gdb/testsuite/gdb.threads/pthreads.c

   1 /* Pthreads test program.
   2    Copyright 1996, 2002, 2003, 2004, 2007, 2008, 2009, 2010
   3    Free Software Foundation, Inc.
   4
   5    Written by Fred Fish of Cygnus Support
   6    Contributed by Cygnus Support
   7
   8    This file is part of GDB.
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <pthread.h>
  26
  27 /* Under OSF 2.0 & 3.0 and HPUX 10, the second arg of pthread_create
  28    is prototyped to be just a "pthread_attr_t", while under Solaris it
  29    is a "pthread_attr_t *".  Arg! */
  30
  31 #if defined (__osf__) || defined (__hpux__)
  32 #define PTHREAD_CREATE_ARG2(arg) arg
  33 #define PTHREAD_CREATE_NULL_ARG2 null_attr
  34 static pthread_attr_t null_attr;
  35 #else
  36 #define PTHREAD_CREATE_ARG2(arg) &arg
  37 #define PTHREAD_CREATE_NULL_ARG2 NULL
  38 #endif
  39
  40 static int verbose = 0;
  41
  42 static void
  43 common_routine (arg)
  44      int arg;
  45 {
  46   static int from_thread1;
  47   static int from_thread2;
  48   static int from_main;
  49   static int hits;
  50   static int full_coverage;
  51
  52   if (verbose) printf("common_routine (%d)\n", arg);
  53   hits++;
  54   switch (arg)
  55     {
  56     case 0:
  57       from_main++;
  58       break;
  59     case 1:
  60       from_thread1++;
  61       break;
  62     case 2:
  63       from_thread2++;
  64       break;
  65     }
  66   if (from_main && from_thread1 && from_thread2)
  67     full_coverage = 1;
  68 }
  69
  70 static void *
  71 thread1 (void *arg)
  72 {
  73   int i;
  74   int z = 0;
  75
  76   if (verbose) printf ("thread1 (%0lx) ; pid = %d\n", (long) arg, getpid ());
  77   for (i=1; i <= 10000000; i++)
  78     {
  79       if (verbose) printf("thread1 %ld\n", (long) pthread_self ());
  80       z += i;
  81       common_routine (1);
  82       sleep(1);
  83     }
  84   return (void *) 0;
  85 }
  86
  87 static void *
  88 thread2 (void * arg)
  89 {
  90   int i;
  91   int k = 0;
  92
  93   if (verbose) printf ("thread2 (%0lx) ; pid = %d\n", (long) arg, getpid ());
  94   for (i=1; i <= 10000000; i++)
  95     {
  96       if (verbose) printf("thread2 %ld\n", (long) pthread_self ());
  97       k += i;
  98       common_routine (2);
  99       sleep(1);
 100     }
 101   sleep(100);
 102   return (void *) 0;
 103 }
 104
 105 void
 106 foo (a, b, c)
 107      int a, b, c;
 108 {
 109   int d, e, f;
 110
 111   if (verbose) printf("a=%d\n", a);
 112 }
 113
 114 main(argc, argv)
 115      int argc;
 116      char **argv;
 117 {
 118   pthread_t tid1, tid2;
 119   int j;
 120   int t = 0;
 121   void (*xxx) ();
 122   pthread_attr_t attr;
 123
 124   if (verbose) printf ("pid = %d\n", getpid());
 125
 126   foo (1, 2, 3);
 127
 128 #ifndef __osf__
 129   if (pthread_attr_init (&attr))
 130     {
 131       perror ("pthread_attr_init 1");
 132       exit (1);
 133     }
 134 #endif
 135
 136 #ifdef PTHREAD_SCOPE_SYSTEM
 137   if (pthread_attr_setscope (&attr, PTHREAD_SCOPE_SYSTEM))
 138     {
 139       perror ("pthread_attr_setscope 1");
 140       exit (1);
 141     }
 142 #endif
 143
 144   if (pthread_create (&tid1, PTHREAD_CREATE_ARG2(attr), thread1, (void *) 0xfeedface))
 145     {
 146       perror ("pthread_create 1");
 147       exit (1);
 148     }
 149   if (verbose) printf ("Made thread %ld\n", (long) tid1);
 150   sleep (1);
 151
 152   if (pthread_create (&tid2, PTHREAD_CREATE_NULL_ARG2, thread2, (void *) 0xdeadbeef))
 153     {
 154       perror ("pthread_create 2");
 155       exit (1);
 156     }
 157   if (verbose) printf("Made thread %ld\n", (long) tid2);
 158
 159   sleep (1);
 160
 161   for (j = 1; j <= 10000000; j++)
 162     {
 163       if (verbose) printf("top %ld\n", (long) pthread_self ());
 164       common_routine (0);
 165       sleep(1);
 166       t += j;
 167     }
 168
 169   exit(0);
 170 }
 171