Wait on a socket until it is ready for I/O or until max_time elapses.
Declared in <openssl/bio.h>
int
BIO_socket_wait(
int fd,
int for_read,
time_t max_time);1 on success, 0 on timeout, or -1 on error.
| Name | Description |
|---|---|
| fd | Socket file descriptor to poll. |
| for_read | Non-zero to wait for readability; zero to wait for writability. |
| max_time | Absolute deadline as a time_t; 0 means no timeout (succeed immediately). |