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condition.h
(2.08 KB)
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mutex.h
(1.46 KB)
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once.h
(1.14 KB)
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thread.h
(1.14 KB)
Editing: once.h
/* * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000, 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 1.6 2007/06/19 23:47:18 tbox Exp $ */ #ifndef ISC_ONCE_H #define ISC_ONCE_H 1 #include <isc/result.h> typedef isc_boolean_t isc_once_t; #define ISC_ONCE_INIT ISC_FALSE #define isc_once_do(op, f) \ (!*(op) ? (f(), *(op) = ISC_TRUE, ISC_R_SUCCESS) : ISC_R_SUCCESS) #endif /* ISC_ONCE_H */
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