diff options
Diffstat (limited to 'winsup/cygserver/bsd_mutex.h')
-rw-r--r-- | winsup/cygserver/bsd_mutex.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/winsup/cygserver/bsd_mutex.h b/winsup/cygserver/bsd_mutex.h new file mode 100644 index 000000000..3b07bf3c6 --- /dev/null +++ b/winsup/cygserver/bsd_mutex.h @@ -0,0 +1,51 @@ +/* bsd_mutex.h: BSD Mutex helper + + Copyright 2003 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; +}; + +/* 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 *); +void _mtx_assert(mtx *, int, const char *, int); +#define mtx_assert(m,w) _mtx_assert((m),(w),__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 */ |