service_runtime/nacl_desc_mutex.h

   1 /*
   2  * Copyright 2008, Google Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met:
   8  *
   9  *     * Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above
  12  * copyright notice, this list of conditions and the following disclaimer
  13  * in the documentation and/or other materials provided with the
  14  * distribution.
  15  *     * Neither the name of Google Inc. nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * NaCl service runtime.  NaClDescMutex subclass of NaClDesc.
  34  */
  35 #ifndef NATIVE_CLIENT_SERVICE_RUNTIME_NACL_DESC_MUTEX_H_
  36 #define NATIVE_CLIENT_SERVICE_RUNTIME_NACL_DESC_MUTEX_H_
  37
  38 #include "native_client/include/portability.h"
  39
  40 struct NaClDesc;
  41 struct NaClDescEffector;
  42 struct NaClDescMutex;
  43 struct NaClDescXferState;
  44 struct NaClHostDesc;
  45 struct NaClMessageHeader;
  46 struct nacl_abi_stat;
  47 struct nacl_abi_timespec;
  48
  49 int NaClDescMutexCtor(struct NaClDescMutex  *self);
  50
  51 void NaClDescMutexDtor(struct NaClDesc *vself);
  52
  53 struct NaClDescMutex *NaClDescMutexMake(struct NaClIntrMutex *mu);
  54
  55 int NaClDescMutexClose(struct NaClDesc          *vself,
  56                        struct NaClDescEffector  *effp);
  57
  58 int NaClDescMutexLock(struct NaClDesc         *vself,
  59                       struct NaClDescEffector *effp);
  60
  61 int NaClDescMutexTryLock(struct NaClDesc          *vself,
  62                          struct NaClDescEffector  *effp);
  63
  64 int NaClDescMutexUnlock(struct NaClDesc         *vself,
  65                         struct NaClDescEffector *effp);
  66
  67 #endif