sysdeps/pthread/tst-cancel25.c

   1 #include <pthread.h>
   2 #include <signal.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <internal-signals.h>
   6
   7
   8 static pthread_barrier_t b;
   9 static pthread_t th2;
  10
  11
  12 static void *
  13 tf2 (void *arg)
  14 {
  15   sigset_t mask;
  16   if (pthread_sigmask (SIG_SETMASK, NULL, &mask) != 0)
  17     {
  18       puts ("pthread_sigmask failed");
  19       exit (1);
  20     }
  21 #ifdef SIGCANCEL
  22   if (sigismember (&mask, SIGCANCEL))
  23     {
  24       puts ("SIGCANCEL blocked in new thread");
  25       exit (1);
  26     }
  27 #endif
  28
  29   /* Sync with the main thread so that we do not test anything else.  */
  30   int e = pthread_barrier_wait (&b);
  31   if (e != 0  && e != PTHREAD_BARRIER_SERIAL_THREAD)
  32     {
  33       puts ("barrier_wait failed");
  34       exit (1);
  35     }
  36
  37   while (1)
  38     {
  39       /* Just a cancelable call.  */
  40       struct timespec ts = { 10000, 0 };
  41       nanosleep (&ts, 0);
  42     }
  43
  44   return NULL;
  45 }
  46
  47
  48 static void
  49 unwhand (void *arg)
  50 {
  51   if (pthread_create (&th2, NULL, tf2, NULL) != 0)
  52     {
  53       puts ("unwhand: create failed");
  54       exit (1);
  55     }
  56 }
  57
  58
  59 static void *
  60 tf (void *arg)
  61 {
  62   pthread_cleanup_push (unwhand, NULL);
  63
  64   /* Sync with the main thread so that we do not test anything else.  */
  65   int e = pthread_barrier_wait (&b);
  66   if (e != 0  && e != PTHREAD_BARRIER_SERIAL_THREAD)
  67     {
  68       puts ("barrier_wait failed");
  69       exit (1);
  70     }
  71
  72   while (1)
  73     {
  74       /* Just a cancelable call.  */
  75       struct timespec ts = { 10000, 0 };
  76       nanosleep (&ts, 0);
  77     }
  78
  79   pthread_cleanup_pop (0);
  80
  81   return NULL;
  82 }
  83
  84
  85 static int
  86 do_test (void)
  87 {
  88   if (pthread_barrier_init (&b, NULL, 2) != 0)
  89     {
  90       puts ("barrier_init failed");
  91       return 1;
  92     }
  93
  94   pthread_t th1;
  95   if (pthread_create (&th1, NULL, tf, NULL) != 0)
  96     {
  97       puts ("create failed");
  98       return 1;
  99     }
 100
 101   int e = pthread_barrier_wait (&b);
 102   if (e != 0  && e != PTHREAD_BARRIER_SERIAL_THREAD)
 103     {
 104       puts ("barrier_wait failed");
 105       return 1;
 106     }
 107
 108   /* Make sure tf1 enters nanosleep.  */
 109   struct timespec ts = { 0, 500000000 };
 110   while (nanosleep (&ts, &ts) != 0)
 111     ;
 112
 113   if (pthread_cancel (th1) != 0)
 114     {
 115       puts ("1st cancel failed");
 116       return 1;
 117     }
 118
 119   void *res;
 120   if (pthread_join (th1, &res) != 0)
 121     {
 122       puts ("1st join failed");
 123       return 1;
 124     }
 125   if (res != PTHREAD_CANCELED)
 126     {
 127       puts ("1st thread not canceled");
 128       return 1;
 129     }
 130
 131   e = pthread_barrier_wait (&b);
 132   if (e != 0  && e != PTHREAD_BARRIER_SERIAL_THREAD)
 133     {
 134       puts ("barrier_wait failed");
 135       return 1;
 136     }
 137
 138   /* Make sure tf2 enters nanosleep.  */
 139   ts.tv_sec = 0;
 140   ts.tv_nsec = 500000000;
 141   while (nanosleep (&ts, &ts) != 0)
 142     ;
 143
 144   puts ("calling pthread_cancel the second time");
 145   if (pthread_cancel (th2) != 0)
 146     {
 147       puts ("2nd cancel failed");
 148       return 1;
 149     }
 150
 151   puts ("calling pthread_join the second time");
 152   if (pthread_join (th2, &res) != 0)
 153     {
 154       puts ("2nd join failed");
 155       return 1;
 156     }
 157   if (res != PTHREAD_CANCELED)
 158     {
 159       puts ("2nd thread not canceled");
 160       return 1;
 161     }
 162
 163   if (pthread_barrier_destroy (&b) != 0)
 164     {
 165       puts ("barrier_destroy failed");
 166       return 0;
 167     }
 168
 169   return 0;
 170 }
 171
 172 #define TEST_FUNCTION do_test ()
 173 #include "../test-skeleton.c"