GETDTABLESIZE (2)
get descriptor table size
SYNOPSIS
#include <unistd.h>
int getdtablesize(void);
DESCRIPTION
getdtablesize
returns the maximum number of files a process can have open.
NOTES
getdtablesize
is implemented as a library function in DLL 4.4.1. This function returns
OPEN_MAX
(set to 256 in Linux 2.0.23) if
OPEN_MAX
was defined when the library was compiled. Otherwise, -1 is returned, and
errno
is set to
ENOSYS .
CONFORMING TO
SVr4, 4.4BSD (the
getdtablesize
function first appeared in BSD 4.2).
SEE ALSO
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