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Diffstat (limited to 'lib/isc/win32/include/isc/once.h')
-rw-r--r-- | lib/isc/win32/include/isc/once.h | 40 |
1 files changed, 40 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..d2d841f --- /dev/null +++ b/lib/isc/win32/include/isc/once.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#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 */ |