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| ARES_TIMEOUT(3) | FreeBSD Library Functions Manual | ARES_TIMEOUT(3) |
NAME
ares_fds - Get file descriptors to select on for name serviceSYNOPSIS
#include <ares.h>
struct timeval *ares_timeout(ares_channel channel, struct timeval *maxtv, struct timeval *tvbuf)
DESCRIPTION
The ares_timeout function determines the maximum time for which the caller should wait before invoking ares_process(3) to process timeouts. The parameter maxtv specifies a existing maximum timeout, or NULL if the caller does not wish to apply a maximum timeout. The parameter tvbuf must point to a writable buffer of type struct timeval. It is valid for maxtv and tvbuf to have the same value.If no queries have timeouts pending sooner than the given maximum timeout, ares_timeout returns the value of maxtv; otherwise ares_timeout stores the appropriate timeout value into the buffer pointed to by tvbuf and returns the value of tvbuf.
SEE ALSO
ares_fds(3), ares_process(3)AUTHOR
Greg Hudson, MIT Information SystemsCopyright 1998 by the Massachusetts Institute of Technology.
| 25 July 1998 |
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