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glibc  2.9
tst-cancel10.c
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00001 /* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <pthread.h>
00021 #include <stdio.h>
00022 #include <stdlib.h>
00023 #include <string.h>
00024 
00025 
00026 static void
00027 cleanup (void *arg)
00028 {
00029   /* Just for fun.  */
00030   if (pthread_cancel (pthread_self ()) != 0)
00031     {
00032       puts ("cleanup: cancel failed");
00033       exit (1);
00034     }
00035 
00036   printf ("cleanup for %ld\n", (long int) arg);
00037 }
00038 
00039 
00040 static void *
00041 tf (void *arg)
00042 {
00043   long int n = (long int) arg;
00044 
00045   pthread_cleanup_push (cleanup, arg);
00046 
00047   if (pthread_setcanceltype ((n & 1) == 0
00048                           ? PTHREAD_CANCEL_DEFERRED
00049                           : PTHREAD_CANCEL_ASYNCHRONOUS, NULL) != 0)
00050     {
00051       puts ("setcanceltype failed");
00052       exit (1);
00053     }
00054 
00055   if (pthread_cancel (pthread_self ()) != 0)
00056     {
00057       puts ("cancel failed");
00058       exit (1);
00059     }
00060 
00061   pthread_testcancel ();
00062 
00063   /* We should never come here.  */
00064 
00065   pthread_cleanup_pop (0);
00066 
00067   return NULL;
00068 }
00069 
00070 
00071 static int
00072 do_test (void)
00073 {
00074   pthread_attr_t at;
00075 
00076   if (pthread_attr_init (&at) != 0)
00077     {
00078       puts ("attr_init failed");
00079       return 1;
00080     }
00081 
00082   if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
00083     {
00084       puts ("attr_setstacksize failed");
00085       return 1;
00086     }
00087 
00088 #define N 20
00089   int i;
00090   pthread_t th[N];
00091 
00092   for (i = 0; i < N; ++i)
00093     if (pthread_create (&th[i], &at, tf, (void *) (long int) i) != 0)
00094       {
00095        puts ("create failed");
00096        exit (1);
00097       }
00098 
00099   if (pthread_attr_destroy (&at) != 0)
00100     {
00101       puts ("attr_destroy failed");
00102       return 1;
00103     }
00104 
00105   for (i = 0; i < N; ++i)
00106     {
00107       void *r;
00108       if (pthread_join (th[i], &r) != 0)
00109        {
00110          puts ("join failed");
00111          exit (1);
00112        }
00113 
00114       if (r != PTHREAD_CANCELED)
00115        {
00116          puts ("thread not canceled");
00117          exit (1);
00118        }
00119     }
00120 
00121   return 0;
00122 }
00123 
00124 
00125 #define TEST_FUNCTION do_test ()
00126 #include "../test-skeleton.c"