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glibc  2.9
tst-cancel3.c
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00001 /* Copyright (C) 2002 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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 <signal.h>
00022 #include <stdio.h>
00023 #include <unistd.h>
00024 
00025 
00026 static int fd[2];
00027 
00028 
00029 static void *
00030 tf (void *arg)
00031 {
00032   char buf[100];
00033 
00034   if (read (fd[0], buf, sizeof (buf)) == sizeof (buf))
00035     {
00036       puts ("read succeeded");
00037       return (void *) 1l;
00038     }
00039 
00040   return NULL;
00041 }
00042 
00043 
00044 static int
00045 do_test (void)
00046 {
00047   pthread_t th;
00048   void *r;
00049   struct sigaction sa;
00050 
00051   sa.sa_handler = SIG_IGN;
00052   sigemptyset (&sa.sa_mask);
00053   sa.sa_flags = 0;
00054 
00055   if (sigaction (SIGPIPE, &sa, NULL) != 0)
00056     {
00057       puts ("sigaction failed");
00058       return 1;
00059     }
00060 
00061   if (pipe (fd) != 0)
00062     {
00063       puts ("pipe failed");
00064       return 1;
00065     }
00066 
00067   if (pthread_create (&th, NULL, tf, NULL) != 0)
00068     {
00069       puts ("create failed");
00070       return 1;
00071     }
00072 
00073   if (pthread_cancel (th) != 0)
00074     {
00075       puts ("cancel failed");
00076       return 1;
00077     }
00078 
00079   /* This will cause the read in the child to return.  */
00080   close (fd[0]);
00081 
00082   if (pthread_join (th, &r) != 0)
00083     {
00084       puts ("join failed");
00085       return 1;
00086     }
00087 
00088   if (r != PTHREAD_CANCELED)
00089     {
00090       puts ("result is wrong");
00091       return 1;
00092     }
00093 
00094   return 0;
00095 }
00096 
00097 #define TEST_FUNCTION do_test ()
00098 #include "../test-skeleton.c"