Exemplo n.º 1
0
Arquivo: main.c Projeto: Sciumo/minix
/*===========================================================================*
 *			       do_async_dev_result			     *
 *===========================================================================*/
static void *do_async_dev_result(void *arg)
{
  endpoint_t endpt;
  struct job my_job;

  my_job = *((struct job *) arg);
  fp = my_job.j_fp;

  /* An asynchronous character driver has results for us */
  if (job_call_nr == DEV_REVIVE) {
	endpt = job_m_in.REP_ENDPT;
	if (endpt == VFS_PROC_NR)
		endpt = find_suspended_ep(job_m_in.m_source,
					  job_m_in.REP_IO_GRANT);

	if (endpt == NONE) {
		printf("VFS: proc with grant %d from %d not found\n",
			job_m_in.REP_IO_GRANT, job_m_in.m_source);
	} else if (job_m_in.REP_STATUS == SUSPEND) {
		printf("VFS: got SUSPEND on DEV_REVIVE: not reviving proc\n");
	} else
		revive(endpt, job_m_in.REP_STATUS);
  }
  else if (job_call_nr == DEV_OPEN_REPL) open_reply();
  else if (job_call_nr == DEV_REOPEN_REPL) reopen_reply();
  else if (job_call_nr == DEV_CLOSE_REPL) close_reply();
  else if (job_call_nr == DEV_SEL_REPL1)
	select_reply1(job_m_in.m_source, job_m_in.DEV_MINOR,
		      job_m_in.DEV_SEL_OPS);
  else if (job_call_nr == DEV_SEL_REPL2)
	select_reply2(job_m_in.m_source, job_m_in.DEV_MINOR,
		      job_m_in.DEV_SEL_OPS);

  if (deadlock_resolving) {
	if (fp != NULL && fp->fp_wtid == dl_worker.w_tid)
		deadlock_resolving = 0;
  }

  if (fp != NULL && (fp->fp_flags & FP_SYS_PROC)) {
	struct vmnt *vmp;

	if ((vmp = find_vmnt(fp->fp_endpoint)) != NULL)
		vmp->m_flags &= ~VMNT_CALLBACK;
  }

  thread_cleanup(NULL);
  return(NULL);
}
Exemplo n.º 2
0
/*===========================================================================*
 *			       do_async_dev_result			     *
 *===========================================================================*/
static void *do_async_dev_result(void *arg)
{
  endpoint_t endpt;
  struct job my_job;

  my_job = *((struct job *) arg);
  fp = my_job.j_fp;

  /* An asynchronous character driver has results for us */
  if (job_call_nr == DEV_REVIVE) {
	endpt = job_m_in.REP_ENDPT;
	if (endpt == VFS_PROC_NR)
		endpt = find_suspended_ep(job_m_in.m_source,
					  job_m_in.REP_IO_GRANT);

	if (endpt == NONE) {
		printf("VFS: proc with grant %d from %d not found\n",
			job_m_in.REP_IO_GRANT, job_m_in.m_source);
	} else if (job_m_in.REP_STATUS == SUSPEND) {
		printf("VFS: got SUSPEND on DEV_REVIVE: not reviving proc\n");
	} else
		revive(endpt, job_m_in.REP_STATUS);
  }
  else if (job_call_nr == DEV_OPEN_REPL) open_reply();
  else if (job_call_nr == DEV_REOPEN_REPL) reopen_reply();
  else if (job_call_nr == DEV_CLOSE_REPL) close_reply();
  else if (job_call_nr == DEV_SEL_REPL1)
	select_reply1(job_m_in.m_source, job_m_in.DEV_MINOR,
		      job_m_in.DEV_SEL_OPS);
  else if (job_call_nr == DEV_SEL_REPL2)
	select_reply2(job_m_in.m_source, job_m_in.DEV_MINOR,
		      job_m_in.DEV_SEL_OPS);

  thread_cleanup(fp);
  return(NULL);
}