screen_wait_vsync()

Updated: May 27, 2022

Block the calling thread until the next vsync happens on the specified display

Synopsis:

#include <screen/screen.h>
int screen_wait_vsync(screen_display_t display)

Arguments:

display
An instance of the display on which to perform the vsync operation.

Library:

libscreen

Description:

Function Type: Immediate Execution

This function blocks the calling thread and returns when the next vsync operation occurs on the specified display.

Returns:

0 if successful, or -1 if an error occurred (errno is set; refer to errno.h for more details).