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Diffstat (limited to 'man/drmHandleEvent.man')
| -rw-r--r-- | man/drmHandleEvent.man | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/man/drmHandleEvent.man b/man/drmHandleEvent.man new file mode 100644 index 00000000..b98f417d --- /dev/null +++ b/man/drmHandleEvent.man @@ -0,0 +1,45 @@ +.\" shorthand for double quote that works everywhere. +.ds q \N'34' +.TH drmHandleEvent __drivermansuffix__ __vendorversion__ +.SH NAME +drmHandleEvent \- read and process pending DRM events +.SH SYNOPSIS +.nf +.B "#include <xf86drm.h>" + +.B "typedef struct _drmEventContext {" +.BI " int version;" +.BI " void (*vblank_handler)(int fd," +.BI " unsigned int sequence," +.BI " unsigned int tv_sec," +.BI " unsigned int tv_usec," +.BI " void *user_data);" +.BI " void (*page_flip_handler)(int fd," +.BI " unsigned int sequence," +.BI " unsigned int tv_sec," +.BI " unsigned int tv_usec," +.BI " void *user_data);" +.B "} drmEventContext, *drmEventContextPtr;" + +.B "int drmHandleEvent(int fd, drmEventContextPtr evctx);" +.fi +.SH DESCRIPTION +This function will process outstanding DRM events on +.I fd +, which must be an open DRM device. This function should be called after +the DRM file descriptor has polled readable; it will read the events and +use the passed-in +.I evctx +structure to call function pointers with the parameters noted above. + +.SH RETURN VALUE +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. + +.SH REPORTING BUGS +Bugs in this function should be reported to http://bugs.freedesktop.org under +the "Mesa" product, with "Other" or "libdrm" as the component. + +.SH "SEE ALSO" +drmModePageFlip(__libmansuffix__), drmWaitVBlank(__libmansuffix__) |