Module select

The select function.

Safety

select is unsafe due to I/O safety.

Structs

FdSetElement

Storage element type for use with select.

FdSetIter

An iterator over the fds in a set.

Constants

BITS 🔒

Functions

div_ceil 🔒

fd_set_bound

Compute the minimum nfds value needed for the set pointed to by fds.

fd_set_insert

Set fd in the set pointed to by fds.

fd_set_num_elements

Compute the number of FdSetElements needed to hold a set which can contain up to set_count file descriptors with values less than nfds.

fd_set_num_elements_for_bitvector 🔒

fd_set_num_elements implementation on platforms with bitvector implementations.

fd_set_remove

Clear fd in the set pointed to by fds.

select^⚠

select(nfds, readfds, writefds, exceptfds, timeout)—Wait for events on sets of file descriptors.