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glibc  2.9
Defines | Functions | Variables
tst-cancel22.c File Reference
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "../test-skeleton.c"
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Defines

#define TIMEOUT   5
#define TEST_FUNCTION   do_test ()

Functions

static void * tf (void *arg)
static int do_test (void)

Variables

pthread_barrier_t b
int seen

Define Documentation

#define TEST_FUNCTION   do_test ()

Definition at line 120 of file tst-cancel22.c.

#define TIMEOUT   5

Definition at line 119 of file tst-cancel22.c.


Function Documentation

static int do_test ( void  ) [static]

Definition at line 64 of file tst-cancel22.c.

{
  if (pthread_barrier_init (&b, NULL, 2) != 0)
   {
     puts ("barrier init failed");
     return 1;
   }

  pthread_t th;
  if (pthread_create (&th, NULL, tf, NULL) != 0)
    {
      puts ("thread creation failed");
      return 1;
    }

  int r = pthread_barrier_wait (&b);
  if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
    {
      puts ("barrier_wait failed");
      return 1;
    }

  if (pthread_cancel (th) != 0)
    {
      puts ("cancel failed");
      return 1;
    }

  void *status;
  if (pthread_join (th, &status) != 0)
    {
      puts ("join failed");
      return 1;
    }
  if (status != PTHREAD_CANCELED)
    {
      puts ("thread not canceled");
      return 1;
    }

  if (pthread_barrier_destroy (&b) != 0)
    {
      puts ("barrier_destroy failed");
      return 1;
    }

  if (seen != 1)
    {
      puts ("thread cancelled when PTHREAD_CANCEL_DISABLED");
      return 1;
    }

  return 0;
}

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static void* tf ( void *  arg) [static]

Definition at line 30 of file tst-cancel22.c.

{
  int old;
  int r = pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &old);
  if (r != 0)
    {
      puts ("setcancelstate failed");
      exit (1);
    }

  r = pthread_barrier_wait (&b);
  if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
    {
      puts ("barrier_wait failed");
      exit (1);
    }

  for (int i = 0; i < 10; ++i)
    {
      struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
      TEMP_FAILURE_RETRY (nanosleep (&ts, &ts));
    }

  seen = 1;
  pthread_setcancelstate (old, NULL);

  struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
  TEMP_FAILURE_RETRY (nanosleep (&ts, &ts));

  exit (1);
}

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Variable Documentation

pthread_barrier_t b

Definition at line 26 of file tst-cancel22.c.

Definition at line 27 of file tst-cancel22.c.