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Diffstat (limited to 'lib/isc/win32/include/isc/mutex.h')
| -rw-r--r-- | lib/isc/win32/include/isc/mutex.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/isc/win32/include/isc/mutex.h b/lib/isc/win32/include/isc/mutex.h new file mode 100644 index 0000000..e5320c3 --- /dev/null +++ b/lib/isc/win32/include/isc/mutex.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2004, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 1998-2001 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: mutex.h,v 1.20 2008/09/12 04:46:25 marka Exp $ */ + +#ifndef ISC_MUTEX_H +#define ISC_MUTEX_H 1 + +#include <isc/net.h> +#include <windows.h> + +#include <isc/result.h> + +typedef CRITICAL_SECTION isc_mutex_t; + +/* + * This definition is here since somve versions of WINBASE.H + * omits it for some reason. + */ +#if (_WIN32_WINNT < 0x0400) +WINBASEAPI BOOL WINAPI +TryEnterCriticalSection(LPCRITICAL_SECTION lpCriticalSection); +#endif /* _WIN32_WINNT < 0x0400 */ + +#define isc_mutex_init(mp) \ + (InitializeCriticalSection((mp)), ISC_R_SUCCESS) +#define isc_mutex_lock(mp) \ + (EnterCriticalSection((mp)), ISC_R_SUCCESS) +#define isc_mutex_unlock(mp) \ + (LeaveCriticalSection((mp)), ISC_R_SUCCESS) +#define isc_mutex_trylock(mp) \ + (TryEnterCriticalSection((mp)) ? ISC_R_SUCCESS : ISC_R_LOCKBUSY) +#define isc_mutex_destroy(mp) \ + (DeleteCriticalSection((mp)), ISC_R_SUCCESS) + +/* + * This is a placeholder for now since we are not keeping any mutex stats + */ +#define isc_mutex_stats(fp) do {} while (0) + +#endif /* ISC_MUTEX_H */ |