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