diff options
Diffstat (limited to 'lib/isc/win32/include/isc/once.h')
-rw-r--r-- | lib/isc/win32/include/isc/once.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/isc/win32/include/isc/once.h b/lib/isc/win32/include/isc/once.h new file mode 100644 index 0000000..32af1bd --- /dev/null +++ b/lib/isc/win32/include/isc/once.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 1999-2001 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: once.h,v 1.9 2007/06/19 23:47:20 tbox Exp $ */ + +#ifndef ISC_ONCE_H +#define ISC_ONCE_H 1 + +#include <isc/lang.h> +#include <isc/result.h> + +ISC_LANG_BEGINDECLS + +typedef struct { + int status; + int counter; +} isc_once_t; + +#define ISC_ONCE_INIT_NEEDED 0 +#define ISC_ONCE_INIT_DONE 1 + +#define ISC_ONCE_INIT { ISC_ONCE_INIT_NEEDED, 1 } + +isc_result_t +isc_once_do(isc_once_t *controller, void(*function)(void)); + +ISC_LANG_ENDDECLS + +#endif /* ISC_ONCE_H */ |