service_runtime/nacl_interruptible_condvar.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 Server Runtime interruptible condvar, based on nacl_sync
  34  * interface. We need a condvar that can handle interruptible mutexes
  35  * correctly.
  36  */
  37 #ifndef NATIVE_CLIENT_SERVICE_RUNTIME_NACL_INTERRUPTIBLE_CONDVAR_H_
  38 #define NATIVE_CLIENT_SERVICE_RUNTIME_NACL_INTERRUPTIBLE_CONDVAR_H_
  39
  40 #include "native_client/include/nacl_base.h"
  41 #include "native_client/service_runtime/include/sys/time.h"
  42 #include "native_client/service_runtime/nacl_interruptible_mutex.h"
  43 #include "native_client/service_runtime/nacl_sync.h"
  44
  45
  46 EXTERN_C_BEGIN
  47
  48
  49 struct NaClIntrCondVar {
  50   struct NaClCondVar  cv;
  51 };
  52
  53 int NaClIntrCondVarCtor(struct NaClIntrCondVar  *cp);
  54
  55 void NaClIntrCondVarDtor(struct NaClIntrCondVar *cp);
  56
  57 NaClSyncStatus NaClIntrCondVarWait(struct NaClIntrCondVar         *cp,
  58                                    struct NaClIntrMutex           *mp,
  59                                    struct nacl_abi_timespec const *ts);
  60
  61 NaClSyncStatus NaClIntrCondVarSignal(struct NaClIntrCondVar *cp);
  62
  63 NaClSyncStatus NaClIntrCondVarBroadcast(struct NaClIntrCondVar *cp);
  64
  65 void NaClIntrCondVarIntr(struct NaClIntrCondVar  *cp);
  66
  67 void NaClIntrCondVarReset(struct NaClIntrCondVar *cp);
  68
  69 EXTERN_C_END
  70
  71
  72 #endif  /* NATIVE_CLIENT_SERVICE_RUNTIME_NACL_INTERRUPTIBLE_CONDVAR_H_ */