Commit 7a208a07 authored by Bob Halley's avatar Bob Halley
Browse files

add

parent 0d38079b
/*
* Copyright (C) 1998 Internet Software Consortium.
*
* Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM 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.
*/
#ifndef ISC_UTIL_H
#define ISC_UTIL_H 1
/***
*** General Macros.
***/
/*
* We use macros instead of calling the routines directly because
* the capital letters make the locking stand out.
*
* We INSIST that they succeed since there's no way for us to continue
* if they fail.
*/
#define LOCK(lp) \
INSIST(isc_mutex_lock((lp)) == ISC_R_SUCCESS);
#define UNLOCK(lp) \
INSIST(isc_mutex_unlock((lp)) == ISC_R_SUCCESS);
#define BROADCAST(cvp) \
INSIST(isc_condition_broadcast((cvp)) == ISC_R_SUCCESS);
#define SIGNAL(cvp) \
INSIST(isc_condition_signal((cvp)) == ISC_R_SUCCESS);
#define WAIT(cvp, lp) \
INSIST(isc_condition_wait((cvp), (lp)) == ISC_R_SUCCESS);
/*
* isc_condition_waituntil can return ISC_R_TIMEDOUT, so we
* don't INSIST the result is ISC_R_SUCCESS.
*/
#define WAITUNTIL(cvp, lp, tp) \
isc_condition_waituntil((cvp), (lp), (tp))
#endif /* ISC_UTIL_H */
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