gnu/dist/gcc4/libstdc++-v3/testsuite/thread/pthread5.cc

   1 // 2002-01-23  Loren J. Rittle <rittle@labs.mot.com> <ljrittle@acm.org>
   2 // Adpated from libstdc++/5464 submitted by jjessel@amadeus.net
   3 // Jean-Francois JESSEL (Amadeus SAS Development)
   4 //
   5 // Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 2, or (at your option)
  11 // any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING.  If not, write to the Free
  20 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21 // USA.
  22
  23 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } }
  24 // { dg-options "-pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* } }
  25 // { dg-options "-pthreads" { target *-*-solaris* } }
  26
  27 #include <vector>
  28 #include <list>
  29 #include <string>
  30
  31 // Do not include <pthread.h> explicitly; if threads are properly
  32 // configured for the port, then it is picked up free from STL headers.
  33
  34 #ifdef _GLIBCXX_HAVE_UNISTD_H
  35 #include <unistd.h>     // To test for _POSIX_THREAD_PRIORITY_SCHEDULING
  36 #endif
  37
  38 using namespace std;
  39
  40 #define NTHREADS 8
  41 #define LOOPS 20
  42
  43 struct tt_t
  44 {
  45   char buf[100];
  46   int  i;
  47 };
  48
  49 void*
  50 thread_function (void* arg)
  51 {
  52   int myid __attribute__((unused)) = *(int*) arg;
  53   for (int i = 0; i < LOOPS; i++)
  54     {
  55       vector<tt_t> myvect1;
  56
  57       for (int j = 0; j < 2000; j++)
  58         {
  59           vector<tt_t> myvect2;
  60           tt_t v;
  61           v.i = j;
  62           myvect1.push_back (v);
  63           myvect2.push_back (v);
  64           list<std::string *> mylist;
  65           std::string string_array[4];
  66           string_array[0] = "toto";
  67           string_array[1] = "titi";
  68           string_array[2] = "tata";
  69           string_array[3] = "tutu";
  70           for (int k = 0; k < 4; k++)
  71             {
  72               if (mylist.size ())
  73                 {
  74                   list<std::string *>::iterator aIt;
  75                   for (aIt = mylist.begin (); aIt != mylist.end (); ++aIt)
  76                     {
  77                       if ((*aIt) == &(string_array[k]))
  78                         abort ();
  79                     }
  80                 }
  81               mylist.push_back (&(string_array[k]));
  82             }
  83         }
  84     }
  85
  86   return arg;
  87 }
  88
  89 int
  90 main ()
  91 {
  92   int worker;
  93   pthread_t threads[NTHREADS];
  94   int ids[NTHREADS];
  95   void* status;
  96
  97 #if defined(__sun) && defined(__svr4__) && _XOPEN_VERSION >= 500
  98   pthread_setconcurrency (NTHREADS);
  99 #endif
 100
 101   pthread_attr_t tattr;
 102   int ret = pthread_attr_init (&tattr);
 103 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
 104   ret = pthread_attr_setscope(&tattr, PTHREAD_SCOPE_SYSTEM);
 105 #endif
 106
 107   for (worker = 0; worker < NTHREADS; worker++)
 108     {
 109       ids[worker] = worker;
 110       if (pthread_create(&threads[worker], &tattr,
 111                          thread_function, &ids[worker]))
 112         abort ();
 113     }
 114
 115   for (worker = 0; worker < NTHREADS; worker++)
 116     {
 117       if (pthread_join(threads[worker], static_cast<void **>(&status)))
 118         abort ();
 119
 120       if (*((int *)status) != worker)
 121         abort ();
 122     }
 123
 124   return (0);
 125 }