src/opr/lockstub.h

   1 /*
   2  * Copyright (c) 2012 Your File System Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
  14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24
  25 /*!
  26  * This is a set of stub defines that can be included by LWP processes to
  27  * disable the pthread locking macros, and typedefs
  28  */
  29
  30 #ifndef OPENAFS_OPR_LOCKSTUB_H
  31 #define OPENAFS_OPR_LOCKSTUB_H 1
  32
  33 # ifdef AFS_PTHREAD_ENV
  34 #  error "Do not use the opr/lockstub.h header with pthreaded code"
  35 # endif
  36
  37 typedef int opr_cv_t;
  38
  39 # define opr_mutex_init(mutex)
  40 # define opr_mutex_assert(mutex)
  41 # define opr_mutex_destroy(mutex)
  42 # define opr_mutex_enter(mutex)
  43 # define opr_mutex_exit(mutex)
  44 # define opr_mutex_tryenter(mutex) (1)
  45 # define opr_cv_init(condvar)
  46 # define opr_cv_destroy(condvar)
  47 # define opr_cv_wait(condvar, mutex)
  48 # define opr_cv_timedwait(condvar, mutex, timeout)
  49 # define opr_cv_signal(condvar)
  50 # define opr_cv_broadcast(condvar)
  51 #endif