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docs: Document non-blocking behaviour of wl_display_flush()

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Kristian Høgsberg 2013-04-02 21:31:02 -04:00
parent 88d873ecb9
commit 858fcbde59
1 changed files with 6 additions and 1 deletions
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7
src/wayland-client.c
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@ -1052,7 +1052,7 @@ wl_display_get_error(struct wl_display *display)
return ret;
}
/** Send all buffered request on the display to the server
/** Send all buffered requests on the display to the server
*
* \param display The display context object
* \return The number of bytes send on success or -1 on failure
@ -1062,6 +1062,11 @@ wl_display_get_error(struct wl_display *display)
* of bytes sent to the server is returned. On failure, this
* function returns -1 and errno is set appropriately.
*
* wl_display_flush() never blocks. It will write as much data as
* possible, but if all data could not be written, errno will be set
* to EAGAIN and -1 returned. In that case, use poll on the display
* file descriptor to wait for it to become writable again.
*
* \memberof wl_display
*/
WL_EXPORT int