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/* this is mutex.h file, part of the libspopc library sources |
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* copyright © 2002- Benoit Rouits <brouits@free.fr> |
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* released under the terms of the GNU Lesser General Public Licence. |
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* |
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* libspopc offers simple API for a pop3 client. |
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* See RFC 1725 for pop3 specifications. |
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* more information on http://herewe.servebeer.com/libspopc/ |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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#ifndef MUTEX_H |
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#define MUTEX_H |
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|
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#include <semaphore.h> |
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|
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typedef sem_t mutex; |
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|
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/* initializes a thread-wide mutex */ |
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int mutex_init(mutex* id); |
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|
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/* acquire the given mutex to enter in a critical section */ |
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int mutex_in (mutex* id); |
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|
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/* quit the critical section, by releasing the given mutex */ |
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int mutex_out (mutex* id); |
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|
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/* clean the mutex, thus re-initable by mutex_init() */ |
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int mutex_clean(mutex* id); |
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|
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#endif |