David Lawrence
40f53fa8d9
own CVS tree will help minimize CVS conflicts. Maybe not. Blame Graff for getting me to trim all trailing whitespace.
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/*
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* Copyright (C) 1999, 2000 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
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* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
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* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: once.h,v 1.5 2000/08/01 01:32:03 tale Exp $ */
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#ifndef ISC_ONCE_H
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#define ISC_ONCE_H 1
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#include <isc/lang.h>
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#include <isc/result.h>
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ISC_LANG_BEGINDECLS
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typedef struct {
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int status;
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int counter;
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} isc_once_t;
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#define ISC_ONCE_INIT_NEEDED 0
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#define ISC_ONCE_INIT_DONE 1
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#define ISC_ONCE_INIT { ISC_ONCE_INIT_NEEDED, 1 }
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isc_result_t
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isc_once_do(isc_once_t *controller, void(*function)(void));
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ISC_LANG_ENDDECLS
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#endif /* ISC_ONCE_H */
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