diff options
Diffstat (limited to 'libxcb/src/xcbext.h')
| -rw-r--r-- | libxcb/src/xcbext.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/libxcb/src/xcbext.h b/libxcb/src/xcbext.h index 01dd59015..ea5a2d355 100644 --- a/libxcb/src/xcbext.h +++ b/libxcb/src/xcbext.h @@ -28,6 +28,8 @@ #ifndef __XCBEXT_H #define __XCBEXT_H +#include <unistd.h> + #include "xcb.h" #ifdef __cplusplus @@ -59,6 +61,23 @@ enum xcb_send_request_flags_t { unsigned int xcb_send_request(xcb_connection_t *c, int flags, struct iovec *vector, const xcb_protocol_request_t *request); +/* xcb_take_socket allows external code to ask XCB for permission to + * take over the write side of the socket and send raw data with + * xcb_writev. xcb_take_socket provides the sequence number of the last + * request XCB sent. The caller of xcb_take_socket must supply a + * callback which XCB can call when it wants the write side of the + * socket back to make a request. This callback synchronizes with the + * external socket owner, flushes any output queues if appropriate, and + * then returns the sequence number of the last request sent over the + * socket. */ +int xcb_take_socket(xcb_connection_t *c, void (*return_socket)(void *closure), void *closure, int flags, uint64_t *sent); + +/* You must own the write-side of the socket (you've called + * xcb_take_socket, and haven't returned from return_socket yet) to call + * xcb_writev. Also, the iovec must have at least 1 byte of data in it. + * */ +int xcb_writev(xcb_connection_t *c, struct iovec *vector, int count, uint64_t requests); + /* xcb_in.c */ |