C++ (Cpp) pthread_call_handlers Beispiele

Beispiel #1

Datei: ptfork.c Projekt: qwerty1023/wive-rtnl-firmware

pid_t __fork(void)
{
  pid_t pid;
  struct handler_list * prepare, * child, * parent;

  pthread_mutex_lock(&pthread_atfork_lock);
  prepare = pthread_atfork_prepare;
  child = pthread_atfork_child;
  parent = pthread_atfork_parent;
  pthread_mutex_unlock(&pthread_atfork_lock);
  pthread_call_handlers(prepare);

#warning hack alert
  __MALLOC_LOCK;

  pid = __libc_fork();

#warning hack alert
  __MALLOC_UNLOCK;

  if (pid == 0) {
    __pthread_reset_main_thread();
#warning need to reconsider __fresetlockfiles!
    __fresetlockfiles();
    pthread_call_handlers(child);
  } else {
    pthread_call_handlers(parent);
  }
  return pid;
}

Beispiel #2

Datei: ptfork.c Projekt: Jaden-J/uClibc

static pid_t __fork(void)
{
  pid_t pid;
  struct handler_list * prepare, * child, * parent;

  __pthread_mutex_lock(&pthread_atfork_lock);
  prepare = pthread_atfork_prepare;
  child = pthread_atfork_child;
  parent = pthread_atfork_parent;
  pthread_call_handlers(prepare);

  __pthread_once_fork_prepare();
#ifdef __MALLOC__
  __pthread_mutex_lock(&__malloc_sbrk_lock);
  __pthread_mutex_lock(&__malloc_heap_lock);
#ifdef __UCLIBC_UCLINUX_BROKEN_MUNMAP__
  __pthread_mutex_lock(&__malloc_mmb_heap_lock);
#endif
#elif defined(__MALLOC_STANDARD__) || defined(__MALLOC_SIMPLE__)
  __pthread_mutex_lock(&__malloc_lock);
#endif

  pid = __libc_fork();
  if (pid == 0) {
#if defined(__MALLOC_STANDARD__) || defined(__MALLOC_SIMPLE__)
    __libc_lock_init_recursive(__malloc_lock);
#elif defined(__MALLOC__)
#ifdef __UCLIBC_UCLINUX_BROKEN_MUNMAP__
    __libc_lock_init_adaptive(__malloc_mmb_heap_lock);
#endif
    __libc_lock_init_adaptive(__malloc_heap_lock);
    __libc_lock_init(__malloc_sbrk_lock);
#endif
    __libc_lock_init_adaptive(pthread_atfork_lock);
    __pthread_reset_main_thread();
    __fresetlockfiles();
    __pthread_once_fork_child();
    pthread_call_handlers(child);
  } else {
#if defined(__MALLOC_STANDARD__) || defined(__MALLOC_SIMPLE__)
    __pthread_mutex_unlock(&__malloc_lock);
#elif defined(__MALLOC__)
#ifdef __UCLIBC_UCLINUX_BROKEN_MUNMAP__
    __pthread_mutex_unlock(&__malloc_mmb_heap_lock);
#endif
    __pthread_mutex_unlock(&__malloc_heap_lock);
    __pthread_mutex_unlock(&__malloc_sbrk_lock);
#endif
    __pthread_mutex_unlock(&pthread_atfork_lock);
    __pthread_once_fork_parent();
    pthread_call_handlers(parent);
  }
  return pid;
}

Beispiel #3

Datei: fork.c Projekt: AllenDou/linuxthreads

int fork(void)
{
  int pid;
  struct handler_list * prepare, * child, * parent;

  pthread_mutex_lock(&pthread_atfork_lock);
  prepare = pthread_atfork_prepare;
  child = pthread_atfork_child;
  parent = pthread_atfork_parent;
  pthread_mutex_unlock(&pthread_atfork_lock);
  pthread_call_handlers(prepare);
  pid = __fork();
  if (pid == 0) {
    __pthread_reset_main_thread();
    __fresetlockfiles();
    pthread_call_handlers(child);
  } else {
    pthread_call_handlers(parent);
  }
  return pid;
}