[2] | 1 | //----------------------------------------------------------- |
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| 2 | // Copyright Christian Arnault LAL-Orsay CNRS |
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| 3 | // arnault@lal.in2p3.fr |
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[663] | 4 | // Modified by Grigory Rybkin |
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[2] | 5 | // See the complete license in cmt_license.txt "http://www.cecill.info". |
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| 6 | //----------------------------------------------------------- |
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| 7 | |
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| 8 | #include "cmt_std.h" |
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| 9 | #include "cmt_lock.h" |
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| 10 | #include "cmt_system.h" |
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| 11 | #include "cmt_error.h" |
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| 12 | #include "cmt_symbol.h" |
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[459] | 13 | #include "cmt_log.h" |
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[2] | 14 | |
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| 15 | //---------------------------------------------------------- |
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| 16 | CmtLock::status CmtLock::lock () |
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| 17 | { |
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[429] | 18 | // status s = check (); |
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[2] | 19 | |
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[429] | 20 | // switch (s) |
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| 21 | // { |
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| 22 | // case locked_by_user: |
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| 23 | // cerr << "Package already locked by you" << endl; |
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| 24 | // return (s); |
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| 25 | // case locked_by_another_user: |
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| 26 | // CmtError::set (CmtError::cannot_lock, "lock> Package already locked by another user"); |
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| 27 | // return (s); |
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| 28 | // case not_locked: |
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| 29 | // break; |
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| 30 | // } |
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| 31 | |
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| 32 | // cmt_string text = "locked by "; |
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| 33 | // text += CmtSystem::user (); |
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| 34 | // text += " date "; |
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| 35 | // text += CmtSystem::now (); |
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| 36 | |
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| 37 | // if (!text.write ("lock.cmt")) |
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| 38 | // { |
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| 39 | // CmtError::set (CmtError::cannot_write_lock, "lock>"); |
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| 40 | // return (still_unlocked); |
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| 41 | // } |
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| 42 | |
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| 43 | // cmt_string command = lock_command->build_macro_value (); |
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| 44 | |
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| 45 | cmt_string lock_command; |
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| 46 | Symbol* lock_command_macro = Symbol::find ("lock_command"); |
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| 47 | if (lock_command_macro != 0) |
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[2] | 48 | { |
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[429] | 49 | lock_command = lock_command_macro->resolve_macro_value (); |
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[2] | 50 | } |
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[429] | 51 | if (lock_command == "") |
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| 52 | { |
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| 53 | CmtError::set (CmtError::cannot_write_lock, "lock>"); |
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| 54 | return (still_unlocked); |
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| 55 | } |
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[2] | 56 | |
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[429] | 57 | cmt_string lock_file; |
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| 58 | Symbol* lock_file_macro = Symbol::find ("lock_file"); |
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| 59 | if (lock_file_macro != 0) |
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[2] | 60 | { |
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[429] | 61 | lock_file = lock_file_macro->resolve_macro_value (); |
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| 62 | } |
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| 63 | if (lock_file == "") |
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| 64 | { |
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[2] | 65 | CmtError::set (CmtError::cannot_write_lock, "lock>"); |
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| 66 | return (still_unlocked); |
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| 67 | } |
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| 68 | |
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[429] | 69 | cmt_string command = lock_command + " " + lock_file; |
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| 70 | |
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| 71 | if (CmtSystem::execute (command) != 0) |
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[2] | 72 | { |
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[429] | 73 | CmtError::set (CmtError::cannot_run_lock_command, "lock>"); |
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| 74 | return (still_unlocked); |
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[2] | 75 | } |
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| 76 | |
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[459] | 77 | CmtMessage::info ("Package now locked"); |
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| 78 | // cerr << "Package now locked" << endl; |
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[2] | 79 | |
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| 80 | return (locked_by_user); |
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| 81 | } |
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| 82 | |
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| 83 | //---------------------------------------------------------- |
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| 84 | CmtLock::status CmtLock::unlock () |
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| 85 | { |
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| 86 | status s = check (); |
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| 87 | |
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| 88 | switch (s) |
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| 89 | { |
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| 90 | case locked_by_user: |
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| 91 | break; |
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| 92 | case locked_by_another_user: |
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| 93 | CmtError::set (CmtError::cannot_unlock, "unlock> Package locked by another user"); |
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| 94 | return (s); |
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| 95 | case not_locked: |
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[459] | 96 | CmtMessage::info ("Package not locked"); |
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| 97 | // cerr << "Package not locked" << endl; |
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[2] | 98 | return (s); |
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[667] | 99 | default: |
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| 100 | break; |
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[2] | 101 | } |
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| 102 | |
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[429] | 103 | // Symbol* unlock_command = Symbol::find ("unlock_command"); |
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| 104 | // if (unlock_command != 0) |
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| 105 | // { |
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| 106 | // cmt_string command = unlock_command->build_macro_value (); |
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| 107 | |
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| 108 | // if (command != "") |
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| 109 | // { |
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| 110 | // if (CmtSystem::execute (command) != 0) |
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| 111 | // { |
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| 112 | // CmtError::set (CmtError::cannot_run_unlock_command, "unlock>"); |
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| 113 | // return (still_locked); |
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| 114 | // } |
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| 115 | // } |
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| 116 | // } |
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| 117 | |
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| 118 | // if (!CmtSystem::remove_file ("lock.cmt")) |
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| 119 | // { |
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| 120 | // CmtError::set (CmtError::cannot_remove_lock, "unlock>"); |
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| 121 | // return (still_locked); |
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| 122 | // } |
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| 123 | |
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| 124 | cmt_string unlock_command; |
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| 125 | Symbol* unlock_command_macro = Symbol::find ("unlock_command"); |
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| 126 | if (unlock_command_macro != 0) |
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[2] | 127 | { |
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[429] | 128 | unlock_command = unlock_command_macro->resolve_macro_value (); |
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[2] | 129 | } |
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[429] | 130 | if (unlock_command == "") |
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| 131 | { |
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| 132 | CmtError::set (CmtError::cannot_remove_lock, "unlock>"); |
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| 133 | return (still_locked); |
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| 134 | } |
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[2] | 135 | |
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[429] | 136 | cmt_string lock_file; |
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| 137 | Symbol* lock_file_macro = Symbol::find ("lock_file"); |
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| 138 | if (lock_file_macro != 0) |
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[2] | 139 | { |
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[429] | 140 | lock_file = lock_file_macro->resolve_macro_value (); |
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| 141 | } |
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| 142 | if (lock_file == "") |
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| 143 | { |
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[2] | 144 | CmtError::set (CmtError::cannot_remove_lock, "unlock>"); |
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| 145 | return (still_locked); |
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| 146 | } |
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| 147 | |
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[429] | 148 | cmt_string command = unlock_command + " " + lock_file; |
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| 149 | |
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| 150 | if (CmtSystem::execute (command) != 0) |
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| 151 | { |
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| 152 | CmtError::set (CmtError::cannot_run_unlock_command, "unlock>"); |
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| 153 | return (still_locked); |
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| 154 | } |
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| 155 | |
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[459] | 156 | CmtMessage::info ("Package now unlocked"); |
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| 157 | // cerr << "Package now unlocked" << endl; |
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[2] | 158 | |
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| 159 | return (not_locked); |
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| 160 | } |
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| 161 | |
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| 162 | //---------------------------------------------------------- |
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| 163 | CmtLock::status CmtLock::check () |
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| 164 | { |
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[429] | 165 | // cmt_string me = CmtSystem::user (); |
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| 166 | // cmt_string text; |
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[2] | 167 | |
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[429] | 168 | // if (text.read ("lock.cmt")) |
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| 169 | // { |
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| 170 | // CmtSystem::cmt_string_vector words; |
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[2] | 171 | |
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[429] | 172 | // CmtSystem::split (text, " ", words); |
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[2] | 173 | |
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[429] | 174 | // if (words.size () >= 3) |
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| 175 | // { |
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| 176 | // if (words[2] == me) |
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| 177 | // { |
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| 178 | // return (locked_by_user); |
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| 179 | // } |
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| 180 | // else |
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| 181 | // { |
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| 182 | // return (locked_by_another_user); |
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| 183 | // } |
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| 184 | // } |
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| 185 | // } |
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| 186 | cmt_string lock_file; |
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| 187 | Symbol* lock_file_macro = Symbol::find ("lock_file"); |
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| 188 | if (lock_file_macro != 0) |
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| 189 | { |
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| 190 | lock_file = lock_file_macro->resolve_macro_value (); |
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[2] | 191 | } |
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[429] | 192 | |
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| 193 | if (CmtSystem::test_file (lock_file) || CmtSystem::test_directory (lock_file)) |
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| 194 | { |
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| 195 | return (locked_by_user); |
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| 196 | } |
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[2] | 197 | |
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| 198 | return (not_locked); |
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| 199 | } |
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