libstdc++-v3/testsuite/19_diagnostics/23591_thread-1.c

   1 // { dg-require-sharedlib "" }
   2 // { dg-options "-g -O2 -pthread -ldl -x c" { target *-*-linux* } }
   3
   4 // Copyright (C) 2005 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11 //
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  20 // USA.
  21
  22 #include <pthread.h>
  23 #include <dlfcn.h>
  24 #include <errno.h>
  25 #include <stdio.h>
  26 #include <string.h>
  27
  28 // NB: This must be compiled and linked as a "C" executable.
  29 static void* run(void* arg)
  30 {
  31   typedef void (*function_type) (void);
  32   void* lib;
  33   void (*cb)();
  34
  35   lib = dlopen("./testsuite_shared.so", RTLD_NOW);
  36   if (lib == NULL)
  37     {
  38       printf("dlopen failed: %s\n", strerror(errno));
  39       return NULL;
  40     }
  41   cb = (function_type) dlsym(lib, "try_throw_exception");
  42   if (cb == NULL)
  43     {
  44       printf("dlsym failed: %s\n", strerror(errno));
  45       return NULL;
  46     }
  47   cb();
  48   dlclose(lib);
  49   return NULL;
  50 }
  51
  52 // libstdc++/23591
  53 int main(void)
  54 {
  55   pthread_t pt;
  56
  57   if (pthread_create(&pt, NULL, &run, NULL) != 0)
  58     return 1;
  59   if (pthread_join(pt, NULL) != 0)
  60     return 1;
  61
  62   return 0;
  63 }