758 \uc2e0\ud638\uac00 \ub300\uae30 \uc911\uc778 \ud504\ub85c\uc138\uc2a4\uc5d0\uac8c \uc804\ub2ec\ub418\uba74 \uc900\ube44 \uc0c1\ud0dc\ub85c \uc804\uc774\ub429\ub2c8\ub2e4.
\n
\n
\n \uc885\ub8cc(Exit State)
\n <\/b>
\n : \ud504\ub85c\uc138\uc2a4\uac00 \uc2e4\ud589\uc744 \uc644\ub8cc\ud55c \uc0c1\ud0dc\uc785\ub2c8\ub2e4. \ud574\ub2f9 \ud504\ub85c\uc138\uc2a4\ub294 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc81c\uac70\ub418\uba70 \ud504\ub85c\uc138\uc2a4\uc5d0 \uad00\ub828\ub41c \ud504\ub85c\uc138\uc2a4 \uc81c\uc5b4 \ube14\ub85d(PCB : Process Control Block)\ub3c4 \uc0ad\uc81c\ub429\ub2c8\ub2e4.\n <\/p>\n

\n

\n
\n \ud504\ub85c\uc138\uc2a4 \uc81c\uc5b4 \ube14\ub85d(PCB : Process Control Block)
\n <\/b>\n<\/p>\n

\n \ud504\ub85c\uc138\uc2a4\ub294 \ud504\ub85c\uadf8\ub7a8\uacfc \ud504\ub85c\uc138\uc2a4 \uc81c\uc5b4 \ube14\ub85d\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. PCB\ub294 \ud504\ub85c\uc138\uc2a4\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uc6b4\uc601 \uccb4\uc81c\uc5d0 \uc81c\uacf5\ud558\ub294 \uc790\ub8cc \uad6c\uc870\ub85c \uc8fc\uae30\uc5b5\uc7a5\uce58\uc5d0 \uc800\uc7a5\ub429\ub2c8\ub2e4. \ud504\ub85c\uc138\uc2a4\uac00 \uc0dd\uc131\ub420 \ub54c \ub9cc\ub4e4\uc5b4\uc9c0\ubbc0\ub85c \ubaa8\ub4e0 \ud504\ub85c\uc138\uc2a4\ub294 \ubcc4\ub3c4\uc758 PCB\ub97c \ubcf4\uc720\ud558\uba70, \ud504\ub85c\uc138\uc2a4\uac00 \uc2e4\ud589\uc744 \uc644\ub8cc\ud558\uba74 PCB\ub3c4 \uc0ad\uc81c\ub429\ub2c8\ub2e4. \uc6b4\uc601 \uccb4\uc81c\uac00 CPU\ub97c \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\uc5d0\uac8c \ub118\uaca8\uc904 \ub54c \uc2e4\ud589 \uc911\uc778 \ud504\ub85c\uc138\uc2a4\uc758 \ubaa8\ub4e0 \uc815\ubcf4\ub294 PCB\uc5d0 \uc800\uc7a5\ub418\uba70, \ud504\ub85c\uc138\uc2a4\ub97c \ub2e4\uc2dc \uc2e4\ud589\ud560 \ub54c\ub294 PCB\uc5d0 \uc800\uc7a5\ub41c \uc815\ubcf4\ub97c \ud65c\uc6a9\ud569\ub2c8\ub2e4. \uc989 \ud504\ub85c\uc138\uc2a4\uc758 \uc0c1\ud0dc\uac00 \ubcc0\uacbd\ub418\uba74 PCB\uc758 \ub0b4\uc6a9\ub3c4 \ud568\uaed8 \ubcc0\uacbd\ub418\ub294 \uac83\uc785\ub2c8\ub2e4.\n <\/p>\n

\n

\n
\n \ubcd1\ud589 \ud504\ub85c\uc138\uc2a4(Concurrent Process)
\n <\/b>\n<\/p>\n

\n \ud504\ub85c\uc138\uc2a4\ub294 \uc0c1\ud669\uc5d0 \ub530\ub77c \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\uc640 \ud611\ub825\ud558\uba74\uc11c \uc791\uc5c5\uc744 \uc9c4\ud589\ud560 \ub54c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub450 \uac1c \uc774\uc0c1\uc758 \uc5f0\uad00\ub41c \ud504\ub85c\uc138\uc2a4\uac00 \ub3d9\uc2dc\uc5d0 \uc2e4\ud589\ub418\ub294 \uac83\uc774 \ubc14\ub85c \ubcd1\ud589 \ud504\ub85c\uc138\uc2a4\ub77c\uace0 \ud569\ub2c8\ub2e4. \ubcd1\ud589 \ud504\ub85c\uc138\uc2a4\ub294 \ub3c5\ub9bd\uc801\uc73c\ub85c \uc2e4\ud589\ub418\uac70\ub098 \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\uc640 \ud611\ub825\ud558\uc5ec \uc2e4\ud589\ub429\ub2c8\ub2e4. \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\uc640 \ub370\uc774\ud130\ub97c \uacf5\uc720\ud558\uc9c0 \uc54a\uc73c\uba74 \ub3c5\ub9bd\uc801\uc778 \ud504\ub85c\uc138\uc2a4\uace0, \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\ub4e4\uc5d0\uac8c \uc601\ud5a5\uc744 \uc8fc\uac70\ub098 \ubc1b\uc73c\uba74 \ud611\ub825\uc801\uc778 \ud504\ub85c\uc138\uc2a4\uac00 \ub429\ub2c8\ub2e4.\n <\/p>\n

\n \ub450 \uac1c \uc774\uc0c1\uc758 \ud504\ub85c\uc138\uc2a4\ub4e4\uc774 \ubcd1\ud589 \ucc98\ub9ac \uc0c1\ud0dc\uc5d0 \uc788\uc73c\uba74 \uc608\uce21 \ubd88\uac00\ub2a5\ud55c \uacb0\uacfc\uac00 \ubc1c\ud589\ud560 \uc218 \uc788\ub294\ub370, \uc774\ub7ec\ud55c \uc624\ub958\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574\uc11c \ub3d9\uae30\ud654, \uc0c1\ud638 \ubc30\uc81c, \uc784\uacc4 \uad6c\uc5ed \uae30\ubc95\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.\n <\/p>\n

\n
\n \ub3d9\uae30\ud654(Synchronization)
\n <\/b>
\n : CPU\ub294 \ub450 \uac1c \uc774\uc0c1\uc758 \ud504\ub85c\uc138\uc2a4\ub97c \ub3d9\uc2dc\uc5d0 \ucc98\ub9ac\ud560 \uc218 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \ud504\ub85c\uc138\uc2a4\ub4e4\uc758 \ucc98\ub9ac \uc21c\uc11c\ub97c \uacb0\uc815\ud558\ub294 \uae30\ubc95\uc785\ub2c8\ub2e4. \ud504\ub85c\uc138\uc2a4 A\uac00 \ub370\uc774\ud130\ub97c \ud504\ub85c\uc138\uc2a4 B\uc5d0 \uc804\ub2ec\ud558\uace0, \ud504\ub85c\uc138\uc2a4 B\uac00 \uadf8 \ub370\uc774\ud130\ub97c \ud65c\uc6a9\ud560 \ub54c, \ub450 \ud504\ub85c\uc138\uc2a4\ub294 \ub370\uc774\ud130\uc758 \uc1a1\uc218\uc2e0 \uad00\uacc4\uc5d0 \uc758\ud574 \uc2e4\ud589 \uc21c\uc11c\uac00 \uacb0\uc815\ub429\ub2c8\ub2e4.
\n
\n
\n \uc0c1\ud638 \ubc30\uc81c(Mutual Exclusion)
\n <\/b>
\n : \ud558\ub098\uc758 \ud504\ub85c\uc138\uc2a4\uac00 \uacf5\uc720 \uc790\uc6d0\uc744 \uc0ac\uc6a9\ud558\ub294 \ub3d9\uc548 \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\uc758 \uacf5\uc720 \uc790\uc6d0 \uc0ac\uc6a9\uc744 \uae08\uc9c0\ud558\ub294 \uae30\ubc95\uc785\ub2c8\ub2e4. \ud504\ub85c\uc138\uc2a4 A\uac00 \uacf5\uc720 \uc790\uc6d0\uc744 \uc0ac\uc6a9\ud558\uace0 \uc788\uc744 \ub54c \ud504\ub85c\uc138\uc2a4 B\uac00 \ud574\ub2f9 \uc790\uc6d0\uc744 \uc694\uad6c\ud55c\ub2e4\uba74 \ud504\ub85c\uc138\uc2a4 B\ub294 \uacf5\uc720 \uc790\uc6d0\uc774 \ubc18\ud658\ub420 \ub54c\uae4c\uc9c0 \uae30\ub2e4\ub824\uc57c \ud569\ub2c8\ub2e4.
\n
\n
\n \uc784\uacc4 \uad6c\uc5ed(Critical Section, Critical Region)
\n <\/b>
\n : \ubcd1\ud589 \ud504\ub85c\uc138\uc2a4\uac00 \uacf5\uc720 \uc790\uc6d0\uc744 \uc0ac\uc6a9\ud558\ub294 \ucf54\ub4dc \uc601\uc5ed\uc744 \uc784\uacc4 \uad6c\uc5ed(\uc601\uc5ed)\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc989 \ud504\ub85c\uc138\uc2a4\uac00 \uacf5\uc720 \uc790\uc6d0\uc744 \ucc38\uc870\ud558\uba74 \uadf8 \ud504\ub85c\uc138\uc2a4\ub294 \uc784\uacc4 \uad6c\uc5ed \ub0b4\uc5d0 \uc788\ub2e4\uace0 \ud569\ub2c8\ub2e4. \ud558\ub098\uc758 \ud504\ub85c\uc138\uc2a4\uac00 \uc784\uacc4 \uad6c\uc5ed \ub0b4\uc5d0 \uc874\uc7ac\ud558\uba74 \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\ub4e4\uc740 \uc784\uacc4 \uad6c\uc5ed\uc5d0 \uc9c4\uc785\ud560 \uc218\uac00 \uc5c6\ub3c4\ub85d \uc81c\uc5b4\ud558\ub294 \uae30\ubc95\uc785\ub2c8\ub2e4.\n <\/p>\n

\n

\n
\n \uad50\ucc29 \uc0c1\ud0dc(Deadlock)
\n <\/b>\n<\/p>\n

\n \uad50\ucc29 \uc0c1\ud0dc\ub294 \ub2e4\uc911 \ud504\ub85c\uadf8\ub798\ubc0d \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ud558\ub098 \uc774\uc0c1\uc758 \ud504\ub85c\uc138\uc2a4\uac00 \uc808\ub300 \uc77c\uc5b4\ub098\uc9c0 \uc54a\uc744 \ud2b9\uc815 \uc0ac\uac74\uc744 \uae30\ub2e4\ub9ac\uace0 \uc788\ub294 \uc0c1\ud0dc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \ud2b9\uc815 \uc0ac\uac74\uc774\ub780 \uc2dc\uc2a4\ud15c \uc790\uc6d0\uc758 \ud560\ub2f9\uacfc \ud574\uc81c\ub97c \ub9d0\ud569\ub2c8\ub2e4. \ub2e4\uc218\uc758 \uc0ac\uc6a9\uc790 \ud504\ub85c\uc138\uc2a4\ub4e4\uc5d0 \uc758\ud574 \uacf5\uc720\ub418\ub294 \uc790\uc6d0\uc774 \ud2b9\uc815 \ud504\ub85c\uc138\uc2a4\uc5d0 \ud560\ub2f9\ub418\uc5b4 \ub3c5\uc810\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\uace0 \uc788\ub294 \uacbd\uc6b0\uc5d0 \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\uac00 \uadf8 \uc790\uc6d0\uc744 \uc694\uad6c\ud558\uba74 \uad50\ucc29 \uc0c1\ud0dc\uac00 \ubc1c\uc0dd\ud574 \uc791\uc5c5\uc744 \uc644\ub8cc\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc758 \uc774\ubbf8\uc9c0\ub294 OS \uc6b4\uc601 \uccb4\uc81c\uc758 \uad50\ucc29 \uc0c1\ud0dc \uc608\uc2dc\uc785\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \ucd9c\ucc98 : Preplnsta
\n <\/figcaption><\/figure>\n<\/p>\n

\n \ub9ac\uc18c\uc2a4 1\uc740 \ud504\ub85c\uc138\uc2a4 2\ub97c \ubcf4\uc720\ud558\uba74\uc11c \ud504\ub85c\uc138\uc2a4 1\uc744 \uc694\uad6c\ud558\uace0 \ub9ac\uc18c\uc2a4 2\ub294 \ud504\ub85c\uc138\uc2a4 1\uc744 \ubcf4\uc720\ud558\uba74\uc11c \ud504\ub85c\uc138\uc2a4 2\ub97c \uc694\uad6c\ud569\ub2c8\ub2e4. \uac01 \ud504\ub85c\uc138\uc2a4\ub294 \uc790\uc2e0\uc758 \uc790\uc6d0\uc740 \uacc4\uc18d \ubcf4\uc720\ud558\uba74\uc11c \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\uc758 \uc790\uc6d0\uc744 \uc694\uad6c\ud558\uba70, \uc0c1\ub300\ubc29\uc758 \uc790\uc6d0\uc774 \ubc18\ud658\ub418\uc5b4 \uc790\uc2e0\uc5d0\uac8c \ud560\ub2f9\ub420 \ub54c\uae4c\uc9c0 \uacc4\uc18d \uae30\ub2e4\ub9bd\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc0c1\ud669\uc744 \ud658\ud615 \ub300\uae30(Circular Wait)\ub77c\uace0 \ud569\ub2c8\ub2e4.\n <\/p>\n

\n

\n
\n \uad50\ucc29 \uc0c1\ud0dc\uc758 \ubc1c\uc0dd \uc870\uac74
\n <\/b>\n<\/p>\n

\n \uad50\ucc29 \uc0c1\ud0dc\uc5d0 \uc788\ub294 \ud504\ub85c\uc138\uc2a4\ub4e4\uc740 \uc808\ub300\ub85c \uc2e4\ud589\uc744 \uc644\ub8cc\ud560 \uc218 \uc5c6\uc73c\uba70, \uc2dc\uc2a4\ud15c \uc790\uc6d0\uc774 \ubb36\uc5ec \uc788\uc5b4\uc11c \ub2e4\ub978 \uc791\uc5c5\uc744 \uc2e4\ud589\ud560 \uc218\ub3c4 \uc5c6\uc2b5\ub2c8\ub2e4. \uad50\ucc29 \uc0c1\ud0dc\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 4\uac00\uc9c0 \uc870\uac74\uc774 \ub9cc\uc871\ub420 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.\n <\/p>\n

\n
\n \uc0c1\ud638 \ubc30\uc81c(Mutual Exclusion)
\n <\/b>
\n : \uc624\uc9c1 \ud558\ub098\uc758 \ud504\ub85c\uc138\uc2a4\ub9cc\uc774 \uc790\uc6d0\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4\ub294 \uac83\uc73c\ub85c \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\uac00 \uc0ac\uc6a9 \uc911\uc778 \uc790\uc6d0\uc744 \uc694\uad6c\ud560 \uacbd\uc6b0\uc5d0\ub294 \uadf8 \uc790\uc6d0\uc774 \ubc18\ud658\ub420 \ub54c\uae4c\uc9c0 \uae30\ub2e4\ub824\uc57c \ud569\ub2c8\ub2e4.
\n
\n
\n \ubcf4\uc720\uc640 \ub300\uae30(Hold and wait)
\n <\/b>
\n : \uc5b4\ub5a4 \ud504\ub85c\uc138\uc2a4\uac00 \uc790\uc2e0\uc5d0\uac8c \ud560\ub2f9\ub41c \uc790\uc6d0\uc744 \ubcf4\uc720\ud558\uba74\uc11c \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\uac00 \ubcf4\uc720\ud558\uace0 \uc788\ub294 \uc790\uc6d0\uc744 \ucd94\uac00\ub85c \uc694\uad6c\ud558\ub294 \uac83\uc73c\ub85c, \ud574\ub2f9 \uc790\uc6d0\uc774 \ubc18\ud658\ub420 \ub54c\uae4c\uc9c0 \uae30\ub2e4\ub9ac\ub294 \uc0c1\ud0dc\uc785\ub2c8\ub2e4.
\n
\n
\n \ube44\uc120\uc810(Nonpreemption)
\n <\/b>
\n : \uc5b4\ub5a4 \ud504\ub85c\uc138\uc2a4\uc5d0 \ud560\ub2f9\ub41c \uc790\uc6d0\uc744 \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\uac00 \uac15\uc81c\ub85c \uc120\uc810\ud560 \uc218 \uc5c6\ub2e4\ub294 \uac83\uc73c\ub85c, \ud504\ub85c\uc138\uc2a4\uac00 \ud560\ub2f9\ub41c \uc790\uc6d0\uc744 \uc0ac\uc6a9\ud55c \ud6c4 \ubc18\ud658\ud558\uae30 \uc804\uc5d0\ub294 \ud68c\uc218\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.
\n
\n
\n \ud658\ud615 \ub300\uae30(Circular wait)
\n <\/b>
\n : \uac01 \ud504\ub85c\uc138\uc2a4\uac00 \uc790\uc2e0\uc5d0\uac8c \ud560\ub2f9\ub41c \uc790\uc6d0\uc744 \ubcf4\uc720\ud558\uba74\uc11c \uc0c1\ub300\ubc29\uc758 \uc790\uc6d0\uc744 \uc694\uccad\ud558\ub294 \uc0c1\ud0dc\ub85c \ud504\ub85c\uc138\uc2a4 \uc790\uc6d0\ub4e4\uc774 \uc6d0\ud615 \uc0c1\ud0dc(\uc704 \uc774\ubbf8\uc9c0\uc640 \uac19\uc774)\ub97c \uc774\ub8f9\ub2c8\ub2e4.\n <\/p>\n

\n

\n
\n \uad50\ucc29 \uc0c1\ud0dc\uc758 \ud574\uacb0 \ubc29\uc548
\n <\/b>\n<\/p>\n

\n \uad50\ucc29 \uc0c1\ud0dc\uc758 \ud574\uacb0 \ubc29\uc548\uc740 \uc544\ub798\uc758 4\uac00\uc9c0\ub85c \ubd84\ub958\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n
\n \uad50\ucc29 \uc0c1\ud0dc \uc608\ubc29(Deadlock Prevention)
\n <\/b>
\n : \uad50\ucc29 \uc0c1\ud0dc\uc758 \ubc1c\uc0dd \uc870\uac74 4\uac00\uc9c0 \uc911 \ud558\ub098\ub97c \uc81c\uac70\ud558\uc5ec \uad50\ucc29 \uc0c1\ud0dc\uac00 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\ub3c4\ub85d \uc2dc\uc2a4\ud15c\uc744 \uc870\uc808\ud569\ub2c8\ub2e4. \uad50\ucc29 \uc0c1\ud0dc \uc608\ubc29\uc740 \uc801\uc808\ud55c \ud574\uacb0\ucc45\uc774\uc9c0\ub9cc \uc815\ud655\ud55c \uc790\uc6d0 \uc0ac\uc6a9 \uc815\ucc45\uc744 \uc81c\uc2dc\ud574\uc57c \ud558\ubbc0\ub85c \uc790\uc6d0\uc774 \ub0ad\ube44\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n
\n
\n \uad50\ucc29 \uc0c1\ud0dc \ud68c\ud53c(Deadlock Avoidance)
\n <\/b>
\n : \uc2dc\uc2a4\ud15c \uc6b4\uc601 \uc911 \uc0c1\ud669\uc5d0 \ub530\ub77c \uad50\ucc29 \uc0c1\ud0dc \ubc1c\uc0dd \uac00\ub2a5\uc131\uc744 \ud53c\ud574 \uac00\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \ud504\ub85c\uc138\uc2a4\ub4e4\uc758 \uc790\uc6d0 \uc0ac\uc6a9 \uc815\ubcf4\ub97c \ud30c\uc545\ud558\uc5ec \uc790\uc6d0 \uc0ac\uc6a9\uc5d0 \ub300\ud55c \uc0c1\ud669\uc774 \uacc4\uc18d \uc548\uc804 \uc0c1\ud0dc(Safe State)\uac00 \ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uad50\ucc29 \uc0c1\ud0dc \uc608\ubc29 \uae30\ubc95\ubcf4\ub2e4 \uc790\uc6d0\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4\ub294 \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4.
\n
\n
\n \uad50\ucc29 \uc0c1\ud0dc \ud0d0\uc9c0(Deadlock Detection)
\n <\/b>
\n : \uad50\ucc29 \uc0c1\ud0dc\uac00 \ubc1c\uc0dd\ud558\ub3c4\ub85d \ud5c8\uc6a9\ud55c \ud6c4, \uc2dc\uc2a4\ud15c \uc6b4\uc601 \uc911 \uad50\ucc29 \uc0c1\ud0dc\uc758 \ubc1c\uc0dd \uc5ec\ubd80\ub97c \ud310\ub2e8\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uad50\ucc29 \uc0c1\ud0dc\ub97c \ud0d0\uc9c0\ud558\uba74 \uad50\ucc29 \uc0c1\ud0dc\uc5d0 \uad00\ub828\ub41c \ud504\ub85c\uc138\uc2a4\uc640 \uc790\uc6d0\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.
\n
\n
\n \uad50\ucc29 \uc0c1\ud0dc \ud68c\ubcf5(Deadlock Recovery)
\n <\/b>
\n : \uad50\ucc29 \uc0c1\ud0dc \ud0d0\uc9c0 \ud6c4 \uad50\ucc29 \uc0c1\ud0dc\uc5d0 \uad00\ub828\ub41c \ud558\ub098 \uc774\uc0c1\uc758 \ud504\ub85c\uc138\uc2a4\ub97c \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc81c\uac70\ud558\uace0, \uadf8 \ud504\ub85c\uc138\uc2a4\uc5d0 \ud560\ub2f9\ub41c \uc790\uc6d0\uc744 \ud68c\uc218\ud574\uc11c \ub2e4\ub978 \ud504\ub85c\uc138\uc2a4\uc5d0\uac8c \uc81c\uacf5\ud568\uc73c\ub85c\uc368 \uad50\ucc29 \uc0c1\ud0dc\ub85c\ubd80\ud130 \ud68c\ubcf5\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc81c\uac70\ub41c \ud504\ub85c\uc138\uc2a4\ub294 \uc9c0\uae08\uae4c\uc9c0 \uc2e4\ud589\ud55c \uc791\uc5c5 \uacb0\uacfc\ub97c \ubaa8\ub450 \uc783\uc5b4\ubc84\ub9ac\ubbc0\ub85c \ucc98\uc74c\ubd80\ud130 \ub2e4\uc2dc \uc2dc\uc791\ud574\uc57c \ud55c\ub2e4\ub294 \ub2e8\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\ud504\ub85c\uc138\uc2a4 \uad00\ub9ac \ucd08\uae30 \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c\uc740 \ud55c \ubc88\uc5d0 \ud558\ub098\uc758 \ud504\ub85c\uadf8\ub7a8\ub9cc \uc218\ud589\ud558\ub294 \ub2e8\uc77c \ud504\ub85c\uadf8\ub798\ubc0d \uc2dc\uc2a4\ud15c\uc73c\ub85c, \ud558\ub098\uc758 \ud504\ub85c\uadf8\ub7a8\uc774 \ubaa8\ub4e0 \uc2dc\uc2a4\ud15c \uc790\uc6d0\uc744 \uc0ac\uc6a9\ud588\uc73c\ub098 \uc624\ub298\ub0a0 \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c\uc740 \ub2e4\uc218\uc758 \ud504\ub85c\uadf8\ub7a8\uc744 \uc8fc\uae30\uc5b5\uc7a5\uce58\uc5d0 \uc801\uc7ac\ud558\uc5ec \ubcd1\ud589 \uc218\ud589\ud558\uae30 \ub54c\ubb38\uc5d0 \uc5ec\ub7ec \uac1c\uc758 \ud504\ub85c\uadf8\ub7a8\uc774 \uc2dc\uc2a4\ud15c \uc790\uc6d0\uc744 \uacf5\uc720\ud569\ub2c8\ub2e4. \uae30\uc220\uc801 \ubc1c\uc804\uc5d0 \ub530\ub77c \uac1c\ubcc4 \ud504\ub85c\uadf8\ub7a8\uc744 \uc81c\uc5b4\ud560 \ud544\uc694\uac00 \ubc1c\ud589\ud588\uace0, \ud504\ub85c\uc138\uc2a4(Process) \uac1c\ub150\uc774 \ub4f1\uc7a5\ud558\uae30 \uc2dc\uc791\ud588\uc2b5\ub2c8\ub2e4. \ud504\ub85c\uc138\uc2a4\uc758 \uac1c\ub150 \ud504\ub85c\uc138\uc2a4\ub294 1960\ub144\ub300 \uc911\ubc18 \uba40\ud2f1\uc2a4(Multics) \uc6b4\uc601 \uccb4\uc81c\uc5d0\uc11c…<\/p>\n","protected":false},"author":1,"featured_media":359,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[17],"tags":[],"_links":{"self":[{"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/posts\/360"}],"collection":[{"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=360"}],"version-history":[{"count":1,"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/posts\/360\/revisions"}],"predecessor-version":[{"id":361,"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/posts\/360\/revisions\/361"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/media\/359"}],"wp:attachment":[{"href":"https:\/\/the.2days.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}