nptl/tst-basic6.c

   1 /* Copyright (C) 2003 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <pthread.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <unistd.h>
  25
  26
  27 static char *p;
  28
  29 static pthread_barrier_t b;
  30 #define BT \
  31   e = pthread_barrier_wait (&b);                                              \
  32   if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)                           \
  33     {                                                                         \
  34       puts ("barrier_wait failed");                                           \
  35       exit (1);                                                               \
  36     }
  37
  38
  39 static void *
  40 tf (void *a)
  41 {
  42   int e;
  43
  44   BT;
  45
  46   char *p2 = getcwd (NULL, 0);
  47   if (p2 == NULL)
  48     {
  49       puts ("2nd getcwd failed");
  50       exit (1);
  51     }
  52
  53   if (strcmp (p, p2) != 0)
  54     {
  55       printf ("initial cwd mismatch: \"%s\" vs \"%s\"\n", p, p2);
  56       exit (1);
  57     }
  58
  59   free (p);
  60   free (p2);
  61
  62   if (chdir ("..") != 0)
  63     {
  64       puts ("chdir failed");
  65       exit (1);
  66     }
  67
  68   p = getcwd (NULL, 0);
  69   if (p == NULL)
  70     {
  71       puts ("getcwd failed");
  72       exit (1);
  73     }
  74
  75   return a;
  76 }
  77
  78
  79 int
  80 do_test (void)
  81 {
  82   if (pthread_barrier_init (&b, NULL, 2) != 0)
  83     {
  84       puts ("barrier_init failed");
  85       exit (1);
  86     }
  87
  88   pthread_t th;
  89   if (pthread_create (&th, NULL, tf, NULL) != 0)
  90     {
  91       puts ("create failed");
  92       exit (1);
  93     }
  94
  95   p = getcwd (NULL, 0);
  96   if (p == NULL)
  97     {
  98       puts ("getcwd failed");
  99       exit (1);
 100     }
 101
 102   int e;
 103   BT;
 104
 105   if (pthread_join (th, NULL) != 0)
 106     {
 107       puts ("join failed");
 108       exit (1);
 109     }
 110
 111   char *p2 = getcwd (NULL, 0);
 112   if (p2 == NULL)
 113     {
 114       puts ("2nd getcwd failed");
 115       exit (1);
 116     }
 117
 118   if (strcmp (p, p2) != 0)
 119     {
 120       printf ("cwd after chdir mismatch: \"%s\" vs \"%s\"\n", p, p2);
 121       exit (1);
 122     }
 123
 124   free (p);
 125   free (p2);
 126
 127   return 0;
 128 }
 129
 130
 131 #define TEST_FUNCTION do_test ()
 132 #include "../test-skeleton.c"