contrib/bind-9.5.2/lib/isc/pthreads/include/isc/condition.h

   1 /*
   2  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1998-2001  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  15  * PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 /* $Id: condition.h,v 1.26 2007/06/19 23:47:18 tbox Exp $ */
  19
  20 #ifndef ISC_CONDITION_H
  21 #define ISC_CONDITION_H 1
  22
  23 /*! \file */
  24
  25 #include <isc/lang.h>
  26 #include <isc/mutex.h>
  27 #include <isc/result.h>
  28 #include <isc/types.h>
  29
  30 typedef pthread_cond_t isc_condition_t;
  31
  32 #define isc_condition_init(cp) \
  33         ((pthread_cond_init((cp), NULL) == 0) ? \
  34          ISC_R_SUCCESS : ISC_R_UNEXPECTED)
  35
  36 #if ISC_MUTEX_PROFILE
  37 #define isc_condition_wait(cp, mp) \
  38         ((pthread_cond_wait((cp), &((mp)->mutex)) == 0) ? \
  39          ISC_R_SUCCESS : ISC_R_UNEXPECTED)
  40 #else
  41 #define isc_condition_wait(cp, mp) \
  42         ((pthread_cond_wait((cp), (mp)) == 0) ? \
  43          ISC_R_SUCCESS : ISC_R_UNEXPECTED)
  44 #endif
  45
  46 #define isc_condition_signal(cp) \
  47         ((pthread_cond_signal((cp)) == 0) ? \
  48          ISC_R_SUCCESS : ISC_R_UNEXPECTED)
  49
  50 #define isc_condition_broadcast(cp) \
  51         ((pthread_cond_broadcast((cp)) == 0) ? \
  52          ISC_R_SUCCESS : ISC_R_UNEXPECTED)
  53
  54 #define isc_condition_destroy(cp) \
  55         ((pthread_cond_destroy((cp)) == 0) ? \
  56          ISC_R_SUCCESS : ISC_R_UNEXPECTED)
  57
  58 ISC_LANG_BEGINDECLS
  59
  60 isc_result_t
  61 isc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_time_t *);
  62
  63 ISC_LANG_ENDDECLS
  64
  65 #endif /* ISC_CONDITION_H */