| ![[Previous]](../prev.gif) | ![[Contents]](../contents.gif) | ![[Next]](../next.gif) | 
|  | This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs. | 
Wait until a mode change has been completed
#include <sys/pmm.h> pm_power_mode_t pmm_mode_wait(pmm_node_t *node);
libc
This call is used to wait until a mode change has been completed:
If no mode change is in progress, this call returns immediately. Otherwise, it blocks until either:
On return, this function call returns the current power mode of the node.
| Safety: | |
|---|---|
| Cancellation point | Yes | 
| Interrupt handler | No | 
| Signal handler | Yes | 
| Thread | Yes | 
| ![[Previous]](../prev.gif) | ![[Contents]](../contents.gif) | ![[Next]](../next.gif) |