/*
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* Written by Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>.
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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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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#ifndef _COBALT_UAPI_MUTEX_H
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#define _COBALT_UAPI_MUTEX_H
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#include <cobalt/uapi/kernel/types.h>
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#define COBALT_MUTEX_MAGIC 0x86860303
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struct cobalt_mutex_state {
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atomic_t owner;
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__u32 flags;
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#define COBALT_MUTEX_COND_SIGNAL 0x00000001
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#define COBALT_MUTEX_ERRORCHECK 0x00000002
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__u32 ceiling;
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};
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union cobalt_mutex_union {
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pthread_mutex_t native_mutex;
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struct cobalt_mutex_shadow {
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__u32 magic;
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__u32 lockcnt;
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__u32 state_offset;
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xnhandle_t handle;
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struct cobalt_mutexattr attr;
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} shadow_mutex;
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};
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#endif /* !_COBALT_UAPI_MUTEX_H */
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