git://sourceware.org / newlib-cygwin.git / blame
| Commit | Line | Data |
|---|---|---|
| 282113ba CV |
1 | /* bsd_mutex.h: BSD Mutex helper |
| 2 | ||
| dafef5e2 | 3 | Copyright 2003, 2005 Red Hat, Inc. |
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4 | |
| 5 | This file is part of Cygwin. | |
| 6 | ||
| 7 | This software is a copyrighted work licensed under the terms of the | |
| 8 | Cygwin license. Please consult the file "CYGWIN_LICENSE" for | |
| 9 | details. */ | |
| 10 | #ifndef _BSD_MUTEX_H | |
| 11 | #define _BSD_MUTEX_H | |
| 12 | ||
| 13 | #define MTX_DEF 0 | |
| 14 | ||
| 15 | #define MA_OWNED 1 | |
| 16 | #define MA_NOTOWNED 2 | |
| 17 | ||
| 18 | #define PZERO (0x20) | |
| 19 | #define PRIO_MASK (0x1f) | |
| 20 | #define PDROP 0x1000 | |
| 21 | #define PCATCH 0x2000 | |
| 22 | #define PLOCK 0x3000 | |
| 23 | ||
| 24 | struct mtx { | |
| 25 | HANDLE h; | |
| 26 | const char *name; | |
| 27 | DWORD owner; | |
| dafef5e2 | 28 | unsigned long cnt; |
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29 | }; |
| 30 | ||
| 31 | /* Some BSD kernel global mutex. */ | |
| 32 | extern struct mtx Giant; | |
| 33 | ||
| 34 | void mtx_init (mtx *, const char *, const void *, int); | |
| 35 | void _mtx_lock (mtx *, DWORD winpid, const char *, int); | |
| 36 | #define mtx_lock(m) _mtx_lock((m), (td->ipcblk->winpid), __FILE__, __LINE__) | |
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37 | int mtx_owned (mtx *, DWORD); |
| 38 | void _mtx_assert(mtx *, int, DWORD winpid, const char *, int); | |
| 39 | #define mtx_assert(m,w,p) _mtx_assert((m),(w),(p),__FILE__,__LINE__) | |
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40 | void _mtx_unlock (mtx *, const char *, int); |
| 41 | #define mtx_unlock(m) _mtx_unlock((m),__FILE__,__LINE__) | |
| 42 | ||
| 43 | void mtx_destroy (mtx *); | |
| 44 | ||
| 45 | void msleep_init (void); | |
| 46 | int _msleep (void *, struct mtx *, int, const char *, int, struct thread *); | |
| 47 | #define msleep(i,m,p,w,t) _msleep((i),(m),(p),(w),(t),(td)) | |
| 48 | #define tsleep(i,p,w,t) _msleep((i),NULL,(p),(w),(t),(td)) | |
| 49 | int wakeup (void *); | |
| 50 | void wakeup_all (void); | |
| 51 | ||
| 52 | #endif /* _BSD_MUTEX_H */ |