GETDTABLESIZE(2FREEBSD) - Linux man page online | System calls
Get file descriptor limit.
Chapter
April 24, 2013
GETDTABLESIZE(2) BSD System Calls Manual GETDTABLESIZE(2)
NAME
getdtablesize — get file descriptor limitLIBRARY
Standard C Library (libc, -lc)SYNOPSIS
#include <unistd.h> int getdtablesize(void);DESCRIPTION
The getdtablesize() system call returns the maximum number of file descriptors that the cur‐ rent process may open. The maximum file descriptor number that the system may assign is the return value minus one. Existing file descriptor numbers may be higher if the limit was lowered after they were opened.SEE ALSO
close(2), closefrom(2), dup(2), getrlimit(2), sysconf(3)HISTORY
The getdtablesize() system call appeared in 4.2BSD.| This manual | Reference | Other manuals |
|---|---|---|
| getdtablesize(2freebsd) | referred by | dup(2freebsd) | dup2(2freebsd) | errno(2freebsd) | fcntl(2freebsd) | intro(2freebsd) | open(2freebsd) | openat(2freebsd) | select(2freebsd) | strace(1) | strace64(1) |
| refer to | close(2) | closefrom(2freebsd) | dup(2) | getrlimit(2) | sysconf(3) |