mirror of https://github.com/axmolengine/axmol.git
add semaphore support on bada
This commit is contained in:
dumganhar
parent
c138d7e258
commit
79e204abad
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/*
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Bada pthread
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Copyright (c) 2010 Markovtsev Vadim
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include "semaphore.h"
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#include <FBaseRtThread.h>
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#include <map>
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#include <string>
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struct sem{
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Osp::Base::Runtime::Semaphore *id;
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int value;
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Osp::Base::Runtime::Mutex *mutex;
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};
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static std::map<std::string, sem_t *> _semaphores;
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int sem_destroy(sem_t*sem)
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{
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if (sem)
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{
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if (sem->id)
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{
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delete sem->id;
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sem->id = null;
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}
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if (sem->mutex)
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{
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delete sem->mutex;
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sem->mutex = null;
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}
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}
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return 0;
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}
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static int atomic_add(int *number, int value, Osp::Base::Runtime::Mutex *mutex)
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{
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if (!mutex || !number)
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{
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return -1;
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}
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mutex->Acquire();
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*number += value;
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mutex->Release();
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return 0;
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}
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int sem_getvalue(sem_t*sem,int*sval)
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{
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if (!sem || !sval || sem->mutex)
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{
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return -1;
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}
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sem->mutex->Acquire();
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*sval = sem->value;
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sem->mutex->Release();
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return 0;
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}
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int sem_init(sem_t*sem,int pshared,unsigned int value)
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{
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if (!sem)
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{
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return -1;
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}
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sem->id = new Osp::Base::Runtime::Semaphore();
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sem->mutex = new Osp::Base::Runtime::Mutex();
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sem->id->Create(value);
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sem->mutex->Create();
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sem->value = value;
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return 0;
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}
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int sem_post(sem_t*sem)
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{
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if (!sem || !sem->id)
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{
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return -1;
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}
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atomic_add(&sem->value, 1, sem->mutex);
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sem->id->Release();
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return 0;
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}
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int sem_trywait(sem_t*sem)
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{
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if (!sem || !sem->id)
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{
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return -1;
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}
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sem->mutex->Acquire();
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int sval = sem->value;
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sem->mutex->Release();
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if (sval > 0)
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{
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atomic_add(&sem->value, -1, sem->mutex);
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sem->id->Acquire();
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return 0;
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}
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return -1;
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}
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int sem_wait(sem_t*sem)
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{
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if (!sem || !sem->id)
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{
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return -1;
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}
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atomic_add(&sem->value, -1, sem->mutex);
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sem->id->Acquire();
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return 0;
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}
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sem_t*sem_open(const char*name,int oflag,...)
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{
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sem_t *sem = new sem_t();
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sem->id = new Osp::Base::Runtime::Semaphore();
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sem->mutex = new Osp::Base::Runtime::Mutex();
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sem->id->Create(name);
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sem->mutex->Create();
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sem->value = 1;
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_semaphores.insert(std::pair<std::string, sem_t *>(name, sem));
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return sem;
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}
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int sem_close(sem_t*sem)
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{
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return sem_destroy(sem);
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}
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int sem_unlink(const char*name)
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{
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std::map<std::string, sem_t *>::iterator I = _semaphores.find(name);
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if (I == _semaphores.end())
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{
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return -1;
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}
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sem_destroy(I->second);
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_semaphores.erase(name);
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return 0;
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}
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int sem_timedwait(sem_t*sem,const struct timespec*abstime)
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{
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if (!sem || !sem->id || !abstime)
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{
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return -1;
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}
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sem->id->Acquire(abstime->tv_sec * 1000 + abstime->tv_nsec / 1000000);
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return 0;
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}
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@ -0,0 +1,49 @@
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/*
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Bada pthread
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Copyright (c) 2010 Markovtsev Vadim
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
|
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
|
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#ifndef SEMAPHORE_H_
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#define SEMAPHORE_H_
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#include <time.h>
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struct sem;
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typedef struct sem sem_t;
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#define SEM_FAILED ((sem_t*)0)
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#define SEM_VALUE_MAX ((int)((~0u)>>1))
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#define SEM_MAGIC 0x35d108f2
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int sem_destroy(sem_t*sem);
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int sem_getvalue(sem_t*sem,int*sval);
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int sem_init(sem_t*sem,int pshared,unsigned int value);
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int sem_post(sem_t*sem);
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int sem_trywait(sem_t*sem);
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int sem_wait(sem_t*sem);
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sem_t*sem_open(const char*name,int oflag,...);
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int sem_close(sem_t*sem);
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int sem_unlink(const char*name);
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int sem_timedwait(sem_t*sem,const struct timespec*abstime);
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#endif /* SEMAPHORE_H_ */
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