io_receivefd(3)io_receivefd(3)NAMEio_receivefd - receive a file descriptor over a Unix Domain socket
SYNTAX
#include <io.h>
int64 io_receivefd(int64 sock);
DESCRIPTIONio_receivefd receives a file descriptor from the Unix Domain socket
sock. You can send a descriptor using io_passfd(3).
io_receivefd returns -1 on error or the file descriptor.
The underlying Unix API can send more than one descriptor at the time.
This function expects only one descriptor and will return the first one
if more than one were sent.
SEE ALSOio_passfd(3)io_receivefd(3)