gcc/m2/gm2-libs-ch/RTcodummy.c

   1 /* RTcodummy.c provides dummy access to thread primitives.
   2
   3 Copyright (C) 2019-2023 Free Software Foundation, Inc.
   4 Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
   5
   6 This file is part of GNU Modula-2.
   7
   8 GNU Modula-2 is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GNU Modula-2 is distributed in the hope that it will be useful, but
  14 WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 General Public License for more details.
  17
  18 Under Section 7 of GPL version 3, you are granted additional
  19 permissions described in the GCC Runtime Library Exception, version
  20 3.1, as published by the Free Software Foundation.
  21
  22 You should have received a copy of the GNU General Public License and
  23 a copy of the GCC Runtime Library Exception along with this program;
  24 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  25 <http://www.gnu.org/licenses/>.  */
  26
  27 #ifdef __cplusplus
  28 extern "C" {
  29 #endif
  30
  31
  32 void
  33 RTco_wait (__attribute__ ((unused)) int sid)
  34 {
  35 }
  36
  37
  38 void
  39 RTco_signal (__attribute__ ((unused)) int sid)
  40 {
  41 }
  42
  43
  44 int
  45 RTco_init (void)
  46 {
  47   return 0;
  48 }
  49
  50
  51 int
  52 RTco_initSemaphore (__attribute__ ((unused)) int value)
  53 {
  54   return 0;
  55 }
  56
  57
  58 /* signalThread signal the semaphore associated with thread tid.  */
  59
  60 void
  61 RTco_signalThread (__attribute__ ((unused)) int tid)
  62 {
  63 }
  64
  65
  66 /* waitThread wait on the semaphore associated with thread tid.  */
  67
  68 void
  69 RTco_waitThread (__attribute__ ((unused)) int tid)
  70 {
  71 }
  72
  73
  74 int
  75 RTco_currentThread (void)
  76 {
  77   return 0;
  78 }
  79
  80
  81 int
  82 RTco_initThread (__attribute__ ((unused)) void (*proc)(void),
  83                  __attribute__ ((unused)) unsigned int stackSize,
  84                  __attribute__ ((unused)) unsigned int interruptLevel)
  85 {
  86   return 0;
  87 }
  88
  89
  90 void
  91 RTco_transfer (__attribute__ ((unused)) int *p1, __attribute__ ((unused)) int p2)
  92 {
  93 }
  94
  95
  96 int
  97 RTco_select (__attribute__ ((unused)) int p1,
  98              __attribute__ ((unused)) void *p2,
  99              __attribute__ ((unused)) void *p3,
 100              __attribute__ ((unused)) void *p4,
 101              __attribute__ ((unused)) void *p5)
 102 {
 103   return 0;
 104 }
 105
 106
 107 unsigned int
 108 RTco_currentInterruptLevel (void)
 109 {
 110   return 0;
 111 }
 112
 113
 114 /* turninterrupts returns the old interrupt level and assigns the interrupt level
 115    to newLevel.  */
 116
 117 unsigned int
 118 RTco_turnInterrupts (unsigned int newLevel)
 119 {
 120   return 0;
 121 }
 122
 123 void
 124 _M2_RTco_init (void)
 125 {
 126 }
 127
 128 void
 129 _M2_RTco_finish (void)
 130 {
 131 }
 132
 133
 134 #ifdef __cplusplus
 135 }
 136 #endif