CLOSEFROM(3) Library Functions Manual CLOSEFROM(3)
NAME
closefromdelete 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, a value of 0 is returned. Otherwise, a value of -1 is returned and errno is set to indicate the error.
ERRORS
closefrom() will fail if:
[EBADF]
fd is invalid.
[EINTR]
An interrupt was received.
SEE ALSO