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Diffstat (limited to 'src/libmowgli/mowgli_spinlock.h')
-rw-r--r--src/libmowgli/mowgli_spinlock.h44
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diff --git a/src/libmowgli/mowgli_spinlock.h b/src/libmowgli/mowgli_spinlock.h
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--- a/src/libmowgli/mowgli_spinlock.h
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-/*
- * libmowgli: A collection of useful routines for programming.
- * mowgli_spinlock.h: Spinlocks.
- *
- * Copyright (c) 2007 William Pitcock <nenolod -at- sacredspiral.co.uk>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice is present in all copies.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef __MOWGLI_SPINLOCK_H__
-#define __MOWGLI_SPINLOCK_H__
-
-typedef struct {
- void *read_owner; /* opaque data representing a spinlock's owner */
- void *write_owner; /* opaque data representing a spinlock's owner */
-} mowgli_spinlock_t;
-
-typedef enum {
- MOWGLI_SPINLOCK_READ,
- MOWGLI_SPINLOCK_WRITE,
- MOWGLI_SPINLOCK_READWRITE
-} mowgli_spinlock_lock_param_t;
-
-extern mowgli_spinlock_t *mowgli_spinlock_create(void);
-extern void mowgli_spinlock_lock(mowgli_spinlock_t *self, void *r, void *w);
-extern void mowgli_spinlock_unlock(mowgli_spinlock_t *self, void *r, void *w);
-extern void mowgli_spinlock_wait(mowgli_spinlock_t *self, mowgli_spinlock_lock_param_t param);
-extern void mowgli_spinlock_timed_wait(mowgli_spinlock_t *self, mowgli_spinlock_lock_param_t param, struct timeval *tv);
-
-#endif