int spawn_proxyattrs(FAR const posix_spawnattr_t *attr,
FAR const posix_spawn_file_actions_t *file_actions)
{
FAR struct spawn_general_file_action_s *entry;
int ret = OK;
/* Check if we need to change the signal mask */
#ifndef CONFIG_DISABLE_SIGNALS
if (attr && (attr->flags & POSIX_SPAWN_SETSIGMASK) != 0)
{
(void)sigprocmask(SIG_SETMASK, &attr->sigmask, NULL);
}
/* Were we also requested to perform file actions? */
if (file_actions)
#endif
{
/* Yes.. Execute each file action */
for (entry = (FAR struct spawn_general_file_action_s *)file_actions;
entry && ret == OK;
entry = entry->flink)
{
switch (entry->action)
{
case SPAWN_FILE_ACTION_CLOSE:
ret = spawn_close((FAR struct spawn_close_file_action_s *)entry);
break;
case SPAWN_FILE_ACTION_DUP2:
ret = spawn_dup2((FAR struct spawn_dup2_file_action_s *)entry);
break;
case SPAWN_FILE_ACTION_OPEN:
ret = spawn_open((FAR struct spawn_open_file_action_s *)entry);
break;
case SPAWN_FILE_ACTION_NONE:
default:
sdbg("ERROR: Unknown action: %d\n", entry->action);
ret = EINVAL;
break;
}
}
}
return ret;
}
static int spawn_proxy(int argc, char *argv[])
{
FAR struct spawn_general_file_action_s *entry;
FAR const posix_spawnattr_t *attr = g_ps_parms.attr;
int ret = OK;
/* Perform file actions and/or set a custom signal mask. We get here only
* if the file_actions parameter to posix_spawn[p] was non-NULL and/or the
* option to change the signal mask was selected.
*/
#ifndef CONFIG_DISABLE_SIGNALS
DEBUGASSERT((g_ps_parms.file_actions && *g_ps_parms.file_actions) ||
(attr && (attr->flags & POSIX_SPAWN_SETSIGMASK) != 0));
#else
DEBUGASSERT(g_ps_parms.file_actions && *g_ps_parms.file_actions);
#endif
/* Check if we need to change the signal mask */
#ifndef CONFIG_DISABLE_SIGNALS
if (attr && (attr->flags & POSIX_SPAWN_SETSIGMASK) != 0)
{
(void)sigprocmask(SIG_SETMASK, &attr->sigmask, NULL);
}
/* Were we also requested to perform file actions? */
if (g_ps_parms.file_actions)
#endif
{
/* Execute each file action */
for (entry = (FAR struct spawn_general_file_action_s *)*g_ps_parms.file_actions;
entry && ret == OK;
entry = entry->flink)
{
switch (entry->action)
{
case SPAWN_FILE_ACTION_CLOSE:
ret = spawn_close((FAR struct spawn_close_file_action_s *)entry);
break;
case SPAWN_FILE_ACTION_DUP2:
ret = spawn_dup2((FAR struct spawn_dup2_file_action_s *)entry);
break;
case SPAWN_FILE_ACTION_OPEN:
ret = spawn_open((FAR struct spawn_open_file_action_s *)entry);
break;
case SPAWN_FILE_ACTION_NONE:
default:
sdbg("ERROR: Unknown action: %d\n", entry->action);
ret = EINVAL;
break;
}
}
}
/* Check for failures */
if (ret == OK)
{
/* Start the task */
ret = spawn_exec(g_ps_parms.pid, g_ps_parms.path, attr,
g_ps_parms.argv);
#ifdef CONFIG_SCHED_HAVE_PARENT
if (ret == OK)
{
/* Change of the parent of the task we just spawned to our parent.
* What should we do in the event of a failure?
*/
int tmp = task_reparent(0, *g_ps_parms.pid);
if (tmp < 0)
{
sdbg("ERROR: task_reparent() failed: %d\n", tmp);
}
}
#endif
}
/* Post the semaphore to inform the parent task that we have completed
* what we need to do.
*/
g_ps_parms.result = ret;
#ifndef CONFIG_SCHED_WAITPID
spawn_semgive(&g_ps_execsem);
#endif
return OK;
}
void spawn_voxopen(widget *x)
{
spawn_open(NULL);
}