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/* bsd_mutex.h: BSD Mutex helper
Copyright 2003, 2005 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _BSD_MUTEX_H
#define _BSD_MUTEX_H
#define MTX_DEF 0
#define MA_OWNED 1
#define MA_NOTOWNED 2
#define PZERO (0x20)
#define PRIO_MASK (0x1f)
#define PDROP 0x1000
#define PCATCH 0x2000
#define PLOCK 0x3000
struct mtx {
HANDLE h;
const char *name;
DWORD owner;
unsigned long cnt;
};
/* Some BSD kernel global mutex. */
extern struct mtx Giant;
void mtx_init (mtx *, const char *, const void *, int);
void _mtx_lock (mtx *, DWORD winpid, const char *, int);
#define mtx_lock(m) _mtx_lock((m), (td->ipcblk->winpid), __FILE__, __LINE__)
int mtx_owned (mtx *, DWORD);
void _mtx_assert(mtx *, int, DWORD winpid, const char *, int);
#define mtx_assert(m,w,p) _mtx_assert((m),(w),(p),__FILE__,__LINE__)
void _mtx_unlock (mtx *, const char *, int);
#define mtx_unlock(m) _mtx_unlock((m),__FILE__,__LINE__)
void mtx_destroy (mtx *);
void msleep_init (void);
int _msleep (void *, struct mtx *, int, const char *, int, struct thread *);
#define msleep(i,m,p,w,t) _msleep((i),(m),(p),(w),(t),(td))
#define tsleep(i,p,w,t) _msleep((i),NULL,(p),(w),(t),(td))
int wakeup (void *);
void wakeup_all (void);
#endif /* _BSD_MUTEX_H */
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