libstdc++-v3/testsuite/30_threads/shared_lock/locking/2.cc

   1 // { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } }
   2 // { dg-options " -std=gnu++1y -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* powerpc-ibm-aix* } }
   3 // { dg-options " -std=gnu++1y -pthreads" { target *-*-solaris* } }
   4 // { dg-options " -std=gnu++1y " { target *-*-cygwin *-*-darwin* } }
   5 // { dg-require-cstdint "" }
   6 // { dg-require-gthreads "" }
   7
   8 // Copyright (C) 2013 Free Software Foundation, Inc.
   9 //
  10 // This file is part of the GNU ISO C++ Library.  This library is free
  11 // software; you can redistribute it and/or modify it under the
  12 // terms of the GNU General Public License as published by the
  13 // Free Software Foundation; either version 3, or (at your option)
  14 // any later version.
  15
  16 // This library is distributed in the hope that it will be useful,
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 // GNU General Public License for more details.
  20
  21 // You should have received a copy of the GNU General Public License along
  22 // with this library; see the file COPYING3.  If not see
  23 // <http://www.gnu.org/licenses/>.
  24
  25
  26 #include <shared_mutex>
  27 #include <system_error>
  28 #include <testsuite_hooks.h>
  29
  30 void test01()
  31 {
  32   bool test __attribute__((unused)) = true;
  33   typedef std::shared_mutex mutex_type;
  34   typedef std::shared_lock<mutex_type> lock_type;
  35
  36   try
  37     {
  38       lock_type l;
  39
  40       // Lock shared_lock w/o mutex
  41       try
  42         {
  43           l.lock();
  44         }
  45       catch (const std::system_error& ex)
  46         {
  47           VERIFY( ex.code() == std::make_error_code
  48                   (std::errc::operation_not_permitted) );
  49         }
  50       catch (...)
  51         {
  52           VERIFY( false );
  53         }
  54     }
  55   catch (const std::system_error& e)
  56     {
  57       VERIFY( false );
  58     }
  59   catch (...)
  60     {
  61       VERIFY( false );
  62     }
  63 }
  64
  65
  66 void test02()
  67 {
  68   bool test __attribute__((unused)) = true;
  69   typedef std::shared_mutex mutex_type;
  70   typedef std::shared_lock<mutex_type> lock_type;
  71
  72   try
  73     {
  74       mutex_type m;
  75       lock_type l(m);
  76
  77       // Lock already locked shared_lock.
  78       try
  79         {
  80           l.lock();
  81         }
  82       catch (const std::system_error& ex)
  83         {
  84           VERIFY( ex.code() == std::make_error_code
  85                   (std::errc::resource_deadlock_would_occur) );
  86         }
  87       catch (...)
  88         {
  89           VERIFY( false );
  90         }
  91     }
  92   catch (const std::system_error& e)
  93     {
  94       VERIFY( false );
  95     }
  96   catch (...)
  97     {
  98       VERIFY( false );
  99     }
 100 }
 101
 102 int main()
 103 {
 104   test01();
 105   test02();
 106 }