tools/nc_threads/nc_system.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 /*
  34  * This file contains definitions shared between the user mode libararies
  35  * and the service runtime.
  36  */
  37
  38 #ifndef _NC_SYSTEM_H
  39 #define _NC_SYSTEM_H
  40
  41 #include <stdint.h>
  42 #include <sys/time.h>
  43
  44 #if __cplusplus
  45 extern "C" {
  46 #endif
  47
  48 /* threads */
  49 extern void __nacl_exit_thread(int32_t *stack_flag);
  50 extern int __nacl_create_thread(void *start_user_address,
  51                                 void *stack,
  52                                 void *tdb,
  53                                 size_t tdb_size);
  54
  55 /* mutex */
  56 extern int __nacl_create_mutex();
  57 extern int __nacl_lock_mutex(int mutex);
  58 extern int __nacl_unlock_mutex(int mutex);
  59 extern int __nacl_try_lock_mutex(int mutex);
  60
  61 /* condvar */
  62 extern int __nacl_create_condvar();
  63 extern int __nacl_wait_condvar(int cv, int mutex);
  64 extern int __nacl_signal_condvar(int cv);
  65 extern int __nacl_broadcast_condvar(int cv);
  66 extern int __nacl_absolute_timed_wait_condvar(int condvar,
  67                                               int mutex,
  68                                               struct timespec *abstime);
  69
  70 /* semaphore */
  71 extern int __nacl_create_sem(int32_t value);
  72 extern int __nacl_wait_sem(int sem);
  73 extern int __nacl_post_sem(int sem);
  74
  75 #if __cplusplus
  76 }
  77 #endif
  78
  79
  80 #endif /* _NC_SYSTEM_H */