Branch data     Line data    Source code

       1                 :            : /* Test of gl_thread_create () macro.
       2                 :            :    Copyright (C) 2011-2012 Free Software Foundation, Inc.
       3                 :            : 
       4                 :            :    This program is free software: you can redistribute it and/or modify
       5                 :            :    it under the terms of the GNU General Public License as published by
       6                 :            :    the Free Software Foundation; either version 3 of the License, or
       7                 :            :    (at your option) any later version.
       8                 :            : 
       9                 :            :    This program is distributed in the hope that it will be useful,
      10                 :            :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      11                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12                 :            :    GNU General Public License for more details.
      13                 :            : 
      14                 :            :    You should have received a copy of the GNU General Public License
      15                 :            :    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
      16                 :            : 
      17                 :            : /* Written by Bruno Haible <bruno@clisp.org>, 2011.  */
      18                 :            : 
      19                 :            : #include <config.h>
      20                 :            : 
      21                 :            : #include "glthread/thread.h"
      22                 :            : 
      23                 :            : #include <stdio.h>
      24                 :            : #include <string.h>
      25                 :            : 
      26                 :            : #include "macros.h"
      27                 :            : 
      28                 :            : static gl_thread_t main_thread_before;
      29                 :            : static gl_thread_t main_thread_after;
      30                 :            : static gl_thread_t worker_thread;
      31                 :            : 
      32                 :            : static int dummy;
      33                 :            : static volatile int work_done;
      34                 :            : 
      35                 :            : static void *
      36                 :          1 : worker_thread_func (void *arg)
      37                 :            : {
      38                 :          1 :   work_done = 1;
      39                 :          1 :   return &dummy;
      40                 :            : }
      41                 :            : 
      42                 :            : int
      43                 :          1 : main ()
      44                 :            : {
      45         [ +  - ]:          1 :   main_thread_before = gl_thread_self ();
      46                 :            : 
      47 [ +  - ][ +  - ]:          1 :   if (glthread_create (&worker_thread, worker_thread_func, NULL) == 0)
      48                 :            :     {
      49                 :            :       void *ret;
      50                 :            : 
      51                 :            :       /* Check that gl_thread_self () has the same value before than after the
      52                 :            :          first call to gl_thread_create ().  */
      53         [ +  - ]:          1 :       main_thread_after = gl_thread_self ();
      54         [ -  + ]:          1 :       ASSERT (memcmp (&main_thread_before, &main_thread_after,
      55                 :            :                       sizeof (gl_thread_t))
      56                 :            :               == 0);
      57                 :            : 
      58 [ +  - ][ -  + ]:          1 :       gl_thread_join (worker_thread, &ret);
      59                 :            : 
      60                 :            :       /* Check the return value of the thread.  */
      61         [ -  + ]:          1 :       ASSERT (ret == &dummy);
      62                 :            : 
      63                 :            :       /* Check that worker_thread_func () has finished executing.  */
      64         [ -  + ]:          1 :       ASSERT (work_done);
      65                 :            : 
      66                 :          1 :       return 0;
      67                 :            :     }
      68                 :            :   else
      69                 :            :     {
      70                 :            : #if USE_POSIX_THREADS || USE_SOLARIS_THREADS || USE_PTH_THREADS || USE_WINDOWS_THREADS
      71                 :          0 :       fputs ("glthread_create failed\n", stderr);
      72                 :          1 :       return 1;
      73                 :            : #else
      74                 :            :       fputs ("Skipping test: multithreading not enabled\n", stderr);
      75                 :            :       return 77;
      76                 :            : #endif
      77                 :            :     }
      78                 :            : }