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Re: Hang in threads.test

From: Neil Jerram
Subject: Re: Hang in threads.test
Date: Mon, 27 Sep 2010 21:58:27 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

address@hidden (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

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...


#define GC_THREADS 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;

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;

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