Manual Page Result
0
Command: closefrom | Section: 2 | Source: OpenBSD | File: closefrom.2
CLOSEFROM(2) FreeBSD System Calls Manual CLOSEFROM(2)
NAME
closefrom - delete many descriptors
SYNOPSIS
#include <unistd.h>
int
closefrom(int fd);
DESCRIPTION
The closefrom() call deletes all descriptors numbered fd and higher from
the per-process file descriptor table. It is effectively the same as
calling close(2) on each descriptor.
RETURN VALUES
Upon successful completion, the value 0 is returned; otherwise the
value -1 is returned and the global variable errno is set to indicate the
error.
ERRORS
closefrom() will fail if:
[EBADF] fd is greater than all open file descriptors.
[EINTR] An interrupt was received.
SEE ALSO
close(2)
STANDARDS
closefrom() is a BSD and Solaris extension.
HISTORY
The closefrom() function first appeared in Solaris 9 and has been
available since OpenBSD 3.5.
FreeBSD 14.1-RELEASE-p8 May 31, 2019 FreeBSD 14.1-RELEASE-p8