drmHandleEvent (3)
Leading comments
Title: drmHandleEvent
Author: David Herrmann <dh.herrmann@googlemail.com>
Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
Date: September 2012
Manual: Direct Rendering Manager
Source: libdrm
Language: English
NAME
drmHandleEvent - read and process pending DRM eventsSYNOPSIS
#include <xf86drm.h>
- int drmHandleEvent(int fd, drmEventContextPtr evctx);
DESCRIPTION
drmHandleEvent
-
typedef struct _drmEventContext { int version; void (*vblank_handler) (int fd, unsigned int sequence, unsigned int tv_sec, unsigned int tv_usec, void *user_data) void (*page_flip_handler) (int fd, unsigned int sequence, unsigned int tv_sec, unsigned int tv_usec, void *user_data) } drmEventContext, *drmEventContextPtr;
RETURN VALUE
drmHandleEvent returns 0 on success, or if there is no data to read from the file-descriptor. Returns -1 if the read on the file-descriptor fails or returns less than a full event record.
REPORTING BUGS
Bugs in this function should be reported to bugs.freedesktop.org under the "Mesa" product, with "Other" or "libdrm" as the component.
SEE ALSO
drm(7), drm-kms(7), drmModePageFlip(3), drmWaitVBlank(3)