Re: Hang in threads.test

[Neil Jerram]

l...@gnu.org (Ludovic Courtès) writes:

> Could you run the program that I posted and report back?

That program runs fine for me - except only 100% because I have a single
core.

I also modified it to add continual thread creation and destruction
(attached), and it was still fine.

Any further ideas?  I'll also continue playing with this...

    Neil


#define GC_THREADS 1
#define GC_REDIRECT_TO_LOCAL 1

#include <gc/gc.h>

#include <pthread.h>
#include <stdlib.h>

void *a;

static void *
alloc_thread (void *data)
{
  while (1)
    a = GC_MALLOC_ATOMIC (123);
  return NULL;
}

static void *
gc_thread (void *data)
{
  while (1)
    GC_gcollect ();
  return NULL;
}

static void *
creator_thread (void *data)
{
  pthread_t child;

  pthread_create (&child, NULL, creator_thread, NULL);
  usleep (random() % 10000);

  return NULL;
}

int
main (int argc, char *argv[])
{
  pthread_t alloc, gc;

  GC_INIT ();

  pthread_create (&alloc, NULL, alloc_thread, NULL);
  pthread_create (&gc, NULL, gc_thread, NULL);
  (void) creator_thread (NULL);

  while (1);

  return EXIT_SUCCESS;
}