newlib/libc/machine/cris/include/pthread.h

   1 /* pthread.h dummy.
   2    Copyright (C) 2001, 2004, 2005 Axis Communications AB.
   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
   7    are met:
   8
   9    1. Redistributions of source code must retain the above copyright
  10       notice, this list of conditions and the following disclaimer.
  11
  12    2. Neither the name of Axis Communications nor the names of its
  13       contributors may be used to endorse or promote products derived
  14       from this software without specific prior written permission.
  15
  16    THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS
  17    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS
  20    COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  21    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  22    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  25    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  26    IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  27    POSSIBILITY OF SUCH DAMAGE.  */
  28
  29 /* Simple fallback-include to enable thread-enabled exception support
  30    for libgcc, but with posix-interface to a default-dummy, so a posix
  31    library can optionally be linked in, which isn't possible if
  32    gthr-single.h is used.  No other use is supported; *DO NOT* think
  33    this gives you a valid pthread interface to use in your applications.  */
  34
  35 #ifndef _PTHREAD_FAKE
  36 #define _PTHREAD_FAKE
  37
  38 #ifdef __cplusplus
  39 extern "C" {
  40 # ifndef __THROW
  41 #  define __THROW throw ()
  42 # endif
  43 #else
  44 # ifndef __THROW
  45 #  define __THROW
  46 # endif
  47 #endif
  48
  49 typedef int pthread_once_t;
  50 typedef unsigned int pthread_key_t;
  51
  52 /* This must be layout-compatible with the linuxthreads type.  */
  53 typedef struct
  54 {
  55   int a, b;
  56   void *c;
  57   int d;
  58   struct { long int e; int f; } g;
  59 } pthread_mutex_t;
  60
  61 /* This give bits equal to the linuxthreads initializer.  */
  62 #define PTHREAD_MUTEX_INITIALIZER \
  63   {0, 0, 0, 0, {0, 0}}
  64
  65 #define PTHREAD_ONCE_INIT 0
  66
  67 /* This isn't the right prototype, but it let's us get away with not
  68    defining a lot of datatypes.  */
  69 extern int pthread_create (void) __THROW;
  70
  71 extern int pthread_once (pthread_once_t *, void (*) (void)) __THROW;
  72
  73 extern int pthread_key_create (pthread_key_t *, void (*) (void *)) __THROW;
  74
  75 extern int pthread_setspecific (pthread_key_t, const void *) __THROW;
  76
  77 extern void *pthread_getspecific (pthread_key_t) __THROW;
  78
  79 extern int pthread_mutex_lock (pthread_mutex_t *) __THROW;
  80
  81 extern int pthread_key_delete (pthread_key_t) __THROW;
  82
  83 extern int pthread_mutex_trylock (pthread_mutex_t *) __THROW;
  84
  85 extern int pthread_mutex_unlock (pthread_mutex_t *) __THROW;
  86
  87 #ifdef __cplusplus
  88 }
  89 #endif
  90
  91 #undef __THROW
  92
  93 #endif /* not _PTHREAD_FAKE */