GETDTABLESIZE(3) | Library Functions Manual | GETDTABLESIZE(3) |
getdtablesize
—
get descriptor table size
#include
<unistd.h>
int
getdtablesize
(void);
Each process has a fixed size descriptor table, which is
guaranteed to have at least 20 slots. The entries in the descriptor table
are numbered with small integers starting at 0. The call
getdtablesize
()
returns the size of this table.
close(2), dup(2), getdtablecount(2), getrlimit(2), open(2), select(2), setrlimit(2), sysconf(3), sysctl(3)
The getdtablesize
() function call appeared
in 4.2BSD.
December 12, 2014 | OpenBSD-5.9 |