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glibc  2.9
Defines | Functions
tst-join5.c File Reference
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <sys/syscall.h>
#include "../test-skeleton.c"
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Defines

#define wait_code()
#define TEST_FUNCTION   do_test ()

Functions

static void * tf1 (void *arg)
static void * tf2 (void *arg)
static int do_test (void)

Define Documentation

#define TEST_FUNCTION   do_test ()

Definition at line 207 of file tst-join5.c.

#define wait_code ( )
Value:
do {                                                                 \
    struct timespec ts = { .tv_sec = 0, .tv_nsec = 200000000 };                    \
    while (syscall (__NR_nanosleep, &ts, &ts) < 0)                          \
      /* nothing */;                                                 \
  } while (0)

Definition at line 29 of file tst-join5.c.


Function Documentation

static int do_test ( void  ) [static]

Definition at line 82 of file tst-join5.c.

{
#ifdef WAIT_IN_CHILD
  if (pthread_barrier_init (&b, NULL, 2) != 0)
    {
      puts ("barrier_init failed");
      return 1;
    }
#endif

  pthread_t th;

  int err = pthread_join (pthread_self (), NULL);
  if (err == 0)
    {
      puts ("1st circular join succeeded");
      return 1;
    }
  if (err != EDEADLK)
    {
      printf ("1st circular join %d, not EDEADLK\n", err);
      return 1;
    }

  if (pthread_create (&th, NULL, tf1, (void *) pthread_self ()) != 0)
    {
      puts ("1st create failed");
      return 1;
    }

#ifndef WAIT_IN_CHILD
  wait_code ();
#endif

  if (pthread_cancel (th) != 0)
    {
      puts ("cannot cancel 1st thread");
      return 1;
    }

#ifdef WAIT_IN_CHILD
  int e = pthread_barrier_wait (&b);
  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
    {
      printf ("%s: barrier_wait failed\n", __func__);
      return 1;
    }
#endif

  void *r;
  err = pthread_join (th, &r);
  if (err != 0)
    {
      printf ("cannot join 1st thread: %d\n", err);
      return 1;
    }
  if (r != PTHREAD_CANCELED)
    {
      puts ("1st thread not canceled");
      return 1;
    }

  err = pthread_join (pthread_self (), NULL);
  if (err == 0)
    {
      puts ("2nd circular join succeeded");
      return 1;
    }
  if (err != EDEADLK)
    {
      printf ("2nd circular join %d, not EDEADLK\n", err);
      return 1;
    }

  if (pthread_create (&th, NULL, tf2, (void *) pthread_self ()) != 0)
    {
      puts ("2nd create failed");
      return 1;
    }

#ifndef WAIT_IN_CHILD
  wait_code ();
#endif

  if (pthread_cancel (th) != 0)
    {
      puts ("cannot cancel 2nd thread");
      return 1;
    }

#ifdef WAIT_IN_CHILD
  e = pthread_barrier_wait (&b);
  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
    {
      printf ("%s: barrier_wait failed\n", __func__);
      return 1;
    }
#endif

  if (pthread_join (th, &r) != 0)
    {
      puts ("cannot join 2nd thread");
      return 1;
    }
  if (r != PTHREAD_CANCELED)
    {
      puts ("2nd thread not canceled");
      return 1;
    }

  err = pthread_join (pthread_self (), NULL);
  if (err == 0)
    {
      puts ("3rd circular join succeeded");
      return 1;
    }
  if (err != EDEADLK)
    {
      printf ("3rd circular join %d, not EDEADLK\n", err);
      return 1;
    }

  return 0;
}

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static void* tf1 ( void *  arg) [static]

Definition at line 43 of file tst-join5.c.

{
#ifdef WAIT_IN_CHILD
  int e = pthread_barrier_wait (&b);
  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
    {
      printf ("%s: barrier_wait failed\n", __func__);
      exit (1);
    }

  wait_code ();
#endif

  pthread_join ((pthread_t) arg, NULL);

  exit (42);
}

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static void* tf2 ( void *  arg) [static]

Definition at line 63 of file tst-join5.c.

{
#ifdef WAIT_IN_CHILD
  int e = pthread_barrier_wait (&b);
  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
    {
      printf ("%s: barrier_wait failed\n", __func__);
      exit (1);
    }

  wait_code ();
#endif
  pthread_join ((pthread_t) arg, NULL);

  exit (43);
}

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