Changes in / [1349:f8ec64f78b5f:1346:f95b18d99843] in lemon
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lemon/cplex.cc
r1349 r1336 38 38 } 39 39 40 void CplexEnv::incCnt() 41 { 42 _cnt_lock->lock(); 40 CplexEnv::CplexEnv() { 41 int status; 42 _cnt = new int; 43 (*_cnt) = 1; 44 _env = CPXopenCPLEX(&status); 45 if (_env == 0) { 46 delete _cnt; 47 _cnt = 0; 48 throw LicenseError(status); 49 } 50 } 51 52 CplexEnv::CplexEnv(const CplexEnv& other) { 53 _env = other._env; 54 _cnt = other._cnt; 43 55 ++(*_cnt); 44 _cnt_lock->unlock(); 45 } 46 47 void CplexEnv::decCnt() 48 { 49 _cnt_lock->lock(); 56 } 57 58 CplexEnv& CplexEnv::operator=(const CplexEnv& other) { 59 _env = other._env; 60 _cnt = other._cnt; 61 ++(*_cnt); 62 return *this; 63 } 64 65 CplexEnv::~CplexEnv() { 50 66 --(*_cnt); 51 67 if (*_cnt == 0) { 52 68 delete _cnt; 53 _cnt_lock->unlock();54 delete _cnt_lock;55 69 CPXcloseCPLEX(&_env); 56 70 } 57 else _cnt_lock->unlock();58 }59 60 CplexEnv::CplexEnv() {61 int status;62 _env = CPXopenCPLEX(&status);63 if (_env == 0)64 throw LicenseError(status);65 _cnt = new int;66 (*_cnt) = 1;67 _cnt_lock = new bits::Lock;68 }69 70 CplexEnv::CplexEnv(const CplexEnv& other) {71 _env = other._env;72 _cnt = other._cnt;73 _cnt_lock = other._cnt_lock;74 incCnt();75 }76 77 CplexEnv& CplexEnv::operator=(const CplexEnv& other) {78 decCnt();79 _env = other._env;80 _cnt = other._cnt;81 _cnt_lock = other._cnt_lock;82 incCnt();83 return *this;84 }85 86 CplexEnv::~CplexEnv() {87 decCnt();88 71 } 89 72 -
lemon/cplex.h
r1347 r1270 24 24 25 25 #include <lemon/lp_base.h> 26 #include <lemon/bits/lock.h>27 26 28 27 struct cpxenv; … … 42 41 cpxenv* _env; 43 42 mutable int* _cnt; 44 mutable bits::Lock* _cnt_lock; 45 46 void incCnt(); 47 void decCnt(); 48 43 49 44 public: 50 45
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