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Diffstat (limited to 'winsup/cygwin/sync.h')
| -rw-r--r-- | winsup/cygwin/sync.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/winsup/cygwin/sync.h b/winsup/cygwin/sync.h deleted file mode 100644 index 9cd50c3ac..000000000 --- a/winsup/cygwin/sync.h +++ /dev/null @@ -1,49 +0,0 @@ -/* sync.h: Header file for cygwin synchronization primitives. - - Copyright 1999, 2000, 2001, 2002 Red Hat, Inc. - - Written by Christopher Faylor <cgf@cygnus.com> - -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. */ - -/* FIXME: Note that currently this class cannot be allocated via `new' since - there are issues with malloc and fork. */ -class muto -{ - LONG sync; /* Used to serialize access to this class. */ - LONG visits; /* Count of number of times a thread has called acquire. */ - LONG waiters; /* Number of threads waiting for lock. */ - HANDLE bruteforce; /* event handle used to control waiting for lock. */ - DWORD tid; /* Thread Id of lock owner. */ -public: - class muto *next; - const char *name; - - /* The real constructor. */ - muto *init(const char *name) __attribute__ ((regparm (3))); - -#if 0 /* FIXME: See comment in sync.cc */ - ~muto () -#endif - int acquire (DWORD ms = INFINITE) __attribute__ ((regparm (2))); /* Acquire the lock. */ - int release () __attribute__ ((regparm (1))); /* Release the lock. */ - - /* Return true if caller thread owns the lock. */ - int ismine () {return tid == GetCurrentThreadId ();} - DWORD owner () {return tid;} - int unstable () {return !tid && (sync || waiters >= 0);} - void reset () __attribute__ ((regparm (1))); -}; - -extern muto muto_start; - -/* Use a statically allocated buffer as the storage for a muto */ -#define new_muto(__name) \ -({ \ - static muto __name##_storage __attribute__((nocommon)) __attribute__((section(".data_cygwin_nocopy"))); \ - __name = __name##_storage.init (#__name); \ -}) |