1/* Implement tasking-related runtime actions for CHILL.
2   Copyright (C) 1992,1993 Free Software Foundation, Inc.
3   Author: Wilfried Moser
4
5This file is part of GNU CC.
6
7GNU CC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU CC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU CC; see the file COPYING.  If not, write to
19the Free Software Foundation, 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA.  */
21
22/* As a special exception, if you link this library with other files,
23   some of which are compiled with GCC, to produce an executable,
24   this library does not by itself cause the resulting executable
25   to be covered by the GNU General Public License.
26   This exception does not however invalidate any other reasons why
27   the executable file might be covered by the GNU General Public License.  */
28
29#include <stdio.h>
30#include "rtltypes.h"
31#include "rts.h"
32
33typedef char *(*fetch_names) (int number);
34extern fetch_names	__RTS_FETCH_NAMES__;
35
36/*
37 * function print_instance
38 *
39 */
40
41static char *print_instance (ins)
42     INSTANCE ins;
43{
44  static char  buf[256];
45  char *f;
46
47  if (!__RTS_FETCH_NAMES__)
48    f = 0;
49  else
50    f = (*__RTS_FETCH_NAMES__) (ins.ptype);
51  if (!f)
52    sprintf (buf, "[%u;%u]", ins.ptype, ins.pcopy);
53  else
54    sprintf (buf, "[%s;%u]", f, ins.pcopy);
55  return buf;
56}
57
58/*
59 * function __print_buffer
60 *
61 * parameters:
62 *     buffer      buffer location
63 *
64 * returns:
65 *     void
66 *
67 * exceptions:
68 *     none
69 *
70 * abstract:
71 *     Function is used for debugging purposes only to print a
72 *     buffer queue
73 */
74
75void
76__print_buffer (buffer, name)
77     Buffer_Queue   **buffer;
78     char            *name;
79{
80  Buffer_Queue      *bq;
81  int                bsqcnt = 0, bwqcnt = 0;
82  Buffer_Send_Queue *bsq;
83  Buffer_Wait_Queue *bwq;
84
85  if (name)
86    printf ("Buffer %s:\n", name);
87  else
88    printf ("Buffer at address H'%X:\n", buffer);
89
90  memcpy (&bq, buffer, sizeof (Buffer_Queue *));
91  if (bq == 0)
92    {
93      printf ("EMPTY\n");
94      return;
95    }
96
97  bsq = bq->sendqueue;
98  if (bsq != 0)
99      printf ("Send Queue:\n");
100  while (bsq)
101    {
102      printf (" %3d: ", ++bsqcnt);
103      printf ("Process %s, ", print_instance (bsq->this));
104      printf ("Priority %d", bsq->priority);
105      if (bsq->is_delayed)
106	printf (", Delayed");
107      printf ("\n");
108      bsq = bsq->forward;
109    }
110  bwq = bq->waitqueue;
111  if (bwq != 0)
112      printf ("Wait Queue:\n");
113  while (bwq)
114    {
115      printf (" %3d: ", ++bwqcnt);
116      printf ("Process %s, ", print_instance (bwq->this));
117      if (bwq->is_sent)
118	printf (", Send by %s", print_instance (bwq->who_sent));
119      printf ("\n");
120      bwq = bwq->forward;
121    }
122  if (bsqcnt == 0 && bwqcnt == 0)
123    printf ("EMPTY\n");
124}
125